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

8,981 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. 5.02 Carat Cushion Lab-Grown Diamond, F VVS2, IGI LG839627306$1,541
  2. 7.09 Carat Cushion Lab-Grown Diamond, F VVS2, IGI LG839627307$2,367
  3. 10.02 Carat Cushion Lab-Grown Diamond, F VVS2, IGI LG839627319$4,214
  4. 6.09 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG848694256$3,119
  5. 5.54 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG849648679$2,318
  6. 5.40 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG850680865$2,302
  7. 5.10 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG850686339$997
  8. 10.04 Carat Cushion Lab-Grown Diamond, D VVS2, IGI LG852639838$6,789
  9. 6.05 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG853640566$1,126
  10. 5.03 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG855607562$1,414
  11. 5.00 Carat Cushion Lab-Grown Diamond, E VVS2, IGI LG852633975$927
  12. 5.01 Carat Cushion Lab-Grown Diamond, D VS1, IGI LG852633978$1,047
  1. 5.02 Carat Cushion Lab-Grown Diamond, F IF, IGI LG647421708$5,069
  2. 5.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG669467832$5,727
  3. 6.15 Carat Cushion Lab-Grown Diamond, D IF, IGI LG593371964$9,306
  4. 6.08 Carat Cushion Lab-Grown Diamond, D IF, IGI LG685560541$11,677
  5. 11.06 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG670459468$2,807
  6. 5.52 Carat Cushion Lab-Grown Diamond, H VS2, GIA 6471339558$1,381
  7. 5.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG694508469$5,727
  8. 5.62 Carat Cushion Lab-Grown Diamond, G VS1, IGI LG606336326$1,271
  9. 14.02 Carat Cushion Lab-Grown Diamond, G VS1, IGI LG705523877$3,491
  10. 10.05 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG719545287$2,212
  11. 5.03 Carat Cushion Lab-Grown Diamond, D IF, IGI LG720556119$5,750
  12. 5.01 Carat Cushion Lab-Grown Diamond, D IF, IGI LG723569941$6,740
  13. 7.08 Carat Cushion Lab-Grown Diamond, F VVS2, IGI LG723587458$1,329
  14. 15.08 Carat Cushion Lab-Grown Diamond, F VS1, IGI LG736507158$5,193
  15. 15.02 Carat Cushion Lab-Grown Diamond, F VS1, IGI LG736507159$5,173
  16. 5.04 Carat Cushion Lab-Grown Diamond, F VS2, IGI LG728522982$841
  17. 9.05 Carat Cushion Lab-Grown Diamond, E VS1, IGI LG742536659$2,575
  18. 5.68 Carat Cushion Lab-Grown Diamond, H VS2, GIA 2225252676$1,420
  19. 5.37 Carat Cushion Lab-Grown Diamond, H VS1, GIA 2225252747$1,492
  20. 5.17 Carat Cushion Lab-Grown Diamond, G VS1, GIA 5476339464$1,612
  21. 5.32 Carat Cushion Lab-Grown Diamond, G VS2, GIA 1226304834$2,853
  22. 10.03 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1236255918$10,711
  23. 5.03 Carat Cushion Lab-Grown Diamond, E VS1, GIA 1236404790$2,454
  24. 5.07 Carat Cushion Lab-Grown Diamond, D VS1, GIA 1457820710$3,332
  25. 5.02 Carat Cushion Lab-Grown Diamond, E VS1, GIA 1459368398$2,046
  26. 5.09 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1468994680$3,053
  27. 9.01 Carat Cushion Lab-Grown Diamond, F VS2, GIA 1478948391$5,399
  28. 5.08 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1483101503$4,257
  29. 5.08 Carat Cushion Lab-Grown Diamond, F VS1, GIA 1488045958$3,280
  30. 5.00 Carat Cushion Lab-Grown Diamond, G VS1, GIA 1488386427$1,702
  31. 9.02 Carat Cushion Lab-Grown Diamond, F VVS2, GIA 1488668782$12,866
  32. 7.17 Carat Cushion Lab-Grown Diamond, F IF, GIA 1488813749$20,671
  33. 5.23 Carat Cushion Lab-Grown Diamond, E VS1, GIA 1509925245$1,623
  34. 7.48 Carat Cushion Lab-Grown Diamond, E IF, GIA 1513549025$51,470
  35. 5.73 Carat Cushion Lab-Grown Diamond, D VVS2, GIA 1517555464$7,306
  36. 8.01 Carat Cushion Lab-Grown Diamond, F VVS1, GIA 1523140241$29,957
  37. 9.07 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1523984382$29,296
  38. 5.02 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1525314528$7,937
  39. 5.26 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1528353083$5,836
  40. 5.11 Carat Cushion Lab-Grown Diamond, F VVS2, GIA 1528877458$3,949
  41. 5.04 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1533529923$5,602
  42. 8.08 Carat Cushion Lab-Grown Diamond, D FL, GIA 1535735135$66,214
  43. 5.08 Carat Cushion Lab-Grown Diamond, E VVS2, GIA 1538239009$3,867
  44. 6.33 Carat Cushion Lab-Grown Diamond, D IF, GIA 1538529903$32,002
  45. 5.08 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1538725476$5,644
  46. 5.07 Carat Cushion Lab-Grown Diamond, D VVS1, GIA 1539113543$8,817
  47. 5.63 Carat Cushion Lab-Grown Diamond, F VS2, GIA 2221298150$3,418
  48. 5.18 Carat Cushion Lab-Grown Diamond, G SI1, GIA 2223224536$2,603
  49. 5.03 Carat Cushion Lab-Grown Diamond, G VS2, GIA 2225206322$2,699
  50. 10.22 Carat Cushion Lab-Grown Diamond, H SI1, GIA 2235080646$3,507
  51. 8.61 Carat Cushion Lab-Grown Diamond, I VS1, GIA 2235095673$2,704
  52. 5.11 Carat Cushion Lab-Grown Diamond, D SI1, GIA 2235170172$143,577
  53. 10.04 Carat Cushion Lab-Grown Diamond, F VS1, GIA 2235665589$11,493
  54. 5.02 Carat Cushion Lab-Grown Diamond, G VS2, GIA 2437958648$2,694
  55. 5.34 Carat Cushion Lab-Grown Diamond, E VVS2, GIA 2454998529$3,764
  56. 5.42 Carat Cushion Lab-Grown Diamond, E VVS1, GIA 2467163379$5,656
  57. 7.81 Carat Cushion Lab-Grown Diamond, F VS2, GIA 2476949930$3,031
  58. 5.54 Carat Cushion Lab-Grown Diamond, G VS1, GIA 2486496153$2,731
  59. 5.39 Carat Cushion Lab-Grown Diamond, F VS2, GIA 2487658409$3,930
  60. 5.11 Carat Cushion Lab-Grown Diamond, E VVS2, GIA 2496481895$3,962