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


Genuine Sapphire


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

SKU 0c0b53803ce7 Category


4.5 / 5 mm Round Diamond-cut AA Umba Sapphire


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

Additional information

Metal Option

Size Option

4.5 MM, 5 MM