Blue Moon
88,44 Quilates · Bluish Green
The Blue Moon is one of the most extraordinary copper-bearing tourmalines ever catalogued by the GIA in the entire history of gemology. Weighing 88.44 carats with dimensions of 31.28 × 26.43 × 16.20 mm and a Modified Brilliant Oval cut, this stone occupies an absolutely singular place in the universe of colored gemstones — a rarity that transcends any conventional market classification.
Market Value Estimate
Per carat
$25,000/ct
Total estimate
$2,211,000
88.44 ct × USD 25,000/ct · Estimate based on international market benchmarks
Gemological Data
Technical Specifications
Species
Tourmaline (Elbaite)
Denomination
Paraíba — copper and manganese bearing
Origin
Mozambique (GIA confirmed)
Weight
88.44 carats
Dimensions
31.28 × 26.43 × 16.20 mm
Shape
Oval
Cut
Modified Brilliant Oval
Color
Bluish Green (Neon Blue-Green)
Saturation
Vivid — maximum chromatic saturation
Phenomenon
Neon — copper luminescence
Transparency
Transparent
Treatment
Clarity Enhanced
Certificate
GIA Report No. 2296592974
Report Date
June 22, 2018