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 31

19,357 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. 3.07 Carat Round Lab-Grown Diamond, F IF, IGI LG582360516$784
  2. 3.29 Carat Round Lab-Grown Diamond, E IF, IGI LG583313708$960
  3. 3.61 Carat Round Lab-Grown Diamond, E IF, IGI LG589385475$1,631
  4. 3.50 Carat Round Lab-Grown Diamond, E IF, IGI LG611382917$1,288
  5. 3.16 Carat Round Lab-Grown Diamond, E IF, IGI LG618410823$923
  6. 3.43 Carat Round Lab-Grown Diamond, E IF, IGI LG628401022$1,103
  7. 3.11 Carat Round Lab-Grown Diamond, D IF, IGI LG635428639$1,028
  8. 3.43 Carat Round Lab-Grown Diamond, F VS1, IGI LG694576196$538
  9. 3.99 Carat Round Lab-Grown Diamond, D VVS1, IGI LG677521682$1,342
  10. 3.21 Carat Round Lab-Grown Diamond, F VS1, IGI LG694576170$510
  11. 3.39 Carat Round Lab-Grown Diamond, D IF, IGI LG692533931$970
  12. 3.03 Carat Round Lab-Grown Diamond, E VS1, IGI LG694591397$595
  13. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG694591399$591
  14. 3.60 Carat Round Lab-Grown Diamond, D IF, IGI LG691570828$1,681
  15. 3.10 Carat Round Lab-Grown Diamond, D VS2, IGI LG694572845$536
  16. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG691534839$1,000
  17. 3.71 Carat Round Lab-Grown Diamond, G VS1, IGI LG619457418$596
  18. 3.80 Carat Round Lab-Grown Diamond, E VS1, IGI LG680513123$738
  19. 3.21 Carat Round Lab-Grown Diamond, G SI1, IGI LG654411372$449
  20. 3.26 Carat Round Lab-Grown Diamond, G VS2, IGI LG654411380$463
  21. 3.32 Carat Round Lab-Grown Diamond, F VS1, IGI LG654411386$785
  22. 3.31 Carat Round Lab-Grown Diamond, G VVS2, IGI LG654411393$475
  23. 3.07 Carat Round Lab-Grown Diamond, G VS1, IGI LG669426865$451
  24. 3.07 Carat Round Lab-Grown Diamond, G VS1, IGI LG669426866$487
  25. 3.10 Carat Round Lab-Grown Diamond, G VVS2, IGI LG669426913$480
  26. 3.07 Carat Round Lab-Grown Diamond, D VS2, GIA 6491045040$1,276
  27. 3.24 Carat Round Lab-Grown Diamond, D IF, IGI LG669420837$1,126
  28. 3.56 Carat Round Lab-Grown Diamond, E VS1, IGI LG620455548$956
  29. 3.80 Carat Round Lab-Grown Diamond, E VVS1, IGI LG685573691$1,140
  30. 3.02 Carat Round Lab-Grown Diamond, D IF, IGI LG669420802$1,051
  31. 3.59 Carat Round Lab-Grown Diamond, D VVS1, GIA 2514720466$2,197
  32. 3.45 Carat Round Lab-Grown Diamond, D VVS1, GIA 2516720442$2,064
  33. 3.77 Carat Round Lab-Grown Diamond, D VVS1, GIA 2517859778$1,967
  34. 3.03 Carat Round Lab-Grown Diamond, D VVS1, GIA 2518720392$1,648
  35. 3.43 Carat Round Lab-Grown Diamond, D VVS1, GIA 6515720414$1,866
  36. 3.05 Carat Round Lab-Grown Diamond, D VVS1, IGI LG695505115$788
  37. 3.43 Carat Round Lab-Grown Diamond, D IF, IGI LG696515743$1,015
  38. 3.46 Carat Round Lab-Grown Diamond, D FL, GIA 7492830931$15,004
  39. 3.07 Carat Round Lab-Grown Diamond, F VVS2, IGI LG588345479$500
  40. 3.55 Carat Round Lab-Grown Diamond, H VS2, IGI LG644404720$531
  41. 3.01 Carat Round Lab-Grown Diamond, G VS1, IGI LG588342488$455
  42. 3.10 Carat Round Lab-Grown Diamond, E VS1, IGI LG588342490$500
  43. 3.04 Carat Round Lab-Grown Diamond, F VS1, IGI LG591316058$470
  44. 3.08 Carat Round Lab-Grown Diamond, F VS1, IGI LG642478098$476
  45. 3.14 Carat Round Lab-Grown Diamond, F VS1, IGI LG642478104$484
  46. 3.60 Carat Round Lab-Grown Diamond, G VS1, IGI LG644404719$538
  47. 3.06 Carat Round Lab-Grown Diamond, G VS1, IGI LG645463135$462
  48. 3.31 Carat Round Lab-Grown Diamond, F VVS2, IGI LG645463136$536
  49. 3.13 Carat Round Lab-Grown Diamond, F VS1, IGI LG649438707$483
  50. 3.40 Carat Round Lab-Grown Diamond, F VS2, IGI LG649438709$538
  51. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG696555514$591
  52. 3.02 Carat Round Lab-Grown Diamond, E VS1, IGI LG696581351$593
  53. 3.02 Carat Round Lab-Grown Diamond, G VS1, IGI LG631469827$470
  54. 3.56 Carat Round Lab-Grown Diamond, E IF, IGI LG605329981$9,846
  55. 3.92 Carat Round Lab-Grown Diamond, D VVS2, IGI LG698599910$1,103
  56. 3.02 Carat Round Lab-Grown Diamond, E VS1, IGI LG696555742$593
  57. 3.11 Carat Round Lab-Grown Diamond, E VS1, GIA 6492797047$1,029
  58. 3.01 Carat Round Lab-Grown Diamond, D IF, IGI LG694521023$1,456
  59. 3.03 Carat Round Lab-Grown Diamond, E VS1, IGI LG697517414$595
  60. 3.55 Carat Round Lab-Grown Diamond, E VVS2, GIA 1518846071$1,421