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 6

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. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG793638027$686
  2. 3.73 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG793638890$1,404
  3. 3.65 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG793640359$1,179
  4. 3.01 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG794614250$526
  5. 3.50 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG794646520$641
  6. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG794654398$930
  7. 3.56 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG794683638$1,476
  8. 3.55 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG794687195$949
  9. 3.21 Carat Marquise Lab-Grown Diamond, E FL, IGI LG794697191$4,365
  10. 3.45 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG795607747$1,903
  11. 3.54 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG795646476$1,870
  12. 3.38 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG798606064$1,106
  13. 3.75 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG798606066$1,894
  14. 3.56 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG798612364$1,145
  15. 3.08 Carat Marquise Lab-Grown Diamond, D FL, IGI LG799676666$4,283
  16. 3.02 Carat Marquise Lab-Grown Diamond, D FL, IGI LG799676679$4,264
  17. 3.20 Carat Marquise Lab-Grown Diamond, D FL, IGI LG799676793$4,467
  18. 3.81 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG800676322$1,066
  19. 3.10 Carat Marquise Lab-Grown Diamond, D FL, IGI LG800677554$4,784
  20. 3.04 Carat Marquise Lab-Grown Diamond, D FL, IGI LG800684554$4,696
  21. 3.20 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG801610032$1,786
  22. 3.51 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG801635337$494
  23. 3.05 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG801649804$1,000
  24. 3.26 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG803636682$2,195
  25. 3.31 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG803680681$869
  26. 3.56 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG803699650$2,465
  27. 3.5 Carat Marquise Lab-Grown Diamond, E IF, IGI LG804646972$2,524
  28. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665162$4,652
  29. 3.08 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665163$4,754
  30. 3.13 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665164$4,828
  31. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665231$4,652
  32. 3.25 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665232$5,005
  33. 3.71 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG805613366$1,075
  34. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG805654866$692
  35. 3.60 Carat Marquise Lab-Grown Diamond, E SI1, IGI LG805690269$504
  36. 3.31 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG808615506$2,142
  37. 3.53 Carat Marquise Lab-Grown Diamond, E vvs2, igi LG810622406$810
  38. 3.51 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG807693927$826
  39. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, GCAL 361456125$3,002
  40. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804660098$4,652
  41. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804660099$4,682
  42. 3.18 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804660100$4,902
  43. 3.76 Carat Marquise Lab-Grown Diamond, E vvs2, igi LG809648769$923
  44. 3.81 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG811649929$1,457
  45. 3.55 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG803684346$909
  46. 3.66 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG806629375$1,182
  47. 3.92 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG790621542$1,018
  48. 3.50 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG804641512$948
  49. 3.99 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG810625530$731
  50. 3.99 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG800625013$1,310
  51. 3.68 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG811675313$1,189
  52. 3.00 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804660279$4,636
  53. 3.00 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804660280$4,401
  54. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG805620608$1,257
  55. 3.18 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG811692681$1,352
  56. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG805625816$1,261
  57. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG815601967$836
  58. 3.34 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG811672540$1,204
  59. 3.83 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG813697052$1,465
  60. 3.19 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG813668262$949