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 289

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. 3.08 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853642484$1,026
  2. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853642485$541
  3. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853642496$546
  4. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853667253$538
  5. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG853667196$596
  6. 3.04 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG853642476$525
  7. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853667195$538
  8. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853667262$541
  9. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853667202$536
  10. 3.16 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG853667252$596
  11. 3.72 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG853642459$581
  12. 3.25 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG853642503$517
  13. 3.03 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG853644916$523
  14. 3.07 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG853644833$415
  15. 3.06 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG853644917$528
  16. 3.01 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG853642475$515
  17. 3.03 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG853642499$518
  18. 3.23 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG850694946$645
  19. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850694498$587
  20. 3.95 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG850694486$621
  21. 3.76 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG851606934$629
  22. 3.88 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG851621431$611
  23. 3 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG850693359$586
  24. 3.94 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG851623354$607
  25. 3.03 Carat Marquise Lab-Grown Diamond, F VS2, IGI LG850683507$513
  26. 3.01 Carat Marquise Lab-Grown Diamond, G VS2, IGI LG851662176$398
  27. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611217$568
  28. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611219$568
  29. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611220$491
  30. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611221$568
  31. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611228$570
  32. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611229$573
  33. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611230$487
  34. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611231$570
  35. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611232$487
  36. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611233$487
  37. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611234$487
  38. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846611236$487
  39. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611238$566
  40. 3.09 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611247$574
  41. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853656406$570
  42. 3.03 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG731579398$2,135
  43. 3.02 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG836666964$735
  44. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846611237$570
  45. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846695047$617
  46. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG851664491$636
  47. 3.01 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG851697102$487
  48. 3 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846644751$554
  49. 3.06 Carat Marquise Lab-Grown Diamond, D IF, IGI LG835696783$5,150
  50. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG836666898$865
  51. 3.00 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG836666954$731
  52. 3.06 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG842620947$743
  53. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG845656013$732
  54. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846638000$654
  55. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849605660$554
  56. 3.00 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG831606511$857
  57. 3.60 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG845670718$967
  58. 3.1 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853653506$571
  59. 3.01 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG749523815$1,595
  60. 3.07 Carat Marquise Lab-Grown Diamond, D IF, IGI LG844617817$3,041