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 231

14,745 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. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847691993$614
  2. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847692027$607
  3. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847687528$610
  4. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847692019$608
  5. 3.1 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847687561$534
  6. 3.08 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847692013$546
  7. 3.07 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847692029$540
  8. 3.06 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847692035$548
  9. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847687568$533
  10. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG845651033$533
  11. 3.03 Carat Marquise Lab-Grown Diamond, D VS2, IGI LG848601003$617
  12. 3.01 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG848601006$505
  13. 3.03 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG845649854$425
  14. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845697572$612
  15. 3.28 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846602726$644
  16. 3.09 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG846633021$408
  17. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847692031$876
  18. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847691992$986
  19. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848601012$563
  20. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG847687472$558
  21. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848601015$558
  22. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846637388$558
  23. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847687534$621
  24. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848601004$612
  25. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848601016$612
  26. 3.04 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847687531$540
  27. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG848601000$536
  28. 3.01 Carat Marquise Lab-Grown Diamond, D VS2, IGI LG847692018$608
  29. 3.02 Carat Marquise Lab-Grown Diamond, E SI1, IGI LG848601021$409
  30. 3.06 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG846654029$424
  31. 3.29 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846633024$549
  32. 3.05 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846654038$536
  33. 3.15 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845651032$619
  34. 3.09 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG845672963$523
  35. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG845651046$538
  36. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG845649060$536
  37. 3.87 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG846633129$597
  38. 3.12 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845697573$669
  39. 3.27 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846637378$546
  40. 3.15 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846643752$589
  41. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844678903$605
  42. 3.14 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG845649852$521
  43. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845660803$659
  44. 3.38 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846637373$574
  45. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846632965$553
  46. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG845672975$554
  47. 3.57 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845651031$645
  48. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845602674$613
  49. 3.29 Carat Marquise Lab-Grown Diamond, E SI1, IGI LG846658268$427
  50. 3.99 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846637383$627
  51. 3.09 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG846637375$528
  52. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG841649232$225,158
  53. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG823683560$812
  54. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG826606847$1,420
  55. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG826658921$815
  56. 3.02 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG842602742$603
  57. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844655923$591
  58. 3.02 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844655936$731
  59. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844656059$591
  60. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG844656125$844