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 187

11,188 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. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839607346$617
  2. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839687613$605
  3. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG841655834$610
  4. 3.13 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG843635725$956
  5. 3.08 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG843642078$749
  6. 3.03 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844673155$840
  7. 3.79 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844673164$1,095
  8. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844673194$846
  9. 3.07 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844673199$840
  10. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG845617017$1,151
  11. 3.32 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG845666783$1,260
  12. 3.19 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG845666803$974
  13. 3.25 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG845666814$993
  14. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG845666819$1,155
  15. 3.21 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG845666821$1,219
  16. 3.10 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG845666828$1,179
  17. 3.11 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846691048$851
  18. 3.14 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846691051$858
  19. 3.74 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847646050$720
  20. 3.06 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847646056$837
  21. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847646057$630
  22. 3.18 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG847678596$1,208
  23. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847678633$631
  24. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847686363$827
  25. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847687727$137,021
  26. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847687728$137,474
  27. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847690379$136,566
  28. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849635518$571