Type of jewel: Mid-century diamond cluster ring Condition: In well-preserved condition, especially given this ring’s age. Country of origin: Belgium Style: Mid-century vintage, with a tiered circular cluster creating a flower-like effect around the central brilliant-cut diamond. Era: Circa 1960 Material: 18K white gold, touchstone tested. Diamonds: One brilliant-cut diamond with an estimated weight of approximately 0.17 ct. Thirty-six eight-cut diamonds with an estimated total weight of approximately 0.84 ct. Total diamond count: 37 Total diamond weight: Approximately 1.01 ct, with an overall colour range of E–H and clarity range of VVS–VS. Diamond weights, colour and clarity are approximate, as the stones were assessed in their settings and were not removed for grading or weighing. All diamonds in this ring were individually tested with the Magilabs' EXA Natural Diamond Detector and identified as natural diamonds. Traditional gemstone associations: Diamond is the birthstone for April and is traditionally associated with enduring love and the 60th wedding anniversary. Hallmarks: The maker’s mark has a barrel-shaped surround, a form characteristic of Belgium and legally required from 1952 although already in use earlier; stamped ‘0750’. Dimensions: The ring head measures 16.5 mm across. - See picture with a ruler in cm and inches Weight: 6.1 g Ring size: EU 53 — inner diameter 16.9 mm — US size 6.5 — UK size M½ Ring sizes are professionally measured and rounded to the nearest millimetre; slight variations are standard and do not affect wear. Adin reference Nº: 26245-00053 - 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.