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Sparkling Surge: Diamond Auctions Heat Up This Fall
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The diamond market is taking centre stage as a series of focused auctions roll out over the next weeks. On October 1, Lot‑tissimo’s “Diamonds Are Forever” event will close, offering more than 200 natural loose diamonds ranging from modest carats to sizable stones, all presented on a single online platform that emphasizes transparent bidding and global participation. Just three days later, Veiling’s luxury‑accessories sale, slated to end on October 4, highlights certified diamonds—including a Cartier earring set—showcasing the continued appetite for high‑quality, certified stones among collectors.

Beyond these dated events, several ongoing online auctions are keeping diamond interest alive. First State Auctions currently runs a digital sale featuring natural diamonds of various cuts and carat weights, while US Auction Online lists a 4.64‑carat lab‑grown diamond among its featured lots, reflecting the growing acceptance of synthetic stones alongside mined gems. Small & Whitfield’s weekly auctions regularly spotlight diamond‑set earrings, with recent listings noting a total of 4.01 carats across a pair of stud earrings, underscoring steady demand for wearable diamond pieces.

Specialist houses such as Worthy, Gardner Galleries and Alnwick also host dedicated diamond sales, though exact closing dates are not fixed. These platforms promote a mix of loose diamonds and diamond‑enhanced items, catering to both investment‑focused buyers and those seeking decorative pieces. The trend points to a diversification of formats: from single‑day online events to continuous listings, and from natural to lab‑grown stones, all supported by robust digital catalogues and secure payment processes.

Collectively, the upcoming and current diamond auctions illustrate a vibrant market where high‑carat natural stones sit alongside responsibly sourced lab‑grown alternatives, and where buyers worldwide can engage through streamlined online channels. The surge in dedicated diamond offerings signals confidence in the gemstone’s enduring value and its appeal across both traditional collectors and new‑generation investors.

Based on 93 digest summaries · Generated September 26, 2025

Black Diamond Auctions Ltd.

September 12, 2025 —

Black Diamond Auctions Ltd. is gearing up for an exciting series of auctions featuring a diverse range of items. Their online auctions are currently active, offering bidders the chance to find everything from farm machinery and tools to antiques and furniture. In addition to personal property auctions, Black Diamond Auctions specializes in real estate, including homes, lake homes, farms, and commercial buildings. With over 40 years of experience, auctioneer Frank Imholte and his team are dedicated to helping clients transition smoothly, whether they are downsizing or selling a lifetime of collectibles. For those interested in participating, details about upcoming auctions can be found on their website. Don't miss the opportunity to bid on unique items and real estate opportunities at Black Diamond Auctions!

Philips Auctions

September 12, 2025 —

Philips Auctions in Melbourne is set to host two exciting auctions on September 15, 2025, featuring a diverse range of items. The Antique Furniture & Decorative Arts Auction and the Prestige Modern and Antique Jewellery Auction will both conclude at 9:30 AM. Among the highlights are a beautiful rhodalite garnet and diamond dress ring, a stunning Art Deco diamond and emerald set pendant, and an early Victorian sterling silver Rococo Chinoiserie tea set. Additionally, collectors can look forward to a vintage 70's brilliant cut diamond ring and a superb Art Deco Brazilian rosewood sideboard. In-room viewing is available from September 10 to September 14, 2025, providing an opportunity for potential bidders to examine these exquisite pieces up close. For those interested in the world of antiques and collectibles, Philips Auctions offers a wide array of items throughout the year. Visit their website for more details on upcoming events and auctions.

Diamond Comic Distributors

September 12, 2025 —

Diamond Comic Distributors, the leading distributor of English-language comics, toys, and games, invites collectors and enthusiasts to explore their upcoming auctions. While specific auction dates are not detailed, the company regularly features a variety of pop culture products, including comics and collectibles. For those interested in participating, it is recommended to check their website for the next auction dates and available lots. Whether you're a seasoned collector or new to the hobby, Diamond Comic Distributors offers a wealth of opportunities to enhance your collection.

First State Auction

September 12, 2025 —

First State Auctions is currently hosting an exciting online auction featuring a diverse selection of important jewels, timepieces, designer bags, and more. This auction includes 382 lots, with notable items such as a 1.92ct Paraiba Tourmaline and 1.43ct Diamond Ring, a Rolex Submariner Date Men's Watch, and a stunning 71.70ct Ruby and Diamond Necklace, among others. With a buyer's premium of 20%, this is a fantastic opportunity for collectors and enthusiasts to acquire unique pieces at competitive prices. For those interested in selling, First State Auctions is currently accepting vendor submissions for natural diamonds, gemstones, Swiss watches, and designer bags. Visit their website to view the full catalogue and participate in the auction. Don't miss out on the chance to bid on these exquisite items!

Kimberley Auctions

September 26, 2025 —

Kimberley Auctions is set to host an exciting auction featuring fine jewellery and watches on September 30, 2025. Among the highlights are a stunning Patek Philippe Chronograph 5170G-010, complete with its original papers and box, and a beautiful Emerald Sapphire Diamond Set Gold Bracelet. The auction will also showcase exquisite pieces such as an Emerald Diamond Ring and an Antique Brooch, catering to collectors and enthusiasts alike. In addition to these featured items, Kimberley Auctions offers a diverse selection of both new and pre-owned jewellery, including rare gemstones and luxury watches. With a commitment to quality and craftsmanship, each piece is carefully curated to ensure a unique and engaging experience for bidders. For those interested in exploring more about their offerings, visit the Kimberley Auctions website for details on upcoming events and to register for participation.

US Auction Online

September 12, 2025 —

US Auction Online is hosting an exciting array of auctions featuring a diverse selection of items. Upcoming highlights include a rare Picasso art book, a 2008 Mercedes-Benz S-Class S 550 4MATIC Sedan, and a brilliant 4.64-carat lab-grown diamond. Collectors will also find exquisite jewelry pieces such as a 14KT yellow gold plated Elgin pocket watch, a stunning ruby and diamond cross pendant, and elegant earrings featuring natural Colombian emeralds. For art enthusiasts, there are original works by renowned artists like Yves Diey and Tatiana Denisova, alongside a highly collectible Joan Miro lithograph. Additionally, the auction features unique items like a vintage 1961 Tiffany & Co. watch and a remarkable Salvador Dali etching. These auctions present a fantastic opportunity for collectors and enthusiasts alike. For more details and to view the complete listings, visit US Auction Online.

Matthews Auction Rooms

September 12, 2025 —

Matthews Auction Rooms is set to host an exciting live auction on September 23, 2025, at 5:30 PM, featuring over 730 lots of estate jewellery, gold and silver items, and silver bullion. This auction is conducted under executor and solicitor instructions, as well as contributions from private clients and pawnbrokers' unredeemed pledges. Highlights from the auction include a stunning ruby and diamond ladies necklace, a Rolex Oyster Perpetual wristwatch, and an impressive Edwardian emerald cut Colombian emerald and diamond cluster ring. For those interested in unique and valuable items, this auction promises a diverse selection. To view the full catalogue and register to bid, please visit the Matthews Auction Rooms website.

John Pye Luxury Assets

September 12, 2025 —

John Pye Luxury Assets is set to host an exciting Luxury Watch Auction featuring some of the most sought-after timepieces. Among the highlights are the Patek Philippe Nautilus 5980/1R, known for its nautical charm and mechanical excellence, and the Patek Philippe Nautilus 5711/1R, a stunning rose gold model with a bespoke diamond-set case. Additionally, the auction will showcase the Rolex Sky-Dweller 326933, a sophisticated watch designed for world travelers, complete with dual time functions and a unique diamond-set appearance. These auctions are part of John Pye's ongoing commitment to providing high-end watches, jewelry, fashion, antiques, and collectibles. For more details or to schedule a viewing, interested bidders can reach out via email or phone. Be sure to check their website for the latest auction dates and offerings.

Small and Whitfield Auctions

September 12, 2025 —

Small & Whitfield Auctions, Adelaide's premier auction house, invites collectors and enthusiasts to their weekly auctions every Monday and Tuesday, starting at 9:30 AM. These events feature a diverse range of items, including furniture, collectables, fine art, and exquisite jewellery. Upcoming highlights include stunning pieces such as 18ct White Gold Diamond Stud Earrings, showcasing a total diamond weight of 4.01 carats. With over 36 years of experience, Small & Whitfield Auctions is known for its knowledgeable team and exceptional offerings. For more details on upcoming auctions and to view their extensive collection, visit their website.

Sell Diamonds, Jewelry and Watches for the Best Price

September 26, 2025 —

Worthy is set to host exciting auctions for diamond jewelry, including rings, bracelets, necklaces, and earrings, as well as loose diamonds and branded luxury watches. With a network of over 1,000 professional buyers, each auction promises competitive bidding to ensure sellers receive the best possible offers. Worthy's unique model means they only earn when you do, aligning their success with yours. The auction process typically takes 10-14 business days from the arrival of your jewelry at Worthy headquarters to payment issuance. Sellers can feel secure, as items are fully insured during transit. For those interested in selling their valuables, Worthy invites you to check their website for upcoming auction dates and to learn more about their services. Don't miss the opportunity to get the best price for your jewelry and watches!

PropertyRoom.com (San Diego)

September 12, 2025 —

PropertyRoom.com in San Diego is hosting a variety of exciting online auctions featuring a wide range of items. Starting September 12, 2025, bidders can explore auctions for jewelry, electronics, vehicles, coins, fashion, and fine art. Notable items include a 14K diamond tourmaline ring, an Apple iPhone 14 Pro Max, and a Chanel tote bag, all available at competitive starting prices. For those interested in vehicles, there are several used cars up for bid, including a 2016 GMC Savana and a 2018 Chevrolet Cruze. Additionally, collectors can find unique coins and bullion, such as a 1884 Carson City Mint coin and various proof sets. With most auctions starting at just $1, PropertyRoom.com offers a fun and accessible way to find great deals while supporting community initiatives. For more details on upcoming auctions, visit their website and register to start bidding.

Veiling

September 26, 2025 —

Veiling is excited to announce its upcoming auctions featuring a diverse array of items. Luxury accessories will be auctioned starting October 4, 2025, at 10:00 AM, followed by watches at 2:00 PM on the same day. Highlighted items include exquisite jewelry, certified diamonds, and luxury watches from renowned brands such as Rolex and Cartier. Notable pieces include a Cartier diamond earring set and various Rolex models, appealing to collectors and enthusiasts alike. For those interested in unique collectibles, Veiling offers a platform for buying and selling a wide range of items, from historical coins to luxury timepieces. Visit their website for more details and to participate in the upcoming auctions.

Leading Online Auction Site

September 26, 2025 —

This week at Leading Online Auction Site, a variety of exciting auctions are set to take place. Starting on September 25, 2025, Brunk Auctions will host a live auction featuring jewelry, while Robinhood Auctions presents a collection of modern and contemporary art, showcasing works by renowned artists such as Salvador Dali and Pablo Picasso. On September 26, 2025, Brunk Auctions will hold its September Emporium, offering a mix of collectibles, including sports memorabilia highlighted by Michael Jordan items. Additionally, Robinhood Auctions will feature a luxury watches and fine jewelry auction, presenting exquisite diamond pieces and timepieces. The weekend will see multiple auctions on September 27, 2025, including Gray's Auctioneers' Trains, Planes, Ships, and Toys auction, and a significant collection of modern and contemporary design at BILLINGS' tenth anniversary auction. For those interested in unique antiques and fine arts, check out the upcoming events on Leading Online Auction Site for more details and to participate in these exciting auctions.

Franklin Browns Limited

September 12, 2025 —

Franklin Browns Limited, a renowned auction house based in Edinburgh, has an exciting lineup of auctions coming up. On September 30, 2025, they will host a sale featuring a diverse range of items, including antiques, fine art, and collectibles. Among the highlights are exquisite pieces such as a late 19th/early 20th-century diamond flower head brooch and a stunning mid-century Aubusson tapestry by Robert Wogensky. The auction promises to showcase the quality and professionalism that Franklin Browns is known for, ensuring an enjoyable experience for both buyers and sellers. For those interested in unique antiques and art, be sure to check their website for more details on upcoming auctions and to view the full catalogue.

Welcome to GovernmentAuction.com , LLC

September 26, 2025 —

Welcome to GovernmentAuction.com, LLC, your premier online destination for land, jewelry, coins, and collectibles. Upcoming auctions include a Weekday Flash Sale ending on September 26, 2025, at 6:00 PM, and an Early Bird Special also concluding on September 26, 2025, at 9:00 AM. Additionally, a Primetime Auction will take place from September 26, 2025, to September 27, 2025. Among the featured items are stunning jewelry pieces like a 4.25CT Oval Cut Sapphire and White Topaz Sterling Silver Ring, a 0.49CT Round Cut Diamond Pendant, and various land parcels across states including Nevada, Arkansas, and Hawaii, all available with low monthly payments and owner financing options. For those interested in unique investments or recreational properties, Government Auction offers a wide selection of land types and collectibles. Visit their website for more details and to participate in the next auctions.

Kodner Galleries

September 12, 2025 —

Highlights include a stunning Loetz Art Glass Vase, a Roman Glass Amphoriskos, and a unique Roman Glass Core Formed Medicine Bottle. Additionally, bidders can look forward to exquisite pieces such as a 14K Man's Bracelet, a Hermes Haut a Courroies Hac 55 Bag, and a Gucci Monogram Duffle Bag. A standout item is the magnificent Graff/GIA 21.99ct Diamond Ring, alongside works by renowned artists like Jean Dufy and Loris Marazzi. For those interested in future auctions, Kodner Galleries offers a variety of online bidding options and encourages potential bidders to check their website for upcoming dates and details.

Mellors & Kirk Auctioneers, Nottingham

September 26, 2025 —

Mellors & Kirk Auctioneers in Nottingham is set to host several exciting auctions in the coming weeks. On October 7, 2025, the Jewellery, Antiques and Collectors Sale will feature a variety of items, including Arts and Crafts pearl and enamel brooches. Following that, on November 4, 2025, the Fine Art, Antiques & Collectors Sale will showcase notable pieces such as an emerald and diamond double heart ring from 1897 and a rare Commonwealth oak casket or writing box dated 1650. Additionally, on November 5, 2025, the Harker Collection of Minerals will be auctioned, offering collectors a unique opportunity to acquire exceptional mineral specimens. For more details and to stay updated on future auctions, visit the Mellors & Kirk website.

Michael Spooner Auctions

September 12, 2025 —

Michael Spooner Auctions is set to host an Estate Auction on September 22, 2025, at the St. Elias Centre, located at 750 Ridgewood Ave., Ottawa, ON. The preview for this exciting event will take place on the same day from 2:00 P.M. to 5:00 P.M. Featured items in the upcoming auction include an O.D. Jennings Standard Chief 25 Cent Slot Machine, a Sterling Ruby and Sapphire Bangle Bracelet, and a Chinese Silk Dragon Horse Carpet. Additional highlights consist of a Marc-Aurele de Foy Suzor-Cote RCA charcoal drawing, a 14K White Gold Diamond Swirl Ring, and a Birks Sterling Rose Bower Flatware Service for 12. For those interested in bidding or exploring the full catalogue, online bidding is available. Be sure to check the website for more details and future auction dates.

M.S. Rau

September 12, 2025 —

M.S. Rau is set to host an exciting exhibition titled "Treasures of Tiffany," showcasing over 75 objects that celebrate more than 150 years of American design. This exhibition will feature rare masterpieces, including windows, lamps, and jewelry from Louis Comfort Tiffany, as well as exquisite silver and unique jewels from Tiffany & Co. Additionally, art enthusiasts can look forward to the exhibition "Rene Lalique: The Master of Modern Luxury Design," which explores the innovative contributions of Lalique to luxury design, highlighting his iconic perfume bottles and other treasures. For those interested in acquiring fine art, antiques, and jewelry, M.S. Rau offers a diverse collection, including recent acquisitions such as a stunning unheated Kashmir sapphire ring and a multi-color diamond drop necklace. Visit M.S. Rau's website for more details on upcoming events and exhibitions.

Gardner Galleries Auctioneers

September 12, 2025 —

Gardner Galleries Auctioneers is hosting several exciting auctions starting September 12, 2025. The Lambeth Estate Auction features quality designer furnishings, a vintage pinball machine, a Seeburg jukebox, and a Howard Miller tall case clock, among other items. Future auctions from this estate will include vehicles and high-end electronics. The Jewellery, Coins & More Auction showcases valuable diamond jewellery, including a 2.00 carat solitaire, along with an extensive selection of gold chains and coins. In the Decorative Arts & Design Auction, collectors can find artwork from a private Ontario collection, including pieces by Lorie Schinko. The Fine Furnishings, Decorative Arts & Collectibles Auction offers a variety of antique and contemporary furniture, art glass, and collectibles. Additionally, the Complete Surveyor Auction features rare scientific instruments and curiosities, while the Audio & Video Equipment Auction includes brands like Sony and Bose. For more details and to participate, visit Gardner Galleries' website.

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