18ct Gold White Star Sapphire and Diamond Ring Natural Gemstone Jewellery Hallmarked 18ct

Description
A striking vintage fine jewellery ring crafted in 18k yellow and white gold, fully hallmarked 18CT. At its heart lies a captivating natural white star sapphire cabochon, displaying a luminous star effect across its smooth polished surface.
Surrounding the sapphire are 26 natural diamonds, carefully set in a refined halo that adds sparkle and contrast to the bold central stone. The craftsmanship is superb, with the ring offering both presence and elegance.
An exceptional statement piece of fine jewellery, perfect for wear or collection.

Materials & Gemstones
Solid 18ct yellow and white gold (hallmarked 18CT)
Natural white star sapphire cabochon (13 mm × 7 mm, showing clear asterism)
Natural diamonds × 26 (approx. 1.3 mm each, total estimated diamond weight 0.26 ct)

Design & Craftsmanship
Bold cabochon star sapphire centerpiece with radiant asterism
Sparkling diamond halo adds brilliance and sophistication
Fine gold craftsmanship, designed for elegance and presence

Measurements & Weight
Total weight: 7.28 g
Inner diameter: 15.1 mm
Ring size: US 4.5 / UK I / Euro 48 / HK 9.25
Ring face: 16.7 mm diameter × 12.9 mm height

Condition
Excellent vintage condition
Sapphire displays natural star effect
Diamonds bright, secure, and finely set
Superb craftsmanship, collectible quality

Shipping
【📦 Worldwide shipping from London, UK】