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

14,369 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.

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  1. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG837651454$523
  2. 3.03 Carat Round Lab-Grown Diamond, D VVS2, IGI LG837640276$672
  3. 3.05 Carat Round Lab-Grown Diamond, D VVS2, IGI LG837640282$676
  4. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG837640268$516
  5. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG837651425$516
  6. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG837651441$667
  7. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG837651433$667
  8. 3.01 Carat Round Lab-Grown Diamond, E VS2, IGI LG831679255$472
  9. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG834613596$517
  10. 3.52 Carat Round Lab-Grown Diamond, E VS1, IGI LG835669708$631
  11. 3.59 Carat Round Lab-Grown Diamond, E VS1, IGI LG835669709$619
  12. 3.55 Carat Round Lab-Grown Diamond, E VS1, IGI LG835669711$637
  1. 3.33 Carat Round Lab-Grown Diamond, G VS2, IGI LG564355718$468
  2. 3.74 Carat Round Lab-Grown Diamond, H VS1, IGI LG566329539$549
  3. 3.11 Carat Round Lab-Grown Diamond, D VVS1, GIA LG6481402420$1,544
  4. 3.38 Carat Round Lab-Grown Diamond, D VVS2, GIA LG6481464462$1,498
  5. 3.54 Carat Round Lab-Grown Diamond, F VS1, IGI LG639446547$558
  6. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG596310882$1,274
  7. 3.50 Carat Round Lab-Grown Diamond, E VS1, GIA 1479032533$2,682
  8. 3.52 Carat Round Lab-Grown Diamond, E VS1, GIA 2478348747$2,710
  9. 3.04 Carat Round Lab-Grown Diamond, E VS1, GIA 2498850371$1,504
  10. 3.50 Carat Round Lab-Grown Diamond, E VS1, GIA 5463975647$2,682
  11. 3.57 Carat Round Lab-Grown Diamond, F VVS2, GIA 6465628091$2,465
  12. 3.57 Carat Round Lab-Grown Diamond, E VS1, GIA 7461928425$2,736
  13. 3.47 Carat Round Lab-Grown Diamond, E VS1, IGI LG618473948$521
  14. 3.09 Carat Round Lab-Grown Diamond, F IF, GIA 1513240607$3,796
  15. 3.42 Carat Round Lab-Grown Diamond, E IF, IGI LG677542796$1,201
  16. 3.95 Carat Round Lab-Grown Diamond, F VS2, IGI LG608359201$712
  17. 3.35 Carat Round Lab-Grown Diamond, G VS1, IGI LG589309977$506
  18. 3.16 Carat Round Lab-Grown Diamond, G VS1, IGI LG594318931$464
  19. 3.31 Carat Round Lab-Grown Diamond, G VS1, IGI LG594318938$500
  20. 3.26 Carat Round Lab-Grown Diamond, G VVS2, IGI LG594318941$508
  21. 3.23 Carat Round Lab-Grown Diamond, G VS1, IGI LG594318946$447
  22. 3.27 Carat Round Lab-Grown Diamond, G VS1, IGI LG594318964$494
  23. 3.21 Carat Round Lab-Grown Diamond, G VS1, IGI LG594318977$485
  24. 3.15 Carat Round Lab-Grown Diamond, G VS1, IGI LG594318978$424
  25. 3.65 Carat Round Lab-Grown Diamond, E VVS1, IGI LG642476275$1,050
  26. 3.01 Carat Round Lab-Grown Diamond, E VVS2, GIA 2486787245$2,969
  27. 3.05 Carat Round Lab-Grown Diamond, D VS1, GIA 2487616140$2,848
  28. 3.28 Carat Round Lab-Grown Diamond, G SI1, IGI LG474140280$9,611
  29. 3.32 Carat Round Lab-Grown Diamond, H VVS2, IGI LG487173054$12,099
  30. 3.51 Carat Round Lab-Grown Diamond, G VVS2, IGI LG557218369$15,842
  31. 3.41 Carat Round Lab-Grown Diamond, F VS1, IGI LG593380212$676
  32. 3.12 Carat Round Lab-Grown Diamond, E VS1, IGI LG620402496$16,090
  33. 3.07 Carat Round Lab-Grown Diamond, J VS1, IGI LG478110994$7,060
  34. 3.02 Carat Round Lab-Grown Diamond, J VS1, IGI LG478112005$6,950
  35. 3.00 Carat Round Lab-Grown Diamond, J VS2, IGI LG478113411$6,429
  36. 3.07 Carat Round Lab-Grown Diamond, J VS1, IGI LG485136495$7,060
  37. 3.00 Carat Round Lab-Grown Diamond, J VS1, IGI LG485136548$6,905
  38. 3.12 Carat Round Lab-Grown Diamond, J VS2, IGI LG490174547$6,677
  39. 3.10 Carat Round Lab-Grown Diamond, F VS1, GIA 7488504852$940
  40. 3.09 Carat Round Lab-Grown Diamond, F VS1, GIA 1495001356$936
  41. 3.09 Carat Round Lab-Grown Diamond, F VS1, GIA 2497327272$936
  42. 3.06 Carat Round Lab-Grown Diamond, G VVS2, IGI LG563299954$494
  43. 3.30 Carat Round Lab-Grown Diamond, H VVS2, IGI LG538274954$582
  44. 3.53 Carat Round Lab-Grown Diamond, F VS1, IGI LG563230924$542
  45. 3.67 Carat Round Lab-Grown Diamond, F VS1, IGI LG670424799$558
  46. 3.33 Carat Round Lab-Grown Diamond, F VS1, IGI LG671437787$518
  47. 3.35 Carat Round Lab-Grown Diamond, F VS1, IGI LG680533374$562
  48. 3.31 Carat Round Lab-Grown Diamond, F VS1, IGI LG680533378$572
  49. 3.41 Carat Round Lab-Grown Diamond, F VS1, IGI LG680533384$534
  50. 3.86 Carat Round Lab-Grown Diamond, F VS1, IGI LG680533407$602
  51. 3.32 Carat Round Lab-Grown Diamond, F VS1, IGI LG683532748$572
  52. 3.75 Carat Round Lab-Grown Diamond, F VS2, IGI LG617408877$678
  53. 3.23 Carat Round Lab-Grown Diamond, F VVS2, IGI LG618472183$632
  54. 3.26 Carat Round Lab-Grown Diamond, E VS1, IGI LG618479943$637
  55. 3.22 Carat Round Lab-Grown Diamond, E VS1, IGI LG618479946$630
  56. 3.66 Carat Round Lab-Grown Diamond, F VVS1, IGI LG671421272$814
  57. 3.07 Carat Round Lab-Grown Diamond, G VS1, IGI LG546221530$664
  58. 3.20 Carat Round Lab-Grown Diamond, G VS1, IGI LG546222606$690
  59. 3.08 Carat Round Lab-Grown Diamond, H VS1, IGI LG546222607$640
  60. 3.9 Carat Round Lab-Grown Diamond, E VVS2, IGI LG619442709$664