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 188

11,803 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. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG828641781$1,453
  2. 3.03 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG837666517$738
  3. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG842620900$1,002
  4. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843601133$610
  5. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844635188$647
  6. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844635189$647
  7. 3.01 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG844635190$468
  8. 3.58 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844635192$708
  9. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844635214$636
  10. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844635215$650
  11. 3.00 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844686278$805
  12. 3.1 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG849651766$723
  13. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849651767$627
  14. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845619610$625
  15. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847680075$625
  16. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849660756$622
  17. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848603266$618
  18. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848603262$616
  19. 3.51 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG835641973$1,204
  20. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835693968$616
  21. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835693969$616
  22. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG837618731$979
  23. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG837674087$972
  24. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837674090$567
  25. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG837674097$753
  26. 3.54 Carat Marquise Lab-Grown Diamond, E IF, IGI LG837674109$2,131
  27. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839632460$588
  28. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839632468$588
  29. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG839685800$1,019
  30. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG839685803$743
  31. 3.01 Carat Marquise Lab-Grown Diamond, D IF, IGI LG839685805$3,235
  32. 3.03 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG839685808$1,029
  33. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG839685810$753
  34. 3.07 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG839685812$1,043
  35. 3.01 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG841659955$769
  36. 3.05 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG842661701$959
  37. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844634832$587
  38. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844651527$554
  39. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844651531$498
  40. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844651535$559
  41. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844651538$494
  42. 3.53 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG844660172$657
  43. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG844683143$893
  44. 3.34 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG844683509$567
  45. 3.02 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG844687279$797
  46. 3.02 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG844687284$949
  47. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845669070$622
  48. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847650590$1,567
  49. 3.02 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG831674983$715
  50. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG837652843$718
  51. 3.02 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG837652846$587
  52. 3.08 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG839667699$594
  53. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG839667877$784
  54. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG840662520$645
  55. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG841674795$647
  56. 3.58 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG842615291$784
  57. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG842615293$659
  58. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843685960$679
  59. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843685963$664
  60. 3.58 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG843685964$784