H. STERN RING In platinum, set with a beautiful rectangular ‘Santa Maria’ aquamarine with bevelled edges, weighing approximately 13.50 carats. The shank is adorned with three tulip-shaped settings set with diamonds. Letter and certificate from H. Stern. This ring was given to Yanou Collart by Mr Laforêt. A diamond and platinum ring set with a step-cut rectangular “Santa Maria” aquamarine weighing approximately 13.50 carats, by H. Stern. C.G.L. certificate attesting to: natural aquamarine, ‘Santa Maria’ blue colour. RC: Stone dimensions: approximately 18.0 x 13.0 x 7.8 mm. TDD: 53; US: 6½ (adjustable). Gross weight: 7.6 g (Pt – 950).