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 303

18,141 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. 3.53 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856626790$774
  2. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856673910$671
  3. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG856673911$671
  4. 3.59 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG856673925$760
  5. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853610691$825
  6. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853610693$822
  7. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853610699$816
  8. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG853610701$743
  9. 3.71 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853629736$708
  10. 3.79 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854647399$1,152
  11. 3.57 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854647401$1,015
  12. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854647402$745
  13. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854647406$743
  14. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854647753$584
  15. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG855602236$728
  16. 3.54 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG854673005$557
  17. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG854673006$479
  18. 3.00 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG854673008$472
  19. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG854683829$479
  20. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG855618210$732
  21. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG856626935$480