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

2,498 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. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790612027$5,086
  2. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790612029$4,852
  3. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG790678827$1,039
  4. 3.72 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG790681177$661
  5. 3.73 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG790698115$1,028
  6. 3.79 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG791629191$661
  7. 3.72 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG791629211$661
  8. 3.62 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG791651576$665
  9. 3.83 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG791652589$662
  10. 3.77 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG792607571$681
  11. 3.74 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG792685606$932
  12. 3.35 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG793604083$2,020
  13. 3.55 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG793608090$694
  14. 3.95 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG793621317$1,420
  15. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG793638027$692
  16. 3.73 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG793638890$1,404
  17. 3.65 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG793640359$1,089
  18. 3.01 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG794614250$524
  19. 3.40 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG794645481$757
  20. 3.50 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG794646520$655
  21. 3.56 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG794683638$697
  22. 3.55 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG794687195$1,501
  23. 3.21 Carat Marquise Lab-Grown Diamond, E FL, IGI LG794697191$5,155
  24. 3.45 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG795607747$1,903
  25. 3.32 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG795608844$710
  26. 3.54 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG795646476$1,870
  27. 3.87 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG797619979$2,190
  28. 3.83 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG797639579$668
  29. 3.23 Carat Marquise Lab-Grown Diamond, FANCY INTENSE YELLOW VS1, IGI LG797664088$1,067
  30. 3.38 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG798606064$1,140
  31. 3.75 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG798606066$1,894
  32. 3.56 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG798612364$1,145
  33. 3.08 Carat Marquise Lab-Grown Diamond, D FL, IGI LG799676666$4,858
  34. 3.02 Carat Marquise Lab-Grown Diamond, D FL, IGI LG799676679$4,868
  35. 3.20 Carat Marquise Lab-Grown Diamond, D FL, IGI LG799676793$4,467
  36. 3.81 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG800676322$1,044
  37. 3.10 Carat Marquise Lab-Grown Diamond, D FL, IGI LG800677554$4,784
  38. 3.04 Carat Marquise Lab-Grown Diamond, D FL, IGI LG800684554$4,696
  39. 3.20 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG801610032$1,841
  40. 3.51 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG801635337$571
  41. 3.26 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG803636682$2,015
  42. 3.31 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG803680681$981
  43. 3.59 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG803681565$698
  44. 3.56 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG803699650$2,786
  45. 3.50 Carat Marquise Lab-Grown Diamond, E IF, IGI LG804646972$4,046
  46. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665162$4,652
  47. 3.08 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665163$4,754
  48. 3.13 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665164$4,828
  49. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665231$4,652
  50. 3.25 Carat Marquise Lab-Grown Diamond, D FL, IGI LG804665232$5,005
  51. 3.71 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG805613366$1,177
  52. 3.76 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG805643930$629
  53. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG805654866$972
  54. 3.60 Carat Marquise Lab-Grown Diamond, E SI1, IGI LG805690269$504
  55. 3.31 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG808615506$2,930
  56. 3.55 Carat Marquise Lab-Grown Diamond, FANCY VIVID PINK VVS1, IGI LG808618069$2,393
  57. 3.53 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG810622406$762
  58. 3.74 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG801609745$543
  59. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG807625182$575
  60. 3.78 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG810645295$700