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 280

18,181 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. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656543$650
  2. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656544$629
  3. 3.10 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849656550$1,001
  4. 3.07 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG849656554$706
  5. 3.55 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849656555$615
  6. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849656556$531
  7. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656558$633
  8. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656559$650
  9. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849656560$970
  10. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656565$711
  11. 3.10 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849656568$540
  12. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849656569$531
  13. 3.58 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849656570$619
  14. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849656571$535
  15. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656577$645
  16. 3.50 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849656578$606
  17. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850678932$650
  18. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850685749$762
  19. 3.06 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851610424$755
  20. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851610679$554
  21. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851617085$566
  22. 3.04 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG851650659$637
  23. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851660416$575
  24. 3.70 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851699569$1,126
  25. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611061$487
  26. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG851699564$532
  27. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849676710$615
  28. 3.59 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG828695571$846
  29. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG831616323$703
  30. 3.06 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG841656896$703
  31. 3.03 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG841656952$661
  32. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG843696614$840
  33. 3.59 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG847675708$1,018
  34. 3.04 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847686471$776
  35. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848683334$580
  36. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849648900$566
  37. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849648902$778
  38. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849656533$645
  39. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849656561$536
  40. 3.06 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG850678914$703
  41. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850678917$650
  42. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850678938$633
  43. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850678940$650
  44. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850686995$563
  45. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850686997$570
  46. 3.02 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG850696796$914
  47. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851607995$791
  48. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851607996$791
  49. 3.03 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG851607998$927
  50. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG851607999$654
  51. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851609701$773
  52. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851609703$580
  53. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851609743$778
  54. 3.08 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851609744$764
  55. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851617060$760
  56. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851617061$582
  57. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG851623970$536
  58. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851623971$553
  59. 3.00 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG851626361$524
  60. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851626363$650