4 days LeftAN AGATE BEAST MASK ARCHER'S RING AND A GREEN GLASS ARCHER'S RING CASE WITH "QIANLONG NIAN ZHI"Est. $1,500-$3,000$200(1 bid)Jumbo Auction HouseSan Gabriel, CA
4 days LeftAn Antique 14K Yellow Gold and Green Agate Signet Ring, circa 1900Est. $200-$300$100Alma AuctioneersTel Aviv, IL
1 day LeftVictorian Style 15K Yellow Gold Agate Shield RingEst. $1,000-$2,000$600Auctions at ShowplaceAstoria, NY
Jul 18, 2026Huge Navajo Sterling Fire Agate Flame Ring Sz 10Est. $150-$300$5Retro Roadshow AuctionsDublin, OH
4 days LeftSterling Silver 925 Mid Century Modern White Dendritic Agate Cabochon Ring Size 8.5Est. $50-$150$20Crafted AuctionsGermantown Hills, IL
3 days LeftRUSSIAN CARVED AGATE FROG NAPKIN RING W EMERALD EYESEst. $450-$700$50Antique Arena Inc.Brooklyn, NY
1 day LeftSterling Moss Agate Horse Head Ring Sz 8, 8.4gEst. $100-$350$4(2 bids)Retro Roadshow AuctionsMantua, OH
6 days LeftVintage Agate Sterling Silver Large Cocktail Rings Lot 70.6 GramsEst. $200-$300$90Dover JewelryMiami, FL
1 day Left8th-10th Century Islamic Dynasts Agate Seal RIngEst. $85-$10,000$80Gold Standard AuctionsDallas, TX
3 days LeftVintage Navajo Sterling Agate Ring Sz 9.5Est. $150-$300$10(2 bids)Retro Roadshow AuctionsMantua, OH
Jul 12, 2026A ROCK CRYSTAL AND A CARNELIAN AGATE FACETED RING, HUANEst. $500-$700$100Madison Square Gallery, Inc.New York, NY
Jul 02, 2026A ROMAN AGATE INTAGLIO RING DEPICTING NIKE, SET IN 18K GOLDEst. $3,000-$5,000$800oldstone ventures llcSummit, NJ
Jul 02, 2026GEORGIAN PERIOD MULTI-INTAGLIO AGATE 18K GOLD SIGNET RINGEst. $4,000-$5,000$1,000oldstone ventures llcSummit, NJ
Jul 08, 2026AN ISLAMIC SILVER SIGNET RING FEATURING AN ENGRAVED AGATE PLAQUE WITH CALLIGRAPHIC INSCRIPTION.Est. £150-£200£140Belmont AuctionsLondon, UK
Jul 02, 2026ANCIENT ROMAN NIKE AGATE INTAGLIO GOLD RINGEst. $3,000-$5,000$800oldstone ventures llcSummit, NJ
Buy NowLARGE ROMAN GOLD RING WITH AGATE INTAGLIO OF PEACOCKS ON WHEAT STALKS£3,000(1 bid)Apollo Art AuctionsLondon, UK
Jul 08, 2026AN ISLAMIC CALLIGRAPHIC ENGRAVED AGATE AND SILVER SIGNET RING.Est. £150-£200£100Belmont AuctionsLondon, UK
3 days LeftA AGATE INLAID THUMB RING WITH TREASURESEst. $1,800-$3,500$1,000Ancient Charm AuctionsErie, PA
5 days LeftWARRING STATES PERIOD RED AGATE HOLLOWED-OUT DOUBLE CHI DRAGON RING PENDANTEst. $2,000-$3,000$300Hotspot AuctionsAmherst, NY
3 days LeftA AGATE INLAID THUMB RING WITH TREASURESEst. $1,800-$3,500$1,000Ancient Charm AuctionsErie, PA
Jul 08, 2026AN ISLAMIC WHITE METAL AND AGATE SIGNET RING.Est. £300-£400£200Belmont AuctionsLondon, UK