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4.5 / 5 mm Round Diamond-cut AA Umba Sapphire. Item #ACC625161

$299.20$377.60

Genuine Sapphire

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4.5 / 5 mm Round Diamond-cut AA Umba Sapphire

Specifications

Weight: 0.561 CT/ 0.445 CT
Color: Orange, Pink
Selling Unit of Measure: ea
Gemstone Quality: AA
Stone Enhancement Code: N
Month for Birthstone: September
Stone Hardness: 9
Gem Species: Corundum
Stone Phenomena: Asterism, Color Change, Chatoyancy (very rare)
mm Size: 5 mm
Chemical Reaction: Solutions containing Borax
Stone Specific Gravity: 4.00
Stone RI: 1.762-1.77
Heat Reaction: Poor-may sometimes improve color, but may cause loss of color
Major Sources: Australia, Cambodia, East Africa, India, Kashmir, Madagascar, Myanmar, Sri Lanka, Tanzania, Thailand, United States
Stone Optic Character: DR
Steamer Reaction: Usually safe
Stone Ultrasonic Reaction: Usually safe
Metal Option

Size Option

4.5 MM, 5 MM