De Gouden Eeuw is a jeweller and antiques retailer specialising in vintage and historic jewellery, antique silver, and decorative collectibles. Its collection spans styles including Belle Époque, Art Nouveau, Art Deco, Retro and modern design, with signed pieces from a range of recognised jewellery makers. Jewellery includes rings, bracelets, brooches, necklaces, pendants and earrings, featuring diamonds, sapphires, rubies, emeralds, pearls and coral.

The business also offers an extensive selection of silverware, from Dutch and international antiques to vintage and contemporary pieces. Categories include cutlery, serving utensils, candlesticks, trays, vases, tableware, desk accessories, picture frames, children’s gifts and wine accessories. Further offerings include objets de vertu, crystal, porcelain and antiquarian books. The website presents items for sale online, with product details and shopping-cart purchasing, and invites customers to visit its physical shop in Oegstgeest, South Holland. Its catalogue includes both individual pieces and selected collections, with examples ranging from 18th-century silver to gemstone jewellery in gold.