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 291

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. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG850605310$518
  2. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850630758$885
  3. 3.16 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG850630759$770
  4. 3.09 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG850630763$755
  5. 3.08 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850630765$928
  6. 3.21 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850630774$918
  7. 3.1 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850630780$888
  8. 3.21 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850630784$967
  9. 3.04 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850630786$871
  10. 3.35 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850630787$665
  11. 3.09 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850630789$932
  12. 3.06 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG850630790$748
  13. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637525$631
  14. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637530$650
  15. 3.10 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG852637540$713
  16. 3.60 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637564$713
  17. 3.54 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853617569$665
  18. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG853640507$559
  19. 3.72 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG826687706$937
  20. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG848616270$491
  21. 3.08 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG848673084$650
  22. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849658193$746
  23. 3.60 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG851652033$626
  24. 3.57 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851691318$689
  25. 3.56 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851691322$680
  26. 3.57 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851691337$689
  27. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637527$645
  28. 3.54 Carat Marquise Lab-Grown Diamond, G VVS1, IGI LG852637528$749
  29. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637541$711
  30. 3.10 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG852637542$1,086
  31. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG852637545$993
  32. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637546$650
  33. 3.55 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG852637547$1,084
  34. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG852637548$539
  35. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637550$650
  36. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG852637553$539
  37. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637554$645
  38. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637555$631
  39. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG852637561$998
  40. 3.82 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637562$735
  41. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637567$647
  42. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG852637573$525
  43. 3.53 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG852637575$840
  44. 3.52 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637579$697
  45. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637581$711
  46. 3.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG852637583$680
  47. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637590$631
  48. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637593$638
  49. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852637595$636
  50. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG852637597$592
  51. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621650$645
  52. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621653$647
  53. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621655$638
  54. 3.10 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853621660$540
  55. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621663$631
  56. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621666$647
  57. 3.50 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853621671$606
  58. 3.00 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853621675$524
  59. 3.08 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG853621679$477
  60. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621682$641