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

2,890 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. 6.55 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG834616416$1,459
  2. 6.09 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG834616419$1,421
  3. 7.05 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG837689031$2,414
  4. 6.02 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG837689032$1,862
  5. 6.52 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG837689034$2,234
  6. 8.50 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG837689051$1,970
  7. 5.01 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG835622048$1,218
  8. 5.02 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG835635144$1,218
  9. 5.03 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG835635146$1,218
  10. 5.08 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG835635147$1,218
  11. 6.51 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG833685420$2,506
  12. 5.10 Carat Cushion Lab-Grown Diamond, F VVS2, IGI LG833691084$953
  1. 5.18 Carat Cushion Lab-Grown Diamond, G VVS1, IGI LG644429213$3,035
  2. 5.02 Carat Cushion Lab-Grown Diamond, F IF, IGI LG647421708$6,293
  3. 5.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG669467832$6,538
  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$13,705
  7. 11.06 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG670459468$2,891
  8. 5.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG694508469$6,538
  9. 5.62 Carat Cushion Lab-Grown Diamond, G VS1, IGI LG606336326$1,271
  10. 12.88 Carat Cushion Lab-Grown Diamond, F VS1, IGI LG602308936$3,899
  11. 10.05 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG719545287$2,212
  12. 5.03 Carat Cushion Lab-Grown Diamond, D IF, IGI LG720556119$6,563
  13. 5.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG723569941$7,515
  14. 9.05 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG742536659$2,575
  15. 10.03 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1236255918$10,711
  16. 5.03 Carat Cushion Lab-Grown Diamond, E VS1, GIA 1236404790$2,454
  17. 5.07 Carat Cushion Lab-Grown Diamond, D VS1, GIA 1457820710$3,332
  18. 5.02 Carat Cushion Lab-Grown Diamond, E VS1, GIA 1459368398$2,046
  19. 9.01 Carat Cushion Lab-Grown Diamond, F VS2, GIA 1478948391$5,398
  20. 5.08 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1483101503$4,257
  21. 5.00 Carat Cushion Lab-Grown Diamond, G VS1, GIA 1488386427$1,702
  22. 9.02 Carat Cushion Lab-Grown Diamond, F VVS2, GIA 1488668782$12,866
  23. 5.23 Carat Cushion Lab-Grown Diamond, E VS1, GIA 1509925245$1,975
  24. 7.48 Carat Cushion Lab-Grown Diamond, E IF, GIA 1513549025$51,470
  25. 5.73 Carat Cushion Lab-Grown Diamond, D VVS2, GIA 1517555464$7,890
  26. 9.07 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1523984382$29,296
  27. 5.02 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1525314528$8,065
  28. 5.01 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1525501169$5,042
  29. 5.26 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1528353083$5,836
  30. 5.11 Carat Cushion Lab-Grown Diamond, F VVS2, GIA 1528877458$3,949
  31. 5.04 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1533529923$5,602
  32. 5.07 Carat Cushion Lab-Grown Diamond, D VVS2, GIA 1535183685$4,006
  33. 8.08 Carat Cushion Lab-Grown Diamond, D FL, GIA 1535735135$66,214
  34. 5.08 Carat Cushion Lab-Grown Diamond, E VVS2, GIA 1538239009$3,846
  35. 5.12 Carat Cushion Lab-Grown Diamond, D VVS2, GIA 1538488340$3,160
  36. 6.33 Carat Cushion Lab-Grown Diamond, D IF, GIA 1538529903$32,002
  37. 5.08 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1538725476$5,644
  38. 5.07 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1539113543$7,444
  39. 10.22 Carat Cushion Lab-Grown Diamond, H SI1, GIA 2235080646$3,507
  40. 8.61 Carat Cushion Lab-Grown Diamond, I VS1, GIA 2235095673$2,704
  41. 10.04 Carat Cushion Lab-Grown Diamond, F VS1, GIA 2235665589$10,721
  42. 5.34 Carat Cushion Lab-Grown Diamond, E VVS2, GIA 2454998529$3,764
  43. 5.04 Carat Cushion Lab-Grown Diamond, E VS1, GIA 2466494389$1,996
  44. 5.42 Carat Cushion Lab-Grown Diamond, E VVS1, GIA 2467163379$5,656
  45. 7.81 Carat Cushion Lab-Grown Diamond, F VS2, GIA 2476949930$3,031
  46. 5.54 Carat Cushion Lab-Grown Diamond, G VS1, GIA 2486496153$2,731
  47. 5.39 Carat Cushion Lab-Grown Diamond, F VS2, GIA 2487658409$3,930
  48. 5.11 Carat Cushion Lab-Grown Diamond, E VVS2, GIA 2496481895$3,962
  49. 5.06 Carat Cushion Lab-Grown Diamond, E VVS1, GIA 2506426595$5,322
  50. 5.60 Carat Cushion Lab-Grown Diamond, E VVS2, GIA 2506474277$4,217
  51. 5.04 Carat Cushion Lab-Grown Diamond, D VVS2, GIA 2506705772$6,940
  52. 5.49 Carat Cushion Lab-Grown Diamond, D IF, GIA 2514605801$10,877
  53. 8.03 Carat Cushion Lab-Grown Diamond, E IF, GIA 2516100465$47,887
  54. 5.32 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 2516110585$8,547
  55. 5.09 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 2516581167$8,177
  56. 5.42 Carat Cushion Lab-Grown Diamond, D IF, GIA 2516737495$18,551
  57. 5.00 Carat Cushion Lab-Grown Diamond, D VVS2, GIA 2516996749$3,882
  58. 7.02 Carat Cushion Lab-Grown Diamond, D IF, GIA 2517346207$31,650
  59. 9.10 Carat Cushion Lab-Grown Diamond, D IF, GIA 2518181304$57,558
  60. 5.01 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 2526239196$8,049