Natural Blue Sapphire (Corundum)

• 1.11 carats
• 5.88 x 6.83 x 3.69 mm
• Certified by Nan Yang Gemological Institute from Singapore.
• There is no thermal enhancement (unheated) of the sapphire, which is used to improve the colour and clarity and remove colour zoning. 
• It has been certified by Nan Yang Gemological Institute in Singapore.
• Intense blue with good brilliance due to its clarity and good cutting. Most importantly, it does not look dark when come indoors. One definitely does not wish the blue sapphire to look black during an indoor event. 
• Propose with this heart shape precious stone makes everything even more meaningful.
• The gem ring is set with 18k white gold and diamonds. Classic design that will last forever.
• Ring size is 13. Sizing is used by China/Japan/Singapore.