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 5

18,141 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. 3.75 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG768687318$1,932
  2. 3.57 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG769664469$755
  3. 3.04 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG770621991$1,033
  4. 3.18 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG779660032$1,882
  5. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG780665483$4,682
  6. 3.04 Carat Marquise Lab-Grown Diamond, D FL, IGI LG780665794$4,696
  7. 3.19 Carat Marquise Lab-Grown Diamond, D FL, IGI LG780665795$4,916
  8. 3.13 Carat Marquise Lab-Grown Diamond, E FL, IGI LG780665992$4,655
  9. 3.18 Carat Marquise Lab-Grown Diamond, D FL, IGI LG780665993$4,902
  10. 3.73 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG780688236$930
  11. 3.02 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG781636540$518
  12. 3.81 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG781646693$1,781
  13. 3.99 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG782609091$1,184
  14. 3.99 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG782683270$2,425
  15. 3.52 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG783615355$613
  16. 3.06 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG783615459$489
  17. 3.09 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784604230$4,656
  18. 3.81 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG784629157$2,317
  19. 3.00 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642086$4,636
  20. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642088$4,682
  21. 3.05 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642089$4,711
  22. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642452$4,682
  23. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642615$4,652
  24. 3.08 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642616$4,754
  25. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642806$4,652
  26. 3.18 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642808$4,902
  27. 3.04 Carat Marquise Lab-Grown Diamond, E FL, IGI LG784642964$4,526
  28. 3.07 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784644333$4,740
  29. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645080$4,682
  30. 3.14 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645342$4,844
  31. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645687$4,652
  32. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645688$4,682
  33. 3.10 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645689$4,784
  34. 3.10 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645690$4,784
  35. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646273$4,652
  36. 3.04 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646274$4,457
  37. 3.15 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646275$4,858
  38. 3.00 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646953$4,636
  39. 3.15 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646955$4,858
  40. 3.29 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646956$5,066
  41. 3.55 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646957$6,756
  42. 3.20 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG784670321$581
  43. 3.42 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG784682539$655
  44. 3.20 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG786695705$581
  45. 3.56 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG787654661$638
  46. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG787666757$1,329
  47. 3.25 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG787675412$493
  48. 3.54 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG788672139$640
  49. 3.06 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790611961$3,912
  50. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790611989$3,875
  51. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790612027$5,086
  52. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790612029$4,250
  53. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG790678827$1,023
  54. 3.72 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG790681177$661
  55. 3.73 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG790698115$1,028
  56. 3.72 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG791629211$661
  57. 3.83 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG791652589$650
  58. 3.74 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG792685606$932
  59. 3.35 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG793604083$1,981
  60. 3.95 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG793621317$1,420