Vintage Agate Jewelry

A neutral hue agate jewelry dish, decorative object, or small bowl/vessel.

A beautiful, natural, rich dark brown and white agate jewelry dish, decorative object, or small bowl/vessel, in the Organic Modern design, circa mid-20th century, Brazil (as marked.)

A beautiful blue grey agate onyx vessel, Organic Modern, circa 20th century.

A beautiful, natural, brown, tan, honey, cream onyx agate dish with decorative ball sphere in the organic modern style.

Vintage Hollywood Regency Agate Gilt Brass Jewelry Box Circa 1960's, Italy Brass rectangular jewelry box from Italy.

Vintage 18K White Gold Diamond Green Agat Two Strands 17.5" - 19" Japanese Akoya 8.2 - 8.9mm Pearl Necklace Among all the pieces of jewelry, there exists one that possesses a remark...

14K yellow gold and agate jewelry set comprising: 1.) A ladies' cocktail ring (Interior diameter 5/8") with spherical agate center stone (5/8" diameter) flanked by three gold balls o...

An impressive pair of vintage 1980s 5.50 carat agate and 18 karat yellow gold stud earrings; part of our diverse gemstone jewelry and estate jewelry collections.

An imaginative pendant by acclaimed Japanese jewelry designer Miichi Iguchi, beautifully crafted in 18 karat yellow gold.

Simply Beautiful! Finely detailed Emerald Diamond and Agate Gold Dragonfly Vintage Brooch Pin. Hand set with a 1.25 Carat Emerald, .18tcw Diamonds and Agate. Beautifully Hand crafted...

Elegant long necklace set with rose quartz, green quartz, onyx and agate. The rose quartz ranges in size from 4mm to 8mm. The green quartz ranges in size from 4mm to 10mm. The agat...

Finely detailed large Capricorn agate medallion pendant crafted in 14k yellow gold (circa 1970s).

Finely detailed large Leo agate medallion pendant crafted in 14k yellow gold (circa 1970s).

Banded Agateand Brooch Metal Type: Silver Approximate Measurements: 2.5" Long

Agate Bead Necklace A necklace with variously shaped agate beads, separated by ancient beads. Approximate Length: 25"

Stylish vintage Frog on a Lilypad ring crafted in 14 karat yellow gold (circa 1970s). Agate measures 34mm x 23mm. The agate is in good condition with a few light abrasions to the e...

Agate Bead Necklace A necklace featuring an assortment of multi shape agate & 18 karat gold beads Measurements: 24.25" long

A round Brazilian agate onyx and wood trinket or jewelry box, in the Modern style Post-Modern period, circa-late 20th century, 1980s early 1990s, Brazil.

Necklace in silver with black agate. It can be worn like you prefer ( one, two or three turns ). This necklace was totally hanmdade by Italian master goldsmiths and it is in perfect ...

Large vintage Moorish wedding jewelry box inlaid with semi-precious agate stones and covered with brass and silvered metal filigree.

Antique Chinese glass snuff bottle with a smooth, rounded form and a striking red agate cap fitted with the original snuff spoon. Elegant and well-balanced, this piece reflects the r...

Beautifully carved flower brooch of agate centered with citrine by the late American jewelry designer, Andrew Clunn.

Antique Agate Cameo Pendant An oval agate cameo pendant featuring light blue enamel on the border. Approximate Length: 2.5" Metal Type: 18 karat yellow gold

Multicolored agate bead necklace with four aventurine quartz accent beads, brass bead spacers, and clasp. Beads range from 10.5mm to 17.30mm. Tarnish on brass beads. No maker's mark.

It is a banded stone, often with layers of contrasting colors such as browns, oranges, blues, and greens. Agate is believed to have grounding properties, adding an extra layer of sig...

Large agate slice pendant in silver setting. Beautiful natural banded design agate in modernist setting. Measures approx 3 5/8" long, 2" wide. Agate measures approx 45mm x 22mm. ...

A lovely pair of 1950’s Gentleman’s French Silver plate and Moss Agate Cufflinks. A domed polished natural moss agate stone is set in a Greek Key, pierced mount. The cufflinks ...

Amazing earrings in platinum structure mounted with onyx and diamonds for all the lenght. These earrings were totally handmade by Italian master goldsmiths and they are in perfect co...

Unusual 1970's necklace and earring suite from by Marcel Boucher with agate slice stones. Textured gold bar link necklace with spikey star settings on stone mounts. Clip back fitting...

Elegant multi- strand necklace mounted with two structures in platinum studded with diamonds, black agate and green agate and three strands of coral. This necklace was totally handma...

This charming vintage brooch sold by Kentshire at Bergdorf Goodman features an Agate carved into a romantic heart shape, set in a warm gold-filled frame. The smooth, translucent agat...

A classic pair of cufflinks with an oval agate cabochon framed within a sterling rope detail. Stamped "Sterling" on the toggle.

A beautiful, natural, light grey/blue onyx agate dish, decorative object, or small bowl/vessel.

A beautiful, natural, blue/dark gray onyx agate dish, decorative object, or small bowl/vessel in the organic modern style.

Victorian Dendritic Agate and Diamond Brooch Description: This Victorian brooch showcases a mesmerizing oval dendritic agate, known for its natural fern-like inclusions that appear ...

Fantastic earrings in platinum structure mounted with black agate and white enamel. These earrings were totally handmade by Italian master goldsmiths and they are in perfect conditio...

Attractive Agate and Antique Bronze Brooch by Stephen Dweck. Natural agate cabochons are mounted into ornate wire and ball frame settings. Signature filigree work on back of setting...

This carved flower brooch of white agate by Andrew Clunn is as much a piece of sculpture as a piece of jewelry.

Amazing earrings in platinum structure mounted with a black agate with a diamond in the upper part; in the middle, a black agate between two structures studded with diamonds and, as ...

Oversized Sterling and agate modernist cufflinks. Excellent Condition. 1950's USA. L 1.25" W 1"

This modernist vintage silver bracelet is a beautifully crafted piece, blending a rustic elegance with timeless design elements. The focal point of the bracelet is a striking triangl...

Fantastic earrings in platinum structure mounted with diamonds, black agate and enamel. These earrings were totally handmade by Italian master goldsmiths and they are in perfect cond...

Antique 18K Gold Pink Agate Cameo Necklace Approximate Dimensions: 49.5 cm (Length) 1.5 - 2.5 cm (Width) 4 cm x 2.2 cm (Pendant) 58.0 grams in weight.

Fantastic earrings in platinum structure mounted with diamonds, black agate and enamel. These earrings were totally handmade by Italian master goldsmiths and they are in perfect cond...

A fine antique gold, agate, and bloodstone stick pin. In 10 karat yellow gold (with a gold plated pin). The head with a cross device to the center with red agate cabochons to each ...

Finely crafted in 18k yellow gold with Cabochon Turquoise and Pink Agate, as well as four Round cut Rubies. Circa 1970s Made in Italy 1 1/4 inches

Here we have stylish brooch showcasing a striking design, featuring a central orange citrine flanked by two agate stones. The frame has been crafted entirely from 18ct yellow gold, c...

Fantastic earrings in 9 kt white gold structure mounted with a plate of black agate and, on it, a structure in 9 kt white gold studded with diamonds. These earrings were totally hand...

Amazing earrings in platinum structure mounted with a black agate in the upper part; for all the length diamonds and a sphere of coral. These earrings were totally handmade by Italia...

Bezel set Agate set in sterling silver along with smokey quartz.

A fine vintage stickpin. In 14 karat rose-toned gold. Bezel-set with a milky, pink/orange agate cabochon and framed by a beaded oval frame. The stone has a slight iridescence. Sim...

Sterling silver and lapis or agate cufflinks created by Enrique Ledesma of Taxco, Mexico. Cufflinks measure 7/8" by 1/2" and are signed Ledesma, Taxco, 925. In very good vintage co...

The central motif is sculptural, set with tumbled agates and amythests. Grosse produced high quality jewelry for companies such as Christian Dior.

This striking Alashan cracking pattern agate strand bracelet showcase the incredible natural geometry of highly coveted desert gemstones.

Beautiful cuffs handmade by expert craftsmen, in 14K yellow gold and green agate. The barrels are made of green agate The total weight of the cuffs corresponds to 11.90 grams

Artisan handmade pink abalone shell and vari colored agate cabochons form this modernist style mask pendant,set in patinaed silvertoned metal. 1950's. Excellent condition.

Forged in nature. Carved from mother earth, this vintage oval cut agate gemstone Buccellati pendant is beautifully highlighted with an 18 karat yellow gold hand engraved Gemini zodi...

Rare pair of vintage Bulgari earrings in yellow gold, set with coral, onyx and white agate, with an impressive total weight of 54 grams. An iconic floral design developed vertically,...

Fabrice, Paris designed this stunning geometric brooch. The rare piece features a massive open donut design with a high-gloss silvered metal frame composition embellished with carved...

A rare collector's piece that moves seamlessly from jewelry to wearable art. Details Maker: French Period: 1970s Origin: France Metal: 18 Karat Yellow Gold Stones: Agate, Quartz, Dia...