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 248

14,925 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. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG845664754$496
  2. 3.01 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846610356$550
  3. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610385$588
  4. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610398$591
  5. 3.02 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846610476$552
  6. 3.06 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610486$496
  7. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610715$494
  8. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610716$582
  9. 3.10 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847676299$1,086
  10. 3.09 Carat Marquise Lab-Grown Diamond, F VVS1, IGI LG847676300$710
  11. 3.10 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847676301$1,086
  12. 3.59 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847676302$1,001
  13. 3.59 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG847676306$1,001
  14. 3.60 Carat Marquise Lab-Grown Diamond, H VVS1, IGI LG847676310$762
  15. 3.57 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615201$617
  16. 3.10 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615202$650
  17. 3.04 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615205$531
  18. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615206$529
  19. 3.10 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG848615208$1,086
  20. 3.80 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG848615210$641
  21. 3.09 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG848615215$1,084
  22. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615216$638
  23. 3.59 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615218$711
  24. 3.56 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG848615239$1,086
  25. 3.01 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG848615240$525
  26. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848615242$645
  27. 3.59 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG848615245$1,001
  28. 3.77 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848676545$1,464
  29. 3.03 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848691087$584
  30. 3.07 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG848691088$591
  31. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849627124$692
  32. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849627125$701
  33. 3.05 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG849627126$701
  34. 3.05 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849627127$613
  35. 3.04 Carat Marquise Lab-Grown Diamond, D VVS2, IGI LG849627129$981
  36. 3.01 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG849627130$946
  37. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG849675652$1,210
  38. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG837697218$655
  39. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839682437$757
  40. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839694545$745
  41. 3.08 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG839694556$757
  42. 3.03 Carat Marquise Lab-Grown Diamond, E VVS1, IGI LG845619482$728
  43. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610355$580
  44. 3.03 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610374$491
  45. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610389$589
  46. 3.07 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610397$498
  47. 3.01 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610468$580
  48. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610482$494
  49. 3.05 Carat Marquise Lab-Grown Diamond, F VVS2, IGI LG846610487$494
  50. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610727$584
  51. 3.06 Carat Marquise Lab-Grown Diamond, E VVS2, IGI LG846610728$584
  52. 3.00 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847661619$497
  53. 3.70 Carat Marquise Lab-Grown Diamond, D VVS1, IGI LG848620720$1,595
  54. 3.50 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG846656837$557
  55. 3.47 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG846656944$676
  56. 3.04 Carat Marquise Lab-Grown Diamond, D VS1, IGI LG846656952$750
  57. 3.01 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847618581$510
  58. 3.10 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847618582$570
  59. 3.38 Carat Marquise Lab-Grown Diamond, F VS1, IGI LG847618907$580
  60. 3.06 Carat Marquise Lab-Grown Diamond, E VS1, IGI LG847618915$584