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 254

15,220 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. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844625944$640
  2. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG844625951$840
  3. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844625954$643
  4. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844625956$643
  5. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844625977$647
  6. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844641529$651
  7. 3.03 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844682927$952
  8. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845660536$571
  9. 3.03 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG845699468$956
  10. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG846667277$763
  11. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847605733$556
  12. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG847643074$946
  13. 3.13 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG847685225$1,036
  14. 3.09 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG847685226$1,023
  15. 3.50 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847685227$1,019
  16. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847685234$804
  17. 3.06 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG847685241$1,014
  18. 3.35 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847685258$881
  19. 3.34 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848650966$1,103
  20. 3.60 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848650993$1,540
  21. 3.10 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848650994$1,026
  22. 3.27 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848650995$1,081
  23. 3.78 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848651001$1,117
  24. 3.08 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848651004$931
  25. 3.25 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848651018$1,075
  26. 3.20 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848651025$1,058
  27. 3.39 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848664750$1,022
  28. 3.81 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848664765$1,628
  29. 3.57 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848664785$1,527
  30. 3.44 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848664790$1,135
  31. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848664797$638
  32. 3.02 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG848664819$735
  33. 3.03 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848664821$1,004
  34. 3.24 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG848664828$787
  35. 3.02 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG848666656$496
  36. 3.10 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848666659$869
  37. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848666660$574
  38. 3.09 Carat Marquise Lab-Grown Diamond, D VS2, IGI LG848666662$584
  39. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG851608507$563
  40. 3.26 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG840627686$951