![]() The diamonds accenting the ring have a total weight of 3.37 carats. The gem is a very dark blue almost black color and weighs 70.79 carats. First appeared in 'Hate Triangle,' in which she serves as the main antagonist. ![]() This large star sapphire from Sri Lanka exhibits a rare 12-rayed star, probably caused by two sets of mineral inclusions oriented at 30° from each other. Carol Ferris (also known as Star Sapphire) is a recurring character in the second generation of the DC Super Hero Girls franchise. Star sapphire belongs to the gem type known as corundum. ![]() A typical specimen had a base value of 5,000 gp or 1,000 gp depending on market. About one in a thousand sapphires was a star sapphire. Star sapphires were more opaque than regular gem-quality sapphires. Asterism is a reflective optical effect that highlights a white six-pointed star on the surface of cabochon-cut stones. Condition Details: There are some fine & light dings to the shank, and some light edge wear. Star Sapphire was a very rare form of sapphire that exhibited asterism. Simply a terrific cocktail ring Date: Mid-20th Century Overall Condition: It is in overall good, as-pictured, used estate condition. When a stone is cut with a domed top and flat bottom, called a cabochon, the reflected light is focused into bright bands that form the "star." Needlelike crystals of the mineral rutile inside the sapphire crystal that are aligned in three directions, intersecting at120°, form a 6-rayed star. The phenomena known as asterism is what makes the star sapphire a true marvel. Pave set with small round diamonds across the owls face and with grey star sapphire cabochons as eyes. ![]() Asterism is caused by light reflecting off of parallel bundles of tiny hollow tubes or fibrous crystals of another mineral inside the gemstone. It is an interesting member of the gem kingdom because it displays an optical phenomenon called asterism. Star sapphire is considered a phenomenal stone. Star Sapphire is a type of sapphire displaying an optical star-like effect. This platinum ring has a round cabochon star sapphire as the centerpiece, accented with round brilliant cut diamonds set in "leaf-like" prongs, and baguette cut diamonds fanned on the sides of the shank. ![]()
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