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 245

14,678 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. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849627127$613
  2. 3.04 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849627129$981
  3. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849627130$946
  4. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849675652$1,210
  5. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837697218$655
  6. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839682437$757
  7. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839694545$745
  8. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839694556$757
  9. 3.03 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG845619482$721
  10. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610355$580
  11. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610374$491
  12. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610389$589
  13. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610397$498
  14. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610468$580
  15. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610482$494
  16. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610487$494
  17. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610727$584
  18. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610728$584
  19. 3.00 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847661619$497
  20. 3.70 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848620720$1,579
  21. 3.50 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846656837$557
  22. 3.47 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846656944$676
  23. 3.04 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG846656952$750
  24. 3.01 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847618581$510
  25. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847618582$570
  26. 3.38 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847618907$580
  27. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847618915$584
  28. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847630809$592
  29. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847661609$592
  30. 3.04 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG847661620$504
  31. 3.02 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG847661621$419
  32. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847663977$570
  33. 3.52 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847675709$638
  34. 3.06 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG848616426$808
  35. 3.70 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG848620748$1,268
  36. 3.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848632739$623
  37. 3.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848632740$623
  38. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849667513$573