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 41

2,591 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 LG835655571$705
  2. 3.1 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG837603579$638
  3. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG837603562$629
  4. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835671613$629
  5. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG835664686$707
  6. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG835669111$707
  7. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836636966$705
  8. 3.04 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG837603889$930
  9. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836632567$634
  10. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836606369$629
  11. 3.09 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG835671696$893
  12. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835665064$636
  13. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836696823$631
  14. 3 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835664647$643
  15. 3.1 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835662871$638
  16. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835670358$639
  17. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG835673469$708
  18. 3.1 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835671603$638
  19. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836636941$643
  20. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835671700$631
  21. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836606386$629
  22. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG835673514$706
  23. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836628066$716
  24. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835673598$636
  25. 3 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835669036$632
  26. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG835671635$711
  27. 3.1 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG837605277$638
  28. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836635420$645
  29. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837604048$711
  30. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG835670960$708
  31. 3.09 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835673465$636
  32. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835666285$634
  33. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835607597$638
  34. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG835665061$711
  35. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835671692$639
  36. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG837603891$631
  37. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835664740$637
  38. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837658916$627
  39. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837658914$647
  40. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG837658915$1,176
  41. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG835631833$874
  42. 3.51 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG687555967$893
  43. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG833688719$1,186
  44. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836602564$578
  45. 3.08 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG836602565$512
  46. 3.07 Carat Marquise Lab-Grown Diamond, D IF, IGI LG836634471$3,648
  47. 3.53 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG681507152$742
  48. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG835642277$592
  49. 3.52 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836641182$602
  50. 3.01 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG837652591$1,186
  51. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG830662807$546
  52. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836627662$575
  53. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG797665491$841
  54. 3 Carat Marquise Lab-Grown Diamond, FANCY VIVID GREEN VS1, IGI LG833695514$1,114
  55. 3.02 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG838638280$802
  56. 3.87 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG722549498$1,183
  57. 3.03 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG734532573$728
  58. 3.51 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG735596581$742
  59. 3.06 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG736502194$1,691
  60. 3.56 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG752550978$1,145