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 297

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. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG830673539$734
  2. 3.06 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG830673570$745
  3. 3.06 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG830673571$850
  4. 3.07 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG830673580$748
  5. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG830673599$853
  6. 3.04 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG833642143$741
  7. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG833642158$734
  8. 3.06 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG833642173$850
  9. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG833655003$734
  10. 3.54 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG833678505$743
  11. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG833698604$843
  12. 3.05 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG836664593$847
  13. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG836664598$734
  14. 3.04 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG836664605$844
  15. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG836664628$731
  16. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG838615375$595
  17. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG838615383$853
  18. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG838638736$837
  19. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG840645557$651
  20. 3.02 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG843654827$1,103
  21. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845652681$612
  22. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845652706$571
  23. 3.03 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG846690790$861
  24. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847651654$1,012
  25. 3.10 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG848629730$552
  26. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848629765$1,005
  27. 3.51 Carat Marquise Lab-Grown Diamond, G VS2, IGI LG849602674$505
  28. 3.52 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849613824$661
  29. 3.03 Carat Marquise Lab-Grown Diamond, G VS2, IGI LG849637207$414
  30. 3.56 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG849637426$584
  31. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852641337$610
  32. 3.01 Carat Marquise Lab-Grown Diamond, E SI1, IGI LG852651392$403
  33. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853621690$539
  34. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621693$650
  35. 3.57 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621694$707
  36. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621696$650
  37. 3.07 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG853621698$706
  38. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621699$645
  39. 3.51 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG853621700$539
  40. 3.59 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853621702$620
  41. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621703$633
  42. 3.59 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853621704$620
  43. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG853634642$599
  44. 3.57 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853643551$672
  45. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG853678594$605
  46. 3.51 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854604876$696
  47. 3.08 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG854604878$1,079
  48. 3.09 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG854604881$1,084
  49. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854604883$647
  50. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854604884$711
  51. 3.08 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854604887$995
  52. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG854623271$640
  53. 3.53 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG854642043$610
  54. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854642044$645
  55. 3.54 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854642049$701
  56. 3.10 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG854642053$540
  57. 3.10 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG854642055$713
  58. 3.04 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG854642056$472
  59. 3.57 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG854642058$617
  60. 3.58 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG854642059$1,000