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 256

15,922 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, E VVS2, IGI LG838623660$670
  2. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837665276$550
  3. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837652660$667
  4. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836621695$676
  5. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665238$670
  6. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG835685631$546
  7. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665297$676
  8. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665329$678
  9. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG825653722$542
  10. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837652659$667
  11. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836617554$672
  12. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837652626$676
  13. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG838623661$550
  14. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG838623643$678
  15. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665348$681
  16. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836617568$674
  17. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665293$676
  18. 3.01 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG837680859$548
  19. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG838623644$667
  20. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665274$674
  21. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG836611978$548
  22. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836612221$672
  23. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665351$681
  24. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG828670701$548
  25. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG836676192$550
  26. 3.05 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG829615922$555
  27. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665354$681
  28. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG837680857$549
  29. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665257$672
  30. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665357$681
  31. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665260$672
  32. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665349$681
  33. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837665299$551
  34. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665271$674
  35. 3.05 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG837644966$555
  36. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG833624812$678
  37. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837665295$551
  38. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665191$663
  39. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665279$674
  40. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665206$665
  41. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665330$678
  42. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665294$676
  43. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836621701$663
  44. 3.21 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836611964$720
  45. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837652635$676
  46. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG836676193$553
  47. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665352$681
  48. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665196$663
  49. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG836611980$542
  50. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG838623656$674
  51. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837665328$553
  52. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665275$674
  53. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665256$672
  54. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665331$678
  55. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG826695808$546
  56. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG830649775$551
  57. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665258$672
  58. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG833624817$553
  59. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG838623633$555
  60. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG825653555$681