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18K 4ct Lab-Grown Diamond Half-Bezel Solitaire

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Sale price$4,200.00

Two curved walls of 18K gold rise from the band to cradle a 4.06-carat lab-grown diamond—a half-bezel setting that splits the difference between security and exposure. The mount grips the stone at opposite points while leaving the crown and pavilion completely open, engineering that maximizes brilliance without compromising hold. E color grade means this stone faces up icy white, essentially colorless to anyone without a master set of comparison diamonds. VVS2 clarity puts it in rarefied territory where inclusions require 10x magnification and deliberate searching. At 10.32mm across, this fella changes the light in the room. The wide band beneath reads as intentional architecture rather than afterthought—proportioned to support four carats without disappearing, the whole thing balanced in a way that delicate bands never quite achieve with stones this size.

IGI report #LG700580758 included.

I just might keep this one…

  • METAL: 18K gold (verified by hallmark)
  • WEIGHT: 4.50 grams
  • SETTING STYLE: Half-bezel mount
  • SIZE: 6.25 US
  • HALLMARKS: 18KT, 700580758 (matching IGI inscription)
  • CONSTRUCTION: Contemporary CAD-designed precision mounting

Stone Science
  • CENTER STONE: 4.06ct round brilliant lab-grown diamond
  • DIMENSIONS: 10.32-10.37 × 6.20mm
  • COLOR GRADE: E (colorless range)
  • CLARITY: VVS2
  • CUT: Ideal proportions per IGI assessment
  • FLUORESCENCE: Present (blue under UV)
  • CERTIFICATION: IGI Report LG700580758
  • GROWTH METHOD: CVD (Chemical Vapor Deposition)
  • INSCRIPTION: Laser-inscribed IGI number on girdle
Era & History
  • ERA: Contemporary (circa 2020-2024)
  • CERTIFICATION: International Gemological Institute (IGI)
  • REPORT NUMBER: LG700580758
  • TYPE: Laboratory Grown Diamond Report
  • VERIFICATION: Report verifiable on IGI website
Condition Notes

Excellent condition consistent with recent manufacture. The half-bezel setting holds the diamond securely with no movement or play. All gold surfaces show high polish with no visible wear. The open undergallery is clean and unobstructed, allowing maximum light return. Laser inscription on girdle is present but only visible under magnification. The contemporary setting design means this ring can be sized up or down within reason, though half-bezel settings require an experienced jeweler to ensure the curved walls maintain proper grip on the stone after adjustment. The 4.5-gram weight reflects modern efficiency in gold usage—substantial enough to feel quality without excess material.