C. 1980 Vintage Tiffany Jewelry "Schlumberger" Black Onyx Ring in 18kt Yellow Gold. Size 6.5
18kt Yellow Gold
Onyx (Color: Black, Quantity: 1, Shape & Cutting Style: Oval Carved, Size: 14 mm x 11 mm)
18KT: Karat (abbreviated kt or K) is a unit that indicates the purity of gold in the metal. 18kt is 75% gold. In Europe, 18K yellow gold is most favored and used in jewelry.
YELLOW GOLD: Gold is a precious metal with a natural yellow color. It is quite soft and often alloyed with other metals to increase its strength. The purity of the metal is indicated by a unit called a "karat," with 24kt having the highest percentage of natural gold.
ONYX: A favorite of the ancient Greeks and Romans, this gemstone adds a sophisticated shine to rings, necklaces, bracelets and earrings. A dyed form of chalcedony, onyx is most popularly found in black although it can be green, white or red, as well.
OVAL: An elliptical shape that resembles an egg.
CARVED: When a gemstone is cut so that the outline or surface takes the form or likeness of a specific image or pattern.
All weights and measures are approximate. Most gemstones have been treated to enhance their natural beauty.
Ross-Simons Presentation Box Your purchase includes an elegant Ross-Simons presentation box.
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