Art Nouveau ruby ring in 18 karat yellow gold and platinum. Antique ring of the Art Nouveau period decorated with a pigeon’s blood ruby and diamonds. In its center there is a cushion-cut ruby. The ruby is framed by two old-cut diamonds. The whole is surrounded by twelve rose-cut diamonds in a platinum beaded setting. The shoulders of the ring are embellished with leaves setted with diamonds. Art nouveau ring, circa 1910, France, Paris.
Marked with an eagle’s head and the mark of the goldsmith Georges Lavoipierre (active in Paris between 1906 and 1942).
Finger size : 53 EU or 6.5 US (possible to change)
A certificate was issued by the Bellerophon laboratory on 16/01/2023:
Characteristics of the ruby : Description : transparent gemstone
Weight : 0,31 carat approximately
Dimensions : 4.09 x 3.65 x 2.59 mm
Size : oval
Identification: natural ruby Colour: vivid red
Fluorescence : Strong red
Comment : no indication of heating
Geographical origin : Burma (Mogok, Myanmar). This ruby can be called “pigeon blood” on the trade.
Estimated weight of the main diamonds: 0.19 and 0.14 carat
Estimated total diamond weight: 0.47 carat
Condition : scratches from use. Visible with a loupe : a thin chip on the border of one diamond.
Tank ruby diamond scroll ring in yellow, pink and white gold 18 karat. Beautiful tank ring decorated in the centre of eight diamonds (brilliant cut and 8/8) in a white gold setting. The central diamonds are surrounded by two lines of four calibrated rubies. This geometric composition of rubies and diamonds is itself framed by two high-volume gold scrolls set with two lines of nine 88-cut diamonds. The jeweller and goldsmith plays with the volumes, the curved and geometric lines and the colours of the gold. Tank ring from 1945.
Octagonal hallmark “18” inside the ring
Finger size: 60 EU or 9 US (can be cut to size)
Dimensions of the ring head: 12 mm x 22 mm x 11 mm