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 171

11,799 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. 3.96 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844680790$680
  2. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843670522$660
  3. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844640330$556
  4. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844626442$553
  5. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844626485$553
  6. 3.04 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG844649854$530
  7. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844660684$666
  8. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844625286$668
  9. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844630253$666
  10. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844632471$666
  11. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844649289$666
  12. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844630384$659
  13. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844649292$558
  14. 3.3 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844649275$610
  15. 3.28 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844618252$548
  16. 3.1 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844648483$524
  17. 3.9 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG843669458$626
  18. 3.1 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844630247$620
  19. 3.1 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844637601$524
  20. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844648603$531
  21. 3.01 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG844640288$520
  22. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG843610367$1,035
  23. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844630242$664
  24. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844621248$662
  25. 3.08 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844621211$541
  26. 3.08 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844649845$546
  27. 3.08 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG844641652$541
  28. 3.02 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG844645153$517
  29. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844626303$564
  30. 3.21 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844622163$537
  31. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844613196$531
  32. 3.03 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG844608540$415
  33. 3.02 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG844626035$379
  34. 3.1 Carat Marquise Lab-Grown Diamond, G VS2, IGI LG844630351$404
  35. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844645162$656
  36. 3.16 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844637815$539
  37. 3.1 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844622190$620
  38. 3.4 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844658270$561
  39. 3.24 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844602267$541
  40. 3.24 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844647753$541
  41. 3.03 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844626470$871
  42. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844637596$513
  43. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844626033$536
  44. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844621228$556
  45. 3.22 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844645541$596
  46. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844645494$660
  47. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843669456$676
  48. 3.12 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844637801$543
  49. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844653295$554
  50. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844625275$549
  51. 3.06 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844602273$538
  52. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844641698$533
  53. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844637798$533
  54. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844649846$503
  55. 3.08 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG844645066$526
  56. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844630235$668
  57. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844625451$668
  58. 3.18 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844630322$594
  59. 3.05 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844618193$536
  60. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844622121$676