Type of jewel: Mid-century diamond solitaire ring. Condition: In well-preserved condition, especially given this ring’s age. Country of origin: Belgium. Style: Mid-century solitaire design with a raised, scalloped starburst-style setting around the single diamond. Era: Circa 1950. Material: 18K white gold, touchstone tested. Diamond: One old European-cut natural diamond, reported at 1.13 ct and graded Natural Fancy Light Brownish Yellow, clarity I1, in the accompanying GRA report. Traditional gemstone associations: Diamond is traditionally associated with April and the 60th wedding anniversary, and with endurance and lasting commitment. Maker: Firma Boschmans, Antwerp. Hallmarks: The maker’s mark inside the shank has a barrel-shaped surround, a form characteristic of Belgium and legally required from 1952 although already in use earlier; the device is a four-leaf clover. The mark is difficult to read. Dimensions: Ring head: 10.5 mm across. - See picture with a ruler in cm and inches Weight: 3.2 g Ring size: EU 54, US 6¾, UK N; inner diameter 17.2 mm. Ring sizes are professionally measured and rounded to the nearest millimetre; slight variations are standard and do not affect wear. Adin reference Nº: 26245-00076 - Photography copyright: Adin Fine Antique & Vintage Jewellery. - All jewels are delivered in an Adin jewellery box. Boxes shown in the photographs are display props unless stated otherwise. - With almost 50 years of experience in antique and vintage jewellery in Antwerp, Adin is recognised among fellow professionals for its specialist knowledge and professional integrity. Every jewel is accompanied by an Adin certificate featuring a photograph and detailed description, providing a useful record for identification and insurance purposes. - Shipped insured and registered. Collection in person is also welcome. - For shipments outside the European Union, import duties, taxes and other charges may apply and are the buyer’s responsibility. Please check the applicable requirements and costs in advance. - We invite you to browse our customer feedback for an impression of the service and satisfaction experienced by our clients. - See more of our pieces: https://auction.catawiki.com/lotsfrom/Adin - Antique and vintage jewellery may show signs of age and wear, including traces of earlier repairs or restoration. We preserve each piece in its authentic state and do not routinely remove surface marks or rhodium-plate white gold.