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 282

18,142 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 LG849618684$683
  2. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849618688$725
  3. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849618690$732
  4. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849618691$738
  5. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849618706$735
  6. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849618712$679
  7. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849618716$694
  8. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG849653726$650
  9. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849657098$732
  10. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849657109$679
  11. 3.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849657126$690
  12. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849657128$728
  13. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849657135$742
  14. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849657136$687
  15. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849657137$721
  16. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849657139$735
  17. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849657140$738
  18. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849657165$687
  19. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849657168$679
  20. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849657239$725
  21. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849657246$682
  22. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849673146$724
  23. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849673148$682
  24. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849673176$732
  25. 3.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849673177$690
  26. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849673182$683
  27. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849673478$721
  28. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG849676121$946
  29. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849676171$692
  30. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849676183$738
  31. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849676185$728
  32. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849676190$678
  33. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849676197$735
  34. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849676198$678
  35. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849676200$679
  36. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849676252$679
  37. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849676567$735
  38. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849676568$732
  39. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849676569$678
  40. 3.41 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850602254$896
  41. 3.07 Carat Marquise Lab-Grown Diamond, G VVS1, IGI LG850678911$679
  42. 3.10 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850678922$1,378
  43. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG850678925$533
  44. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850678933$637
  45. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850678968$650
  46. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850687492$735
  47. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850687502$724
  48. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850687504$679
  49. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850687520$732
  50. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850687521$732
  51. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850687522$738
  52. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850687523$724
  53. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850687524$679
  54. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG850687525$946
  55. 3.10 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG851626404$1,086
  56. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851626409$711
  57. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851626421$650
  58. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG851626429$592
  59. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG851684028$545
  60. 3.04 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851697105$722