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 36

15,384 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. 3.66 Carat Round Lab-Grown Diamond, F IF, IGI LG605303212$1,338
  2. 3.59 Carat Round Lab-Grown Diamond, E VS1, IGI LG693532991$578
  3. 3.03 Carat Round Lab-Grown Diamond, D VS2, IGI LG694584258$521
  4. 3.06 Carat Round Lab-Grown Diamond, D IF, IGI LG701502628$880
  5. 3.55 Carat Round Lab-Grown Diamond, D IF, IGI LG701502646$1,268
  6. 3.57 Carat Round Lab-Grown Diamond, D IF, IGI LG701502647$1,276
  7. 3.24 Carat Round Lab-Grown Diamond, D IF, IGI LG702512987$930
  8. 3.22 Carat Round Lab-Grown Diamond, G VVS2, IGI LG700589992$477
  9. 3.87 Carat Round Lab-Grown Diamond, D vs1, igi LG702544641$819
  10. 3.42 Carat Round Lab-Grown Diamond, D VVS1, IGI LG698556625$892
  11. 3.03 Carat Round Lab-Grown Diamond, E VVS2, IGI LG698518407$536
  12. 3.04 Carat Round Lab-Grown Diamond, E VVS1, IGI LG696593090$699
  13. 3.24 Carat Round Lab-Grown Diamond, D vs1, igi LG702527013$696
  14. 3.73 Carat Round Lab-Grown Diamond, E IF, IGI LG702574723$1,380
  15. 3.17 Carat Round Lab-Grown Diamond, D IF, IGI LG702512983$910
  16. 3.05 Carat Round Lab-Grown Diamond, D IF, IGI LG702513003$876
  17. 3.04 Carat Round Lab-Grown Diamond, D VS2, IGI LG688507884$522
  18. 3.54 Carat Round Lab-Grown Diamond, E VS1, IGI LG696590852$592
  19. 3.53 Carat Round Lab-Grown Diamond, E VS1, IGI LG696576103$591
  20. 3.33 Carat Round Lab-Grown Diamond, D IF, IGI LG700540753$954
  21. 3.17 Carat Round Lab-Grown Diamond, D IF, IGI LG701502638$910
  22. 3.40 Carat Round Lab-Grown Diamond, D IF, IGI LG701502641$1,002
  23. 3.43 Carat Round Lab-Grown Diamond, D VVS1, IGI LG701502642$826
  24. 3.52 Carat Round Lab-Grown Diamond, E VS1, IGI LG696566942$589
  25. 3.58 Carat Round Lab-Grown Diamond, D VS2, IGI LG696566950$621
  26. 3.52 Carat Round Lab-Grown Diamond, E VS1, IGI LG696566983$589
  27. 3.07 Carat Round Lab-Grown Diamond, D VVS2, IGI LG698597823$812
  28. 3.59 Carat Round Lab-Grown Diamond, E VS1, IGI LG694584270$578
  29. 3.15 Carat Round Lab-Grown Diamond, D IF, IGI LG696547094$904
  30. 3.59 Carat Round Lab-Grown Diamond, D VS2, IGI LG696566885$622
  31. 3.51 Carat Round Lab-Grown Diamond, E VS1, IGI LG696566899$588
  32. 3.55 Carat Round Lab-Grown Diamond, E VS1, IGI LG696566922$595
  33. 3.12 Carat Round Lab-Grown Diamond, D IF, IGI LG701502635$896
  34. 3.51 Carat Round Lab-Grown Diamond, D IF, IGI LG701502644$1,254
  35. 3.22 Carat Round Lab-Grown Diamond, D vs1, igi LG701507618$692
  36. 3.24 Carat Round Lab-Grown Diamond, D vvs2, igi LG701507615$748
  37. 3.24 Carat Round Lab-Grown Diamond, D VS1, IGI LG702510608$639
  38. 3.87 Carat Round Lab-Grown Diamond, F VS1, IGI LG702544628$581
  39. 3.29 Carat Round Lab-Grown Diamond, F VS2, IGI LG669432220$482
  40. 3.02 Carat Round Lab-Grown Diamond, F SI1, IGI LG669432447$435
  41. 3.15 Carat Round Lab-Grown Diamond, F SI1, IGI LG669432529$439
  42. 3.20 Carat Round Lab-Grown Diamond, E SI1, IGI LG669432583$469
  43. 3.25 Carat Round Lab-Grown Diamond, E VS2, IGI LG669438193$502
  44. 3.65 Carat Round Lab-Grown Diamond, E SI1, IGI LG700501868$581
  45. 3.50 Carat Round Lab-Grown Diamond, F SI1, IGI LG700501995$562
  46. 3.55 Carat Round Lab-Grown Diamond, E VS1, IGI LG694512458$534
  47. 3.41 Carat Round Lab-Grown Diamond, E VS1, IGI LG688512780$562
  48. 3.31 Carat Round Lab-Grown Diamond, F VS1, IGI LG694576216$572
  49. 3.36 Carat Round Lab-Grown Diamond, F VS1, IGI LG696508566$580
  50. 3.20 Carat Round Lab-Grown Diamond, F VS1, IGI LG698521527$508
  51. 3.37 Carat Round Lab-Grown Diamond, F VS1, IGI LG701507023$566
  52. 3.18 Carat Round Lab-Grown Diamond, E VS2, IGI LG701507029$564
  53. 3.21 Carat Round Lab-Grown Diamond, F VVS2, IGI LG700589994$481
  54. 3.15 Carat Round Lab-Grown Diamond, G VS1, IGI LG700590001$453
  55. 3.33 Carat Round Lab-Grown Diamond, D IF, IGI LG669421601$1,168
  56. 3.07 Carat Round Lab-Grown Diamond, D IF, IGI LG685510947$1,079
  57. 3.39 Carat Round Lab-Grown Diamond, D IF, IGI LG685510954$1,189
  58. 3.32 Carat Round Lab-Grown Diamond, E IF, IGI LG693547632$939
  59. 3.01 Carat Round Lab-Grown Diamond, D IF, IGI LG696558479$1,019
  60. 3.49 Carat Round Lab-Grown Diamond, E VS2, IGI LG678525488$547