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 290

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. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610917$490
  2. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610927$568
  3. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610928$568
  4. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610930$566
  5. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610931$566
  6. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610932$566
  7. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846610933$545
  8. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610934$489
  9. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846611097$542
  10. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846611104$542
  11. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611105$567
  12. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846611112$482
  13. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611136$493
  14. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611137$493
  15. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611147$573
  16. 3.00 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611178$487
  17. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611181$566
  18. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611182$566
  19. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG846611183$743
  20. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611184$489
  21. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611185$489
  22. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846611186$539
  23. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611191$484
  24. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846611192$480
  25. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611197$487
  26. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611199$568
  27. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846611200$482
  28. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611203$570
  29. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611205$567
  30. 3.05 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG846611206$469
  31. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611207$490
  32. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611213$491
  33. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611214$568
  34. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846611215$547
  35. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG846689414$1,140
  36. 3.11 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847636432$741
  37. 3.03 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848604474$952
  38. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848604476$944
  39. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848604477$736
  40. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG849613852$636
  41. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849658194$584
  42. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849658196$571
  43. 3.31 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849660310$945
  44. 3.7 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG849660312$885
  45. 3.73 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849660314$1,497
  46. 3.35 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849660321$1,008
  47. 3.22 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849660322$921
  48. 3.24 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849660323$976
  49. 3.21 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849660327$783
  50. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849660336$616
  51. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849660343$868
  52. 3.06 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849660344$923
  53. 3.31 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849660352$805
  54. 3.2 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849660353$780
  55. 3.27 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849660358$539
  56. 3.71 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849660360$602
  57. 3.77 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849660361$706
  58. 3.51 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849660363$577
  59. 3.21 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849662198$783
  60. 3.24 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG849662210$976