1 Carat Marquise Lab-Grown Diamonds

Shop certified 1 carat marquise lab-grown diamonds at William & Sons Jewelers. Every stone is graded by IGI or GIA, shown in 360°, priced below the big online retailers and ships free.

All 1 Carat Marquise Lab-Grown Diamonds

11,283 certified 1 carat marquise lab-grown diamonds in stock. Every stone ships free with its grading report; open any listing for the 360° view, full certificate and price.

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  1. 1.22 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG841606956$231
  2. 1.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG843608711$238
  3. 1.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844657495$199
  4. 1.16 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844657532$202
  5. 1.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845657595$183
  6. 1.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846628291$183
  7. 1.22 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846656633$197
  8. 1.25 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG847629851$220
  9. 1.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847634596$193
  10. 1.21 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847634597$245
  11. 1.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG842612747$210
  12. 1.44 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG844684020$225
  1. 1.32 Carat Marquise Lab-Grown Diamond, F IF, IGI LG638468004$343
  2. 1.01 Carat Marquise Lab-Grown Diamond, E IF, IGI LG605360409$287
  3. 1.05 Carat Marquise Lab-Grown Diamond, D IF, IGI LG625439413$318
  4. 1.04 Carat Marquise Lab-Grown Diamond, E IF, IGI LG630428922$294
  5. 1.06 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG670402547$395
  6. 1.18 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG605327157$241
  7. 1.05 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG677577214$391
  8. 1.08 Carat Marquise Lab-Grown Diamond, D IF, IGI LG690524294$260
  9. 1.17 Carat Marquise Lab-Grown Diamond, D IF, IGI LG705517327$259
  10. 1.08 Carat Marquise Lab-Grown Diamond, D IF, IGI LG722507903$242
  11. 1.04 Carat Marquise Lab-Grown Diamond, D IF, IGI LG726571582$234
  12. 1.02 Carat Marquise Lab-Grown Diamond, E IF, IGI LG729594443$303
  13. 1.05 Carat Marquise Lab-Grown Diamond, D IF, GIA 1513466426$671
  14. 1.01 Carat Marquise Lab-Grown Diamond, D VS2, GIA 1523102386$291
  15. 1.22 Carat Marquise Lab-Grown Diamond, D VS2, GIA 3505556019$629
  16. 1.04 Carat Marquise Lab-Grown Diamond, E VVS1, GIA 5231564040$312
  17. 1.02 Carat Marquise Lab-Grown Diamond, D IF, GIA 5231565671$652
  18. 1.17 Carat Marquise Lab-Grown Diamond, E VVS1, GIA 5493437298$946
  19. 1.03 Carat Marquise Lab-Grown Diamond, D IF, IGI 605311162$263
  20. 1.01 Carat Marquise Lab-Grown Diamond, E IF, IGI 605377357$237
  21. 1.06 Carat Marquise Lab-Grown Diamond, E IF, GIA 6502862379$780
  22. 1.10 Carat Marquise Lab-Grown Diamond, E IF, GIA 6511580945$808
  23. 1.05 Carat Marquise Lab-Grown Diamond, F IF, GIA 6522139538$867
  24. 1.22 Carat Marquise Lab-Grown Diamond, E IF, GIA 6525139609$918
  25. 1.10 Carat Marquise Lab-Grown Diamond, D VS2, GIA 7502530880$428
  26. 1.08 Carat Marquise Lab-Grown Diamond, E VVS1, GIA 7506384968$323
  27. 1.02 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG425067440$823
  28. 1.00 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG425067467$1,350
  29. 1.07 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG425067469$1,442
  30. 1.01 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG425067769$1,362
  31. 1.03 Carat Marquise Lab-Grown Diamond, I VS2, IGI LG425067821$1,319
  32. 1.07 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG425067829$1,442
  33. 1.00 Carat Marquise Lab-Grown Diamond, H VVS2, IGI LG436045809$860
  34. 1.32 Carat Marquise Lab-Grown Diamond, I VS2, IGI LG436045813$857
  35. 1.02 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436045814$755
  36. 1.02 Carat Marquise Lab-Grown Diamond, I VS2, IGI LG436046304$1,306
  37. 1.00 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG436046305$1,350
  38. 1.08 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436046744$687
  39. 1.00 Carat Marquise Lab-Grown Diamond, H VS2, IGI LG436047237$741
  40. 1.01 Carat Marquise Lab-Grown Diamond, I VVS2, IGI LG436047293$1,464
  41. 1.00 Carat Marquise Lab-Grown Diamond, I SI1, IGI LG436047370$1,113
  42. 1.01 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG436072048$816
  43. 1.02 Carat Marquise Lab-Grown Diamond, I VS2, IGI LG436072050$1,306
  44. 1.06 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436072662$676
  45. 1.43 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436072886$902
  46. 1.00 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436072901$640
  47. 1.00 Carat Marquise Lab-Grown Diamond, I VS1, IGI LG436072902$1,350
  48. 1.07 Carat Marquise Lab-Grown Diamond, H SI1, IGI LG436074722$682
  49. 1.03 Carat Marquise Lab-Grown Diamond, G VS2, IGI LG464110493$171
  50. 1.12 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG487109250$234
  51. 1.09 Carat Marquise Lab-Grown Diamond, H VVS1, IGI LG496127972$251
  52. 1.00 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG499125803$808
  53. 1.04 Carat Marquise Lab-Grown Diamond, G VS2, IGI LG499126920$875
  54. 1.14 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG500143697$917
  55. 1.03 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG500143700$1,040
  56. 1.00 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG500143707$808
  57. 1.00 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG500144857$944
  58. 1.19 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG500145699$240
  59. 1.01 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG500146058$816
  60. 1.00 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG500146065$808