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 228

13,653 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 VS1, IGI LG847686355$554
  2. 3.10 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG848615180$1,086
  3. 3.60 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615183$622
  4. 3.11 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615185$542
  5. 3.60 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615186$713
  6. 3.10 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615187$540
  7. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615192$539
  8. 3.10 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615193$540
  9. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615198$647
  10. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848651110$1,212
  11. 3.73 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848670138$1,449
  12. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848691275$594
  13. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849618607$608
  14. 3.55 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG831608671$1,015
  15. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846631470$559
  16. 3.08 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846659943$755
  17. 3.10 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847630836$1,001
  18. 3.05 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG847630843$701
  19. 3.10 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847630846$1,086
  20. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615188$650
  21. 3.11 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615190$651
  22. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615191$645
  23. 3.51 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848628261$1,218
  24. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849622957$575
  25. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849643427$568
  26. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG831683842$626
  27. 3.06 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG831683843$962
  28. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG831683844$868
  29. 3.60 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845670714$678
  30. 3.56 Carat Marquise Lab-Grown Diamond, D VS2, IGI LG845670717$645
  31. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845670892$619
  32. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848642894$578
  33. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849635545$753