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 6

11,789 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. 3.18 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784644165$4,902
  2. 3.07 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784644333$4,740
  3. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645080$4,682
  4. 3.14 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645342$4,844
  5. 3.64 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645343$6,923
  6. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645687$4,652
  7. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645688$4,682
  8. 3.10 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645689$4,784
  9. 3.10 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645690$4,784
  10. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646273$4,652
  11. 3.04 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646274$4,457
  12. 3.15 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646275$4,858
  13. 3.00 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646953$4,636
  14. 3.15 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646955$4,858
  15. 3.29 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646956$5,066
  16. 3.55 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646957$6,756
  17. 3.20 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG784670321$655
  18. 3.42 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG784682539$655
  19. 3.69 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG784691015$633
  20. 3.20 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG786695705$655
  21. 3.56 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG787654661$651
  22. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG787666757$1,329
  23. 3.25 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG787675412$493
  24. 3.54 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG788672139$651
  25. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790611960$5,355
  26. 3.06 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790611961$4,466
  27. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790611989$4,424
  28. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790612027$5,086
  29. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG790612029$4,852
  30. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG790678827$1,023
  31. 3.72 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG790681177$661
  32. 3.73 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG790698115$1,028
  33. 3.79 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG791629191$661
  34. 3.72 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG791629211$661
  35. 3.83 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG791652589$662
  36. 3.74 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG792685606$932
  37. 3.35 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG793604083$2,020
  38. 3.55 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG793608090$711
  39. 3.95 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG793621317$1,420
  40. 3.50 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG793638027$707
  41. 3.73 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG793638890$1,404
  42. 3.65 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG793640359$1,179
  43. 3.01 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG794614250$529
  44. 3.50 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG794646520$655
  45. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG794654398$980
  46. 3.56 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG794683638$713
  47. 3.55 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG794687195$1,501
  48. 3.21 Carat Marquise Lab-Grown Diamond, E FL, IGI LG794697191$4,365
  49. 3.45 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG795607747$1,903
  50. 3.54 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG795646476$1,870
  51. 3.87 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG797619979$2,190
  52. 3.38 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG798606064$1,140
  53. 3.75 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG798606066$1,894
  54. 3.08 Carat Marquise Lab-Grown Diamond, D FL, IGI LG799676666$4,858
  55. 3.02 Carat Marquise Lab-Grown Diamond, D FL, IGI LG799676679$4,868
  56. 3.20 Carat Marquise Lab-Grown Diamond, D FL, IGI LG799676793$4,467
  57. 3.81 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG800676322$1,122
  58. 3.10 Carat Marquise Lab-Grown Diamond, D FL, IGI LG800677554$4,784
  59. 3.04 Carat Marquise Lab-Grown Diamond, D FL, IGI LG800684554$4,696
  60. 3.20 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG801610032$1,841