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

2,656 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. 3.88 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG742537543$1,959
  2. 3.73 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG747564457$855
  3. 3.51 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG747588136$769
  4. 3.52 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG747588138$890
  5. 3.10 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG747588152$1,025
  6. 3.56 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG749520510$1,882
  7. 3.03 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG752515614$522
  8. 3.84 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG754515254$692
  9. 3.51 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG755511461$921
  10. 3.50 Carat Marquise Lab-Grown Diamond, D VS2, IGI LG757538635$1,035
  11. 3.22 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG763616392$1,427
  12. 3.17 Carat Marquise Lab-Grown Diamond, D IF, IGI LG766601599$4,001
  13. 3.52 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG767611689$1,771
  14. 3.58 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG768614011$1,530
  15. 3.75 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG768687318$3,018
  16. 3.57 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG769664469$755
  17. 3.04 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG770621991$1,084
  18. 3.00 Carat Marquise Lab-Grown Diamond, F SI1, IGI LG778662141$456
  19. 3.18 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG779660032$1,919
  20. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG780665483$4,682
  21. 3.04 Carat Marquise Lab-Grown Diamond, D FL, IGI LG780665794$4,696
  22. 3.19 Carat Marquise Lab-Grown Diamond, D FL, IGI LG780665795$4,916
  23. 3.13 Carat Marquise Lab-Grown Diamond, E FL, IGI LG780665992$4,655
  24. 3.18 Carat Marquise Lab-Grown Diamond, D FL, IGI LG780665993$4,902
  25. 3.73 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG780688236$930
  26. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG780688238$834
  27. 3.02 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG781636540$521
  28. 3.81 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG781646693$1,641
  29. 3.99 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG782609091$1,184
  30. 3.99 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG782683270$2,521
  31. 3.07 Carat Marquise Lab-Grown Diamond, E IF, IGI LG783612175$2,087
  32. 3.52 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG783615355$617
  33. 3.06 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG783615459$489
  34. 3.09 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784604230$5,499
  35. 3.81 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG784629157$2,363
  36. 3.00 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642086$4,636
  37. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642088$4,682
  38. 3.05 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642089$4,711
  39. 3.53 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642090$6,720
  40. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642452$4,682
  41. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642615$4,652
  42. 3.08 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642616$4,754
  43. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642806$4,652
  44. 3.18 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784642808$4,902
  45. 3.04 Carat Marquise Lab-Grown Diamond, E FL, IGI LG784642964$4,526
  46. 3.18 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784644165$4,902
  47. 3.07 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784644333$4,740
  48. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645080$4,682
  49. 3.14 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645342$4,844
  50. 3.64 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645343$6,923
  51. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645687$4,652
  52. 3.03 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645688$4,682
  53. 3.10 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645689$4,784
  54. 3.10 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784645690$4,784
  55. 3.01 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646273$4,652
  56. 3.04 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646274$4,457
  57. 3.15 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646275$4,858
  58. 3.00 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646953$4,636
  59. 3.15 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646955$4,858
  60. 3.29 Carat Marquise Lab-Grown Diamond, D FL, IGI LG784646956$5,066