Black Diamond Auctions

US Auction Online is holding upcoming auctions featuring a 1900 $20 Liberty PCGS MS63+ gold coin, a 1.52ct GIA Certified Round Brilliant Cut loose diamond, and a 3.54ct Fancy Light Yellow and 2.00ctw Baguette Diamond Halo Ring in 14K yellow gold.

Upcoming auctions include fine jewellery, watches, coins, and objets d’art on September 16, featuring an antique Portuguese silver sugar urn, a French art deco gilt bronze desk set, Irish silver forks, and a 1980 RAM $200 22ct gold Koala coin.

Charlie Williams Charity features a diverse array of items, including diamond jewelry, hand-painted furniture, and signed sports memorabilia. Notable lots include a L.S. Lowry limited edition print and a framed display signed by Olympic champion Sir Chris Hoy.

Black Rock Galleries specializes in estate liquidation, featuring fine art, jewelry, antiques, and decorative arts. The company also operates a 53,000 sq ft antique and consignment showroom called Black Rock Interiors.

Clarks Auction Rooms is holding auctions throughout September 2026 featuring selected silver, jewellery, art, antiques, coins, and collectables.

Dillon Livestock Auction is holding a Special Feeder Kickoff & All Class Cattle Sale on September 10th. Upcoming auctions include All Class Cattle Sales on September 17th, a Special Feeder & All Class Cattle Sale on September 24th, and a Special Feeder & All Class Cattle Sale on October 1st. The first October sale is a Bred Cow Sale & All Class Cattle Sale on October 8th, featuring 23 Bred Cows from Split Diamond Ranch.

Kregold Estate Solutions features online auctions of jewelry, including pieces from Lingua Nigra and custom designs. The house also buys gold and silver items like jewelry, silverware, and coins.

Auction Ninjas features a vast array of estate sales and liquidations. The platform lists a wide variety of items, from architectural salvage and fine art to coins, stamps, and sports memorabilia.

London Coin Centre is holding a September Sale in 2026, featuring items such as the New Zealand & Bahamas: 1967 2 Cent Mule Error, Canada: 2023 $20 Ultra High Relief 1 oz Silver Maple Leaf Pure Silver Coin, and various United States and Canadian silver coins.

Auctions cars, trucks, vans, agricultural equipment, aircraft, ATVs, boats, construction equipment, motorcycles, RVs, snowmobiles, and various trailers.

Auctions cars, trucks, vans, agricultural equipment, aircraft, ATVs, boats, construction equipment, motorcycles, RVs, campers, and various trailers.

A.B. Levy's specializes in fine jewelry, art, antiques, and designer handbags, featuring brands like Hermès, Rolex, and Cartier. The auction house will hold three major sales this fall, offering exceptional selections from Palm Beach estates.

Leonard Joel is holding auctions with bidding ending September 15 for Interiors from the Powell & King Collection in Melbourne and The Sydney Jewellery Edit in Sydney. Upcoming auctions include Fine Jewels and Timepieces on October 5 in Melbourne, Fine Art on October 6 in Melbourne, and Contemporary Art from Tim Olsen's Personal Collection ending October 13 in Sydney.

Sheffield Auction Gallery is holding a Fine Silver, Jewellery & Watches Auction, a Medals & Militaria Auction with The David Kennedy Military Figure Collection, and a Cameras & Photographica Auction on September 24, 2026, followed by an Antiques, Fine Art & Collectables Auction on September 25, 2026.

Love of the Game Auctions specializes in baseball cards and memorabilia. The auction house features items from the prewar and postwar eras, including a significant number of autographed pieces.

Forsythes' Auctions specializes in antiques, with a particular focus on early furniture, coverlets, quilts, and smalls. The house also features Asian art, including Chinese porcelain and Japanese woodblock prints.

Auctions fine pocket watches, wristwatches, clocks, and related accessories, often of historical significance.

Auctions antiques and collectables, including luxury watches.

Bluemercury features luxury skincare, makeup, hair care, and fragrance from brands including Augustinus Bader, La Mer, and Oribe. The retailer offers free shipping and returns for its BlueRewards members.

Alvord / R. G. Munn Auction LLC specializes in Native American art and artifacts. Their recent sales included Navajo paintings, San Ildefonso pottery, and Washoe basketry. The auction house is located in Mayhill, New Mexico.

ClassicCars.com features a vast inventory of classic and collector vehicles, with a strong emphasis on Chevrolet, Ford, and Pontiac models. The site offers a wide range of categories, from Antiques and Muscle Cars to Trucks and Motorcycles.