NATURAL UNHEATED UNTREATED ETHICALLY SOURCED GEMSTONES

Collection: Precision Calibrated Melee & Accents

Engineered specifically for bench jewelers, CAD designers, and high-end manufacturers, our Precision Calibrated Melee collection provides the foundational accent stones required for flawless pavé settings, halos, channel settings, and multi-stone side detailing.
Every parcel in this collection consists of 100% natural, unheated, and untreated gemstones, ethically sourced and meticulously sorted to guarantee strict consistency across production runs.
  • Dimensional Tolerance: Calibrated accurately within a strict +/- 0.05mm variance for precise fitment into casting models and pre-cut seats.


  • Parcel Integrity: Hand-selected and meticulously matched for color tone, saturation, and eye-clean clarity, minimizing bench time spent sorting through mixed lots.
  • Flexible Sourcing: No rigid minimums per variant. Mix and match millimeter sizes across our natural sapphire, ruby, rhodolite garnet, and other semi-precious selections to seamlessly reach your $500 Trade Program threshold and unlock your 25% discount.
5 products
  • Natural Ruby Faceted (Unheated) 2.5 mm Round
    Regular price
    $40.50
    Sale price
    $40.50
  • Natural Ruby Faceted (Unheated) 2.4 mm Round
    Regular price
    $36.00
    Sale price
    $36.00
  • Natural Ruby Faceted (Unheated) 2.3 mm Round
    Regular price
    $31.50
    Sale price
    $31.50
  • Rhodolite Garnet Cabochon 3.5 mm Round
    Regular price
    $1.08
    Sale price
    $1.08
  • Rhodolite garnet Cabochon 2 mm Round
    Regular price
    $0.18
    Sale price
    $0.18