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 231

14,616 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. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845619610$625
  2. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847680075$625
  3. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849660756$622
  4. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848603266$618
  5. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848603262$616
  6. 3.51 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG835641973$1,204
  7. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835693968$616
  8. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835693969$616
  9. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG837618731$979
  10. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG837674087$972
  11. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG837674097$753
  12. 3.54 Carat Marquise Lab-Grown Diamond, E IF, IGI LG837674109$2,131
  13. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839632460$594
  14. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839632468$594
  15. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG839685800$1,019
  16. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG839685803$743
  17. 3.01 Carat Marquise Lab-Grown Diamond, D IF, IGI LG839685805$3,235
  18. 3.03 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG839685808$1,029
  19. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG839685810$753
  20. 3.07 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG839685812$1,043
  21. 3.05 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG842661701$959
  22. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844651527$554
  23. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844651531$498
  24. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844651535$559
  25. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844651538$494
  26. 3.53 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844660172$657
  27. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG844683143$893
  28. 3.34 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844683509$567
  29. 3.02 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844687284$949
  30. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845669070$622
  31. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847650590$1,567
  32. 3.02 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG831674983$715
  33. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG837652843$718
  34. 3.08 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG839667699$594
  35. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG841674795$647
  36. 3.58 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG842615291$784
  37. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG842615293$659
  38. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843685960$679
  39. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843685963$664
  40. 3.58 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843685964$784
  41. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843685973$664
  42. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844651504$494
  43. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844651517$496
  44. 3.02 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG847605103$496
  45. 3.02 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG828656375$955
  46. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG837697219$594
  47. 3.58 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG843642236$763
  48. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG844614926$651
  49. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844651526$554
  50. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844683818$505
  51. 3.25 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG837660215$596
  52. 3.55 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843645200$703
  53. 3.12 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844627269$1,156
  54. 3.58 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844656553$963
  55. 3.13 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844656559$857
  56. 3.26 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844656591$890
  57. 3.78 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844656594$1,015
  58. 3.22 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844656595$879
  59. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844656598$616
  60. 3.13 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844678800$857