3 Carat Marquise Lab-Grown Diamonds

Shop certified 3 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 3 Carat Marquise Lab-Grown Diamonds – Page 288

18,174 certified 3 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.

  1. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611244$489
  2. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611274$567
  3. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846611276$542
  4. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611277$567
  5. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611282$567
  6. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611289$566
  7. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611290$489
  8. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611291$566
  9. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611295$490
  10. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611296$490
  11. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611297$490
  12. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611298$567
  13. 3.08 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846611306$489
  14. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611307$570
  15. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611308$487
  16. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG846611309$731
  17. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611316$490
  18. 3.52 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850674197$715
  19. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850697483$693
  20. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG851699545$641
  21. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG853612090$624
  22. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853656437$567
  23. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG851683650$769
  24. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG844630961$692
  25. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846698779$694
  26. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847616016$518
  27. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847662732$687
  28. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847662779$683
  29. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847662799$678
  30. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848621864$694
  31. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848621868$683
  32. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848621893$679
  33. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848629771$682
  34. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848629907$692
  35. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848629918$683
  36. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849672815$693
  37. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG851610413$501
  38. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG851624560$1,687
  39. 3.03 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG852612903$470
  40. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG852652433$741
  41. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG852652436$748
  42. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG852652518$762
  43. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG852652523$762
  44. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852652525$554
  45. 3.06 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG852652560$755
  46. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852652577$552
  47. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG852652584$741
  48. 3.08 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG853629194$1,333
  49. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853629198$748
  50. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853629206$762
  51. 3.57 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853629210$1,117
  52. 3.05 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853629211$753
  53. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853629213$741
  54. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853629216$743
  55. 3.04 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853629223$750
  56. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853629232$743
  57. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853629235$745
  58. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853663447$762
  59. 3.1 Carat Marquise Lab-Grown Diamond, FANCY VIVID BLUE VS2, IGI LG848619428$791
  60. 3.08 Carat Marquise Lab-Grown Diamond, FANCY VIVID BLUE VVS2, IGI LG848619426$851