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 33

19,406 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. 3.25 Carat Round Lab-Grown Diamond, D IF, IGI LG693507814$1,098
  2. 3.50 Carat Round Lab-Grown Diamond, D IF, IGI LG694506534$1,421
  3. 3.35 Carat Round Lab-Grown Diamond, D IF, IGI LG694506578$1,131
  4. 3.83 Carat Round Lab-Grown Diamond, D IF, IGI LG694558132$1,553
  5. 3.11 Carat Round Lab-Grown Diamond, D IF, IGI LG694558134$1,051
  6. 3.40 Carat Round Lab-Grown Diamond, D IF, IGI LG694558135$1,147
  7. 3.36 Carat Round Lab-Grown Diamond, D IF, IGI LG694558219$1,134
  8. 3.37 Carat Round Lab-Grown Diamond, D IF, IGI LG695509621$1,137
  9. 3.07 Carat Round Lab-Grown Diamond, D IF, IGI LG695509624$1,039
  10. 3.16 Carat Round Lab-Grown Diamond, D IF, IGI LG696511443$1,068
  11. 3.13 Carat Round Lab-Grown Diamond, E IF, IGI LG696511465$1,035
  12. 3.51 Carat Round Lab-Grown Diamond, D IF, IGI LG696511470$1,425
  13. 3.76 Carat Round Lab-Grown Diamond, D IF, IGI LG696511471$1,525
  14. 3.59 Carat Round Lab-Grown Diamond, D IF, IGI LG696550211$1,457
  15. 3.53 Carat Round Lab-Grown Diamond, D IF, IGI LG696550213$1,434
  16. 3.01 Carat Round Lab-Grown Diamond, D VS1, GIA 6512942917$1,218
  17. 3.04 Carat Round Lab-Grown Diamond, D VVS1, GIA 6512942930$1,437
  18. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG694501281$825
  19. 3.22 Carat Round Lab-Grown Diamond, D IF, IGI LG696589525$988
  20. 3.38 Carat Round Lab-Grown Diamond, D VS1, IGI LG696597660$1,006
  21. 3.17 Carat Round Lab-Grown Diamond, D vvs2, igi LG698559739$753
  22. 3.32 Carat Round Lab-Grown Diamond, D vs1, igi LG698584302$761
  23. 3.85 Carat Round Lab-Grown Diamond, D vs1, igi LG698584319$920
  24. 3.22 Carat Round Lab-Grown Diamond, D VS1, IGI LG700501639$663
  25. 3.70 Carat Round Lab-Grown Diamond, G VS1, IGI LG12639119$493
  26. 3.16 Carat Round Lab-Grown Diamond, G VVS2, IGI LG651482721$443
  27. 3.04 Carat Round Lab-Grown Diamond, I VVS2, IGI LG651482743$407
  28. 3.03 Carat Round Lab-Grown Diamond, E VS1, IGI LG700507368$595
  29. 3.03 Carat Round Lab-Grown Diamond, E VS1, IGI LG700535722$595
  30. 3.02 Carat Round Lab-Grown Diamond, E VS1, IGI LG700535749$593
  31. 3.03 Carat Round Lab-Grown Diamond, E VS1, IGI LG700553258$595
  32. 3.98 Carat Round Lab-Grown Diamond, F VS1, IGI LG700583923$1,133
  33. 3.04 Carat Round Lab-Grown Diamond, D VVS2, GIA 6515980296$1,390
  34. 3.04 Carat Round Lab-Grown Diamond, D VVS2, GIA 7511994181$1,390
  35. 3.89 Carat Round Lab-Grown Diamond, D IF, IGI LG696515268$1,404
  36. 3.03 Carat Round Lab-Grown Diamond, D IF, IGI LG669421451$1,056
  37. 3.09 Carat Round Lab-Grown Diamond, D IF, IGI LG669421454$1,075
  38. 3.18 Carat Round Lab-Grown Diamond, D IF, IGI LG685510884$1,106
  39. 3.23 Carat Round Lab-Grown Diamond, D IF, IGI LG685510895$1,123
  40. 3.05 Carat Round Lab-Grown Diamond, D SI1, IGI LG696574990$448
  41. 3.42 Carat Round Lab-Grown Diamond, D vs1, igi LG700547265$784
  42. 3.05 Carat Round Lab-Grown Diamond, D VVS2, IGI LG700560005$805
  43. 3.35 Carat Round Lab-Grown Diamond, D vs1, igi LG700560008$768
  44. 3.46 Carat Round Lab-Grown Diamond, D VVS2, IGI LG700560028$1,323
  45. 3.46 Carat Round Lab-Grown Diamond, D vs1, igi LG700560032$793
  46. 3.36 Carat Round Lab-Grown Diamond, E VVS2, IGI LG700576310$828
  47. 3.43 Carat Round Lab-Grown Diamond, D vs1, igi LG700584712$787
  48. 3.91 Carat Round Lab-Grown Diamond, F VS1, IGI LG634470268$837
  49. 3.08 Carat Round Lab-Grown Diamond, D IF, IGI LG696547089$942
  50. 3.11 Carat Round Lab-Grown Diamond, D IF, IGI LG696547090$894
  51. 3.10 Carat Round Lab-Grown Diamond, D IF, IGI LG696547091$890
  52. 3.13 Carat Round Lab-Grown Diamond, D IF, IGI LG696547092$898
  53. 3.18 Carat Round Lab-Grown Diamond, D VVS1, IGI LG696547097$795
  54. 3.53 Carat Round Lab-Grown Diamond, D IF, IGI LG696547102$1,262
  55. 3.55 Carat Round Lab-Grown Diamond, D VVS1, IGI LG696547103$1,026
  56. 3.08 Carat Round Lab-Grown Diamond, D IF, IGI LG696594703$884
  57. 3.57 Carat Round Lab-Grown Diamond, D VVS1, IGI LG697509209$986
  58. 3.04 Carat Round Lab-Grown Diamond, D IF, IGI LG698536006$874
  59. 3.16 Carat Round Lab-Grown Diamond, D VVS1, IGI LG698536008$790
  60. 3.46 Carat Round Lab-Grown Diamond, D VVS1, IGI LG698536013$833