Results for “Agate”

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Jun 04, 2026

Sasanian Marbled Agate Stamp Seal with Bull

Est. £60-£80

£5

TimeLine Auctions Ltd.Harwich, Essex

Luca Carati 18K Rose Gold Red Agate Diamond Cocktail Ring 1.22 Cttw: Luca Carati 18K Rose Gold Red Agate Diamond Cocktail Ring 1.22 Cttw This exquisite cocktail ring by Luca Carati is a stunning blend of elegance and craftsmanship. It features a striking natural pear-s

May 25, 2026

Luca Carati 18K Rose Gold Red Agate Diamond Cocktail Ring 1.22 Cttw

Est. $6,058-$7,875

$100

Mynt AuctionsNew York, NY

A Fabergé Moss Agate-Mounted Parcel-Gilt Silver: A Fabergé Moss Agate-Mounted Parcel-Gilt Silver Box Fabergé, Moscow, 1908-1917 0-7/8 x 4-3/4 x 3-1/4 inches (2.2 x 12.1 x 8.3 cm) 2

4 days Left

A Fabergé Moss Agate-Mounted Parcel-Gilt Silver

Est. $6,400-$7,680

$6,000

Heritage AuctionsDallas, TX

Victorian 18k Gold Agate Cameo Stick Pin Antique Collectible: Victorian 18k Gold Agate Cameo Stick Pin Antique Collectible This exquisite antique Victorian collectible features a petite stick pin crafted from solid 18k yellow gold. At the centerpiece is a natura

3 days Left

Victorian 18k Gold Agate Cameo Stick Pin Antique Collectible

Est. $442-$574

$100

BidhausNew York, NY

FEATURED

Van Cleef Arpels Magic Alhambra Blue Agate Long Chain 18K Yellow Gold Pendant Necklace: Description: Elegant Van Cleef Arpels Magic Alhambra long chain necklace crafted in 18K yellow gold, featuring a striking blue agate motif. The design is framed by the Maison signature beaded gold bor

1 day Left

Van Cleef Arpels Magic Alhambra Blue Agate Long Chain 18K Yellow Gold Pendant Necklace

Est. $5,500-$7,500

$2,750

Victorins AuctionsTokyo, Setagaya City

LARGE COLLECTION OF GREY BOTSWANA AGATE TUMBLED STONES: A collection of seven Botswana agate banded chalcedony specimens featuring gray and brown banding with strong fortification patterns, including one example with moss inclusions. Condition: All specime

Jun 11, 2026

LARGE COLLECTION OF GREY BOTSWANA AGATE TUMBLED STONES

Est. $50-$100

$25

Dan Morphy AuctionsDenver, PA

Mixed Cut and Polished Agate Half Geode Group [10]: Comprising ten cut geode halves showing crystalline centres. 1.66 kg total, 4.7-10.7 cm (1 7/8 - 4 1/4 in.). [20, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gre

Jun 06, 2026

Mixed Cut and Polished Agate Half Geode Group [10]

Est. £30-£40

£5

TimeLine Auctions Ltd.Harwich, Essex

Mid-Century Brutalist Brass Choker with Light Blue Agate Pendant: Mid-Century Brutalist Brass Choker with Light Blue Agate Pendant Discover a stunning mid-century brutalist choker necklace featuring a captivating large light blue agate stone set within a uniquely cr

May 25, 2026

Mid-Century Brutalist Brass Choker with Light Blue Agate Pendant

Est. $2,808-$3,650

$100

Mynt AuctionsNew York, NY

Sasanian Banded Agate Stamp Seal with Wolf: Circa 3rd-7th century A.D. With possibly later frieze of an advancing wolf beneath a crescent moon 11.85 grams, 24.10 mm (1 in.). [No Reserve] From the private collection of a European gentleman (1942

Jun 05, 2026

Sasanian Banded Agate Stamp Seal with Wolf

Est. £60-£80

£5

TimeLine Auctions Ltd.Harwich, Essex

Collection of Twenty [20] Cut and Polished Agate Geode Slices: Comprising twenty translucent polished slices, some showing crystalline areas, some dyed. 415 grams total, 5-11.9 cm (2 - 4 3/4 in.). [20, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley

Jun 06, 2026

Collection of Twenty [20] Cut and Polished Agate Geode Slices

Est. £30-£40

£5

TimeLine Auctions Ltd.Harwich, Essex

Collection of Six [6] Cut and Polished Agate Geode Sections: Comprising six polished sections, four showing vibrant red to brown to white banding, and having felt-backed bases; one with a cut base and green banding. 2.75 kg total, 12.3-16 cm (4 7/8 - 6 1/4 in.)

Jun 06, 2026

Collection of Six [6] Cut and Polished Agate Geode Sections

Est. £40-£60

£5

TimeLine Auctions Ltd.Harwich, Essex

LARGE COLLECTION OF 16: RED AGATES: A collection of sixteen banded agate nodules formed in volcanic rock cavities. These banded chalcedony quartz specimens display red and brown coloration from iron and mineral impurities, with concentr

Jun 11, 2026

LARGE COLLECTION OF 16: RED AGATES

Est. $100-$150

$50

Dan Morphy AuctionsDenver, PA

Collection of Ten [10] Cut and Polished Agate Geode Slices: Comprising ten translucent slices, some with crystalline areas. 1.02 kg total, 9.8-18.5 cm (3 7/8 - 7 1/4 in.). [3, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (G

Jun 06, 2026

Collection of Ten [10] Cut and Polished Agate Geode Slices

Est. £40-£60

£5

TimeLine Auctions Ltd.Harwich, Essex

Sasanian Banded Agate Stamp Seal: Circa 3rd-7th century A.D. With incuse geometric motif to the underside. 1.28 grams, 12.17 mm (1/2 in.). [No Reserve] From the private collection of a European gentleman (1942-2024), formed since the

Jun 05, 2026

Sasanian Banded Agate Stamp Seal

Est. £60-£80

£5

TimeLine Auctions Ltd.Harwich, Essex

Set of Six [6] Cut, Polished and Felt-Backed Agate Coasters: Comprising six polished slices in gently graduated sizes, cut from the same geode. 372 grams total, 8.8-10.2 cm (3 1/2 - 4 in.). [6, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloy

Jun 06, 2026

Set of Six [6] Cut, Polished and Felt-Backed Agate Coasters

Est. £20-£30

£5

TimeLine Auctions Ltd.Harwich, Essex

Large Sasanian Agate Stamp Seal: Circa 4th-5th century A.D. With inscribed geometric design to the underside. 16.25 grams, 26.35 mm (1 in.). [No Reserve] From the private collection of a European gentleman (1942-2024), formed since t

Jun 04, 2026

Large Sasanian Agate Stamp Seal

Est. £40-£60

£5

TimeLine Auctions Ltd.Harwich, Essex

10.60 CT LAPIDARY AGATE FOR MOUNTING: 10.60CT. PROVENANCE: STOCK OF A RETIRED JEWELER.

4 days Left

10.60 CT LAPIDARY AGATE FOR MOUNTING

Est. €50-€100

€20

Templum Fine Art AuctionsBarcelona , ES

Cut and Polished Agate Crystal Geode Pair: Comprising two halves from the same geode, showing contrasting, nearly straight banding at the bottom with a quartz crystal-filled cavity above. 1.08 kg total, 10.9-11 cm (4 1/4 in.). [2, No Reserve]

Jun 06, 2026

Cut and Polished Agate Crystal Geode Pair

Est. £30-£40

£5

TimeLine Auctions Ltd.Harwich, Essex

Ten [10] Mixed Cut and Polished Agate Geode Half Group: Each showing a crystal-lined cavity and some with attractive banding, one with globular pink formations within the cavity. 1.18 kg total, 50-85 mm (2 - 3 3/8 in.). [10, No Reserve] From Brazil. Ex Min

Jun 06, 2026

Ten [10] Mixed Cut and Polished Agate Geode Half Group

Est. £30-£40

£5

TimeLine Auctions Ltd.Harwich, Essex

Western Asiatic Agate Bead Collection: 1st millennium B.C. Comprising mainly biconical and tubular beads in various sizes. 54.56 grams total, 2.62-29.14 mm (Largest: 1 1/8 in.). [49, No Reserve] From the private collection of a European ge

Jun 04, 2026

Western Asiatic Agate Bead Collection

Est. £100-£140

£5

TimeLine Auctions Ltd.Harwich, Essex

Greek Agate Gemstone with Running Hound: Circa 300-200 B.C. With intaglio running hound; chipped; supplied with a museum-quality impression. 0.53 grams, 11.01 mm (3/8 in.). [No Reserve] From the private collection of a European gentleman (19

Jun 03, 2026

Greek Agate Gemstone with Running Hound

Est. £100-£140

£5

TimeLine Auctions Ltd.Harwich, Essex

Cut and Polished Agate Geode Slice Group: Comprising six translucent slices showing red, orange and grey banding together with colourless quartz crystal formations. 392 grams total, 13.2-13.8 cm (5 1/4 - 5 3/8 in.). [6, No Reserve] Ex Mineral

Jun 06, 2026

Cut and Polished Agate Geode Slice Group

Est. £30-£40

£5

TimeLine Auctions Ltd.Harwich, Essex

Group of Three [3] Cut and Polished Malawi Agate Geode Halves: Comprising three sections with a polished cut face, each with a crystal-lined centre and showing contrasting banding. 1.57 kg total, 8.8-16 cm (3 1/2 - 6 1/4 in.). [3, No Reserve] From Malawi. Ex Mine

Jun 06, 2026

Group of Three [3] Cut and Polished Malawi Agate Geode Halves

Est. £30-£40

£5

TimeLine Auctions Ltd.Harwich, Essex

Collection of Six [6] Cut and Polished Agate Geode End Pieces: Comprising six freestanding sections, three with enhanced dyed colouring. 3.05 kg total, 10.4-14.8 cm (4 1/8 - 5 7/8 in.). [6, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gre

Jun 06, 2026

Collection of Six [6] Cut and Polished Agate Geode End Pieces

Est. £40-£60

£5

TimeLine Auctions Ltd.Harwich, Essex

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