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 270

16,170 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. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849623217$519
  2. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849623219$584
  3. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849623220$777
  4. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849623221$518
  5. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849627206$538
  6. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849627208$560
  7. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849627209$518
  8. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849627210$525
  9. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849627212$790
  10. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849627232$560
  11. 3.00 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849627234$512
  12. 3.01 Carat Marquise Lab-Grown Diamond, F SI1, IGI LG849637368$458
  13. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849653867$588
  14. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849653869$521
  15. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849653870$564
  16. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG849653875$522
  17. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849653879$582
  18. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849653889$581
  19. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850601745$564
  20. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850601751$575
  21. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850601753$577
  22. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG850601754$526
  23. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850601758$589
  24. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850696827$571
  25. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850696843$759
  26. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850696858$664
  27. 3.80 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850696859$711
  28. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850696867$759
  29. 3.72 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG851660390$1,275
  30. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851660395$759