A unique French and handmade 18k white gold cluster / entourage ring set in the centre with an oval cut natural lively blue sapphire weighing 5.90 ct and surrounded by 18 brilliant cut diamonds with a total estimated weight of 0.80ct. The sapphire has a fine dark blue colour. The ring is in very good condition and has been verified by one of our master goldsmiths. Official French hallmarks for 18k gold. The sapphire entourage ring modelled after the Lady Diana ring, with its sparkling blue sapphire, is undoubtedly one of the most iconic jewels in the world. The sapphire entourage or cluster ring is one of the most recognizable designs for engagement. Ringssize: US 8 / EU 57. Nearly all rings can be resized free of charge, within the given limitations of the mount. Please contact us after purchase to discover the possibilities. All of our items are either Antique or Vintage. They are in used condition and may show some signs of age-related wear, light surface scratches or very minor wear. All items have been inspected by one of our master goldsmiths and if needed, restoration work has been carried out to ensure that we can guarantee a high standard of durability and quality. We only work with natural diamonds and natural gemstones. Unless otherwise clearly specified. All of our diamonds and gemstones are inspected by our certified gemologists and diamond graders and if clearly specified, laboratory certificates are offered.