BARADAK GEM GUIDE
Price of Lapis Lazuli per carat
BARADAK separates lot acquisition, dealer market and public retail asking. Valuation depends on variety, origin, treatment, quality, weight and cut.
Analyze this gemstone
Mohs
~5–6 (BARADAK reference; current GIA facts block does not list Mohs)
Mineral
Rock aggregate, mainly lazurite, calcite and pyrite
RI
~1.500; sometimes ~1.670
SG
2.75 ±0.25
What drives value
uniform saturated blue
low visible calcite
attractive pyrite distribution
treatment disclosure
craftsmanship
Buyer intelligence
The most prized material is uniform deep blue to violetish blue with little or no visible calcite; fine, evenly distributed pyrite can be attractive.
Care
Avoid acids, chemicals, steam and ultrasonic cleaning; dyed or waxed material needs extra care.
BARADAK uses summarized gemological information and links to technical sources; commercial ranges do not replace a laboratory report or formal appraisal.
GIA Gem Encyclopedia →