Opal Auctions

Clarks Auction Rooms hosts regular bidding events featuring jewelry & watches, art & collectibles. Visit their website for upcoming auction catalogs.

Auctions antiques, watches, guitars, musical instruments, paintings, jewellery, clocks, and decorative arts.

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

Auctions fine art, sculptures, antiquities, furniture, clocks, majolica, ceramics, jewelry, watches, silver, and park decoration.

Auctions livestock, specifically cattle.

Auctions a variety of items, including commemorative coins and general goods.

First State Auction specializes in fine jewelry and luxury watches, such as a 10.84ct Diamond Tennis Bracelet. Their auctions feature rare collections, with complimentary and insured international shipping offered.

Auctions fine art, antiques, ceramics, jewellery, watches, and coins.

Bruun Rasmussen specializes in Fine Art, Modern Art, Modern Design, Antiques, Jewellery, Handbags, and Wristwatches. The auction house also offers valuation services for these categories, alongside Decorative Art and Older Furniture, through private home visits and dedicated valuation days. They also feature Coins and Stamps in some valuation events.

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

Auctions scarce antique items.

Omnia Auctions hosts regular bidding events featuring art & collectibles, jewelry & watches. Visit their website for upcoming auction catalogs.

Apocardlypse Now Sports Cards and Collectibles is among the unique offerings at Auction Ninjas, which also features a wide array of estate sales and general merchandise. The platform provides both shipping and pickup options for bidders.

Metzger Auction is holding auctions for a 3-bedroom home and a 3-bedroom waterfront home on July 16. Upcoming auctions include various collectibles, tools, and merchandise from July 18-21, real estate and firearms on July 23, the Ray & Karen Parker Trust Estate Auction and Land Auction on July 25, sports cards on July 27, a 3-bedroom ranch home and various items on July 28, lakefront real estate and a 1952 Chevrolet Restored Truck on July 29, a country homestead on August 4, glassware, furniture, and a classic 2-bedroom brick ranch and a riverside retreat on August 6, industrial tools on August 7, and a ranch home with an inground pool, a 2-story brick condo, and a pontoon with coastal decor on August 11.

Harris Estate Services hosts regular bidding events featuring real estate. Visit their website for upcoming auction catalogs.

Auctions antiques and collectables, including prehistoric fossils.

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

Upcoming auctions include Estate Auction – Asian Items, Gems & Fossils, Clocks And Collectables, New South Wales Diamonds, Jewellery, Watches And Memorabilia, Opulent Galleria – Gold Filled Jewellery + Free Bracelet!!, Gold, Diamond And Designer Jewellery Auction, M&N Emporium – Luxurious Pearl Jewellery Collection, and Natural Pink Diamond Auction on July 12; Jewellery | An Inner West Family Collection on July 14; and M&N Emporium – Luxurious Pearl Jewellery Collection on July 17.

Upcoming auctions include Leonid Afremov original and studio paintings on Jul 19, DESIGN, GLASSES XX CENTURY FURNITURE on Jul 28, and Antique & Modern Jewelry, Fashion & Watches on Jul 28.

Sheffield Auction Gallery is holding a Football Programmes & Sporting Memorabilia Auction on July 30, 2026, followed by an Antiques & Collectables Auction on July 31, 2026. Upcoming auctions in August include a Specialist Collectable Toys & Comics Auction and a Silver, Jewellery & Watches Auction, both on August 13, 2026.

Florida Estate Sales is holding an auction featuring Mary L. Proctor's artwork on July 26, and the "Shimmering Gold Auction - Fine Jewelry & More" on August 1.