4 Carat Cushion Lab-Grown Diamonds

Shop certified 4 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 4 Carat Cushion Lab-Grown Diamonds

5,121 certified 4 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. 4.02 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG813657218$1,813
  2. 4.00 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG843685613$910
  3. 4.00 Carat Cushion Lab-Grown Diamond, F VS1, IGI LG844683969$640
  4. 4.92 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG845670790$888
  5. 4.59 Carat Cushion Lab-Grown Diamond, F VVS2, IGI LG845670797$729
  6. 4.47 Carat Cushion Lab-Grown Diamond, D VVS1, IGI LG846643427$1,452
  7. 4.14 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG781641563$1,065
  8. 4.16 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG784667377$1,071
  9. 4.02 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG784667382$1,036
  10. 4.01 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG846642868$1,400
  11. 4.02 Carat Cushion Lab-Grown Diamond, E VVS1, IGI LG846642869$1,268
  12. 4.09 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG836621592$779
  1. 4.04 Carat Cushion Lab-Grown Diamond, G IF, IGI LG602388102$3,079
  2. 4.06 Carat Cushion Lab-Grown Diamond, D IF, IGI LG630443033$3,055
  3. 4.08 Carat Cushion Lab-Grown Diamond, H VVS2, IGI LG567362946$766
  4. 4.10 Carat Cushion Lab-Grown Diamond, H VVS2, IGI LG571383655$763
  5. 4.59 Carat Cushion Lab-Grown Diamond, E VS1, GIA 2487532070$2,325
  6. 4.87 Carat Cushion Lab-Grown Diamond, D IF, IGI LG685560540$6,111
  7. 4.80 Carat Cushion Lab-Grown Diamond, D IF, IGI LG685560557$6,026
  8. 4.03 Carat Cushion Lab-Grown Diamond, F vs1, gia 7481487310$2,154
  9. 4.84 Carat Cushion Lab-Grown Diamond, G vvs2, gia 2487487289$2,697
  10. 4.04 Carat Cushion Lab-Grown Diamond, F si1, gia 6481162033$2,120
  11. 4.35 Carat Cushion Lab-Grown Diamond, D FL, GIA 6512642550$13,069
  12. 4.07 Carat Cushion Lab-Grown Diamond, D IF, IGI LG694583146$3,580
  13. 4.05 Carat Cushion Lab-Grown Diamond, D IF, IGI LG698584958$3,048
  14. 4.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG706522015$3,017
  15. 4.18 Carat Cushion Lab-Grown Diamond, D IF, IGI LG706576048$3,466
  16. 4.16 Carat Cushion Lab-Grown Diamond, D VVS1, IGI LG712591447$3,504
  17. 4.23 Carat Cushion Lab-Grown Diamond, D VVS1, IGI LG715527263$1,756
  18. 4.02 Carat Cushion Lab-Grown Diamond, D IF, IGI LG719540134$3,339
  19. 4.50 Carat Cushion Lab-Grown Diamond, D IF, IGI LG719540135$5,582
  20. 4.14 Carat Cushion Lab-Grown Diamond, D IF, IGI LG720556115$3,112
  21. 4.10 Carat Cushion Lab-Grown Diamond, D IF, IGI LG720556118$3,405
  22. 4.51 Carat Cushion Lab-Grown Diamond, D IF, IGI LG720597285$5,523
  23. 4.04 Carat Cushion Lab-Grown Diamond, D IF, IGI LG727565054$6,898
  24. 4.49 Carat Cushion Lab-Grown Diamond, D IF, IGI LG731566881$3,324
  25. 4.61 Carat Cushion Lab-Grown Diamond, D IF, IGI LG737556774$5,523
  26. 4.18 Carat Cushion Lab-Grown Diamond, G VS2, IGI LG659428460$703
  27. 4.29 Carat Cushion Lab-Grown Diamond, G VS1, IGI LG659428461$720
  28. 4.54 Carat Cushion Lab-Grown Diamond, G VS2, GIA 2474339669$1,224
  29. 4.53 Carat Cushion Lab-Grown Diamond, G VS2, GIA 5222252686$1,222
  30. 4.10 Carat Cushion Lab-Grown Diamond, H VS1, GIA 1473814548$1,327
  31. 4.04 Carat Cushion Lab-Grown Diamond, H VS1, GIA 1475790402$1,308
  32. 4.02 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1475942573$2,152
  33. 4.54 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1505777867$3,639
  34. 4.01 Carat Cushion Lab-Grown Diamond, D VVS2, GIA 1507839128$2,507
  35. 4.02 Carat Cushion Lab-Grown Diamond, H VS2, GIA 1508987355$2,444
  36. 4.66 Carat Cushion Lab-Grown Diamond, D IF, GIA 1509472292$11,800
  37. 4.68 Carat Cushion Lab-Grown Diamond, D FL, GIA 1509527647$24,386
  38. 4.08 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1513504850$4,092
  39. 4.49 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1513885989$3,456
  40. 4.07 Carat Cushion Lab-Grown Diamond, D VVS2, GIA 1513896979$2,809
  41. 4.04 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1515896973$4,052
  42. 4.64 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1517721350$5,837
  43. 4.01 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1518624967$4,022
  44. 4.02 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1523080635$3,798
  45. 4.1 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1523080683$4,524
  46. 4.71 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1523080863$5,925
  47. 4.16 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1523352968$3,218
  48. 4.09 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1523442760$4,102
  49. 4.09 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1523442766$4,102
  50. 4.55 Carat Cushion Lab-Grown Diamond, E VVS2, GIA 1523485171$3,060
  51. 4.16 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1523837821$2,534
  52. 4.27 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1525315029$4,711
  53. 4.05 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1525422468$2,909
  54. 4.57 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1527080894$5,316
  55. 4.07 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1527140175$3,843
  56. 4.05 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1527294942$3,195
  57. 4.02 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1528080660$4,032
  58. 4.36 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1528140292$4,099
  59. 4.08 Carat Cushion Lab-Grown Diamond, E VVS1, GIA 1528140348$3,530
  60. 4.04 Carat Cushion Lab-Grown Diamond, D VVS2, GIA 1528384610$2,788