3 Carat Round Lab-Grown Diamonds

Shop certified 3 carat round 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 Round Lab-Grown Diamonds – Page 24

15,412 certified 3 carat round lab-grown diamonds in stock. Every stone ships free with its grading report; open any listing for the 360° view, full certificate and price.

  1. 3.63 Carat Round Lab-Grown Diamond, E VVS2, IGI LG621407757$917
  2. 3.92 Carat Round Lab-Grown Diamond, E IF, IGI LG626491771$1,952
  3. 3.28 Carat Round Lab-Grown Diamond, F IF, IGI LG627403954$835
  4. 3.66 Carat Round Lab-Grown Diamond, D VVS1, IGI LG627473078$1,261
  5. 3.63 Carat Round Lab-Grown Diamond, D VVS1, IGI LG628475929$1,050
  6. 3.40 Carat Round Lab-Grown Diamond, I IF, IGI LG629429211$865
  7. 3.63 Carat Round Lab-Grown Diamond, D VVS1, IGI LG630429191$1,250
  8. 3.35 Carat Round Lab-Grown Diamond, D IF, IGI LG631429209$1,105
  9. 3.86 Carat Round Lab-Grown Diamond, D IF, IGI LG631429210$2,037
  10. 3.42 Carat Round Lab-Grown Diamond, E IF, IGI LG631429505$997
  11. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG632445180$1,000
  12. 3.32 Carat Round Lab-Grown Diamond, E IF, IGI LG632452723$969
  13. 3.38 Carat Round Lab-Grown Diamond, E VVS1, IGI LG634491842$855
  14. 3.02 Carat Round Lab-Grown Diamond, E SI1, IGI LG636406317$412
  15. 3.61 Carat Round Lab-Grown Diamond, E VVS2, IGI LG636496158$913
  16. 3.17 Carat Round Lab-Grown Diamond, D IF, IGI LG639499432$1,047
  17. 3.25 Carat Round Lab-Grown Diamond, E IF, IGI LG643434945$949
  18. 3.05 Carat Round Lab-Grown Diamond, D VVS1, IGI LG643434946$798
  19. 3.64 Carat Round Lab-Grown Diamond, G VVS1, IGI LG644441862$865
  20. 3.62 Carat Round Lab-Grown Diamond, D VVS1, IGI LG646445239$1,247
  21. 3.76 Carat Round Lab-Grown Diamond, D VVS1, IGI LG649438723$1,295
  22. 3.05 Carat Round Lab-Grown Diamond, D VVS1, IGI LG656402847$798
  23. 3.03 Carat Round Lab-Grown Diamond, D VVS1, IGI LG657459441$794
  24. 3.42 Carat Round Lab-Grown Diamond, E IF, IGI LG657459715$997
  25. 3.07 Carat Round Lab-Grown Diamond, D IF, IGI LG658492832$1,015
  26. 3.52 Carat Round Lab-Grown Diamond, D VVS2, IGI LG668472995$917
  27. 3.02 Carat Round Lab-Grown Diamond, D VVS1, IGI LG673402878$791
  28. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG673402879$1,000
  29. 3.52 Carat Round Lab-Grown Diamond, D IF, IGI LG674520495$1,645
  30. 3.29 Carat Round Lab-Grown Diamond, D IF, IGI LG674520509$1,086
  31. 3.32 Carat Round Lab-Grown Diamond, D VVS1, IGI LG675531080$867
  32. 3.20 Carat Round Lab-Grown Diamond, D IF, IGI LG675580716$1,057
  33. 3.13 Carat Round Lab-Grown Diamond, D IF, IGI LG677527433$1,035
  34. 3.44 Carat Round Lab-Grown Diamond, D IF, IGI LG677527436$1,134
  35. 3.26 Carat Round Lab-Grown Diamond, D VVS1, IGI LG677527440$851
  36. 3.11 Carat Round Lab-Grown Diamond, D IF, IGI LG677550520$1,028
  37. 3.55 Carat Round Lab-Grown Diamond, D VVS1, IGI LG677571280$1,224
  38. 3.25 Carat Round Lab-Grown Diamond, D VVS1, IGI LG680585215$774
  39. 3.62 Carat Round Lab-Grown Diamond, D VVS1, IGI LG680585217$1,047
  40. 3.61 Carat Round Lab-Grown Diamond, D IF, IGI LG680585218$1,526
  41. 3.21 Carat Round Lab-Grown Diamond, D IF, IGI LG681523147$1,056
  42. 3.30 Carat Round Lab-Grown Diamond, D IF, IGI LG683536159$983
  43. 3.24 Carat Round Lab-Grown Diamond, D IF, IGI LG683579368$1,065
  44. 3.65 Carat Round Lab-Grown Diamond, D IF, IGI LG684511465$1,543
  45. 3.48 Carat Round Lab-Grown Diamond, E VS2, GIA 6505386553$988
  46. 3.02 Carat Round Lab-Grown Diamond, E SI2, IGI LG544282434$588
  47. 3.42 Carat Round Lab-Grown Diamond, E VS2, IGI LG600341746$506
  48. 3.82 Carat Round Lab-Grown Diamond, G VS2, IGI LG620483545$460
  49. 3.01 Carat Round Lab-Grown Diamond, D IF, GIA 3485386775$2,563
  50. 3.12 Carat Round Lab-Grown Diamond, J VS2, IGI LG497182061$432
  51. 3.05 Carat Round Lab-Grown Diamond, G SI2, IGI LG514269846$428
  52. 3.07 Carat Round Lab-Grown Diamond, G SI2, IGI LG528240790$431
  53. 3.03 Carat Round Lab-Grown Diamond, D VS2, IGI LG538270046$595
  54. 3.61 Carat Round Lab-Grown Diamond, G VS2, IGI LG570362167$12,275
  55. 3.70 Carat Round Lab-Grown Diamond, E VS2, IGI LG617479567$799
  56. 3.78 Carat Round Lab-Grown Diamond, G VS2, IGI LG620402846$456
  57. 3.78 Carat Round Lab-Grown Diamond, G VS2, IGI LG620427336$456
  58. 3.78 Carat Round Lab-Grown Diamond, G VS2, IGI LG620428096$456
  59. 3.01 Carat Round Lab-Grown Diamond, E SI1, IGI LG620458061$411
  60. 3.79 Carat Round Lab-Grown Diamond, G VS2, IGI LG620483526$457