3 Carat Cushion Lab-Grown Diamonds

Shop certified 3 carat cushion 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 Cushion Lab-Grown Diamonds

7,450 certified 3 carat cushion lab-grown diamonds in stock. Every stone ships free with its grading report; open any listing for the 360° view, full certificate and price.

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  1. 3.51 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG833690231$808
  2. 3.66 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG834616417$717
  3. 3.02 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG834616421$608
  4. 3.55 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG838608558$3,031
  5. 3.03 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG835622038$609
  6. 3.20 Carat Cushion Lab-Grown Diamond, D VS1, IGI LG835622039$882
  7. 3.01 Carat Cushion Lab-Grown Diamond, D VS1, IGI LG835635122$669
  8. 3.59 Carat Cushion Lab-Grown Diamond, D VS1, IGI LG836664200$984
  9. 3.52 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG836624337$1,816
  10. 3.04 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG836625075$606
  11. 3.00 Carat Cushion Lab-Grown Diamond, D VS1, IGI LG836691204$594
  12. 3.02 Carat Cushion Lab-Grown Diamond, D VS1, IGI LG837628705$745
  1. 3.03 Carat Cushion Lab-Grown Diamond, E IF, IGI LG638468007$1,806
  2. 3.12 Carat Cushion Lab-Grown Diamond, D IF, IGI LG641410173$1,891
  3. 3.06 Carat Cushion Lab-Grown Diamond, E IF, IGI LG655440920$1,824
  4. 3.77 Carat Cushion Lab-Grown Diamond, D IF, IGI LG670424516$3,269
  5. 3.04 Carat Cushion Lab-Grown Diamond, D IF, IGI LG670484774$2,103
  6. 3.04 Carat Cushion Lab-Grown Diamond, D IF, IGI LG654419690$2,103
  7. 3.53 Carat Cushion Lab-Grown Diamond, D IF, IGI LG666429903$3,063
  8. 3.57 Carat Cushion Lab-Grown Diamond, D IF, IGI LG671447970$3,097
  9. 3.00 Carat Cushion Lab-Grown Diamond, D IF, IGI LG673408341$2,075
  10. 3.08 Carat Cushion Lab-Grown Diamond, D IF, IGI LG673408343$2,129
  11. 3.59 Carat Cushion Lab-Grown Diamond, D IF, IGI LG678541975$3,115
  12. 3.28 Carat Cushion Lab-Grown Diamond, G vs1, gia 2456180401$1,028
  13. 3.23 Carat Cushion Lab-Grown Diamond, G vs1, gia 2454633235$1,012
  14. 3.37 Carat Cushion Lab-Grown Diamond, F vs1, gia 7478702048$1,083
  15. 3.03 Carat Cushion Lab-Grown Diamond, G si1, gia 7453695099$930
  16. 3.14 Carat Cushion Lab-Grown Diamond, F vs2, gia 1488103601$994
  17. 3.2 Carat Cushion Lab-Grown Diamond, G vs2, gia 2454189402$992
  18. 3.28 Carat Cushion Lab-Grown Diamond, E si1, gia 2476062182$1,049
  19. 3.64 Carat Cushion Lab-Grown Diamond, E si1, gia 2477443229$1,193
  20. 3.17 Carat Cushion Lab-Grown Diamond, F vs2, gia 5476470742$1,003
  21. 3.07 Carat Cushion Lab-Grown Diamond, G si1, gia 6452213825$942
  22. 3.13 Carat Cushion Lab-Grown Diamond, E si1, gia 6472231384$1,001
  23. 3.21 Carat Cushion Lab-Grown Diamond, G si1, gia 1459199399$985
  24. 3.09 Carat Cushion Lab-Grown Diamond, G vs2, gia 2457595680$958
  25. 3.18 Carat Cushion Lab-Grown Diamond, D IF, IGI LG668446482$3,181
  26. 3.00 Carat Cushion Lab-Grown Diamond, D IF, IGI LG674523385$1,649
  27. 3.37 Carat Cushion Lab-Grown Diamond, G vs1, gia 2476924002$1,056
  28. 3.37 Carat Cushion Lab-Grown Diamond, G vs2, gia 2457424828$1,045
  29. 3.81 Carat Cushion Lab-Grown Diamond, D IF, IGI LG694508484$2,454
  30. 3.06 Carat Cushion Lab-Grown Diamond, E vs2, gia 2476736612$988
  31. 3.09 Carat Cushion Lab-Grown Diamond, F vs2, gia 6475288329$978
  32. 3.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG705509695$1,693
  33. 3.26 Carat Cushion Lab-Grown Diamond, D IF, IGI LG706522010$2,544
  34. 3.28 Carat Cushion Lab-Grown Diamond, D IF, IGI LG706576045$2,073
  35. 3.40 Carat Cushion Lab-Grown Diamond, D IF, IGI LG706522011$2,149
  36. 3.29 Carat Cushion Lab-Grown Diamond, D IF, IGI LG706576049$2,296
  37. 3.05 Carat Cushion Lab-Grown Diamond, D IF, IGI LG708567339$1,715
  38. 3.00 Carat Cushion Lab-Grown Diamond, D IF, IGI LG710572101$1,687
  39. 3.02 Carat Cushion Lab-Grown Diamond, D IF, IGI LG710508516$1,698
  40. 3.79 Carat Cushion Lab-Grown Diamond, D IF, IGI LG710578908$3,286
  41. 3.80 Carat Cushion Lab-Grown Diamond, D IF, IGI LG712567644$2,863
  42. 3.01 Carat Cushion Lab-Grown Diamond, F vs2, gia 6472877395$953
  43. 3.26 Carat Cushion Lab-Grown Diamond, D IF, IGI LG715597481$2,062
  44. 3.70 Carat Cushion Lab-Grown Diamond, D IF, IGI LG715575635$3,209
  45. 3.51 Carat Cushion Lab-Grown Diamond, D IF, IGI LG719540116$2,646
  46. 3.53 Carat Cushion Lab-Grown Diamond, D VVS1, IGI LG719540130$1,371
  47. 3.05 Carat Cushion Lab-Grown Diamond, D IF, IGI LG719540133$1,715
  48. 3.24 Carat Cushion Lab-Grown Diamond, F si1, gia 1469796369$1,020
  49. 3.29 Carat Cushion Lab-Grown Diamond, E si1, gia 2466917835$1,052
  50. 3.03 Carat Cushion Lab-Grown Diamond, G VS1, GIA 7468769290$854
  51. 3.02 Carat Cushion Lab-Grown Diamond, F si1, gia 2468558704$951
  52. 3.19 Carat Cushion Lab-Grown Diamond, D IF, IGI LG720556114$1,978
  53. 3.59 Carat Cushion Lab-Grown Diamond, D IF, IGI LG720556120$2,988
  54. 3.82 Carat Cushion Lab-Grown Diamond, D IF, IGI LG722507915$2,878
  55. 3.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG722507918$1,693
  56. 3.78 Carat Cushion Lab-Grown Diamond, D IF, IGI LG722578725$3,277
  57. 3.27 Carat Cushion Lab-Grown Diamond, D IF, IGI LG723515910$2,068
  58. 3.02 Carat Cushion Lab-Grown Diamond, D IF, IGI LG723515911$1,698
  59. 3.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG723515912$1,693
  60. 3.02 Carat Cushion Lab-Grown Diamond, D IF, IGI LG723515913$1,698