Lot 623. An Impressive 10.03 carats E colour and VS2 clarity Diamond and Coloured Diamond Ring, by Stephen Webster, 2017. Estimate HK$ 1,500,000 - 2,200,000 (€160,000 - 240,000). Sold for HK$ 3,580,000.  Photo: Bonhams.

The brilliant-cut diamond, weighing 10.03 carats, within an openwork 'thunderbolt' frame set with brilliant and baguette-cut diamonds, some of pink tint, further highlighted by marquise-cut diamonds, remaining diamonds approximately 3.90 carats total, signed SW, maker's marks, London hallmark, ring size 6.

Accompanied by a GIA report stating that the 10.03 carat diamond is E colour and VS2 clarity. Report number 7181102577, dated 5 September 2014.

Stephen Webster
Starting out on the jeweller's bench in London's Hatton Garden, Webster began his love of jewellery design at the young age of 16. Within a short period, Webster built a reputation on a foundation of technical excellence and over the years became highly regarded as one of the most prominent jewellery designers of his generation. Webster is known for his thought-provoking, iconic and infinitely beautiful jewellery designs. 
This passion for traditional goldsmithing and distinctly British heritage remains at the heart of the brand today. Inspired by music, fashion, literature and art, this London-based luxury jewellery brand has an inimitable style created by the bold combination of innovative design, attention to detail, together with the finest materials. 
Founded since 1982, Stephen Webster is celebrated for creating modern classics with an eternally chic and glamorous persona, with over 150 points of sale worldwide and flagship stores in London and Beverly Hills.