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 318

19,176 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. 3.43 Carat Round Lab-Grown Diamond, G VS1, IGI LG821698787$500
  2. 3.21 Carat Round Lab-Grown Diamond, E VS1, IGI LG825614887$514
  3. 3.17 Carat Round Lab-Grown Diamond, E VS1, IGI LG825614954$512
  4. 3.08 Carat Round Lab-Grown Diamond, E VVS2, IGI LG844654110$526
  5. 3.01 Carat Round Lab-Grown Diamond, E VS1, IGI LG844670250$535
  6. 3.01 Carat Round Lab-Grown Diamond, E VS1, IGI LG844670252$535
  7. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG845666631$545
  8. 3.00 Carat Round Lab-Grown Diamond, D VVS2, IGI LG845666639$721
  9. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG846602627$545
  10. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG846644361$545
  11. 3.00 Carat Round Lab-Grown Diamond, D VVS2, IGI LG846648390$721
  12. 3.03 Carat Round Lab-Grown Diamond, D VVS2, IGI LG846648394$727
  13. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG846666540$546
  14. 3.00 Carat Round Lab-Grown Diamond, D VVS2, IGI LG847605729$721
  15. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG847617211$546
  16. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG847617212$722
  17. 3.02 Carat Round Lab-Grown Diamond, E VS1, IGI LG847642812$538
  18. 3.04 Carat Round Lab-Grown Diamond, E VVS2, IGI LG847642816$550
  19. 3.05 Carat Round Lab-Grown Diamond, E VS1, IGI LG847673403$542
  20. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG847673622$546
  21. 3.09 Carat Round Lab-Grown Diamond, E VVS2, IGI LG835633664$631
  22. 3.52 Carat Round Lab-Grown Diamond, E VS1, IGI LG839630291$673
  23. 3.06 Carat Round Lab-Grown Diamond, D VVS2, IGI LG839630293$797
  24. 3.06 Carat Round Lab-Grown Diamond, D VVS2, IGI LG847636043$657
  25. 3.52 Carat Round Lab-Grown Diamond, D VS1, IGI LG847636044$685
  26. 3.02 Carat Round Lab-Grown Diamond, E VS1, IGI LG847678424$538
  27. 3.00 Carat Round Lab-Grown Diamond, D IF, IGI LG847689510$1,063
  28. 3.11 Carat Round Lab-Grown Diamond, D VVS2, IGI LG848628817$792
  29. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG848644131$567
  30. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG848668230$577
  31. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG848668232$582
  32. 3.02 Carat Round Lab-Grown Diamond, E VVS2, IGI LG848668236$577
  33. 3 Carat Round Lab-Grown Diamond, E VVS2, IGI LG824611450$525
  34. 3.99 Carat Round Lab-Grown Diamond, E VVS2, IGI LG807615700$664
  35. 3.07 Carat Round Lab-Grown Diamond, E VVS2, IGI LG838604944$531
  36. 3.50 Carat Round Lab-Grown Diamond, E VS1, IGI LG841695165$532
  37. 3.09 Carat Round Lab-Grown Diamond, D VVS1, IGI LG845670785$896
  38. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG848673091$616
  39. 3.51 Carat Round Lab-Grown Diamond, E VVS2, IGI LG831696772$591
  40. 3.04 Carat Round Lab-Grown Diamond, E VS1, IGI LG836696156$468
  41. 3.04 Carat Round Lab-Grown Diamond, E VVS2, IGI LG838647823$489
  42. 3.52 Carat Round Lab-Grown Diamond, D VVS2, IGI LG841688151$815
  43. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG843686908$510
  44. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG843686916$510
  45. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG843686917$510
  46. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG843686919$510
  47. 3.41 Carat Round Lab-Grown Diamond, E VVS2, IGI LG844679868$692
  48. 3.13 Carat Round Lab-Grown Diamond, E IF, IGI LG844683507$840
  49. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG847633393$743
  50. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG847633395$601
  51. 3.00 Carat Round Lab-Grown Diamond, D VVS2, IGI LG847633402$741
  52. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG847655923$510
  53. 3.01 Carat Round Lab-Grown Diamond, E VVS2, IGI LG847664132$504
  54. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG847664165$743
  55. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG847689914$510
  56. 3.05 Carat Round Lab-Grown Diamond, E VS1, IGI LG847689918$494
  57. 3.05 Carat Round Lab-Grown Diamond, E VVS2, IGI LG847689924$510
  58. 3.01 Carat Round Lab-Grown Diamond, D VS1, IGI LG847689927$601
  59. 3.05 Carat Round Lab-Grown Diamond, D VVS2, IGI LG847689928$753
  60. 3.01 Carat Round Lab-Grown Diamond, D VVS2, IGI LG847689929$743