5 Carat and Up Cushion Lab-Grown Diamonds

Shop certified 5 carat and up 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 5 Carat and Up Cushion Lab-Grown Diamonds

5,340 certified 5 carat and up 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. 5.51 Carat Cushion Lab-Grown Diamond, H VS1, IGI LG600372501$963
  2. 5.00 Carat Cushion Lab-Grown Diamond, F VS2, IGI LG652419198$1,046
  3. 5.05 Carat Cushion Lab-Grown Diamond, E VVS1, IGI LG817691439$1,635
  4. 5.00 Carat Cushion Lab-Grown Diamond, E VS2, IGI LG844683914$749
  5. 5.00 Carat Cushion Lab-Grown Diamond, F VS1, IGI LG844683918$783
  6. 5.04 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG847663893$967
  7. 5.06 Carat Cushion Lab-Grown Diamond, F VS1, IGI LG847664026$774
  8. 5.03 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG847686296$1,646
  9. 5.15 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG772608941$1,652
  10. 5.08 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG844614060$889
  11. 5.07 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG846648450$949
  12. 5.39 Carat Cushion Lab-Grown Diamond, F VS1, IGI LG847664030$1,169
  1. 5.18 Carat Cushion Lab-Grown Diamond, G VVS1, IGI LG644429213$2,458
  2. 5.02 Carat Cushion Lab-Grown Diamond, F IF, IGI LG647421708$5,069
  3. 5.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG669467832$5,727
  4. 6.15 Carat Cushion Lab-Grown Diamond, D IF, IGI LG593371964$9,306
  5. 10.07 Carat Cushion Lab-Grown Diamond, D VVS1, IGI 628401542$13,013
  6. 6.08 Carat Cushion Lab-Grown Diamond, D IF, IGI LG685560541$11,677
  7. 11.06 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG670459468$2,807
  8. 5.52 Carat Cushion Lab-Grown Diamond, H VS2, GIA 6471339558$1,381
  9. 5.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG694508469$5,727
  10. 5.62 Carat Cushion Lab-Grown Diamond, G VS1, IGI LG606336326$1,271
  11. 12.88 Carat Cushion Lab-Grown Diamond, F VS1, IGI LG602308936$3,899
  12. 14.02 Carat Cushion Lab-Grown Diamond, G VS1, IGI LG705523877$3,491
  13. 10.05 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG719545287$2,212
  14. 5.03 Carat Cushion Lab-Grown Diamond, D IF, IGI LG720556119$5,750
  15. 5.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG723569941$6,740
  16. 7.08 Carat Cushion Lab-Grown Diamond, F VVS2, IGI LG723587458$1,329
  17. 15.08 Carat Cushion Lab-Grown Diamond, F VS1, IGI LG736507158$5,193
  18. 15.02 Carat Cushion Lab-Grown Diamond, F VS1, IGI LG736507159$5,173
  19. 5.52 Carat Cushion Lab-Grown Diamond, E VS2, IGI LG741570003$952
  20. 5.04 Carat Cushion Lab-Grown Diamond, F VS2, IGI LG728522982$841
  21. 9.05 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG742536659$2,575
  22. 5.68 Carat Cushion Lab-Grown Diamond, H VS2, GIA 2225252676$1,420
  23. 5.37 Carat Cushion Lab-Grown Diamond, H VS1, GIA 2225252747$1,492
  24. 5.17 Carat Cushion Lab-Grown Diamond, G VS1, GIA 5476339464$1,612
  25. 5.32 Carat Cushion Lab-Grown Diamond, G VS2, GIA 1226304834$2,853
  26. 10.03 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1236255918$10,711
  27. 5.03 Carat Cushion Lab-Grown Diamond, E VS1, GIA 1236404790$2,454
  28. 5.07 Carat Cushion Lab-Grown Diamond, D VS1, GIA 1457820710$3,332
  29. 5.02 Carat Cushion Lab-Grown Diamond, E VS1, GIA 1459368398$2,046
  30. 5.09 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1468994680$3,053
  31. 9.01 Carat Cushion Lab-Grown Diamond, F VS2, GIA 1478948391$5,398
  32. 5.08 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1483101503$4,257
  33. 5.00 Carat Cushion Lab-Grown Diamond, G VS1, GIA 1488386427$1,702
  34. 9.02 Carat Cushion Lab-Grown Diamond, F VVS2, GIA 1488668782$12,866
  35. 7.17 Carat Cushion Lab-Grown Diamond, F IF, GIA 1488813749$20,671
  36. 5.23 Carat Cushion Lab-Grown Diamond, E VS1, GIA 1509925245$1,975
  37. 7.48 Carat Cushion Lab-Grown Diamond, E IF, GIA 1513549025$51,470
  38. 5.73 Carat Cushion Lab-Grown Diamond, D VVS2, GIA 1517555464$7,306
  39. 9.07 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1523984382$29,296
  40. 5.02 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1525314528$7,937
  41. 5.01 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1525501169$5,664
  42. 5.26 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1528353083$5,836
  43. 5.11 Carat Cushion Lab-Grown Diamond, F VVS2, GIA 1528877458$3,949
  44. 5.04 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1533529923$5,602
  45. 8.08 Carat Cushion Lab-Grown Diamond, D FL, GIA 1535735135$66,214
  46. 5.08 Carat Cushion Lab-Grown Diamond, E VVS2, GIA 1538239009$3,846
  47. 6.33 Carat Cushion Lab-Grown Diamond, D IF, GIA 1538529903$32,002
  48. 5.08 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1538725476$5,644
  49. 5.07 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1539113543$7,342
  50. 5.63 Carat Cushion Lab-Grown Diamond, F VS2, GIA 2221298150$3,418
  51. 5.18 Carat Cushion Lab-Grown Diamond, G SI1, GIA 2223224536$2,603
  52. 5.03 Carat Cushion Lab-Grown Diamond, G VS2, GIA 2225206322$2,699
  53. 10.22 Carat Cushion Lab-Grown Diamond, H SI1, GIA 2235080646$3,507
  54. 8.61 Carat Cushion Lab-Grown Diamond, I VS1, GIA 2235095673$2,704
  55. 5.11 Carat Cushion Lab-Grown Diamond, D SI1, GIA 2235170172$140,820
  56. 10.04 Carat Cushion Lab-Grown Diamond, F VS1, GIA 2235665589$10,721
  57. 5.02 Carat Cushion Lab-Grown Diamond, G VS2, GIA 2437958648$2,694
  58. 5.34 Carat Cushion Lab-Grown Diamond, E VVS2, GIA 2454998529$3,764
  59. 5.04 Carat Cushion Lab-Grown Diamond, E VS1, GIA 2466494389$2,159
  60. 5.42 Carat Cushion Lab-Grown Diamond, E VVS1, GIA 2467163379$5,656