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 226

13,670 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. 3.02 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG843643016$764
  2. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG843643017$585
  3. 3.31 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843643757$696
  4. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843643758$651
  5. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843643761$640
  6. 3.41 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843643762$715
  7. 3.57 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844614593$748
  8. 3.28 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844614594$690
  9. 3.72 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844614595$778
  10. 3.27 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844614935$633
  11. 3.50 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844682925$1,403
  12. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844682926$582
  13. 3.02 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844687281$949
  14. 3.60 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845610261$678
  15. 3.53 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845610262$690
  16. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845611939$582
  17. 3.06 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG845670779$956
  18. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845670780$666
  19. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845670781$664
  20. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845670783$679
  21. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845670820$662
  22. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845670822$616
  23. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846652721$685
  24. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846694274$641
  25. 3.36 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846694409$706
  26. 3.33 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846694438$644
  27. 3.52 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847676199$1,229
  28. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848629857$574
  29. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848651789$577
  30. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849623245$574
  31. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG717566756$527
  32. 3.02 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG831608835$745
  33. 3.00 Carat Marquise Lab-Grown Diamond, D IF, IGI LG833644223$2,820
  34. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG839618596$857
  35. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG841606145$741
  36. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG841696627$580
  37. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG842620935$801
  38. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843643759$650
  39. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG843643760$589
  40. 3.10 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG844614981$482
  41. 3.57 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844617819$921
  42. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG844620775$767
  43. 3.50 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844682918$1,386
  44. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844682919$722
  45. 3.02 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844682922$949
  46. 3.08 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844682929$967
  47. 3.50 Carat Marquise Lab-Grown Diamond, D IF, IGI LG844682930$4,238
  48. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844682931$584
  49. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844682934$946
  50. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844687286$722
  51. 3.32 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846694436$643
  52. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG848689632$794
  53. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848689633$701
  54. 3.56 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG849618521$531
  55. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849618647$574
  56. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850602157$580
  57. 3.5 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836675034$936
  58. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844620016$1,189
  59. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844632324$1,189
  60. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844620022$1,189