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 29

15,116 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. 3.27 Carat Round Lab-Grown Diamond, D FL, GIA 2507526121$18,873
  2. 3.43 Carat Round Lab-Grown Diamond, D FL, GIA 2518595103$19,796
  3. 3.40 Carat Round Lab-Grown Diamond, F VS1, IGI LG652441897$570
  4. 3.03 Carat Round Lab-Grown Diamond, D VVS1, IGI LG689569726$794
  5. 3.07 Carat Round Lab-Grown Diamond, H VVS2, IGI LG651482722$431
  6. 3.38 Carat Round Lab-Grown Diamond, F VS1, IGI LG689583831$504
  7. 3.26 Carat Round Lab-Grown Diamond, I VVS2, IGI LG651482732$423
  8. 3.21 Carat Round Lab-Grown Diamond, D IF, IGI LG685523537$922
  9. 3.09 Carat Round Lab-Grown Diamond, D VS2, IGI LG689572227$505
  10. 3.04 Carat Round Lab-Grown Diamond, D VS2, IGI LG689572233$522
  11. 3.45 Carat Round Lab-Grown Diamond, E VS1, IGI LG691583652$545
  12. 3.19 Carat Round Lab-Grown Diamond, D IF, IGI LG691534293$1,054
  13. 3.28 Carat Round Lab-Grown Diamond, D IF, IGI LG691534294$1,082
  14. 3.81 Carat Round Lab-Grown Diamond, F VS1, IGI LG691557608$623
  15. 3.55 Carat Round Lab-Grown Diamond, D IF, IGI LG691545113$1,483
  16. 3.32 Carat Round Lab-Grown Diamond, D VVS1, IGI LG685510705$939
  17. 3.50 Carat Round Lab-Grown Diamond, E VS2, IGI LG671423346$666
  18. 3.70 Carat Round Lab-Grown Diamond, H VVS2, IGI LG636488668$487
  19. 3.16 Carat Round Lab-Grown Diamond, F SI1, IGI LG529246498$1,594
  20. 3.01 Carat Round Lab-Grown Diamond, F SI1, IGI LG529259274$352
  21. 3.37 Carat Round Lab-Grown Diamond, D SI1, IGI LG529267469$390
  22. 3.21 Carat Round Lab-Grown Diamond, D SI1, IGI LG529267470$1,751
  23. 3.62 Carat Round Lab-Grown Diamond, G VS2, IGI LG625423779$552
  24. 3.16 Carat Round Lab-Grown Diamond, H VVS2, IGI LG583333890$521
  25. 3.01 Carat Round Lab-Grown Diamond, F IF, IGI LG675557790$777
  26. 3.05 Carat Round Lab-Grown Diamond, H VVS2, IGI LG681576035$496
  27. 3.19 Carat Round Lab-Grown Diamond, D VVS1, GIA 1513667730$1,444
  28. 3.16 Carat Round Lab-Grown Diamond, D VVS1, GIA 1515667748$1,432
  29. 3.36 Carat Round Lab-Grown Diamond, D IF, GIA 1515707678$2,350
  30. 3.09 Carat Round Lab-Grown Diamond, D VVS1, GIA 6515707734$1,378
  31. 3.47 Carat Round Lab-Grown Diamond, D VVS1, GIA 7511668223$1,570
  32. 3.54 Carat Round Lab-Grown Diamond, D IF, IGI LG691526202$1,221
  33. 3.7 Carat Round Lab-Grown Diamond, G VVS2, IGI LG671495096$683
  34. 3.09 Carat Round Lab-Grown Diamond, F VS1, IGI LG691501498$517
  35. 3.61 Carat Round Lab-Grown Diamond, D VVS1, IGI LG629400686$1,410
  36. 3.53 Carat Round Lab-Grown Diamond, F IF, IGI LG633401447$1,326
  37. 3.12 Carat Round Lab-Grown Diamond, E VVS1, IGI LG650475774$769
  38. 3.13 Carat Round Lab-Grown Diamond, D IF, IGI LG654485633$1,058
  39. 3.02 Carat Round Lab-Grown Diamond, E IF, IGI LG654485737$1,000
  40. 3.61 Carat Round Lab-Grown Diamond, D IF, IGI LG654485748$1,466
  41. 3.01 Carat Round Lab-Grown Diamond, E IF, IGI LG654485750$995
  42. 3.13 Carat Round Lab-Grown Diamond, E IF, IGI LG654485755$1,035
  43. 3.01 Carat Round Lab-Grown Diamond, D IF, IGI LG671452612$1,019
  44. 3.15 Carat Round Lab-Grown Diamond, D IF, IGI LG674518601$1,065
  45. 3.5 Carat Round Lab-Grown Diamond, D VVS1, IGI LG674518645$1,368
  46. 3.16 Carat Round Lab-Grown Diamond, D VVS1, IGI LG674545790$1,068
  47. 3.15 Carat Round Lab-Grown Diamond, D IF, IGI LG675503864$1,065
  48. 3.38 Carat Round Lab-Grown Diamond, D IF, IGI LG675559558$1,141
  49. 3.14 Carat Round Lab-Grown Diamond, D IF, IGI LG678516622$1,061
  50. 3.28 Carat Round Lab-Grown Diamond, D IF, IGI LG680509011$1,107
  51. 3.40 Carat Round Lab-Grown Diamond, D IF, IGI LG680538404$1,147
  52. 3.72 Carat Round Lab-Grown Diamond, D VVS1, IGI LG685504596$1,452
  53. 3.54 Carat Round Lab-Grown Diamond, D IF, IGI LG685504600$1,438
  54. 3.22 Carat Round Lab-Grown Diamond, D VVS1, IGI LG685506602$792
  55. 3.13 Carat Round Lab-Grown Diamond, D IF, IGI LG685506604$1,058
  56. 3.04 Carat Round Lab-Grown Diamond, D IF, IGI LG685506605$1,029
  57. 3.12 Carat Round Lab-Grown Diamond, D IF, IGI LG687563693$1,056
  58. 3.76 Carat Round Lab-Grown Diamond, D VVS1, IGI LG689543279$1,467
  59. 3.42 Carat Round Lab-Grown Diamond, D IF, IGI LG689543280$1,154
  60. 3.24 Carat Round Lab-Grown Diamond, D IF, IGI LG689543281$1,095