1 Single Crystal Diamond Market Overview 1.1 Single Crystal Diamond Product Scope 1.2 Single Crystal Diamond Segment by Method 1.2.1 Global Single Crystal Diamond Sales by Method (2020-2026) 1.2.2 HPHT (High Pressure, High Temperature) 1.2.3 CVD (Chemical Vapour Deposition) 1.3 Single Crystal Diamond Segment by Application 1.3.1 Global Single Crystal Diamond Sales Comparison by Application (2020-2026) 1.3.2 Mechanical Device 1.3.3 Optical Material 1.3.4 Electron Device 1.3.5 Jewelry 1.3.6 Other 1.4 Single Crystal Diamond Market Estimates and Forecasts (2015-2026) 1.4.1 Global Single Crystal Diamond Sales Growth Rate (2015-2026) 1.4.2 Global Single Crystal Diamond Revenue and Growth Rate (2015-2026) 1.4.3 Global Single Crystal Diamond Price Trends (2015-2026) 2 Single Crystal Diamond Estimate and Forecast by Region 2.1 Global Single Crystal Diamond Market Size by Region: 2015 VS 2020 VS 2026 2.2 Global Single Crystal Diamond Retrospective Market Scenario by Region (2015-2020) 2.2.1 Global Single Crystal Diamond Sales Market Share by Region (2015-2020) 2.2.2 Global Single Crystal Diamond Revenue Market Share by Region (2015-2020) 2.3 Global Single Crystal Diamond Market Estimates and Forecasts by Region (2021-2026) 2.3.1 Global Single Crystal Diamond Sales Estimates and Forecasts by Region (2021-2026) 2.3.2 Global Single Crystal Diamond Revenue Forecast by Region (2021-2026) 2.4 Geographic Market Analysis: Market Facts & Figures 2.4.1 United States Single Crystal Diamond Estimates and Projections (2015-2026) 2.4.2 Europe Single Crystal Diamond Estimates and Projections (2015-2026) 2.4.3 China Single Crystal Diamond Estimates and Projections (2015-2026) 2.4.4 Japan Single Crystal Diamond Estimates and Projections (2015-2026) 2.4.5 Southeast Asia Single Crystal Diamond Estimates and Projections (2015-2026) 2.4.6 India Single Crystal Diamond Estimates and Projections (2015-2026) 3 Global Single Crystal Diamond Competition Landscape by Players 3.1 Global Top Single Crystal Diamond Players by Sales (2015-2020) 3.2 Global Top Single Crystal Diamond Players by Revenue (2015-2020) 3.3 Global Single Crystal Diamond Market Share by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Single Crystal Diamond as of 2019) 3.4 Global Single Crystal Diamond Average Price by Company (2015-2020) 3.5 Manufacturers Single Crystal Diamond Manufacturing Sites, Area Served, Product Type 3.6 Manufacturers Mergers & Acquisitions, Expansion Plans 3.7 Primary Interviews with Key Single Crystal Diamond Players (Opinion Leaders) 4 Global Single Crystal Diamond Market Size by Method 4.1 Global Single Crystal Diamond Historic Market Review by Method (2015-2020) 4.1.1 Global Single Crystal Diamond Sales Market Share by Method (2015-2020) 4.1.2 Global Single Crystal Diamond Revenue Market Share by Method (2015-2020) 4.1.3 Global Single Crystal Diamond Price by Method (2015-2020) 4.2 Global Single Crystal Diamond Market Estimates and Forecasts by Method (2021-2026) 4.2.1 Global Single Crystal Diamond Sales Forecast by Method (2021-2026) 4.2.2 Global Single Crystal Diamond Revenue Forecast by Method (2021-2026) 4.2.3 Global Single Crystal Diamond Price Forecast by Method (2021-2026) 5 Global Single Crystal Diamond Market Size by Application 5.1 Global Single Crystal Diamond Historic Market Review by Application (2015-2020) 5.1.1 Global Single Crystal Diamond Sales Market Share by Application (2015-2020) 5.1.2 Global Single Crystal Diamond Revenue Market Share by Application (2015-2020) 5.1.3 Global Single Crystal Diamond Price by Application (2015-2020) 5.2 Global Single Crystal Diamond Market Estimates and Forecasts by Application (2021-2026) 5.2.1 Global Single Crystal Diamond Sales Forecast by Application (2021-2026) 5.2.2 Global Single Crystal Diamond Revenue Forecast by Application (2021-2026) 5.2.3 Global Single Crystal Diamond Price Forecast by Application (2021-2026) 6 United States Single Crystal Diamond Market Facts & Figures 6.1 United States Single Crystal Diamond Sales Market Share by Company (2015-2020) 6.2 United States Single Crystal Diamond Sales Market Share by Method (2015-2020) 6.3 United States Single Crystal Diamond Sales Market Share by Application (2015-2020) 7 Europe Single Crystal Diamond Market Facts & Figures 7.1 Europe Single Crystal Diamond Sales Market Share by Company (2015-2020) 7.2 Europe Single Crystal Diamond Sales Market Share by Method (2015-2020) 7.3 Europe Single Crystal Diamond Sales Market Share by Application (2015-2020) 8 China Single Crystal Diamond Market Facts & Figures 8.1 China Single Crystal Diamond Sales Market Share by Company (2015-2020) 8.2 China Single Crystal Diamond Sales Market Share by Method (2015-2020) 8.3 China Single Crystal Diamond Sales Market Share by Application (2015-2020) 9 Japan Single Crystal Diamond Market Facts & Figures 9.1 Japan Single Crystal Diamond Sales Market Share by Company (3015-3030) 9.2 Japan Single Crystal Diamond Sales Market Share by Method (2015-2020) 9.3 Japan Single Crystal Diamond Sales Market Share by Application (2015-2020) 10 Southeast Asia Single Crystal Diamond Market Facts & Figures 10.1 Southeast Asia Single Crystal Diamond Sales Market Share by Company (2015-2020) 10.2 Southeast Asia Single Crystal Diamond Sales Market Share by Method (2015-2020) 10.3 Southeast Asia Single Crystal Diamond Sales Market Share by Application (2015-2020) 11 India Single Crystal Diamond Market Facts & Figures 11.1 India Single Crystal Diamond Sales Market Share by Company (2015-2020) 11.2 India Single Crystal Diamond Sales Market Share by Method (2015-2020) 11.3 India Single Crystal Diamond Sales Market Share by Application (2015-2020) 12 Company Profiles and Key Figures in Single Crystal Diamond Business 12.1 Zhongnan Diamond 12.1.1 Zhongnan Diamond Corporation Information 12.1.2 Zhongnan Diamond Business Overview 12.1.3 Zhongnan Diamond Single Crystal Diamond Sales, Revenue and Gross Margin (2015-2020) 12.1.4 Zhongnan Diamond Single Crystal Diamond Products Offered 12.1.5 Zhongnan Diamond Recent Development 12.2 Huanghe Whirlwind 12.2.1 Huanghe Whirlwind Corporation Information 12.2.2 Huanghe Whirlwind Business Overview 12.2.3 Huanghe Whirlwind Single Crystal Diamond Sales, Revenue and Gross Margin (2015-2020) 12.2.4 Huanghe Whirlwind Single Crystal Diamond Products Offered 12.2.5 Huanghe Whirlwind Recent Development 12.3 Element Six 12.3.1 Element Six Corporation Information 12.3.2 Element Six Business Overview 12.3.3 Element Six Single Crystal Diamond Sales, Revenue and Gross Margin (2015-2020) 12.3.4 Element Six Single Crystal Diamond Products Offered 12.3.5 Element Six Recent Development 12.4 Zhengzhou Sino-Crystal 12.4.1 Zhengzhou Sino-Crystal Corporation Information 12.4.2 Zhengzhou Sino-Crystal Business Overview 12.4.3 Zhengzhou Sino-Crystal Single Crystal Diamond Sales, Revenue and Gross Margin (2015-2020) 12.4.4 Zhengzhou Sino-Crystal Single Crystal Diamond Products Offered 12.4.5 Zhengzhou Sino-Crystal Recent Development 12.5 Sumitomo Electric 12.5.1 Sumitomo Electric Corporation Information 12.5.2 Sumitomo Electric Business Overview 12.5.3 Sumitomo Electric Single Crystal Diamond Sales, Revenue and Gross Margin (2015-2020) 12.5.4 Sumitomo Electric Single Crystal Diamond Products Offered 12.5.5 Sumitomo Electric Recent Development 12.6 ILJIN Diamond 12.6.1 ILJIN Diamond Corporation Information 12.6.2 ILJIN Diamond Business Overview 12.6.3 ILJIN Diamond Single Crystal Diamond Sales, Revenue and Gross Margin (2015-2020) 12.6.4 ILJIN Diamond Single Crystal Diamond Products Offered 12.6.5 ILJIN Diamond Recent Development 12.7 CR GEMS Diamond 12.7.1 CR GEMS Diamond Corporation Information 12.7.2 CR GEMS Diamond Business Overview 12.7.3 CR GEMS Diamond Single Crystal Diamond Sales, Revenue and Gross Margin (2015-2020) 12.7.4 CR GEMS Diamond Single Crystal Diamond Products Offered 12.7.5 CR GEMS Diamond Recent Development ... 13 Single Crystal Diamond Manufacturing Cost Analysis 13.1 Single Crystal Diamond Key Raw Materials Analysis 13.1.1 Key Raw Materials 13.1.2 Key Raw Materials Price Trend 13.1.3 Key Suppliers of Raw Materials 13.2 Proportion of Manufacturing Cost Structure 13.3 Manufacturing Process Analysis of Single Crystal Diamond 13.4 Single Crystal Diamond Industrial Chain Analysis 14 Marketing Channel, Distributors and Customers 14.1 Marketing Channel 14.2 Single Crystal Diamond Distributors List 14.3 Single Crystal Diamond Customers 15 Market Dynamics 15.1 Single Crystal Diamond Market Trends 15.2 Single Crystal Diamond Opportunities and Drivers 15.3 Single Crystal Diamond Market Challenges 15.4 Single Crystal Diamond Market Restraints 15.5 Porter's Five Forces Analysis 16 Research Findings and Conclusion 17 Appendix 17.1 Research Methodology 17.1.1 Methodology/Research Approach 17.1.2 Data Source 17.2 Author List 17.3 Disclaimer

List of Tables Table 1. Global Single Crystal Diamond Sales (M Ct) Growth Rate by Method (2020-2026) (US$ Million) Table 2. Global Single Crystal Diamond Sales (M Ct) Comparison by Application (2020-2026) (US$ Million) Table 3. Global Market Single Crystal Diamond Market Size (US$ Million) by Region:2015 VS 2020 &2026 Table 4. Global Single Crystal Diamond Sales (M Ct) by Region (2015-2020) Table 5. Global Single Crystal Diamond Sales Market Share by Region (2015-2020) Table 6. Global Single Crystal Diamond Revenue (US$ Million) Market Share by Region (2015-2020)) Table 7. Global Single Crystal Diamond Revenue Share by Region (2015-2020) Table 8. Global Single Crystal Diamond Sales (M Ct) Forecast by Region (2021-2026) Table 9. Global Single Crystal Diamond Sales Market Share Forecast by Region (2021-2026) Table 10. Global Single Crystal Diamond Revenue (US$ Million) Forecast by Region (2021-2026) Table 11. Global Single Crystal Diamond Revenue Share Forecast by Region (2021-2026) Table 12. Global Single Crystal Diamond (M Ct) of Key Companies (2015-2020) Table 13. Global Single Crystal Diamond Sales Share by Company (2015-2020) Table 14. Global Single Crystal Diamond Revenue (US$ Million) by Company (2015-2020) Table 15. Global Single Crystal Diamond Revenue Share by Company (2015-2020) Table 16. Global Single Crystal Diamond by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Single Crystal Diamond as of 2019) Table 17. Global Single Crystal Diamond Average Price (USD/K Ct) of Key Company (2015-2020) Table 18. Manufacturers Single Crystal Diamond Manufacturing Sites and Area Served Table 19. Manufacturers Single Crystal Diamond Product Type Table 20. Manufacturers Mergers & Acquisitions, Expansion Plans Table 21. Main Points Interviewed from Key Single Crystal Diamond Players Table 22. Global Single Crystal Diamond Sales (M Ct) by Method (2015-2020) Table 23. Global Single Crystal Diamond Sales Share by Method (2015-2020) Table 24. Global Single Crystal Diamond Revenue (US$ Million) Market Share by Method (2015-2020) Table 25. Global Single Crystal Diamond Price (M Ct) by Method (2015-2020) Table 26. Global Single Crystal Diamond Sales Share by Method (2021-2026) Table 27. Global Single Crystal Diamond Revenue (US$ Million) Market Share by Method (2021-2026) Table 28. Global Single Crystal Diamond Revenue Share by Method (2021-2026) Table 29. Global Single Crystal Diamond Price (M Ct) by Method (2021-2026) Table 30. Global Single Crystal Diamond Sales (M Ct) by Application (2015-2020) Table 31. Global Single Crystal Diamond Sales Share by Application (2015-2020) Table 32. Global Single Crystal Diamond Revenue (US$ Million) Market Share by Application (2015-2020) Table 33. Global Single Crystal Diamond Price (M Ct) by Application (2015-2020) Table 34. Global Single Crystal Diamond Sales (M Ct) by Application (2021-2026) Table 35. Global Single Crystal Diamond Sales Share by Application (2021-2026) Table 36. Global Single Crystal Diamond Revenue (US$ Million) Market Share by Application (2021-2026) Table 37. Global Single Crystal Diamond Revenue Share by Application (2021-2026) Table 38. Global Single Crystal Diamond Price (M Ct) by Application (2021-2026) Table 39. United States Single Crystal Diamond Sales (M Ct) by Company (2015-2020) Table 40. United States Single Crystal Diamond Sales Market Share by Company (2015-2020) Table 41. United States Single Crystal Diamond Sales (M Ct) by Method (2015-2020) Table 42. United States Single Crystal Diamond Sales Market Share by Method (2015-2020) Table 43. United States Single Crystal Diamond Sales (M Ct) by Application (2015-2020) Table 44. United States Single Crystal Diamond Sales Market Share by Application (2015-2020) Table 45. Europe Single Crystal Diamond Sales (M Ct) by Company (2015-2020) Table 46. Europe Single Crystal Diamond Sales Market Share by Company (2015-2020) Table 47. Europe Single Crystal Diamond Sales (M Ct) by Method (2015-2020) Table 48. Europe Single Crystal Diamond Sales Market Share by Method (2015-2020) Table 49. Europe Single Crystal Diamond Sales (M Ct) by Application (2015-2020) Table 50. Europe Single Crystal Diamond Sales Market Share by Method (2015-2020) Table 51. China Single Crystal Diamond Sales (M Ct) by Company (2015-2020) Table 52. China Single Crystal Diamond Sales Market Share by Company (2015-2020) Table 53. China Single Crystal Diamond Sales (M Ct) by Method (2015-2020) Table 54. China Single Crystal Diamond Sales Market Share by Method (2015-2020) Table 55. China Single Crystal Diamond Sales (M Ct) by Application (2015-2020) Table 56. China Single Crystal Diamond Sales Market Share by Application (2015-2020) Table 57. Japan Single Crystal Diamond Sales (M Ct) by Company (2015-2020) Table 58. Japan Single Crystal Diamond Sales Market Share by Company (2015-2020) Table 59. Japan Single Crystal Diamond Sales (M Ct) by Method (2015-2020) Table 60. Japan Single Crystal Diamond Sales Market Share by Method (2015-2020) Table 61. Japan Single Crystal Diamond Sales (M Ct) by Application (2015-2020) Table 62. Japan Single Crystal Diamond Sales Market Share by Application (2015-2020) Table 63. Southeast Asia Single Crystal Diamond Sales (M Ct) by Company (2015-2020) Table 64. Southeast Asia Single Crystal Diamond Sales Market Share by Company (2015-2020) Table 65. Southeast Asia Single Crystal Diamond Sales (M Ct) by Method (2015-2020) Table 66. Southeast Asia Single Crystal Diamond Sales Market Share by Method (2015-2020) Table 67. Southeast Asia Single Crystal Diamond Sales (M Ct) by Method (2015-2020) Table 68. Southeast Asia Single Crystal Diamond Sales Market Share by Application (2015-2020) Table 69. India Single Crystal Diamond Sales (M Ct) by Company (2015-2020) Table 70. India Single Crystal Diamond Sales Market Share by Company (2015-2020) Table 71. India Single Crystal Diamond Sales (M Ct) by Method (2015-2020) Table 72. India Single Crystal Diamond Sales Market Share by Method (2015-2020) Table 73. India Single Crystal Diamond Sales (M Ct) by Application (2015-2020) Table 74. India Single Crystal Diamond Sales Market Share by Application (2015-2020) Table 75. Zhongnan Diamond Corporation Information Table 76. Zhongnan Diamond Description and Business Overview Table 77. Zhongnan Diamond Single Crystal Diamond Sales (M Ct), Revenue (Million USD), Price (USD/K Ct) and Gross Margin (2015-2020) Table 78. Zhongnan Diamond Single Crystal Diamond Product Table 79. Zhongnan Diamond Recent Development Table 80. Huanghe Whirlwind Corporation Information Table 81. Huanghe Whirlwind Description and Business Overview Table 82. Huanghe Whirlwind Single Crystal Diamond Sales (M Ct), Revenue (Million USD), Price (USD/K Ct) and Gross Margin (2015-2020) Table 83. Huanghe Whirlwind Single Crystal Diamond Product Table 84. Huanghe Whirlwind Recent Development Table 85. Element Six Corporation Information Table 86. Element Six Description and Business Overview Table 87. Element Six Single Crystal Diamond Sales (M Ct), Revenue (Million USD), Price (USD/K Ct) and Gross Margin (2015-2020) Table 88. Element Six Single Crystal Diamond Product Table 89. Element Six Recent Development Table 90. Zhengzhou Sino-Crystal Corporation Information Table 91. Zhengzhou Sino-Crystal Description and Business Overview Table 92. Zhengzhou Sino-Crystal Single Crystal Diamond Sales (M Ct), Revenue (Million USD), Price (USD/K Ct) and Gross Margin (2015-2020) Table 93. Zhengzhou Sino-Crystal Single Crystal Diamond Product Table 94. Zhengzhou Sino-Crystal Recent Development Table 95. Sumitomo Electric Corporation Information Table 96. Sumitomo Electric Description and Business Overview Table 97. Sumitomo Electric Single Crystal Diamond Sales (M Ct), Revenue (Million USD), Price (USD/K Ct) and Gross Margin (2015-2020) Table 98. Sumitomo Electric Single Crystal Diamond Product Table 99. Sumitomo Electric Recent Development Table 100. ILJIN Diamond Corporation Information Table 101. ILJIN Diamond Description and Business Overview Table 102. ILJIN Diamond Single Crystal Diamond Sales (M Ct), Revenue (Million USD), Price (USD/K Ct) and Gross Margin (2015-2020) Table 103. ILJIN Diamond Single Crystal Diamond Product Table 104. ILJIN Diamond Recent Development Table 105. CR GEMS Diamond Corporation Information Table 106. CR GEMS Diamond Description and Business Overview Table 107. CR GEMS Diamond Single Crystal Diamond Sales (M Ct), Revenue (Million USD), Price (USD/K Ct) and Gross Margin (2015-2020) Table 108. CR GEMS Diamond Single Crystal Diamond Product Table 109. CR GEMS Diamond Recent Development Table 110. Production Base and Market Concentration Rate of Raw Material Table 111. Key Suppliers of Raw Materials Table 112. Single Crystal Diamond Distributors List Table 113. Single Crystal Diamond Customers List Table 114. Single Crystal Diamond Market Key Trends Table 115. Single Crystal Diamond Key Opportunities and Drivers Table 116. Single Crystal Diamond Market Challenges Table 117. Research Programs/Design for This Report Table 118. Key Data Information from Secondary Sources Table 119. Key Data Information from Primary Sources List of Figures Figure 1. Single Crystal Diamond Product Picture Figure 2. Global Single Crystal Diamond Sales Market Share by Method in 2020 & 2026 Figure 3. Type I Product Picture Figure 4. Type II Product Picture Figure 5. Global Single Crystal Diamond Market Share by Application in 2020 & 2026 Figure 6. Mechanical Device Examples Figure 7. Optical Material Examples Figure 8. Electron Device Examples Figure 9. Jewelry Examples Figure 10. Other Examples Figure 11. Global Single Crystal Diamond Sales (M Ct) Growth Rate (2015-2026) Figure 12. Global Single Crystal Diamond Revenue (US$ Million) Growth Rate (2015-2026) Figure 13. Global Single Crystal Diamond Price Trends Growth Rate (2015-2026) (USD/K Ct) Figure 14. Global Single Crystal Diamond Revenue Market Share by Region: 2015 VS 2020 Figure 15. Global Single Crystal Diamond Revenue Market Share by Region: 2021 VS 2026 Figure 16. United States Single Crystal Diamond Revenue (Million USD) Growth Rate (2015-2026) Figure 17. United States Single Crystal Diamond Sales (M Ct) Growth Rate (2015-2026) Figure 18. Europe Single Crystal Diamond Revenue (Million USD) Growth Rate (2015-2026) Figure 19. Europe Single Crystal Diamond Sales (Million USD) Growth Rate (2015-2026) Figure 20. China Single Crystal Diamond Revenue (Million USD) Growth Rate (2015-2026) Figure 21. China Single Crystal Diamond Sales (Million USD) and Growth Rate (2015-2026) Figure 22. Japan Single Crystal Diamond Revenue (Million USD) Growth Rate (2015-2026) Figure 23. Japan Single Crystal Diamond Sales (Million USD) Growth Rate (2015-2026) Figure 24. Southeast Asia Single Crystal Diamond Revenue (Million USD) Growth Rate (2015-2026) Figure 25. Southeast Asia Single Crystal Diamond Sales (Million USD) Growth Rate (2015-2026) Figure 26. India Single Crystal Diamond Revenue (Million USD) Growth Rate (2015-2026) Figure 27. India Single Crystal Diamond Sales (Million USD) Growth Rate (2015-2026) Figure 28. Global 5 Largest Single Crystal Diamond Players Market Share by Revenue in Single Crystal Diamond 2015 & 2019 Figure 29. Single Crystal Diamond Market Share by Company Type (Tier 1, Tier 2 and Tier 3): 2015 VS 2019 Figure 30. Global Single Crystal Diamond Revenue Share by Method (2015-2020) Figure 31. Global Single Crystal Diamond Revenue Growth Rate by Method in 2015 & 2019 Figure 32. Global Single Crystal Diamond Revenue Share by Application (2015-2020) Figure 33. Global Single Crystal Diamond Revenue Growth Rate by Application in 2015 & 2019 Figure 34. United States Single Crystal Diamond Sales Market Share by Method in 2019 Figure 35. United States Single Crystal Diamond Sales Market Share by Method in 2019 Figure 36. Europe Single Crystal Diamond Sales Market Share by Company in 2019 Figure 37. Europe Single Crystal Diamond Sales Market Share by Method in 2019 Figure 38. Europe Single Crystal Diamond Sales Market Share by Application in 2019 Figure 39. China Single Crystal Diamond Sales Market Share by Company in 2019 Figure 40. China Single Crystal Diamond Sales Market Share by Method in 2019 Figure 41. China Single Crystal Diamond Sales Market Share by Application in 2019 Figure 42. Japan Single Crystal Diamond Sales Market Share by Company in 2019 Figure 43. Japan Single Crystal Diamond Sales Market Share by Method in 2019 Figure 44. Japan Single Crystal Diamond Sales Market Share by Application in 2019 Figure 45. Southeast Asia Single Crystal Diamond Sales Market Share by Company in 2019 Figure 46. Southeast Asia Single Crystal Diamond Sales Market Share by Method in 2019 Figure 47. Southeast Asia Single Crystal Diamond Sales Market Share by Application in 2019 Figure 48. India Single Crystal Diamond Sales Market Share by Company in 2019 Figure 49. India Single Crystal Diamond Sales Market Share by Method in 2019 Figure 50. India Single Crystal Diamond Sales Market Share by Application in 2019 Figure 51. Key Raw Materials Price Trend Figure 52. Manufacturing Cost Structure of Single Crystal Diamond Figure 53. Manufacturing Process Analysis of Single Crystal Diamond Figure 54. Single Crystal Diamond Industrial Chain Analysis Figure 55. Channels of Distribution Figure 56. Distributors Profiles Figure 57. Porter's Five Forces Analysis Figure 58. Bottom-up and Top-down Approaches for This Report Figure 59. Data Triangulation Figure 60. Key Executives Interviewed

Zhongnan Diamond Huanghe Whirlwind Element Six Zhengzhou Sino-Crystal Sumitomo Electric ILJIN Diamond CR GEMS Diamond