Onyx Pendant Necklaces

Vintage Italian 18 karat white gold necklace with a 15mm diameter pearl, onyx spacer, and diamonds for a total of 1.3 carats / Made in Italy 1930s-1940s

Pendant in 18 karat yellow gold, eagle head hallmark. Of rectangular shape, this retro pendant is decorated with a cameo on onyx with 2 layers representing the head and the bust of a...

A fine and impressive antique onyx and 0.72 carat diamond, platinum Art Deco pendant; part of our diverse antique jewelry and estate jewelry collections This fine and impressive antique Art Deco pendant has been crafted in platinum. The drop style Art Deco pendant displays a feature bezel set cabochon onyx segmented into two sections, divided by a band platinum band ornamented with six Old European cut diamonds. The outer circumference of the feature cluster design is encircled with a paralleling platinum border embellished with twenty Old European cut diamonds. This feature Art Deco onyx and diamond design is suspended from an unembellished tapering setting. The pendant suspends from a contemporary 18" 18k white gold trace chain via an integrated ring loop to the upper border of the design, and secures with a conventional spring-loaded bolt ring fastening. This impressive pendant has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum. This onyx and diamond pendant is supplied with an independent diamond grading report card. Images do not always reflect the true color and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual color and showcases each stone. Condition This impressive antique 1930s necklace...

This pendant features an onyx heart adorned with a tricolor gold griffin holding a pearl in its tail. Our jeweler created this unique piece by riveting the griffin from an antique s...

A chic and beautiful long necklace of geometrical design with octagonal shaped onyx, circular jasper, connected by 18k yellow gold and diamond links. Made in Italy, circa 1980.

This is a very special pendant, handmade in Italy, using as a base a rectangular slab of onyx, on which you can see a flower basket with diamonds (0.80 carats) and precious stones. T...

Renowned for its modern & fierce jewelry, "Meghna Jewels" highlights her signature pave arches in this stunning Claw Pendant. Cast in 18K Gold and sterlin...

Renowned for its modern & fierce jewelry, "Meghna Jewels" highlights her signature pave arches in this stunning Claw Pendant. Cast in 18K Gold and sterlin...

Very decorative 18 K yellow Gold Vintage Multi strand Necklace with featuring a pendant with Rock Crystal, Onyx and 6 Diamonds weighing ...

Signed "Putti" platinum Black Onyx, carved with figures of a man and a woman, Brooch / Pendant. Circled with round brilliant cut diamonds with a total diamond weight of 1.50 carats....