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

18,809 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. 3.04 Carat Round Lab-Grown Diamond, E VVS2, IGI LG830629994$489
  2. 3.54 Carat Round Lab-Grown Diamond, E VS2, IGI LG843670807$521
  3. 3.01 Carat Round Lab-Grown Diamond, E VS1, IGI LG843670809$489
  4. 3.02 Carat Round Lab-Grown Diamond, F VVS2, IGI LG844679984$510
  5. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG844679989$581
  6. 3.03 Carat Round Lab-Grown Diamond, F VS1, IGI LG844683976$472
  7. 3.04 Carat Round Lab-Grown Diamond, E VS1, IGI LG846654460$473
  8. 3.16 Carat Round Lab-Grown Diamond, G VS1, IGI LG846654478$405
  9. 3.04 Carat Round Lab-Grown Diamond, D VS1, IGI LG847686314$662
  10. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG824611463$686
  11. 3.81 Carat Round Lab-Grown Diamond, E VS1, IGI LG843670808$610
  12. 3.04 Carat Round Lab-Grown Diamond, D VVS2, IGI LG844655982$808
  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$1,476
  4. 3.38 Carat Round Lab-Grown Diamond, D VVS2, GIA LG6481464462$1,373
  5. 3.16 Carat Round Lab-Grown Diamond, F VS2, IGI LG683532770$508
  6. 3.41 Carat Round Lab-Grown Diamond, G VS1, IGI LG598371882$488
  7. 3.54 Carat Round Lab-Grown Diamond, F VS1, IGI LG639446547$558
  8. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG596310882$1,274
  9. 3.53 Carat Round Lab-Grown Diamond, G VVS1, IGI LG567362964$623
  10. 3.38 Carat Round Lab-Grown Diamond, H VVS2, IGI LG571383614$494
  11. 3.29 Carat Round Lab-Grown Diamond, H VVS1, IGI LG571383632$578
  12. 3.17 Carat Round Lab-Grown Diamond, I VVS2, IGI LG605341379$465
  13. 3.05 Carat Round Lab-Grown Diamond, J VS1, IGI LG638427701$421
  14. 3.50 Carat Round Lab-Grown Diamond, E VS1, GIA 1479032533$2,682
  15. 3.52 Carat Round Lab-Grown Diamond, E VS1, GIA 2478348747$2,710
  16. 3.04 Carat Round Lab-Grown Diamond, E VS1, GIA 2498850371$1,504
  17. 3.50 Carat Round Lab-Grown Diamond, E VS1, GIA 5463975647$2,682
  18. 3.57 Carat Round Lab-Grown Diamond, F VVS2, GIA 6465628091$2,465
  19. 3.57 Carat Round Lab-Grown Diamond, E VS1, GIA 7461928425$2,736
  20. 3.47 Carat Round Lab-Grown Diamond, E VS1, IGI LG618473948$521
  21. 3.09 Carat Round Lab-Grown Diamond, F IF, GIA 1513240607$3,796
  22. 3.02 Carat Round Lab-Grown Diamond, J VS1, IGI LG478118394$482
  23. 3.02 Carat Round Lab-Grown Diamond, J VS1, IGI LG478118488$482
  24. 3.04 Carat Round Lab-Grown Diamond, J VS1, IGI LG483113236$545
  25. 3.03 Carat Round Lab-Grown Diamond, J VS1, IGI LG483113253$544
  26. 3.01 Carat Round Lab-Grown Diamond, J VS1, IGI LG488147121$480
  27. 3.26 Carat Round Lab-Grown Diamond, J VVS2, IGI LG488147143$594
  28. 3.10 Carat Round Lab-Grown Diamond, J VS1, IGI LG496107388$555
  29. 3.07 Carat Round Lab-Grown Diamond, J VS1, IGI LG496107391$550
  30. 3.15 Carat Round Lab-Grown Diamond, J VS1, IGI LG497181917$564
  31. 3.07 Carat Round Lab-Grown Diamond, J VS1, IGI LG497182183$550
  32. 3.00 Carat Round Lab-Grown Diamond, J VS1, IGI LG502152150$539
  33. 3.42 Carat Round Lab-Grown Diamond, E IF, IGI LG677542796$993
  34. 3.95 Carat Round Lab-Grown Diamond, F VS2, IGI LG608359201$711
  35. 3.35 Carat Round Lab-Grown Diamond, G VS1, IGI LG589309977$506
  36. 3.16 Carat Round Lab-Grown Diamond, G VS1, IGI LG594318931$430
  37. 3.31 Carat Round Lab-Grown Diamond, G VS1, IGI LG594318938$500
  38. 3.26 Carat Round Lab-Grown Diamond, G VVS2, IGI LG594318941$508
  39. 3.27 Carat Round Lab-Grown Diamond, G VS1, IGI LG594318964$494
  40. 3.15 Carat Round Lab-Grown Diamond, G VS1, IGI LG594318978$462
  41. 3.65 Carat Round Lab-Grown Diamond, E VVS1, IGI LG642476275$1,019
  42. 3.01 Carat Round Lab-Grown Diamond, E VVS2, GIA 2486787245$2,969
  43. 3.05 Carat Round Lab-Grown Diamond, D VS1, GIA 2487616140$2,848
  44. 3.28 Carat Round Lab-Grown Diamond, G SI1, IGI LG474140280$9,611
  45. 3.32 Carat Round Lab-Grown Diamond, H VVS2, IGI LG487173054$12,099
  46. 3.22 Carat Round Lab-Grown Diamond, G VS1, IGI LG541251407$12,764
  47. 3.19 Carat Round Lab-Grown Diamond, G VS1, IGI LG550229072$12,648
  48. 3.51 Carat Round Lab-Grown Diamond, G VVS2, IGI LG557218369$15,842
  49. 3.41 Carat Round Lab-Grown Diamond, F VS1, IGI LG593380212$694
  50. 3.54 Carat Round Lab-Grown Diamond, F VS1, IGI LG618448521$16,820
  51. 3.12 Carat Round Lab-Grown Diamond, E VS1, IGI LG620402496$16,090
  52. 3.19 Carat Round Lab-Grown Diamond, F VS1, IGI LG620432605$15,181
  53. 3.32 Carat Round Lab-Grown Diamond, F VS1, IGI LG620432606$15,790
  54. 3.01 Carat Round Lab-Grown Diamond, J VS1, IGI LG462167681$6,928
  55. 3.01 Carat Round Lab-Grown Diamond, J SI1, IGI LG476185689$5,972
  56. 3.03 Carat Round Lab-Grown Diamond, J VS1, IGI LG476187401$6,973
  57. 3.07 Carat Round Lab-Grown Diamond, J VS1, IGI LG478110994$7,060
  58. 3.02 Carat Round Lab-Grown Diamond, J VS1, IGI LG478112005$6,950
  59. 3.00 Carat Round Lab-Grown Diamond, J VS2, IGI LG478113411$6,429
  60. 3.07 Carat Round Lab-Grown Diamond, J VS1, IGI LG485136495$7,060