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 237

14,677 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. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665355$681
  2. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665259$672
  3. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837652617$678
  4. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665273$672
  5. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665298$676
  6. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG838623642$676
  7. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837665350$555
  8. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG838623648$665
  9. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665278$674
  10. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665222$667
  11. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665195$663
  12. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837652618$678
  13. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836611961$670
  14. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665193$663
  15. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665235$670
  16. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665255$672
  17. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG831696433$678
  18. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837665272$550
  19. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665359$681
  20. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG837665237$551
  21. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG838623634$551
  22. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837665292$551
  23. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665358$681
  24. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837652666$551
  25. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG838623658$549
  26. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837644882$546
  27. 3.07 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG837665326$558
  28. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837652674$553
  29. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837665239$546
  30. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665277$674
  31. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG835685639$542
  32. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665254$672
  33. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG838623660$670
  34. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837665276$550
  35. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837652660$667
  36. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836621695$676
  37. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665238$670
  38. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG835685631$546
  39. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665297$676
  40. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665329$678
  41. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837652659$667
  42. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836617554$672
  43. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837652626$676
  44. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG838623661$550
  45. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG838623643$678
  46. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665348$681
  47. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836617568$674
  48. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665293$676
  49. 3.01 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG837680859$548
  50. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG838623644$667
  51. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665274$674
  52. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG836611978$548
  53. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836612221$672
  54. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665351$681
  55. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG828670701$548
  56. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG836676192$550
  57. 3.05 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG829615922$555
  58. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665354$681
  59. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG837680857$549
  60. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837665257$672