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 80

19,928 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. 3.79 Carat Round Lab-Grown Diamond, D IF, IGI LG710580679$1,352
  2. 3.09 Carat Round Lab-Grown Diamond, F VVS1, IGI LG711512193$625
  3. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG712512642$868
  4. 3.12 Carat Round Lab-Grown Diamond, D IF, IGI LG712512645$896
  5. 3.17 Carat Round Lab-Grown Diamond, D IF, IGI LG712512647$910
  6. 3.30 Carat Round Lab-Grown Diamond, D VVS1, IGI LG712512651$796
  7. 3.34 Carat Round Lab-Grown Diamond, D IF, IGI LG712512652$956
  8. 3.40 Carat Round Lab-Grown Diamond, D IF, IGI LG712512654$1,002
  9. 3.44 Carat Round Lab-Grown Diamond, D IF, IGI LG712512655$1,014
  10. 3.46 Carat Round Lab-Grown Diamond, D VVS1, IGI LG712512656$833
  11. 3.51 Carat Round Lab-Grown Diamond, D IF, IGI LG712512657$1,240
  12. 3.52 Carat Round Lab-Grown Diamond, D IF, IGI LG712512658$1,258
  13. 3.76 Carat Round Lab-Grown Diamond, D IF, IGI LG712512660$1,342
  14. 3.14 Carat Round Lab-Grown Diamond, D IF, IGI LG712530481$902
  15. 3.26 Carat Round Lab-Grown Diamond, D IF, IGI LG712530484$936
  16. 3.43 Carat Round Lab-Grown Diamond, D IF, IGI LG712530487$1,010
  17. 3.59 Carat Round Lab-Grown Diamond, D VVS1, IGI LG712530490$1,018
  18. 3.64 Carat Round Lab-Grown Diamond, D VVS1, IGI LG712530491$1,032
  19. 3.64 Carat Round Lab-Grown Diamond, D IF, IGI LG712530492$1,300
  20. 3.06 Carat Round Lab-Grown Diamond, F VVS1, IGI LG712566980$619
  21. 3.66 Carat Round Lab-Grown Diamond, D IF, IGI LG712569393$1,306
  22. 3.67 Carat Round Lab-Grown Diamond, D IF, IGI LG712569394$1,310
  23. 3.68 Carat Round Lab-Grown Diamond, D IF, IGI LG712569395$1,314
  24. 3.36 Carat Round Lab-Grown Diamond, D IF, IGI LG712569396$962
  25. 3.10 Carat Round Lab-Grown Diamond, D IF, IGI LG712569398$890
  26. 3.40 Carat Round Lab-Grown Diamond, D VVS1, IGI LG712569402$819
  27. 3.50 Carat Round Lab-Grown Diamond, D IF, IGI LG712569403$1,250
  28. 3.53 Carat Round Lab-Grown Diamond, D IF, IGI LG712569404$1,262
  29. 3.25 Carat Round Lab-Grown Diamond, D IF, IGI LG713523051$932
  30. 3.39 Carat Round Lab-Grown Diamond, D VVS1, IGI LG713523055$816
  31. 3.41 Carat Round Lab-Grown Diamond, D IF, IGI LG713523057$1,006
  32. 3.41 Carat Round Lab-Grown Diamond, D IF, IGI LG713523058$1,006
  33. 3.52 Carat Round Lab-Grown Diamond, D VVS1, IGI LG713523060$998
  34. 3.09 Carat Round Lab-Grown Diamond, D IF, IGI LG713523068$888
  35. 3.10 Carat Round Lab-Grown Diamond, D IF, IGI LG713523069$890
  36. 3.15 Carat Round Lab-Grown Diamond, D IF, IGI LG713523070$904
  37. 3.56 Carat Round Lab-Grown Diamond, D IF, IGI LG713523071$1,272
  38. 3.76 Carat Round Lab-Grown Diamond, D IF, IGI LG713523073$1,342
  39. 3.79 Carat Round Lab-Grown Diamond, D IF, IGI LG713523074$1,352
  40. 3.11 Carat Round Lab-Grown Diamond, D IF, IGI LG715502931$894
  41. 3.27 Carat Round Lab-Grown Diamond, D IF, IGI LG715502934$938
  42. 3.44 Carat Round Lab-Grown Diamond, D IF, IGI LG715502936$1,014
  43. 3.43 Carat Round Lab-Grown Diamond, D IF, IGI LG715502937$1,010
  44. 3.10 Carat Round Lab-Grown Diamond, D IF, IGI LG715502950$890
  45. 3.55 Carat Round Lab-Grown Diamond, D VVS1, IGI LG715502954$1,006
  46. 3.73 Carat Round Lab-Grown Diamond, D IF, IGI LG715502955$1,332
  47. 3.76 Carat Round Lab-Grown Diamond, D IF, IGI LG715502956$1,342
  48. 3.23 Carat Round Lab-Grown Diamond, D IF, IGI LG715505959$926
  49. 3.31 Carat Round Lab-Grown Diamond, D IF, IGI LG715505961$948
  50. 3.19 Carat Round Lab-Grown Diamond, D IF, IGI LG715510600$916
  51. 3.09 Carat Round Lab-Grown Diamond, D IF, IGI LG715510602$888
  52. 3.08 Carat Round Lab-Grown Diamond, F VVS2, IGI LG715522931$501
  53. 3.07 Carat Round Lab-Grown Diamond, F VVS1, IGI LG715522937$621
  54. 3.09 Carat Round Lab-Grown Diamond, F VVS2, IGI LG715551821$503
  55. 3.11 Carat Round Lab-Grown Diamond, D IF, IGI LG715552674$894
  56. 3.14 Carat Round Lab-Grown Diamond, D IF, IGI LG715552675$902
  57. 3.55 Carat Round Lab-Grown Diamond, D IF, IGI LG715552680$1,268
  58. 3.67 Carat Round Lab-Grown Diamond, D IF, IGI LG715552681$1,310
  59. 3.16 Carat Round Lab-Grown Diamond, D IF, IGI LG715598656$908
  60. 3.40 Carat Round Lab-Grown Diamond, D IF, IGI LG715598658$1,002