2 days LeftEDWARDIAN AMETHYST AND PEARL GOLD PENDANT NECKLACEEst. ÂŁ300-ÂŁ600ÂŁ150Etrusca AuctionsLondon, UK
Jul 22, 2026A CALLIGRAPHIC INSCRIBED AMETHYST RING ON GOLD, 14TH CENTURY AND LATER, PERSIAEst. ÂŁ2,000-ÂŁ3,000ÂŁ1,600PLAKASLondon, UK
Jul 23, 2026A ROMAN AMETHYST CAMEO OF MEDUSA CIRCA 2ND CENTURY A.D.Est. ÂŁ1,000-ÂŁ1,500ÂŁ800PLAKASLondon, UK
Jul 15, 2026Amethyst & Diamond Bracelet 10Kt. This elegant bracelet features stunning amethyst gemstones set inEst. $1,889-$2,320$20Pacific Auction HouseLos Angeles, CA
Jul 21, 2026Vintage Mario Buccellati Silver Amethyst Nautilus Shell NecklaceEst. $1,200-$2,500$600Farber AuctioneersLambertville, NJ
7 days Left18 KT YELLOW GOLD RING WITH AMETHYST AND DIAMONDSEst. €2,000-€3,000€1,600SPANGARO & COUdine, Italy
5 days LeftSteuben Amethyst Optic Rubbed Art Glass 8.5in Trumpet Vase #2909 SignedEst. $250-$300$200Taylor & HarrisWILMINGTON, CA
Jul 23, 2026A ROMAN AMETHYST & GOLD AMULET, CIRCA 1ST-2ND CENTURY A.D.Est. ÂŁ500-ÂŁ700ÂŁ400PLAKASLondon, UK
Jul 15, 2026Amethyst Pendant / Necklace 18Kt.Est. $1,899-$2,650$20Pacific Auction HouseLos Angeles, CA
Jul 21, 2026Antique Edwardian 14k Gold Amethyst Cross PendantEst. $2,200-$3,000$1,600Farber AuctioneersLambertville, NJ
Jul 24, 2026VINTAGE 14K GOLD AND AMETHYST RINGEst. $400-$600$200Thomaston Place Auction GalleriesThomaston, ME
Jul 23, 2026A ROMAN AMETHYST INTAGLIO OF A GRYLLOS WITH THE IMAGE OF FIVE FACES, CIRCA 1ST CENTURY A.D.Est. ÂŁ800-ÂŁ1,200ÂŁ600PLAKASLondon, UK
Jul 24, 2026In ancient Rome, the amethyst owl pendant was hand-inlaid in 22k gold, embellished with rubies.Est. $2,800-$5,000$2,800HEAVEN'S EARTH ANTIQUE CO LLCSan Francisco, CA
Jul 28, 2026A Russian Faceted Amethyst Glass Tumbler circa 1Est. $300-$500$1Heritage AuctionsDallas, TX
Jul 15, 2026Amethyst Pendant / Necklace 14Kt.Est. $1,543-$2,032$20Pacific Auction HouseLos Angeles, CA
Jul 24, 202610K GOLD AMETHYST TENNIS BRACELETEst. $300-$400$150Thomaston Place Auction GalleriesThomaston, ME
Jul 21, 202614K Gold Silver 10Ct Amethyst Diamond Cocktail RingEst. $1,200-$1,800$800Farber AuctioneersLambertville, NJ
Jul 23, 2026A ROMAN, AMETHYST SEAL DEPICTING A RECUMBENT HOUND, CIRCA 2ND-3RD CENTURY A.D.Est. ÂŁ1,000-ÂŁ1,500ÂŁ800PLAKASLondon, UK
2 days LeftVintage 14k White Gold Amethyst Floral Brooch PinEst. $4,849-$6,303$100BidhausNew York, NY
Jul 23, 2026A GREEK AMETHYST SCARABOID INTAGLIO OF A SPHINX SET IN A BRONZE SWIVEL, CIRCA 4TH-3RD CENTURY B.C.Est. ÂŁ600-ÂŁ800ÂŁ500PLAKASLondon, UK
Jul 23, 2026AN AMETHYST INTAGLIO OF A PHILOSOPHER, CIRCA 1ST CENTURY A.D.Est. ÂŁ600-ÂŁ800ÂŁ500PLAKASLondon, UK
1 day LeftElegant South Sea Pearl Amethyst Diamond Chandelier Earrings 18K Gold PlatinumEst. $6,084-$7,909$100Mynt AuctionsNew York, NY
2 days LeftChopard 18K White Gold Purple Amethyst Square Stud EarringsEst. $4,082-$5,306$100Mynt AuctionsNew York, NY