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 230

14,768 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, E VVS2, IGI LG847692011$666
  2. 3.2 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG846638420$530
  3. 3.15 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845660799$624
  4. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846660640$677
  5. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847692017$664
  6. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG847692016$553
  7. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848601002$549
  8. 3.14 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846658188$536
  9. 3.32 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845697517$619
  10. 3.07 Carat Marquise Lab-Grown Diamond, D VS2, IGI LG847692036$624
  11. 3.05 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG847687549$526
  12. 3.31 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846637384$655
  13. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846632952$666
  14. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847687524$681
  15. 3.32 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846633031$926
  16. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847687518$676
  17. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847692026$666
  18. 3.1 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844678887$540
  19. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG847692025$566
  20. 3.59 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG846649441$602
  21. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847692015$674
  22. 3.11 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG845697599$425
  23. 3.06 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847692004$874
  24. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847692005$676
  25. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847692014$664
  26. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG847692028$556
  27. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845670402$676
  28. 3.79 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846633122$616
  29. 3.13 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846602703$585
  30. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847692032$676
  31. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847687547$664
  32. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846652137$553
  33. 3.05 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG848601009$541
  34. 3.03 Carat Marquise Lab-Grown Diamond, F SI1, IGI LG844676294$390
  35. 3.06 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG848601010$687
  36. 3.97 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846630643$682
  37. 3.89 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846658186$675
  38. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847692034$670
  39. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG845618726$558
  40. 3 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844678888$552
  41. 3.29 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG845660802$427
  42. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847692041$607
  43. 3.04 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847692006$540
  44. 3.01 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846633649$530
  45. 3.35 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846602698$657
  46. 3.13 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846688522$534
  47. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846632962$566
  48. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846633772$554
  49. 3.26 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846654036$555
  50. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846632954$538
  51. 3.16 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845665509$585
  52. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG845649069$563
  53. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846633023$554
  54. 3.26 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846638391$603
  55. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845665496$605
  56. 3.06 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG845665492$543
  57. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846637364$536
  58. 3.07 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG845635277$415
  59. 3.03 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG844621170$518
  60. 3.16 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845697511$590