Art deco diamond pearl ring in gold 18 karats (750) and platinum (950). Circular ring centred of a white cultured pearl of approximately 7.7 mm, surrounded by 16 single cut diamonds. Art Deco ring, circa 1930, France.
Eagle head hallmark and dog head hallmark
Finger size: 53 EU or 6.25 US (can be changed)
Diameter of the bezel: 13 mm
Height of the bezel: 12 mm
An analysis was carried out by the Laboratoire Français de Gemmologie on 20/06/2023, the details of which are given below:
Characteristics of the pearl
Identification : Beaded cultured pearl
Environment : Saltwater
Treatment : N – No indication of treatment
Shape : Rounded
Drilling : Half – drilled
Measurements : 7.7 mm approx.
Note: the analysis will be sent to the buyer
Condition : Scratches from use
Art Deco style sapphire diamond ring in white gold 18 karats (750). Octagonal ring centered with a brilliant-cut diamond (about 0.20 ct) in a closed setting. Twelve natural sapphires encircled the diamond, themselves included in a surround of 28 brilliant-cut diamonds. Art Deco style ring, second half of the 20th century, French jewel.
Eagle head hallmark
Finger size : 52 UE or 6 US (can be changed)
Bezel size : 16 mm x 13 mm
Estimated weight of the central diamond : about 0.20 carat
Total estimated weight of diamonds : 0.48 carat
Estimated weight of natural sapphires : 0.92 carat
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.
Jade cocktail ring in blackened 18 karat gold. The ring is adorned with a rose flower made of rubies, blooming on a plate of jade (variety Maw Sit Sit) of an intense green. The plate is surrounded by a green gradation of tsavorite garnets. The ring is made entirely of blackened gold, with an openwork wave pattern, encrusted with black diamonds. Contemporary ring attributed to Wendy Yue, unsigned.
Hallmark 750 inside the ring and Edinburgh hallmark
The main stone is a Maw Sit Sit jade belonging to the jadeite category. The only existing deposit is in Burma, it is a stone composed of six different minerals very rich in chromium which gives it its intense green color. It is extremely rare to find it in jewelry.
Finger size: 54 EU or 6,75 US (no adjustment possible, except for reduction)
Dimensions of the plate : 2 x 1,5 cm
Note : the invoice is not delivered with the ring.
Condition : scratches from use
Belle Epoque diamond ring in 18 karat white gold and platinum. In the center, 4 old-cut and 2 rose-cut diamonds are arranged in a scroll, framed by comma lines adorned with 14 rose-cut diamonds. French work from the Belle Epoque period (1895-1914)
Eagle’s head hallmark and goldsmith’s mark L.P.
Finger size: 48 UE or 4,5 US (adjustment possible)
Dimensions: 20 x 12 mm
Condition: wears
Note: A rhodium plating has been done.
Estimated diamond weight : 0.55 carat
Weight: 4.66 gr
Sapphire diamond cluster ring in white gold 18 karats. The bezel is set with an oval cut sapphire surrounded by 10 brilliant-cut diamonds. The sapphire is set with six claws and has a beautiful deep blue colour. Second hand engagement ring, circa 1980.
The hallmark is illegible, the jewel is acid-tested with 18 karat gold.
Finger size: 56 EU or 7.75 US (can be resized)
Bezel size : 15.7 mm x 12.8 mm
Estimated weight of stones: central sapphire, 1.15 carat; diamonds (in total), 0.70 carat
Condition : Scratches from use, natural inclusions of the sapphire.
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
Solitaire diamond ring made of yellow 18 karats gold set with a Perruzzi cut diamond weight 0,20 carat, with a whirl prong setting.
At the end of the 17th century, Vincenzo PERUZZI invented the diamond’s cut with 58 facets. Named the “Peruzzi cut”, it is similar to the brilliant cut by a number of facets and by its proportions.
Eagle’s head hallmark. Illegible silversmith’s mark.
Finger size : 50 EU or 5.25 US (possible adjustment)