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 38

15,872 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. 3.91 Carat Round Lab-Grown Diamond, E VVS2, IGI LG670442098$1,400
  2. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG705552357$591
  3. 3.31 Carat Round Lab-Grown Diamond, E VS2, IGI LG701507065$540
  4. 3.01 Carat Round Lab-Grown Diamond, D SI1, GIA 2427096396$1,281
  5. 3.19 Carat Round Lab-Grown Diamond, D vvs2, igi LG706577848$737
  6. 3.05 Carat Round Lab-Grown Diamond, D VVS2, IGI LG706577850$805
  7. 3.31 Carat Round Lab-Grown Diamond, E VS1, IGI LG707503841$788
  8. 3.32 Carat Round Lab-Grown Diamond, F VVS1, IGI LG705530911$640
  9. 3.23 Carat Round Lab-Grown Diamond, G VVS1, IGI LG705530964$536
  10. 3.37 Carat Round Lab-Grown Diamond, F VVS2, IGI LG705530966$477
  11. 3.72 Carat Round Lab-Grown Diamond, F VVS2, IGI LG706542556$543
  12. 3.39 Carat Round Lab-Grown Diamond, F VVS2, IGI LG706542559$480
  13. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG706543405$591
  14. 3.50 Carat Round Lab-Grown Diamond, G VS1, IGI LG698540115$522
  15. 3.74 Carat Round Lab-Grown Diamond, D vs1, igi LG706534223$791
  16. 3.85 Carat Round Lab-Grown Diamond, G VS2, IGI LG706570047$463
  17. 3.57 Carat Round Lab-Grown Diamond, F VVS2, IGI LG706558156$543
  18. 3.47 Carat Round Lab-Grown Diamond, F VVS2, IGI LG706558158$624
  19. 3.11 Carat Round Lab-Grown Diamond, G VS1, IGI LG706558162$448
  20. 3.17 Carat Round Lab-Grown Diamond, G VVS2, IGI LG706558208$470
  21. 3.31 Carat Round Lab-Grown Diamond, E VS1, IGI LG707510171$496
  22. 3.03 Carat Round Lab-Grown Diamond, D VVS2, IGI LG702559491$808
  23. 3.22 Carat Round Lab-Grown Diamond, D VS1, IGI LG702559493$812
  24. 3.04 Carat Round Lab-Grown Diamond, D VVS1, IGI LG702559505$906
  25. 3.59 Carat Round Lab-Grown Diamond, E VVS1, IGI LG702559506$923
  26. 3.42 Carat Round Lab-Grown Diamond, D VS1, IGI LG702559510$861
  27. 3.51 Carat Round Lab-Grown Diamond, D VVS2, IGI LG703510921$1,100
  28. 3.05 Carat Round Lab-Grown Diamond, D VVS2, IGI LG704536202$813
  29. 3.57 Carat Round Lab-Grown Diamond, E VS1, IGI LG706501132$689
  30. 3.51 Carat Round Lab-Grown Diamond, F VVS1, IGI LG668433565$1,010
  31. 3.14 Carat Round Lab-Grown Diamond, E VVS1, IGI LG668433339$721
  32. 3.71 Carat Round Lab-Grown Diamond, D VVS1, GIA 6521030261$2,271
  33. 3.28 Carat Round Lab-Grown Diamond, D VVS1, IGI LG669421016$973
  34. 3.05 Carat Round Lab-Grown Diamond, D IF, IGI LG710523627$1,474
  35. 3.3 Carat Round Lab-Grown Diamond, D VVS2, IGI LG668433556$951
  36. 3.06 Carat Round Lab-Grown Diamond, E IF, IGI LG670467839$833
  37. 3.26 Carat Round Lab-Grown Diamond, D IF, IGI LG670467841$1,144
  38. 3.61 Carat Round Lab-Grown Diamond, D VVS1, GIA 2526030807$2,209
  39. 3.79 Carat Round Lab-Grown Diamond, D VVS1, GIA 3525030271$2,319
  40. 3.1 Carat Round Lab-Grown Diamond, D VVS1, GIA 6521030859$1,686
  41. 3.26 Carat Round Lab-Grown Diamond, D VVS1, GIA 6521030860$1,773
  42. 3.65 Carat Round Lab-Grown Diamond, D VVS1, GIA 1525030242$2,457
  43. 3.55 Carat Round Lab-Grown Diamond, D VVS1, GIA 6521030892$2,173
  44. 3.26 Carat Round Lab-Grown Diamond, D VVS2, GIA 1527030786$1,607
  45. 3.09 Carat Round Lab-Grown Diamond, E VS2, IGI LG629493951$486
  46. 3.09 Carat Round Lab-Grown Diamond, E VS2, GIA 6461656840$880
  47. 3.09 Carat Round Lab-Grown Diamond, F VS1, GIA 6492322927$936
  48. 3.08 Carat Round Lab-Grown Diamond, E IF, IGI LG680571003$710
  49. 3.89 Carat Round Lab-Grown Diamond, G VS2, IGI LG707533430$468
  50. 3.38 Carat Round Lab-Grown Diamond, D VS1, IGI LG708563640$1,006
  51. 3.2 Carat Round Lab-Grown Diamond, D IF, IGI LG710508632$1,708
  52. 3.29 Carat Round Lab-Grown Diamond, G VVS2, GIA 5523150584$1,413
  53. 3.68 Carat Round Lab-Grown Diamond, F VS1, IGI 606353789$883
  54. 3.80 Carat Round Lab-Grown Diamond, F VVS2, IGI LG644404614$545
  55. 3.02 Carat Round Lab-Grown Diamond, H VVS2, IGI LG680513220$428
  56. 3.33 Carat Round Lab-Grown Diamond, D IF, GIA 1513819451$2,759
  57. 3.03 Carat Round Lab-Grown Diamond, D VS1, GIA 5523227989$1,072
  58. 3.04 Carat Round Lab-Grown Diamond, D VVS1, GIA 6522228001$1,332
  59. 3.01 Carat Round Lab-Grown Diamond, H VVS2, IGI LG668408454$418
  60. 3.23 Carat Round Lab-Grown Diamond, E VVS2, IGI LG705520841$512