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

16,154 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. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849653879$582
  2. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849653889$581
  3. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850601745$564
  4. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850601751$575
  5. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850601753$577
  6. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG850601754$526
  7. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850601758$589
  8. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850696827$571
  9. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850696843$759
  10. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850696858$664
  11. 3.80 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850696859$711
  12. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG850696867$759
  13. 3.72 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG851660390$1,275
  14. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851660395$759