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 278

18,182 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. 3.3 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849614824$1,030
  2. 3.32 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849614739$828
  3. 3.31 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849614796$826
  4. 3.58 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849614755$1,450
  5. 3.63 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849634603$949
  6. 3.58 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849634601$936
  7. 3.56 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849634615$931
  8. 3.54 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849614874$980
  9. 3.52 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849646059$921
  10. 3.77 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849614765$1,526
  11. 3.74 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849646057$977
  12. 3.77 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG849634653$917
  13. 3.76 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847646093$702
  14. 3.88 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849634607$1,012
  15. 3.10 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG849613381$529
  16. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849613407$970
  17. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851607983$568
  18. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG747520838$570
  19. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG765618609$568
  20. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG750521505$554
  21. 3.56 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835632714$981
  22. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG839664773$848
  23. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG842644346$889
  24. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG843696612$840
  25. 3.58 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848694193$2,343
  26. 3.01 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG849619362$468
  27. 3.01 Carat Marquise Lab-Grown Diamond, D VS2, IGI LG850677711$526
  28. 3.00 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG850696852$487
  29. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850696854$539
  30. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851660431$756
  31. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG831683859$553
  32. 3.55 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835693557$690
  33. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836694436$878
  34. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG839650638$794
  35. 3.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG840629189$713
  36. 3.03 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG841608432$1,002
  37. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610977$489
  38. 3.07 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846611055$706
  39. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849659607$875
  40. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851610425$748
  41. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851610668$552
  42. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851610683$553
  43. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851660430$750
  44. 3.22 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG851663511$538
  45. 3.85 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849654060$606
  46. 3.14 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849651204$587
  47. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG852632095$512
  48. 3.15 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG852632086$389
  49. 3.84 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849672336$636
  50. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849664879$661
  51. 3.94 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG850667572$620
  52. 3.26 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850631151$603
  53. 3.15 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849671513$589
  54. 3.1 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849638843$590
  55. 3.08 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG849636031$526
  56. 3 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG849669690$509
  57. 3.95 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849660376$653
  58. 3.45 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849635924$574
  59. 3.11 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849666237$541
  60. 3.78 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850603811$742