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 3

2,566 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. 3.1 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG749547294$1,186
  2. 3.09 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG749580503$1,182
  3. 3.04 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG749590696$904
  4. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG749593384$571
  5. 3.57 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG746512388$755
  6. 3.51 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG749568016$888
  7. 3.52 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG749587148$907
  8. 3.07 Carat Marquise Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG735530778$811
  9. 3.48 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG756502690$1,094
  10. 3.01 Carat Marquise Lab-Grown Diamond, E SI1, GIA 5506831888$1,515
  11. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG752580740$571
  12. 3.04 Carat Marquise Lab-Grown Diamond, D VVS2, GCAL 352730121$2,827
  13. 3.09 Carat Marquise Lab-Grown Diamond, D IF, GCAL 352786029$7,668
  14. 3.02 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG685595674$559
  15. 3.01 Carat Marquise Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG737521691$795
  16. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG747507628$1,039
  17. 3.07 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG750571854$1,060
  18. 3.08 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG747572455$594
  19. 3.05 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG747572775$510
  20. 3.17 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG757539710$1,482
  21. 3.09 Carat Marquise Lab-Grown Diamond, D IF, IGI LG744513922$3,918
  22. 3 Carat Marquise Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG718509441$960
  23. 3.85 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG758576973$1,473
  24. 3.52 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG755511486$1,945
  25. 3.14 Carat Marquise Lab-Grown Diamond, E IF, IGI LG749573311$2,336
  26. 3.67 Carat Marquise Lab-Grown Diamond, E IF, IGI LG750588667$2,904
  27. 3.02 Carat Marquise Lab-Grown Diamond, D FL, IGI LG744514734$4,666
  28. 3.06 Carat Marquise Lab-Grown Diamond, E VS2, IGI LG763668576$522
  29. 3.26 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG763668579$609
  30. 3.73 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG761563647$1,427
  31. 3.08 Carat Marquise Lab-Grown Diamond, E IF, IGI LG760507324$2,243
  32. 3.08 Carat Marquise Lab-Grown Diamond, H VVS1, IGI LG751516634$429
  33. 3.01 Carat Marquise Lab-Grown Diamond, D VVS2, GCAL 352776005$2,799
  34. 3.02 Carat Marquise Lab-Grown Diamond, D IF, IGI LG744514977$3,834
  35. 3.63 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG764656720$1,588
  36. 3.61 Carat Marquise Lab-Grown Diamond, G VS1, GIA 1473815776$2,197
  37. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG512220477$2,408
  38. 3.04 Carat Marquise Lab-Grown Diamond, E IF, IGI LG747574787$2,215
  39. 3.51 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG765611740$1,810
  40. 3.59 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG752514954$1,492
  41. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG768625000$1,464
  42. 3.54 Carat Marquise Lab-Grown Diamond, G VVS2, IGI LG766616918$515
  43. 3.89 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG666415312$958
  44. 3.26 Carat Marquise Lab-Grown Diamond, D IF, IGI LG754508919$4,649
  45. 3.51 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG758555110$1,455
  46. 3.73 Carat Marquise Lab-Grown Diamond, E IF, IGI LG761513410$4,369
  47. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG766607585$571
  48. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG768641356$571
  49. 3.46 Carat Marquise Lab-Grown Diamond, D IF, IGI LG769664467$4,900
  50. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG770655224$1,484
  51. 3.32 Carat Marquise Lab-Grown Diamond, D IF, IGI LG754594410$4,193
  52. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG768643677$571
  53. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG768643796$571
  54. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG772636914$1,478
  55. 3.34 Carat Marquise Lab-Grown Diamond, D IF, IGI LG771645349$8,238
  56. 3.57 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG772653566$846
  57. 3.20 Carat Marquise Lab-Grown Diamond, E IF, IGI LG755514266$2,184
  58. 3.26 Carat Marquise Lab-Grown Diamond, D IF, IGI LG754563421$7,049
  59. 3.04 Carat Marquise Lab-Grown Diamond, G VS1, IGI LG760573271$431
  60. 3.54 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG764615915$1,228