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 187

19,876 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, D IF, IGI LG754508027$1,037
  2. 3.48 Carat Round Lab-Grown Diamond, D VVS1, IGI LG754508910$988
  3. 3.33 Carat Round Lab-Grown Diamond, D IF, IGI LG754508893$1,144
  4. 3.32 Carat Round Lab-Grown Diamond, D IF, IGI LG754508933$1,140
  5. 3.09 Carat Round Lab-Grown Diamond, D IF, IGI LG754509036$1,061
  6. 3.1 Carat Round Lab-Grown Diamond, D IF, IGI LG754508441$1,065
  7. 3.01 Carat Round Lab-Grown Diamond, D VVS1, IGI LG754508580$855
  8. 3.64 Carat Round Lab-Grown Diamond, D VVS2, IGI LG754563444$1,114
  9. 3.01 Carat Round Lab-Grown Diamond, D IF, IGI LG754563485$1,034
  10. 3.4 Carat Round Lab-Grown Diamond, D IF, IGI LG619457814$1,296
  11. 3.42 Carat Round Lab-Grown Diamond, D IF, IGI LG622492907$1,303
  12. 3 Carat Round Lab-Grown Diamond, D IF, IGI LG620412401$1,428
  13. 3.6 Carat Round Lab-Grown Diamond, D IF, IGI LG622492893$1,553
  14. 3.41 Carat Round Lab-Grown Diamond, E IF, IGI LG626488598$1,127
  15. 3.55 Carat Round Lab-Grown Diamond, D VVS1, IGI LG813622841$1,135
  16. 3.29 Carat Round Lab-Grown Diamond, D vvs1, igi LG821683856$1,025
  17. 3.13 Carat Round Lab-Grown Diamond, D FL, IGI LG822610102$1,879
  18. 3.56 Carat Round Lab-Grown Diamond, E VVS1, GIA 7486454326$2,130
  19. 3.18 Carat Round Lab-Grown Diamond, E VVS1, GIA 2487274630$1,695
  20. 3.16 Carat Round Lab-Grown Diamond, D VS1, GIA 7481020666$1,477
  21. 3.38 Carat Round Lab-Grown Diamond, D VVS2, IGI LG704585295$980
  22. 3.82 Carat Round Lab-Grown Diamond, D IF, IGI LG754509121$1,707
  23. 3.09 Carat Round Lab-Grown Diamond, D VVS1, GIA 3535203552$1,849
  24. 3.01 Carat Round Lab-Grown Diamond, D IF, IGI LG754595536$1,034
  25. 3.27 Carat Round Lab-Grown Diamond, D IF, IGI LG754563777$1,235
  26. 3.33 Carat Round Lab-Grown Diamond, D IF, IGI LG754594501$1,258
  27. 3.05 Carat Round Lab-Grown Diamond, D IF, IGI LG754595502$1,047
  28. 3.09 Carat Round Lab-Grown Diamond, D IF, IGI LG754594752$1,167
  29. 3.26 Carat Round Lab-Grown Diamond, D IF, IGI LG754594700$1,231
  30. 3.08 Carat Round Lab-Grown Diamond, D IF, IGI LG754594749$1,058
  31. 3.07 Carat Round Lab-Grown Diamond, D VVS2, IGI LG754595253$890
  32. 3.01 Carat Round Lab-Grown Diamond, D VVS1, IGI LG754595519$940
  33. 3.44 Carat Round Lab-Grown Diamond, D IF, IGI LG754594990$1,299
  34. 3.99 Carat Round Lab-Grown Diamond, D IF, IGI LG754595485$1,783
  35. 3.03 Carat Round Lab-Grown Diamond, D VVS2, IGI LG754595492$878
  36. 3.06 Carat Round Lab-Grown Diamond, D IF, IGI LG754595501$1,051
  37. 3.01 Carat Round Lab-Grown Diamond, D IF, IGI LG754594918$1,034
  38. 3.1 Carat Round Lab-Grown Diamond, D VS1, IGI LG754563393$864
  39. 3.59 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS2, IGI LG611393250$717
  40. 3.53 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG797674632$683
  41. 3.52 Carat Round Lab-Grown Diamond, H VS1, IGI LG619455877$545
  42. 3.5 Carat Round Lab-Grown Diamond, FANCY VIVID GREEN VS1, IGI LG729503097$979
  43. 3.5 Carat Round Lab-Grown Diamond, E VVS1, IGI LG737568133$926
  44. 3.08 Carat Round Lab-Grown Diamond, FANCY INTENSE PINK VS1, IGI LG648431891$703
  45. 3.05 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VVS2, IGI LG797674621$717
  46. 3.02 Carat Round Lab-Grown Diamond, FANCY DEEP ORANGE VVS2, IGI LG652437915$936
  47. 3.02 Carat Round Lab-Grown Diamond, FANCY VIVID GREEN VS1, IGI LG750571874$849
  48. 3.02 Carat Round Lab-Grown Diamond, E VVS1, IGI LG729548419$664
  49. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG797674749$587
  50. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS2, IGI LG617457809$538
  51. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID ORANGE VS1, IGI LG613371732$918
  52. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS2, IGI LG797674747$656
  53. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG797674627$683
  54. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID GREEN VS2, IGI LG735530704$809
  55. 3.01 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS2, IGI LG610317829$538
  56. 3 Carat Round Lab-Grown Diamond, FANCY INTENSE PINK VVS2, IGI LG732587307$654
  57. 3 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG797674636$585
  58. 3 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS1, IGI LG669418301$568
  59. 3 Carat Round Lab-Grown Diamond, FANCY VIVID BLUE VS2, IGI LG729503107$552
  60. 3.09 Carat Round Lab-Grown Diamond, D FL, IGI LG786644886$2,328