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 249

14,924 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 VS1, IGI LG847661609$592
  2. 3.04 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG847661620$504
  3. 3.02 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG847661621$419
  4. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847663977$570
  5. 3.52 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847675709$638
  6. 3.06 Carat Marquise Lab-Grown Diamond, H VS1, IGI LG848616426$808
  7. 3.70 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG848620748$1,281
  8. 3.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848632739$623
  9. 3.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848632740$623
  10. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849667513$578
  11. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG799618154$634
  12. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG799618160$637
  13. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG813602675$631
  14. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848691104$567
  15. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG850605308$515
  16. 3.05 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG831687428$549
  17. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844607829$650
  18. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG844607869$771
  19. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG844607871$781
  20. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844607905$645
  21. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844607906$568
  22. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845660070$680
  23. 3.58 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG845670710$1,011
  24. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846610648$574
  25. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610649$599
  26. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846610725$584
  27. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610730$612
  28. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610732$612
  29. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610733$612
  30. 3.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846610734$587
  31. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610735$612
  32. 3.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846610737$587
  33. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610738$612
  34. 3.60 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846635234$1,247
  35. 3.08 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG846692112$447
  36. 3.01 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847654161$489
  37. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848630620$680
  38. 3.52 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848632741$1,007
  39. 3.57 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848632742$689
  40. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849667512$791
  41. 3.01 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG849667519$489
  42. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850667356$658
  43. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG851603032$763
  44. 3.08 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG836630667$972