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Diamond Auctions Spark Global Bidding Frenzy
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The auction calendar is heating up with a string of high‑profile diamond sales set to close over the next few weeks. The earliest deadline arrives on October 19, when The Saleroom’s "Prestige Diamond Jewellery" auction concludes, showcasing a curated selection of rare stones and exquisite diamond pieces that have drawn interest from collectors worldwide. On the same day, Hatton Garden launches its much‑anticipated Diamond Auction, offering a mix of classic contemporary diamond jewellery, while Bonhams runs a dedicated diamond jewellery event later in the week, further underscoring the market’s appetite for sparkling assets.

Following these October 19 closings, Alnwick Auctions steps into the spotlight with two separate sales. The October 23 auction features a range of diamond items, from vintage solitaire settings to modern statement pieces, attracting both seasoned bidders and newcomers. A second Alnwick sale on October 28 continues the momentum, presenting additional diamond jewellery that highlights current design trends such as mixed‑metal settings and colored‑stone accents paired with diamonds.

Looking ahead to November, Mellors & Kirk’s November 5 auction adds a notable highlight: an Emerald & Diamond Double‑Heart Ring that exemplifies the growing demand for high‑carat, dual‑gemstone creations. This piece reflects a broader trend where buyers seek unique combinations that blend classic diamonds with complementary colored stones.

Across these events, several patterns emerge. First, the sheer volume of diamond‑focused auctions signals robust confidence in the asset class, with sellers capitalising on strong demand and buyers treating diamonds as both decorative art and investment. Second, the variety of styles—from timeless solitaire designs to avant‑garde mixed‑gem pieces—demonstrates a market that values both heritage and innovation. Finally, the clustering of end dates in October and early November suggests a strategic timing by auction houses to capture peak buying interest before the holiday season.

Overall, the upcoming slate of diamond auctions offers a compelling snapshot of a vibrant market where rarity, craftsmanship, and strategic timing converge to drive excitement among collectors and investors alike.

Based on 104 digest summaries · Generated October 19, 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

October 20, 2025 —

Kimberley Auctions is set to host an exciting auction featuring fine jewellery and watches. 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 like an Emerald Diamond Ring and an Antique Brooch, perfect for collectors and enthusiasts alike. This event promises a diverse selection of high-quality items, including both new and pre-owned jewellery, crafted by skilled artisans. Kimberley Auctions emphasizes the importance of craftsmanship and unique designs, ensuring that each piece tells its own story. For those interested in participating, details about the auction and registration can be found on their website. Don't miss the chance to discover your next treasure at Kimberley Auctions!

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.

lot-tissimo

October 20, 2025 —

Lot-tissimo is hosting a variety of exciting auctions in the coming days. On October 20, 2025, you can explore the live auction featuring furniture and decorative interiors from a mansion estate in New Orleans. Additionally, Chiswick Auctions will present a luxury watch and diamond jewelry auction on the same day, showcasing brands like Omega, Hublot, and Breitling. On October 22, 2025, Bonhams will hold multiple auctions, including a diamond jewelry and watch event, as well as sales focused on silver and objects of vertu. The following day, October 23, features a range of timed auctions, including art and interiors, Americana, and a collection of watches. For collectors, the auction scene continues with a luxury watch and jewelry auction on October 28, featuring renowned brands such as Rolex and Patek Philippe. For more details and to discover additional upcoming auctions, visit Lot-tissimo's website.

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

October 20, 2025 —

Worthy is currently facilitating auctions for a variety of diamond jewelry, including rings, bracelets, necklaces, and earrings, as well as loose diamonds and branded luxury watches. Their unique auction model ensures that sellers receive the best offers, with over 1,000 professional buyers competing for each piece. Worthy's personal auction managers provide guidance throughout the selling process, ensuring a smooth experience for sellers. For those interested in selling their valuables, Worthy operates on a success-based fee structure, meaning they only earn when you do. The auction process typically takes 10-14 business days from the arrival of your jewelry at their headquarters to payment issuance. If you're looking to sell your jewelry or watches, visit Worthy's website to learn more about their services and find out about upcoming auction dates.

Michaan's Auctions

October 20, 2025 —

Michaan's Auctions is set to host an exciting October Gallery Auction featuring a diverse array of items. Highlights include a stunning diamond ring crafted in 18k white gold, a Japanese Samurai sword known as a Shinto Wakizashi, and two modern mushroom lamps designed by Lisa Johansson-Pape for Pukeberg. Art enthusiasts will appreciate an oil painting by Eanger Irving Couse, along with vintage pieces such as a boudoir lamp base paired with a Handel reverse painted glass parrot shade and a Federal mahogany tall case clock with works by John Lynch. Additionally, two small cameo glass vases from Daum Nancy and Galle style will be available. For those interested in consigning items, Michaan's Auctions offers complimentary walk-throughs for estates with twenty or more items. To learn more about upcoming auctions and to view the full catalog, visit their website or contact them directly.

Alnwick Auctions

October 19, 2025 —

Alnwick Auctions is set to host several exciting auctions in the coming days. On October 21, 2025, at 10:30 AM, the auction will feature a variety of pens, including brands like Montblanc, Parker, and Sheaffer, alongside gold, silver, and luxury items from Rolex and Tiffany. Following this, on October 23, 2025, at 10:30 AM, bidders can look forward to an auction showcasing gold, silver, diamonds, and watches from renowned brands such as Omega, Longines, and Cartier. Additionally, on October 28, 2025, at 10:30 AM, another auction will present a selection of gold, silver, and diamond items, including pieces from Rolex and Tudor. Finally, on October 30, 2025, at 10:30 AM, the auction will include gold, silver, jewelry, coins, watches, and medals. For more details and to view the full catalogues, visit the Alnwick Auctions website.

Leading Online Auction Site

October 20, 2025 —

This week at Leading Online Auction Site, a variety of exciting auctions are set to take place. On October 19, 2025, the Curated Rug Auction will showcase rare and exceptional pieces at no reserve, alongside the Connoisseurs & Collectors Auction, featuring a diverse array of collectibles. The Premier Autumn Auction begins on October 21, 2025, with highlights including a life portrait of George Washington, a rare Virginia painted chest, and notable jewelry pieces such as a 4.8 ct. marquise diamond pendant. Also on October 21, the Fall Collector's Kaleidoscope will present an elegant mix of Swarovski crystal, Waterford glass, and Moorcroft pottery. Nye & Company's Chic & Antique Auction runs from October 22 to 23, featuring historic furniture and fine art. For those interested in coins, the Tennessee Titan Coin Auction will take place from October 22 to 26, offering a range of currency and coin collections. Visit the site for more details and to explore additional upcoming auctions.

Bidsquare Auctions

October 19, 2025 —

Bidsquare Auctions is hosting several exciting events in the coming days. On October 19, 2025, the Curated Rug Auction by Nazmiyal Auctions will feature a stunning collection of rare and exceptional rugs, all offered at no reserve. Concurrently, the Connoisseurs & Collectors Auction by Fine Estate, Inc. will showcase a variety of fine collectibles. Following that, on October 21, 2025, Brunk Auctions will kick off their Premier Autumn Auction, featuring a life portrait of George Washington and a selection of rare jewelry, including a 4.8 ct. Marquise Diamond Pendant. Robinhood Auctions will also present The Contemporary Edit, highlighting modern and contemporary artworks. On October 22, 2025, Nye & Company will hold their Chic & Antique Auction, featuring a diverse range of historic furniture and fine art. For more details on these auctions and to explore additional upcoming events, visit Bidsquare's website.

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.

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.

Bluemercury

October 20, 2025 —

Bluemercury is currently offering a variety of high-performance skincare, makeup, hair care, and fragrance products. Notable brands featured include Dr. Barbara Sturm, Augustinus Bader, Chantecaille, and La Mer. Customers can enjoy a 15% discount on Dr. Barbara Sturm products, along with free shipping and returns for BlueRewards members. For those looking to explore new beauty essentials, Bluemercury has recently introduced limited-edition sets from M-61 and Lune+Aster, as well as the innovative Hydr/o Bioactive Hydrolipid Barrier Moisturizer from Dr. Diamond's Metacine. While specific auction dates are not listed, readers are encouraged to visit Bluemercury's website for updates on upcoming events and to discover the latest in beauty offerings.

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.

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.

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