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 281

18,166 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, E VS1, IGI LG838605853$582
  2. 3.03 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG838605913$788
  3. 3.03 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG845657470$788
  4. 3.05 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG845657488$794
  5. 3.59 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG845670719$1,317
  6. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846610996$539
  7. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611008$566
  8. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611020$563
  9. 3.05 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG846692326$794
  10. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848683406$578
  11. 3.03 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849656553$1,063
  12. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG850602253$650
  13. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850678907$636
  14. 3.05 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG850678919$701
  15. 3.07 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG850678920$1,077
  16. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850678924$650
  17. 3.74 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850678935$721
  18. 3.53 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850678941$1,078
  19. 3.60 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG850678944$1,004
  20. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851626374$711
  21. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851626382$638
  22. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851626391$641
  23. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851626415$629
  24. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851626444$650
  25. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG831655733$728
  26. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG831655737$732
  27. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG831655740$732
  28. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG831679250$738
  29. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833630191$728
  30. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836695076$732
  31. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836695154$728
  32. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836695209$735
  33. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836696196$742
  34. 3.52 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG843602405$596
  35. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844683756$570
  36. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844683760$571
  37. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610954$491
  38. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846610998$543
  39. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610999$566
  40. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611000$566
  41. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846698780$678
  42. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847651655$732
  43. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847662735$738
  44. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847662737$721
  45. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847662747$675
  46. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847662755$683
  47. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847662994$721
  48. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848621857$738
  49. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848621858$739
  50. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848621859$678
  51. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848621863$739
  52. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848621865$735
  53. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848621870$728
  54. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848621872$686
  55. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848621888$742
  56. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848621891$694
  57. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848621895$678
  58. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848629724$732
  59. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848629763$731
  60. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848629769$738