JDBG GEMS

Natural Corundum · Orange Sapphire

Twinfire

Twinfire is a natural orange sapphire, a variety of corundum coloured by trace elements that give it a warm yellowish-orange body colour.

The 4.97 ct cushion is cut in a combined brilliant and step pattern and documented in an independent laboratory report as natural corundum with no indications of heating.

Rarity Score: 7.5 / 10

Location: Stockholm · Private collection · JDBG GEMS

Species
Natural Corundum
Weight
4.97 ct
Cut
Brilliant / step
Colour
Yellowish Orange
Phenomena
None
Certificate
Report on file
Variety
Natural Orange Sapphire
Dimensions
11.69 × 8.73 × 5.35 mm
Shape
Cushion
Transparency
Transparent
Treatments
No indications of heating (NTE)
Analysis
Microscope · FTIR · Raman · UV/VIS/NIR · LA-ICP-MS