Diamond
Carbon · Precious Gemstone
Crystal System
Cubic (Isometric), octahedral habit
Mineral Group
Native Elements
Chemical Formula
C
Formation Process
Mantle conditions at high temperatures and pressures (150 kilometers deep)
About This Crystal
Transparent, faceted brilliant-cut round stone set in a vintage ring mounting, exhibiting high brilliance and dispersion with adamantine luster
Physical Characteristics
Colorless to white, white streak, perfect octahedral cleavage in four directions, conchoidal fracture, specific gravity 3.52, brittle
Optical Properties
Singly refractive, high refractive index (2.417), strong dispersion (fire) of 0.044, isotropic
Hardness & Durability
Origin Region
South Africa, Russia, Canada, Australia, Botswana
Hardness & Durability
Mohs hardness 10, exceptional durability, perfectly suited for daily wear in jewelry despite perfect cleavage
Care & Maintenance
Clean with warm soapy water, soft brush, or professional ultrasonic cleaning; store separately from other jewelry to prevent scratching
Rarity & Value
Varies widely from common to rare depending on the 4Cs (cut, color, clarity, carat weight); treatments include HPHT and laser drilling
Special Characteristics
Strong dispersion (fire), high thermal conductivity, occasional blue or yellow fluorescence under UV light
Lore & History
Symbol of eternal love, strength, and invincibility; historically associated with the Crown Chakra in modern metaphysical traditions