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 242

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. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG847630834$529
  2. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847630837$643
  3. 3.57 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847630838$707
  4. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847630839$641
  5. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG847630840$533
  6. 3.58 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847630844$708
  7. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847630845$650
  8. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847630850$650
  9. 3.58 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG847630851$619
  10. 3.10 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG847676279$540
  11. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG847676281$636
  12. 3.07 Carat Marquise Lab-Grown Diamond, E IF, IGI LG847676282$1,905
  13. 3.51 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847676283$980
  14. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847686343$1,350
  15. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847686345$1,362
  16. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847686355$554
  17. 3.10 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG848615180$1,086
  18. 3.60 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615183$622
  19. 3.11 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615185$542
  20. 3.60 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615186$713
  21. 3.10 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615187$540
  22. 3.09 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615192$539
  23. 3.10 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615193$540
  24. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615198$647
  25. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848651110$1,212
  26. 3.73 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848670138$1,449
  27. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849618607$608
  28. 3.55 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG831608671$1,015
  29. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846631470$559
  30. 3.08 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG846659943$755
  31. 3.10 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847630836$1,001
  32. 3.05 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG847630843$701
  33. 3.10 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847630846$1,086
  34. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615188$650
  35. 3.11 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615190$651
  36. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615191$645
  37. 3.51 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848628261$1,218
  38. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849622957$575
  39. 3.00 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849643427$568
  40. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG831683842$626
  41. 3.06 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG831683843$962
  42. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG831683844$868
  43. 3.60 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG845670714$678
  44. 3.56 Carat Marquise Lab-Grown Diamond, D VS2, IGI LG845670717$645
  45. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845670892$619
  46. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG848642894$566
  47. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849635545$753
  48. 3.52 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG843688525$1,012
  49. 3.03 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG844614079$729
  50. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG844614500$571
  51. 3.06 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847635405$791
  52. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847635407$791
  53. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG847663978$791
  54. 3.03 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG825642668$589
  55. 3.03 Carat Marquise Lab-Grown Diamond, G SI2, IGI LG825655562$389
  56. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG836615878$752
  57. 3.50 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836615879$697
  58. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG836615881$617
  59. 3.50 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG840609457$1,100
  60. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG840609467$1,022