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 221

15,595 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. 3.02 Carat Round Lab-Grown Diamond, E VVS1, IGI LG729548419$664
  2. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG797674749$587
  3. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS2, IGI LG617457809$538
  4. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID ORANGE VS1, IGI LG613371732$918
  5. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS2, IGI LG797674747$656
  6. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG797674627$690
  7. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID GREEN VS2, IGI LG735530704$809
  8. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS2, IGI LG610317829$538
  9. 3 Carat Round Lab-Grown Diamond, FANCY INTENSE PINK VVS2, IGI LG732587307$668
  10. 3 Carat Round Lab-Grown Diamond, FANCY VIVID GREEN VS1, IGI LG793622699$821
  11. 3 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG669418301$568
  12. 3 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS2, IGI LG729503107$552
  13. 3.09 Carat Round Lab-Grown Diamond, D FL, IGI LG786644886$2,271
  14. 3.00 Carat Round Lab-Grown Diamond, E FL, IGI LG794624904$5,529
  15. 3.02 Carat Round Lab-Grown Diamond, E VS2, IGI LG819699708$522
  16. 3.9 Carat Round Lab-Grown Diamond, F VVS2, IGI LG731588806$598
  17. 3.01 Carat Round Lab-Grown Diamond, H VVS2, IGI LG775608719$413
  18. 3.11 Carat Round Lab-Grown Diamond, F IF, IGI LG631466058$978
  19. 3.6 Carat Round Lab-Grown Diamond, F VS2, IGI LG777630695$482
  20. 3.99 Carat Round Lab-Grown Diamond, F VS1, IGI LG784621341$564
  21. 3.98 Carat Round Lab-Grown Diamond, F VS1, IGI LG798603450$913
  22. 3.74 Carat Round Lab-Grown Diamond, E VVS1, IGI LG788634991$795
  23. 3.21 Carat Round Lab-Grown Diamond, D VS1, IGI LG790630708$741
  24. 3.27 Carat Round Lab-Grown Diamond, D VS1, IGI LG790630764$753
  25. 3.71 Carat Round Lab-Grown Diamond, E VVS1, IGI LG790630782$792
  26. 3.25 Carat Round Lab-Grown Diamond, D VS1, IGI LG790630793$749
  27. 3.29 Carat Round Lab-Grown Diamond, D VS1, IGI LG797657571$757
  28. 3.5 Carat Round Lab-Grown Diamond, E VVS2, IGI LG801681016$533
  29. 3.17 Carat Round Lab-Grown Diamond, D VS2, IGI LG802610045$486
  30. 3.28 Carat Round Lab-Grown Diamond, D VVS2, IGI LG802629902$893
  31. 3.28 Carat Round Lab-Grown Diamond, D VS1, IGI LG802629937$756
  32. 3.57 Carat Round Lab-Grown Diamond, E VVS2, IGI LG803644461$598
  33. 3.55 Carat Round Lab-Grown Diamond, E VVS1, IGI LG803696396$757
  34. 3.58 Carat Round Lab-Grown Diamond, F VVS1, IGI LG804612619$724
  35. 3.9 Carat Round Lab-Grown Diamond, F IF, IGI LG808617587$1,336
  36. 3.74 Carat Round Lab-Grown Diamond, F VVS1, IGI LG808617588$752
  37. 3.24 Carat Round Lab-Grown Diamond, E VVS1, IGI LG809601004$675
  38. 3.51 Carat Round Lab-Grown Diamond, E VVS1, IGI LG809601006$755
  39. 3.05 Carat Round Lab-Grown Diamond, D VVS2, IGI LG809637108$808
  40. 3.7 Carat Round Lab-Grown Diamond, E VVS1, IGI LG809637121$791
  41. 3.2 Carat Round Lab-Grown Diamond, D VVS1, IGI LG813609528$869
  42. 3.24 Carat Round Lab-Grown Diamond, D VVS1, IGI LG813634318$879
  43. 3.2 Carat Round Lab-Grown Diamond, E VVS1, IGI LG813655912$683
  44. 3.26 Carat Round Lab-Grown Diamond, D VVS2, IGI LG814642753$888
  45. 3.25 Carat Round Lab-Grown Diamond, D VVS2, IGI LG814642766$885
  46. 3.01 Carat Round Lab-Grown Diamond, E VVS1, IGI LG817686616$651
  47. 3.00 Carat Round Lab-Grown Diamond, E VVS2, IGI LG817686619$511
  48. 3.11 Carat Round Lab-Grown Diamond, D VVS1, IGI LG819661524$830
  49. 3.16 Carat Round Lab-Grown Diamond, D VS1, IGI LG819661536$602
  50. 3.00 Carat Round Lab-Grown Diamond, E VVS2, IGI LG819661554$575
  51. 3.3 Carat Round Lab-Grown Diamond, E VVS1, IGI LG821643750$708
  52. 3.05 Carat Round Lab-Grown Diamond, D VVS2, IGI LG821643769$717
  53. 3.00 Carat Round Lab-Grown Diamond, E VVS1, IGI LG821686146$648
  54. 3.03 Carat Round Lab-Grown Diamond, E VS1, IGI LG823650858$461
  55. 3.93 Carat Round Lab-Grown Diamond, E VVS2, IGI LG824610487$662
  56. 3.05 Carat Round Lab-Grown Diamond, D VVS2, IGI LG818675283$1,289
  57. 3.06 Carat Round Lab-Grown Diamond, D VVS2, IGI LG821627198$809
  58. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG823691278$515
  59. 3.49 Carat Round Lab-Grown Diamond, D VS1, IGI LG801680975$606
  60. 3.21 Carat Round Lab-Grown Diamond, D VS2, IGI LG801680982$489