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 298

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 VS1, IGI LG854642060$665
  2. 3.10 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG854642074$540
  3. 3.55 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854642076$1,084
  4. 3.10 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG854642077$529
  5. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854642082$641
  6. 3.56 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854642083$706
  7. 3.09 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG854642084$1,084
  8. 3.10 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG854642085$540
  9. 3.02 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG855610183$465
  10. 3.10 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG855615582$1,001
  11. 3.58 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615585$708
  12. 3.59 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG855615586$1,096
  13. 3.10 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG855615588$1,001
  14. 3.59 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG855615591$1,096
  15. 3.58 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG855615592$1,093
  16. 3.55 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG855615593$615
  17. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615595$629
  18. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615596$711
  19. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615599$645
  20. 3.58 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG855615600$1,491
  21. 3.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG855615601$588
  22. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG855615603$525
  23. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615604$647
  24. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615607$647
  25. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615612$633
  26. 3.10 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG855615613$1,378
  27. 3.10 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG855615615$1,001
  28. 3.55 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG855615616$615
  29. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615618$629
  30. 3.10 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG855615619$1,001
  31. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615620$650
  32. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615623$636
  33. 3.00 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG855615625$524
  34. 3.58 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG855615626$619
  35. 3.44 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG855615629$591
  36. 3.50 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG855615634$606
  37. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615635$645
  38. 3.59 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG855615636$620
  39. 3.59 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG855615638$620
  40. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG855615639$535
  41. 3.10 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG855615641$1,086
  42. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615643$647
  43. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615648$647
  44. 3.09 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG855615649$1,084
  45. 3.54 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615650$701
  46. 3.58 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG855615654$619
  47. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615656$643
  48. 3.54 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615657$701
  49. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG855615659$638
  50. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG855615660$574
  51. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848655381$844
  52. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849647298$844
  53. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850605625$847
  54. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848639799$847
  55. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849647302$853
  56. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG822634198$627
  57. 3.51 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG828662509$889
  58. 3.51 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG833689719$552
  59. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833691922$636
  60. 3.50 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG841623290$1,207