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 7

11,767 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. 3.56 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG803699650$2,465
  2. 3 Carat Marquise Lab-Grown Diamond, FANCY VIVID PINK VVS2, IGI LG804623988$1,477
  3. 3.5 Carat Marquise Lab-Grown Diamond, E IF, IGI LG804646972$2,973
  4. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665162$4,652
  5. 3.08 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665163$4,754
  6. 3.13 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665164$4,828
  7. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665231$4,652
  8. 3.25 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665232$5,005
  9. 3.71 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG805613366$1,145
  10. 3.76 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG805643930$577
  11. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG805654866$972
  12. 3.60 Carat Marquise Lab-Grown Diamond, E SI1, IGI LG805690269$504
  13. 3.31 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG808615506$2,785
  14. 3.55 Carat Marquise Lab-Grown Diamond, FANCY VIVID PINK VVS1, IGI LG808618069$2,393
  15. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG807625182$575
  16. 3.66 Carat Marquise Lab-Grown Diamond, E vvs2, igi LG810645293$839
  17. 3.09 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG747565789$476
  18. 3.09 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG751516152$476
  19. 3.51 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG807693927$826
  20. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, GCAL 361456125$2,974
  21. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804660098$4,652
  22. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804660099$4,682
  23. 3.18 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804660100$4,902
  24. 3.07 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG749554899$473
  25. 3.81 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG811649929$1,457
  26. 3.55 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG803684346$909
  27. 3.66 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG806629375$1,182
  28. 3.92 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG790621542$1,018
  29. 3.70 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG747519980$3,269
  30. 3.32 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG794665180$1,167
  31. 3.50 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG804641512$948
  32. 3.99 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG810625530$731
  33. 3.99 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG800625013$1,310
  34. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG804662496$3,128
  35. 3.68 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG811675313$1,189
  36. 3.29 Carat Marquise Lab-Grown Diamond, E FL, IGI LG804660160$4,882
  37. 3.00 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804660279$4,636
  38. 3.00 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804660280$4,401
  39. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG805620608$1,257
  40. 3.18 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG811692681$1,595
  41. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG805625816$1,261
  42. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG815601967$836
  43. 3.34 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG811672540$1,204
  44. 3.04 Carat Marquise Lab-Grown Diamond, F vs1, igi LG813644426$579
  45. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG801629988$609
  46. 3.44 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG786626541$601
  47. 3.83 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG813697052$1,465
  48. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG813668260$893
  49. 3.19 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG813668262$949
  50. 3.34 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG792602877$1,050
  51. 3.43 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG797693301$1,079
  52. 3.69 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG798607229$1,192
  53. 3.67 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG799698191$1,185
  54. 3.31 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG801605328$1,041
  55. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG804647702$881
  56. 3 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG806624970$867
  57. 3.57 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG807620336$1,153
  58. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG807669911$873
  59. 3.64 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG807698624$1,176
  60. 3.26 Carat Marquise Lab-Grown Diamond, E VVS2, GCAL 361246069$1,700