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 279

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. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG833669276$1,271
  2. 3.34 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG838602315$1,204
  3. 3.50 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG842617216$832
  4. 3.22 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG842649629$767
  5. 3.56 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG842649631$846
  6. 3.51 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG843633966$834
  7. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610964$570
  8. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610970$487
  9. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610978$573
  10. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847651015$1,207
  11. 3.52 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848663087$655
  12. 3.20 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848674804$1,253
  13. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656526$647
  14. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849656531$533
  15. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656567$638
  16. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849674464$976
  17. 3.04 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG850685740$637
  18. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850685742$547
  19. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850696818$574
  20. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851610197$762
  21. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851610457$741
  22. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851610458$741
  23. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851660411$577
  24. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851660438$748
  25. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851663588$554
  26. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG851697124$634
  27. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835690938$545
  28. 3.02 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG838625508$490
  29. 3.50 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG842617218$832
  30. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844668874$543
  31. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844668886$490
  32. 3.00 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844668887$493
  33. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610961$487
  34. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610962$487
  35. 3.07 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846610963$487
  36. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610965$487
  37. 3.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846610966$550
  38. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610967$570
  39. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610969$570
  40. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610975$489
  41. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846611036$701
  42. 3.06 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846611040$703
  43. 3.06 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846611041$703
  44. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611047$491
  45. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611056$487
  46. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611058$570
  47. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611067$489
  48. 3.35 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846652764$631
  49. 3.08 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848668497$967
  50. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848668547$944
  51. 3.08 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848694179$921
  52. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848694180$903
  53. 3.52 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848694183$1,422
  54. 3.53 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848694185$1,033
  55. 3.55 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848694186$1,435
  56. 3.04 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848694189$910
  57. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656525$650
  58. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656534$650
  59. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849656538$539
  60. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656539$650