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 25

19,463 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. 3.77 Carat Round Lab-Grown Diamond, G VS2, IGI LG636469682$447
  2. 3.40 Carat Round Lab-Grown Diamond, F VS2, IGI LG636475430$513
  3. 3.50 Carat Round Lab-Grown Diamond, F SI1, IGI LG625471190$470
  4. 3.03 Carat Round Lab-Grown Diamond, G VS2, IGI LG670419537$615
  5. 3.55 Carat Round Lab-Grown Diamond, E VS2, GIA 6471897130$2,184
  6. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG445024851$5,953
  7. 3.03 Carat Round Lab-Grown Diamond, J VS2, IGI LG468104729$6,490
  8. 3.01 Carat Round Lab-Grown Diamond, J SI2, IGI LG474113194$5,494
  9. 3.01 Carat Round Lab-Grown Diamond, J SI2, IGI LG474136067$5,494
  10. 3.50 Carat Round Lab-Grown Diamond, G SI1, IGI LG474141682$10,240
  11. 3.51 Carat Round Lab-Grown Diamond, G SI1, IGI LG474141709$10,269
  12. 3.00 Carat Round Lab-Grown Diamond, I SI1, IGI LG476158065$6,905
  13. 3.04 Carat Round Lab-Grown Diamond, G SI1, IGI LG476165271$8,926
  14. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG476185682$5,953
  15. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG476185684$5,953
  16. 3.00 Carat Round Lab-Grown Diamond, I SI1, IGI LG476186487$6,906
  17. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG476186905$5,953
  18. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG478110992$5,953
  19. 3.01 Carat Round Lab-Grown Diamond, J SI1, IGI LG478113400$5,971
  20. 3.16 Carat Round Lab-Grown Diamond, J SI1, IGI LG478113412$6,257
  21. 3.00 Carat Round Lab-Grown Diamond, J SI2, IGI LG480169692$5,475
  22. 3.09 Carat Round Lab-Grown Diamond, I SI1, IGI LG483197020$7,106
  23. 3.20 Carat Round Lab-Grown Diamond, J VS2, IGI LG485136498$6,842
  24. 3.03 Carat Round Lab-Grown Diamond, J VS2, IGI LG485136502$6,490
  25. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG485136506$5,953
  26. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG485136521$5,953
  27. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG485136552$5,953
  28. 3.20 Carat Round Lab-Grown Diamond, J SI1, IGI LG485136560$6,334
  29. 3.11 Carat Round Lab-Grown Diamond, J SI2, IGI LG487196254$5,668
  30. 3.01 Carat Round Lab-Grown Diamond, J SI1, IGI LG488143417$5,972
  31. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG488143419$5,953
  32. 3.04 Carat Round Lab-Grown Diamond, J SI2, IGI LG488143425$5,546
  33. 3.01 Carat Round Lab-Grown Diamond, J SI1, IGI LG490174540$5,972
  34. 3.01 Carat Round Lab-Grown Diamond, J SI1, IGI LG490174541$5,971
  35. 3.00 Carat Round Lab-Grown Diamond, J VS1, IGI LG490174544$6,906
  36. 3.01 Carat Round Lab-Grown Diamond, J VS2, IGI LG490174546$6,450
  37. 3.01 Carat Round Lab-Grown Diamond, J SI1, IGI LG490174548$5,972
  38. 3.00 Carat Round Lab-Grown Diamond, J VS2, IGI LG490174549$6,429
  39. 3.23 Carat Round Lab-Grown Diamond, J SI1, IGI LG490174551$6,391
  40. 3.00 Carat Round Lab-Grown Diamond, J VS1, IGI LG490175055$6,906
  41. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG490177107$5,953
  42. 3.05 Carat Round Lab-Grown Diamond, J SI2, IGI LG490191103$5,564
  43. 3.01 Carat Round Lab-Grown Diamond, J VS1, IGI LG490192039$6,928
  44. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG490193306$5,953
  45. 3.00 Carat Round Lab-Grown Diamond, I SI1, IGI LG490193308$6,905
  46. 3 Carat Round Lab-Grown Diamond, J SI2, IGI LG490193309$5,477
  47. 3.00 Carat Round Lab-Grown Diamond, I SI2, IGI LG492110393$5,953
  48. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG492110394$5,953
  49. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG492110397$5,953
  50. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG492134167$5,953
  51. 3.00 Carat Round Lab-Grown Diamond, I SI2, IGI LG492134171$718
  52. 3.00 Carat Round Lab-Grown Diamond, J SI1, IGI LG492134173$5,953
  53. 3.05 Carat Round Lab-Grown Diamond, J VS2, IGI LG492136754$6,533
  54. 3.01 Carat Round Lab-Grown Diamond, J VS2, IGI LG492136759$6,450
  55. 3.3 Carat Round Lab-Grown Diamond, J SI2, IGI LG492136760$6,001
  56. 3.00 Carat Round Lab-Grown Diamond, J SI2, IGI LG492136762$5,475
  57. 3.01 Carat Round Lab-Grown Diamond, J SI1, IGI LG492136770$5,971
  58. 3.01 Carat Round Lab-Grown Diamond, J VS2, IGI LG492136788$6,450
  59. 3.01 Carat Round Lab-Grown Diamond, J VS2, IGI LG492136790$6,450
  60. 3.01 Carat Round Lab-Grown Diamond, J SI1, IGI LG494162274$5,972