Georgian diamond portrait ring in rose gold 18 karats and silver 800 thousandth. Antique ring composed of a hexagonal bezel enclosing a lady’s portrait. The miniature portrait is painted on ivory, it is highlighted by a surround of thirty rose-cut diamonds in a silver setting. The basket is beautifully crafted, decorated with scrolls in cartouches corresponding to the hexagonal shape of the jewel. This ring is a transformable piece of jewellery. The bezel can be removed by means of a pin located at the basket.
It is likely that the portrait, once removed from the ring, could be worn as a brooch or pendant by fitting it to another suitable structure.
Antique Victorian solitaire diamond ring in 18 karat pink gold. Engagement ring with an old mine cut diamond of ovale form with for large claws. Shoulders with three strands and small volutes under the diamond. Antique solitaire diamond ring, late 19th century, Victorian period.
Jewel tested with 18 karat gold acids
Finger size: 55 EU or 7.25 US (can be changed)
Height of the bezel: 5 mm
Characteristic of the diamond : Shape-size: oval-antique
Dimensions : 3.76 x 4.40 x 3.28 mm
Weight : 0.34 carat approximately
Colour: I/J
Clarity: VVSI
Trilogy tourmaline ring in white gold 18 karats (750). Ring centred with an important pink tourmaline, also called rubellite, rectangular fancy cut. The rubellite has a beautiful raspberry-pink colour with a dark red undertone. The gem is framed by two fancy-cut green tourmalines, also called verdelites. French ring, circa 1990, Parisian work.
Eagle head hallmark and illegible goldsmith’s hallmark
Finger size : 54 UE or 6.75 US (possible sizing)
Dimensions of the ring head : 12 x 14 x 6 mm
Estimated rubellite weight : 3.52 carat
Estimated weight of the verdelites : 0.39 carat each
Condition : Scratches from use
Weight : 7 gr
Gemological point: Tourmaline is a gemstone that can present all the colours of the rainbow. Here are the names of some particular tourmalines: rubellite (bright pink to red), dravite (yellow to brown), verdelite (light to dark green), indicolite (deep indigo blue), shörl (black), elbaite: multicoloured, watermelon tourmaline (green and pink) and finally archite: (colourless) A gem such as Paraiba tourmaline, with a neon blue or turquoise colour and a hint of green, can sometimes be very valuable due to its great rarity.
Square Tiffany T ring in 18 karat white gold (750). Ring Tiffany & Co. model Square T. This torque ring is soberly decorated with a T motif, referring to the initial letter of the Tiffany & Co. brand. Vintage ring signed Tiffany & Co.
Marked on the inside of the ring “Tiffany & Co” and “AU 750” for the 18 karat gold.
Finger size: 56.5 EU or 7.45 US (the ring is open and can fit a 7.30 or 8)
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.
Wedding Enamelled trinity ring in yellow gold 18 karats (750). Ring with three rings similar to the “Trinity”‘ of Cartier and also of Hermès. This ring is composed of three interlaced rings, each enamelled with a colour: orange, green and blue. A thin line of gold runs through each ring. Italian ring from the 20th century.
Hallmark 750 and Italian hallmark
Finger size : 50 EU or 5 US (no resizing possible)
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