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 294

18,141 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. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853621090$515
  2. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853653437$753
  3. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG853653513$874
  4. 3.02 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG854643193$874
  5. 3.51 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG663401765$624
  6. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG817629183$623
  7. 3.05 Carat Marquise Lab-Grown Diamond, E IF, IGI LG826608002$1,835
  8. 3.02 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG833690134$694
  9. 3.06 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG836664629$745
  10. 3.00 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG839639459$477
  11. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG839639522$620
  12. 3.05 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG842619221$484
  13. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845648105$686
  14. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845648106$623
  15. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845648110$631
  16. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846667559$661
  17. 3.06 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG848629917$963
  18. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848690773$713
  19. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG850679779$721
  20. 3.01 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG851623729$476
  21. 3.56 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852642156$671
  22. 3.02 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849669129$1,058
  23. 3.02 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673720$1,058
  24. 3.02 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850692283$1,058
  25. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849669136$1,054
  26. 3 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850673730$828
  27. 3.08 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850692306$1,078
  28. 3.06 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673729$1,071
  29. 3.06 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850692289$1,071
  30. 3.05 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850692294$1,068
  31. 3.05 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849669132$1,068
  32. 3.04 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850692299$1,064
  33. 3.03 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673774$1,061
  34. 3.03 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673715$1,061
  35. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850673732$836
  36. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850673726$620
  37. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850673754$610
  38. 3.11 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673781$1,088
  39. 3.1 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673742$1,085
  40. 3.27 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850692293$1,142
  41. 3.27 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673735$1,142
  42. 3.22 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673727$1,125
  43. 3.22 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849662219$1,125
  44. 3.2 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849669134$1,119
  45. 3.19 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850692296$1,115
  46. 3.17 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850692291$1,108
  47. 3.17 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673716$1,108
  48. 3.2 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG850673745$659
  49. 3.26 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850673725$897
  50. 3.32 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673718$1,159
  51. 3.41 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850673758$936
  52. 3.8 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850673734$1,541
  53. 3.29 Carat Marquise Lab-Grown Diamond, D VVS2, GCAL 362856344$1,205
  54. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG805675762$630
  55. 3.81 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG805676178$854
  56. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG833642148$594
  57. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836665216$640
  58. 3.06 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG836666054$745
  59. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG837666917$616
  60. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG837666924$617