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 227

15,555 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. 3.62 Carat Round Lab-Grown Diamond, D VVS1, IGI LG818665988$1,224
  2. 3.13 Carat Round Lab-Grown Diamond, D FL, IGI LG818665990$1,761
  3. 3.16 Carat Round Lab-Grown Diamond, D VVS2, IGI LG828635203$802
  4. 3.72 Carat Round Lab-Grown Diamond, H vs2, igi LG11590608$518
  5. 3.57 Carat Round Lab-Grown Diamond, H vs2, gcal 330900134$499
  6. 3.52 Carat Round Lab-Grown Diamond, H vs1, gcal 331140171$476
  7. 3.24 Carat Round Lab-Grown Diamond, H vs1, igi LG476185326$440
  8. 3.17 Carat Round Lab-Grown Diamond, G vs2, gcal 331110452$436
  9. 3.09 Carat Round Lab-Grown Diamond, I vs1, gcal 322780114$418
  10. 3.08 Carat Round Lab-Grown Diamond, H vvs2, gcal 331000146$434
  11. 3.07 Carat Round Lab-Grown Diamond, H vs2, gcal 331000114$433
  12. 3.06 Carat Round Lab-Grown Diamond, G vs2, gcal 322840151$422
  13. 3.06 Carat Round Lab-Grown Diamond, H vs1, gcal 331000183$417
  14. 3.06 Carat Round Lab-Grown Diamond, H vs2, gcal 331140170$431
  15. 3.04 Carat Round Lab-Grown Diamond, G si1, gcal 331030111$414
  16. 3 Carat Round Lab-Grown Diamond, H si2, gcal 330900169$407
  17. 3.03 Carat Round Lab-Grown Diamond, E VS2, IGI LG827610934$533
  18. 3.88 Carat Round Lab-Grown Diamond, D VS1, IGI LG801675413$1,572
  19. 3.27 Carat Round Lab-Grown Diamond, E VVS2, IGI LG811605181$664
  20. 3.28 Carat Round Lab-Grown Diamond, E VVS2, IGI LG815687690$665
  21. 3.26 Carat Round Lab-Grown Diamond, E VVS2, IGI LG817625320$661
  22. 3.00 Carat Round Lab-Grown Diamond, E VS2, IGI LG827610623$519
  23. 3.88 Carat Round Lab-Grown Diamond, D VS1, IGI LG803656094$1,572
  24. 3.76 Carat Round Lab-Grown Diamond, E VVS1, IGI LG822622448$1,758
  25. 3.51 Carat Round Lab-Grown Diamond, E VS1, IGI LG816693409$522
  26. 3.50 Carat Round Lab-Grown Diamond, E VS1, IGI LG818612773$521
  27. 3.51 Carat Round Lab-Grown Diamond, E VS1, IGI LG819626794$522
  28. 3.01 Carat Round Lab-Grown Diamond, D FL, IGI LG818675783$1,820
  29. 3.34 Carat Round Lab-Grown Diamond, E VVS2, IGI LG830636214$547
  30. 3.70 Carat Round Lab-Grown Diamond, D FL, IGI LG823694833$2,576
  31. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG810624975$619
  32. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG812601921$619
  33. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG828609235$564
  34. 3.04 Carat Round Lab-Grown Diamond, D IF, IGI LG828609244$1,133
  35. 3.07 Carat Round Lab-Grown Diamond, E VVS2, IGI LG826633287$507
  36. 3.46 Carat Round Lab-Grown Diamond, D VS1, IGI LG739597153$743
  37. 3.45 Carat Round Lab-Grown Diamond, D VS1, IGI LG770635542$742
  38. 3.58 Carat Round Lab-Grown Diamond, D VS1, IGI LG803684175$781
  39. 3.02 Carat Round Lab-Grown Diamond, D VVS1, IGI LG828602636$1,817
  40. 3.32 Carat Round Lab-Grown Diamond, F VS1, IGI LG760523263$469
  41. 3.37 Carat Round Lab-Grown Diamond, F VS1, IGI LG754562421$476
  42. 3.2 Carat Round Lab-Grown Diamond, H VS2, IGI LG777612154$464
  43. 3.01 Carat Round Lab-Grown Diamond, G SI1, IGI LG765602455$438
  44. 3 Carat Round Lab-Grown Diamond, G VVS2, IGI LG823640135$427
  45. 3.62 Carat Round Lab-Grown Diamond, I VS1, IGI LG760523609$582
  46. 3.32 Carat Round Lab-Grown Diamond, F VVS2, IGI LG760522301$475
  47. 3.01 Carat Round Lab-Grown Diamond, F SI1, IGI LG802630978$413
  48. 3.8 Carat Round Lab-Grown Diamond, F VVS2, IGI LG752545305$558
  49. 3.3 Carat Round Lab-Grown Diamond, F VVS2, IGI LG752546118$478
  50. 3.41 Carat Round Lab-Grown Diamond, G VVS2, IGI LG754562069$475
  51. 3.01 Carat Round Lab-Grown Diamond, D FL, IGI LG816631002$1,751
  52. 3.02 Carat Round Lab-Grown Diamond, D FL, IGI LG816631003$1,940
  53. 3.03 Carat Round Lab-Grown Diamond, D FL, IGI LG818623978$1,763
  54. 3.38 Carat Round Lab-Grown Diamond, D FL, IGI LG825675253$1,848
  55. 3.27 Carat Round Lab-Grown Diamond, E VVS2, IGI LG830616536$522
  56. 3.27 Carat Round Lab-Grown Diamond, E VVS2, IGI LG830616537$522
  57. 3.57 Carat Round Lab-Grown Diamond, D VVS2, IGI LG722538413$1,046
  58. 3.08 Carat Round Lab-Grown Diamond, D FL, IGI LG825675248$1,697
  59. 3.50 Carat Round Lab-Grown Diamond, D VVS2, IGI LG816616475$951
  60. 3.01 Carat Round Lab-Grown Diamond, E VVS1, IGI LG826698964$651