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 286

18,170 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. 3.06 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG851699537$480
  2. 3.05 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG852641297$644
  3. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848620902$655
  4. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848620906$599
  5. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848620907$659
  6. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848620908$659
  7. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848620913$532
  8. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848620914$666
  9. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848620922$672
  10. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG850676664$526
  11. 3.02 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG850696032$414
  12. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG851612770$587
  13. 3.04 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG853611225$653
  14. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853613998$661
  15. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853613993$644
  16. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853611224$530
  17. 3.03 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG853613973$819
  18. 3.01 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG853611209$520
  19. 3.08 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG833673568$708
  20. 3.00 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG834617061$715
  21. 3.00 Carat Marquise Lab-Grown Diamond, E IF, IGI LG835602889$1,791
  22. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848668502$682
  23. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848688281$721
  24. 3.08 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849634608$725
  25. 3.05 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849659699$749
  26. 3.53 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG841680957$823
  27. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844614051$487
  28. 3.17 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844627523$742
  29. 3.09 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG844630978$526
  30. 3.01 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG848638752$473
  31. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG848653626$721
  32. 3.01 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG848653627$720
  33. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848653629$949
  34. 3.51 Carat Marquise Lab-Grown Diamond, D VS2, IGI LG848653630$969
  35. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848653635$717
  36. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848684331$574
  37. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG848684361$710
  38. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848688279$720
  39. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848688282$832
  40. 3.53 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849618876$839
  41. 3.24 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849634661$839
  42. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849646743$727
  43. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG849646744$721
  44. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849646747$720
  45. 3.51 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850686999$962
  46. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850697473$692
  47. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850697477$693
  48. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850697487$976
  49. 3.00 Carat Marquise Lab-Grown Diamond, H VVS2, IGI LG850698273$489
  50. 3.00 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG851663584$466
  51. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG852608648$582
  52. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG852608672$692
  53. 3.51 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844682975$689
  54. 3.54 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849627642$741
  55. 3.09 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG835642234$965
  56. 3.00 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837603413$580
  57. 3.01 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG837644963$567
  58. 3.01 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG838652090$571
  59. 3.51 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG838652096$715
  60. 3.51 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839602915$753