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 19

13,653 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. 3.78 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG810650687$601
  2. 3.72 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811610774$602
  3. 3.75 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811650637$606
  4. 3.74 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811672861$605
  5. 3.74 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811681934$605
  6. 3.79 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG811685069$661
  7. 3.73 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811685107$603
  8. 3.74 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811694007$605
  9. 3.71 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811699894$601
  10. 3.76 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG812611580$592
  11. 3.79 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG812632312$603
  12. 3.75 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG812648776$606
  13. 3.82 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG812652133$661
  14. 3.01 Carat Marquise Lab-Grown Diamond, FANCY VIVID GREEN VS2, IGI LG830662503$1,090
  15. 3.56 Carat Marquise Lab-Grown Diamond, N VS2, IGI LG831658270$1,415
  16. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833679155$650
  17. 3.02 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG752599181$466
  18. 3.26 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG772621576$610
  19. 3.2 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG743576417$599
  20. 3.27 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG743576416$612
  21. 3.51 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG741532267$613
  22. 3.02 Carat Marquise Lab-Grown Diamond, F IF, IGI LG800675802$1,356
  23. 3.04 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG754594977$3,695
  24. 3.81 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG794642374$903
  25. 3.81 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG811650080$903
  26. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG828620651$811
  27. 3.83 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG821601313$609
  28. 3.97 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG822634919$749
  29. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG825620293$658
  30. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG826651848$660
  31. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG830634785$676
  32. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833649284$676
  33. 3.95 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG813645779$672
  34. 3.87 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG813653490$684
  35. 3.93 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG814623505$688
  36. 3.95 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG816682619$628
  37. 3.95 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG817616300$672
  38. 3.94 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG817696243$639
  39. 3.96 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG818601729$635
  40. 3.95 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG818614606$672
  41. 3.87 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG818627680$615
  42. 3.99 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG818699683$679
  43. 3.88 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG812630474$617
  44. 3.98 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG812630549$639
  45. 3.98 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG813633588$632
  46. 3.92 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG813692737$686
  47. 3.35 Carat Marquise Lab-Grown Diamond, D IF, IGI LG829608659$3,315
  48. 3.7 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG828620229$1,730
  49. 3.04 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG831677287$818
  50. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG831677497$841
  51. 3.07 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG832604350$871
  52. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG831645899$517
  53. 3.1 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG831660710$615
  54. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG831672077$652
  55. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833629144$648
  56. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833635296$658
  57. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833635305$648
  58. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG833647010$614
  59. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG833647020$612
  60. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833655567$648