Tanzanite Auctions

Chairish Auction House features fine art by Pablo Picasso, Andy Warhol, and David Hockney. The house also offers exceptional antiques, luxury collectibles, and mid-century modern furniture.

Clarks Auction Rooms is holding auctions throughout August 2026 featuring Jewellery, Collectables, Antiques & Furnishings. Upcoming sales include a 1937 Australian coin set, a Ming Period Celadon Bowl, and a Chinese Censer.

Auctions fine jewellery, gemstones, diamonds, gold, watches, and pre-owned estate jewellery.

Auctions gold, silver, diamonds, emeralds, and other fine jewelry.

Auction Ninjas features a wide array of estate sales and liquidations. The site lists categories including coins, stamps, collectibles, and furniture.

Specializes in estate auctions featuring a wide variety of household goods and collectibles.

O'Reilly's Auction Rooms is holding a Fine Jewellery, Watches, Silver & Coins auction on August 26, 2026.

Auctions fine art, Asian antiques, militaria, firearms, decorative arts, and historical collectibles.

Cordy's - Jewellery, Fine Art & Antique Auctions is holding an ONLINE ONLY ESTATE COLLECTABLE AUCTION from August 6-10, 2026, followed by the MERCY HOSPICE ART FUNDRAISER from August 5-17, 2026, and a JEWELLERY, DECORATIVE & FINE ARTS AUCTION on August 18, 2026. Additional ONLINE ONLY ESTATE COLLECTABLE AUCTIONS are scheduled for August 20-24 and August 27-31, 2026.

Argus Auctions is holding an unreserved property/estate clearance online auction ending Thursday, August 6. Upcoming auctions include a gym closure on Friday, August 7; banknotes and coins, engineering workshop closure, tool clearance, and sports memorabilia on Sunday, August 9 and Monday, August 10; a play centre & restaurant liquidation, a 2025 Suncamper motorhome, combined council, liquidators & contractors monthly truck & machinery auction, Brisbane transport fleet repossessions, civil services company liquidation, and estate jewellery on Tuesday, August 11; $1M Tanzanite wholesale lots on Wednesday, August 12; lab grown diamonds & jewellery on Thursday, August 13; a commercial bakery liquidation and 9ct gold necklaces & bracelets on Friday, August 14; and a massive gym liquidation on Monday, August 17. Several other auctions are listed as "Coming Soon for August."

US Auction Online is holding upcoming auctions featuring a variety of items including art by Shadian and Peter Max, a 7.10ctw diamond bracelet, a Rolex Datejust 16233 watch, a 1907 No Motto St. Gaudens $20 Gold Piece, and a 15.0MM pearl and diamond pendant necklace.

Florida Estate Sales is holding its "Last Days of Summer Auction" on August 22, 2026, featuring works by artist Mary Proctor, including "Grandma's Button," "Angel in You," and "Baptism of Mary."

Upcoming auctions include a luxurious pearl jewellery collection from M&N Emporium closing August 3, followed by costume and silver jewellery on August 4, and lab-grown diamonds and jewellery on August 8. On August 10, Philips will offer modern and antique jewellery, while Leonard Joel presents a private collection of Robert Clerc jewellery on August 17.

Pfeffer's Auctions specializes in fine jewels and prestige watches, featuring brands like Rolex, Cartier, and Audemars Piguet. The house also handles antique sterling silver and rare coins.

Great Lakes Coin & Jewelry features bullion, including gold, silver, and platinum, alongside rare coins and paper currency. The house also offers estate jewelry, with items like Konstantino silver and gold cuff bangles.

Federal Auction Service specializes in liquidating fine jewelry and Swiss watches, with a notable emphasis on a remarkable selection of Rolex models. The house also features items such as GIA certified diamond rings and rare gold coins.