Natural Extra Fine Black Onyx - Marquise Cabochon - Brazil - AAA+ GradeNW Gems & Diamonds
Natural Gems Only:
100% Earth Mined
No Synthetics, No Simulants
Full Disclosure of Any Treatments
Our gemstones are hand-selected with a strict criteria for cut, clarity, and color. All of our gemstones are inspected, evaluated, and screened by a GIA Certified Gemologist to guarantee quality and accuracy in grading.
MM size is the best measurement to select the right gemstone size. All gem carat weights are approximate.
100% Satisfaction Guarantee - Superior Quality - Free Matching Service
Shape/Cut: Marquise Cabochon
Clarity: Clean +
Color: Extra Fine Black
Specific Gravity: 2.6
Hardness (Mohs): 6.5-7
Treatment: Dyed (Standard)
With this gemstone we guarantee all grading, treatment disclosure and competitive pricing.
We believe in and follow full treatment disclosure of our gemstones.
100% satisfaction guaranteed. We back this gemstone with a no questions asked 30 day return policy.
All of our gemstones are inspected, evaluated, and screened by a GIA Certified Gemologist to guarantee quality and accuracy in grading.