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 20

2,284 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. 3.77 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG792646906$669
  2. 3.73 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG793638025$605
  3. 3.78 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG793649982$612
  4. 3.73 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG794665189$662
  5. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG835612653$991
  6. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG835612652$991
  7. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG835612650$991
  8. 3 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG833694953$987
  9. 3.03 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG833694952$1,904
  10. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG833694951$1,892
  11. 3.74 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG810639223$664
  12. 3.78 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG810650687$612
  13. 3.72 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811610774$609
  14. 3.75 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811650637$608
  15. 3.74 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811672861$606
  16. 3.74 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811681934$606
  17. 3.79 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG811685069$661
  18. 3.73 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811685107$605
  19. 3.74 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811694007$606
  20. 3.71 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811699894$608
  21. 3.76 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG812611580$609
  22. 3.79 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG812632312$613
  23. 3.75 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG812648776$608
  24. 3.82 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG812652133$661
  25. 3.01 Carat Marquise Lab-Grown Diamond, FANCY VIVID GREEN VS2, IGI LG830662503$1,090
  26. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833679155$685
  27. 3.5 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG792612401$853
  28. 3.82 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG813673847$746
  29. 3.4 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG743595095$680
  30. 3.26 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG772621576$610
  31. 3.2 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG743576417$599
  32. 3.27 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG743576416$612
  33. 3.51 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG741532267$613
  34. 3.6 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG828632075$613
  35. 3.51 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG818674462$624
  36. 3.08 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG826630082$536
  37. 3.59 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG826630094$624
  38. 3.02 Carat Marquise Lab-Grown Diamond, F IF, IGI LG800675802$1,683
  39. 3.81 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG794642374$832
  40. 3.81 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811650080$832
  41. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG826653600$823
  42. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG828620651$823
  43. 3.00 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG833622452$522
  44. 3.07 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG833638314$517
  45. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG833638342$526
  46. 3.97 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG818624794$672
  47. 3.83 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG821601313$634
  48. 3.97 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG822634919$783
  49. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG825620293$690
  50. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG826651848$692
  51. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG830634785$676
  52. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833649284$676
  53. 3.33 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG833695501$1,074
  54. 3.1 Carat Marquise Lab-Grown Diamond, D IF, IGI LG825609404$3,366
  55. 3.95 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG813645779$698
  56. 3.87 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG813653490$711
  57. 3.93 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG814623505$715
  58. 3.95 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG816682619$653
  59. 3.95 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG817616300$698
  60. 3.94 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG817696243$667