Winston-Stettner Diamond Buyers™

Winston-Stettner - Your Jewelry Experts

Winston-Stettner Diamond Investment Firm, large diamond buyers and estate jewelry buyers, can offer you the best price for your large diamond, watch, or jewelry. Winston-Stettner has purchased millions of dollars in fine diamonds, estate jewelry, watches, fine art and collectibles from clients worldwide. Our professional, expert diamond buying staff pays personal attention to every diamond purchase or jewelry purchase we make and will even travel anywhere in the world to purchase large diamonds from you.

With over 40 years of diamond buying experience, Winston-Stettner has been one of America's strongest buyers of diamonds two carats and larger. We maintain a global client base and have buyers ready to purchase large diamonds (2ct, 3ct,4ct, etc.), fine designer jewelry and signed jewelry. Therefore, when we buy your diamond, we can pay a higher premium over the current local market price. Before you sell your large diamond, contact us first for our free, no obligations offer to purchase your diamonds or estate jewelry.

We understand that selling your jewelry and other treasured heirlooms can be an emotional decision. Sellers need to be ensured that they will be treated honestly and receive a fair offer on their merchandise. Finding the appropriate buyer who offers you peace of mind in this important decision makes all the difference.
Keeping the needs of the jewelry selling market in mind and staying true to our Core Values, Winston-Stettner has successfully maintained a sterling reputation in jewelry and diamond buying.

Our Services:

  • Buying large diamonds (2ct and larger)
  • Estate jewelry planning
  • Purchase of diamonds, jewelry, fine art & collectibles
  • On-site inspections, evaluations, and appraisals
  • Gemstone optimization
  • Employing bonded, GIA certified gemologists
  • Photographic archiving

There is never any obligation or cost for our consultation, and we pay direct. We do not charge fees for commission, storage, insurance, or photography. We evaluate the offered articles on the spot, and offers are made directly.

For specific inquiries, call us today at  917-868-8990 or Contact Us.

Need a quotation for diamonds, jewelry, or watch? Just click!

Winston-Stettner Investments

Winston-Stettner seeks, sales, and invests in many kinds of valuable pieces, including:

  • Estate, Antique, Diamond Jewelry - Rings, Necklaces, Earrings, Pendants, Cufflinks, Bracelets, Jewelry Sets, Platinum, Silver, Gold
  • Precious Gemstones - Emeralds, Rubies, Sapphires, Pearls, Opal, Jade, Paraiba and more

  • High End Watches - Chronographs, Repeaters, Complications, Pocket Watches, Vintage, Clocks, Timepieces and more

  • Loose Diamonds

  • Natural Fancy Color Diamonds

  • Gold and Silver - Class Rings, Bracelets, Coins, Earrings, Necklace, Rings, Watches,Scrap Gold and Silver, Tangled or broken Gold or Silver Chains 

  • Art

  • Collectibles - Coins, Bullion, Stamps, Bottles, Pens, Photographs, Crystal, Flatware, Porcelain, Ceramics and more

Styles and Periods

Signed Jewelry, Modern, Art Deco, Antique, Victorian, Art Nouveau, Georgian, Edwardian, Russian, French, American, European, Oriental, African and more. 

Designer Brands:

Cartier, Tiffany, David Webb, Van Cleef & Arpels, Bvlgari, Boucheron, Verdura, Buccellati, Seaman Schepps, Wallace, Stieff, Jensen, Gorham, Coco Chanel, Rolex, Patek Phillipe, Frank Muller, Audemars Piquet, Vacheron Constantine, IWC, Breitling, Jaeger, Corum, Choppard, Panerai, Breguet, Picasso, Van Gogh, Rembrandt, Chronoswiss, Jacob & Co and more.

Winston-Stettner is an expert jewelry investment firm specializing in buying fine jewelry, designer jewelry, signed pieces, estate jewelry, high-end diamonds, antiques and collectibles. Sell us your jewelry today and take advantage of our high payouts for your gold!