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 3

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. 3.85 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG758576973$1,473
  2. 3.52 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG755511486$1,346
  3. 3.51 Carat Marquise Lab-Grown Diamond, E VVS2, GCAL 352730124$2,723
  4. 3.02 Carat Marquise Lab-Grown Diamond, D FL, IGI LG744514734$4,666
  5. 3.07 Carat Marquise Lab-Grown Diamond, D IF, IGI LG754576605$4,892
  6. 3.51 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG706558524$738
  7. 3.73 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG761563647$1,427
  8. 3.08 Carat Marquise Lab-Grown Diamond, H VVS1, IGI LG751516634$431
  9. 3.02 Carat Marquise Lab-Grown Diamond, D IF, IGI LG744514977$3,834
  10. 3.63 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG764656720$1,467
  11. 3.61 Carat Marquise Lab-Grown Diamond, G VS1, GIA 1473815776$2,206
  12. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG512220477$2,793
  13. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG747565507$635
  14. 3.04 Carat Marquise Lab-Grown Diamond, E IF, IGI LG747574787$2,142
  15. 3.51 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG765611740$1,810
  16. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG768625000$1,312
  17. 3.54 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG766616918$510
  18. 3.89 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG666415312$958
  19. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG754508566$2,803
  20. 3.04 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG760512856$741
  21. 3.73 Carat Marquise Lab-Grown Diamond, E IF, IGI LG761513410$3,996
  22. 3.1 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG768603360$643
  23. 3.46 Carat Marquise Lab-Grown Diamond, D IF, IGI LG769664467$2,950
  24. 3.32 Carat Marquise Lab-Grown Diamond, D IF, IGI LG754594410$4,193
  25. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG772636914$1,478
  26. 3.1 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG771620761$653
  27. 3.34 Carat Marquise Lab-Grown Diamond, D IF, IGI LG771645349$8,238
  28. 3.20 Carat Marquise Lab-Grown Diamond, E IF, IGI LG755514266$1,653
  29. 3.26 Carat Marquise Lab-Grown Diamond, D IF, IGI LG754563421$4,988
  30. 3.54 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG764615915$946
  31. 3.01 Carat Marquise Lab-Grown Diamond, D IF, IGI LG768631009$3,822
  32. 3.02 Carat Marquise Lab-Grown Diamond, F IF, IGI LG755527938$1,516
  33. 3.02 Carat Marquise Lab-Grown Diamond, D FL, IGI LG764650768$4,556
  34. 3.52 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG764697506$941
  35. 3.53 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG764697507$944
  36. 3.44 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG764625753$601
  37. 3.70 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG778691161$1,841
  38. 3.03 Carat Marquise Lab-Grown Diamond, D IF, IGI LG768631457$3,846
  39. 3.06 Carat Marquise Lab-Grown Diamond, D IF, IGI LG768631458$3,882
  40. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG771664970$1,397
  41. 3.14 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG776652261$827
  42. 3.25 Carat Marquise Lab-Grown Diamond, D VVS1, GIA 5523810024$4,347
  43. 3.51 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG777630766$1,455
  44. 3.95 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG770666759$1,981
  45. 3.7 Carat Marquise Lab-Grown Diamond, D FL, IGI LG769669039$8,303
  46. 3.49 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG775636244$1,711
  47. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG776620853$858
  48. 3.02 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG778654377$889
  49. 3.90 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG762576145$3,434
  50. 3.00 Carat Marquise Lab-Grown Diamond, D IF, IGI LG754563761$4,297
  51. 3 Carat Marquise Lab-Grown Diamond, E IF, IGI LG754563785$3,825
  52. 3.04 Carat Marquise Lab-Grown Diamond, D FL, IGI LG768631960$4,696
  53. 3.64 Carat Marquise Lab-Grown Diamond, D FL, IGI LG768631963$6,923
  54. 3.02 Carat Marquise Lab-Grown Diamond, D FL, IGI LG773639182$4,556
  55. 3.04 Carat Marquise Lab-Grown Diamond, E IF, IGI LG754594991$3,876
  56. 3.08 Carat Marquise Lab-Grown Diamond, D IF, IGI LG754595522$5,184
  57. 3.09 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG754595462$3,756
  58. 3.57 Carat Marquise Lab-Grown Diamond, E VVS1, GCAL 353566162$3,048
  59. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, GCAL 353606352$2,808
  60. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, GCAL 353526399$2,279