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

10,743 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.

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  1. 3.06 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG841625705$858
  2. 3.55 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG843607254$676
  3. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG843607748$706
  4. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844621085$588
  5. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG844621089$846
  6. 3.55 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG842610908$823
  7. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844620670$547
  8. 3.07 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG844686276$1,095
  9. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848644113$979
  10. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848644115$627
  11. 3.47 Carat Marquise Lab-Grown Diamond, E vvs2, igi LG797607003$773
  12. 3.49 Carat Marquise Lab-Grown Diamond, E vvs2, igi LG795613777$778
  1. 3 Carat Marquise Lab-Grown Diamond, E VVS1, GIA 1525818779$3,647
  2. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, GIA 2534396765$2,076
  3. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, GIA 2536174546$3,613
  4. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, GIA 2537493944$2,402
  5. 3.70 Carat Marquise Lab-Grown Diamond, D VVS2, GIA 2537710490$3,767
  6. 3.14 Carat Marquise Lab-Grown Diamond, D VVS2, GIA 5533218073$2,409
  7. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, GIA 6505832421$5,055
  8. 3.31 Carat Marquise Lab-Grown Diamond, D IF, GIA 6511346413$13,075
  9. 3.24 Carat Marquise Lab-Grown Diamond, D IF, GIA 7513500847$12,802
  10. 3.52 Carat Marquise Lab-Grown Diamond, E IF, IGI LG542210027$7,181
  11. 3.56 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG563204700$640
  12. 3.60 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG600325282$853
  13. 3.03 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG618437511$446
  14. 3.88 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG629473840$967
  15. 3.07 Carat Marquise Lab-Grown Diamond, E IF, IGI LG630443115$5,029
  16. 3.53 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG636411291$3,235
  17. 3.06 Carat Marquise Lab-Grown Diamond, E IF, IGI LG638454970$4,162
  18. 3.01 Carat Marquise Lab-Grown Diamond, E IF, IGI LG643426763$4,094
  19. 3.66 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG660427916$1,089
  20. 3.75 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG663414684$2,072
  21. 3.08 Carat Marquise Lab-Grown Diamond, E IF, IGI LG665445463$4,189
  22. 3.09 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG668411766$1,698
  23. 3.81 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG668461052$1,231
  24. 3.77 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG668469411$2,799
  25. 3 Carat Marquise Lab-Grown Diamond, D IF, IGI LG669419162$4,590
  26. 3.06 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG678502194$476
  27. 3.9 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG685512649$698
  28. 3.01 Carat Marquise Lab-Grown Diamond, H VVS2, IGI LG685564264$463
  29. 3.34 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG693515076$908
  30. 3.42 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG698513047$1,017
  31. 3.02 Carat Marquise Lab-Grown Diamond, D IF, IGI LG698549085$3,834
  32. 3.04 Carat Marquise Lab-Grown Diamond, D IF, IGI LG698549086$3,858
  33. 3.01 Carat Marquise Lab-Grown Diamond, D IF, IGI LG702512849$3,822
  34. 3.73 Carat Marquise Lab-Grown Diamond, E IF, IGI LG702577028$4,085
  35. 3.99 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG704545743$1,005
  36. 3.87 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG705524003$888
  37. 3.42 Carat Marquise Lab-Grown Diamond, D IF, IGI LG706508352$4,313
  38. 3.82 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG707523159$1,497
  39. 3.76 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG707531718$699
  40. 3.63 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG709530601$2,006
  41. 3.01 Carat Marquise Lab-Grown Diamond, D IF, IGI LG710570163$3,834
  42. 3.32 Carat Marquise Lab-Grown Diamond, D IF, IGI LG710570165$4,193
  43. 3.30 Carat Marquise Lab-Grown Diamond, D IF, IGI LG710580689$4,182
  44. 3.58 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG712533208$757
  45. 3.00 Carat Marquise Lab-Grown Diamond, D IF, IGI LG715506087$3,810
  46. 3.37 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG715526666$1,060
  47. 3.51 Carat Marquise Lab-Grown Diamond, D IF, IGI LG717540398$6,892
  48. 3.51 Carat Marquise Lab-Grown Diamond, E FL, IGI LG717586084$9,846
  49. 3.61 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG719575104$1,166
  50. 3.99 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG720558744$2,048
  51. 3.61 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG723545502$2,025
  52. 3.70 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG723583598$1,672
  53. 3.81 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG723583600$2,316
  54. 3.52 Carat Marquise Lab-Grown Diamond, D IF, IGI LG723588196$6,582
  55. 3.34 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG724501195$2,811
  56. 3.72 Carat Marquise Lab-Grown Diamond, E IF, IGI LG724519480$4,522
  57. 3.09 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG724556147$3,002
  58. 3.09 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG728556578$476
  59. 3.09 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG728568179$476
  60. 3.01 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG731540938$474