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 300

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. 3.20 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845652547$598
  2. 3.00 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG845655321$561
  3. 3.07 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846640377$630
  4. 3.04 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847623318$568
  5. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG851619191$882
  6. 3.02 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG851623721$603
  7. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG853653440$538
  8. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG853694745$511
  9. 3.02 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG854641645$490
  10. 3.54 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG834605781$1,174
  11. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, GCAL 361986524$1,527
  12. 3.06 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG847636431$962
  13. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847690479$678
  14. 3.10 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848604475$738
  15. 3.05 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848669469$959
  16. 3.57 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848669562$1,449
  17. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848669563$736
  18. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848669564$725
  19. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848669565$587
  20. 3.10 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848694196$974
  21. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848694197$736
  22. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848694198$722
  23. 3.05 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849676705$830
  24. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849676706$550
  25. 3.05 Carat Marquise Lab-Grown Diamond, E IF, IGI LG849676708$1,618
  26. 3.04 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849676715$827
  27. 3.00 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG853621067$487
  28. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853621092$673
  29. 3.51 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG853621098$595
  30. 3.53 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG853629652$1,407
  31. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG853629655$871
  32. 3.04 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG853629715$687
  33. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853629719$566
  34. 3.55 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG853629724$668
  35. 3.00 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG853643488$486
  36. 3.02 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG853694719$704
  37. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854608510$865
  38. 3.50 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854627694$623
  39. 3.02 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG854641581$511
  40. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854666343$543
  41. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854666349$762
  42. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854666353$547
  43. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854666356$540
  44. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854666359$546
  45. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854666360$543
  46. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854666363$741
  47. 3.03 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854666364$748
  48. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854666365$546
  49. 3.09 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854666366$762
  50. 3.01 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG854666372$631
  51. 3.03 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854666374$538
  52. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854666376$741
  53. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854666713$547
  54. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854666715$553
  55. 3.08 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG854666716$546
  56. 3.06 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG854699930$1,065
  57. 3.00 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854699931$741
  58. 3.07 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG854699934$757
  59. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854699937$547
  60. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG854699943$543