Art Deco cluster opal ring in platinum (950). This antique cluster ring features a central cabochon-cut opal set in a close setting, surrounded by twelve old-cut diamonds. The opal shows vibrant play-of-color with shades of violet, blue, and green, accented by hints of orange. The ring’s gallery is delicately detailed with scrollwork. This Art Deco period ring dates to circa 1930 and originates from France.
Hallmarks: Dog’s head (french hallmark for platinum) and maker’s mark.
Ring Size: 51 EU or 5.75 US (Resizable).
Top dimensions: 18 x 14 mm.
Opal weight: 1.03 carats.
Estimated total diamond weight: 0.48 carats.
Condition: surface abrasions, signs of wear.
Weight: 8.18 gr
Gemology and beliefs: Opals come in various types, with noble opals being the kind that exhibits play-of-color. This captivating effect is caused by tiny, uniformly sized spheres of silica. When light hits these spheres and is refracted, it produces a dazzling display of colors on the opal’s surface. In contrast, common opals lack this play-of-color, as their spheres are disordered and of varying sizes, giving them a milky appearance. Opals have been associated with the power of invisibility in folklore, earning them the title “Patronus forum” (patron of thieves) during the late Middle Ages.
Victorian bristol blue ring featuring a central navy blue glass plaque, adorned with a silver flower set with Rhinestones. The enameled plaque is also surrounded by Rhinestones. The ring’s shoulders are beautifully decorated with openwork and set with rhinestones. An antique ring from the early 19th century, France.
Hallmarks: Eagle’s head and unreadable maker’s hallmark
Georgian paste marquise ring in 18 karat gold (750) and silver marquise ring. This large antique marquise-type ring features an oval head adorned with an opalescent glass plaque, onto which green paste stones have been set, forming a flower at the center of the jewel. A line of white paste stones surrounds the central plaque, they exhibits a common trick called the “black spot” which was when a hole was cut at the back of the foil behind the paste. This showed the black spot that was meant to imitate the culet on an old mine cut diamond. The ring’s band is decorated with two delicate ridges at the shoulder. Georgian period, circa 1820, France.
Hibou and swan hallmarks (French state hallmarks for 18-karat gold).
Finger size: 58 EU or 8.25 US (resizing possible)
Setting dimensions: 35 x 18 mm
Condition: The yellow gold ring is probably not from origin; antique tin soldering; usual wears on gold and stones.
Forget-me-not turquoise ring in 18 karat rose gold (750), featuring a central design of a blossoming branch set with five turquoise cabochons and a faceted glass. The ring’s band is hollow and holds a braided lock of hair that decorates the entire circumference of the band. This memento ring dates from the second half of the 19th century, specifically the Napoleon III period.
Hallmark: Owl
Finger size: 61 EU or 9.5 US (no sizing possible).
Band width: 4 mm.
Condition: slight deformation of the band around the hallmark area.
Tank coral diamond ring in 18 karat (750) white gold and platinum. The ring is centred on an orange coral pearl surrounded by two rolls of gold and framed by two lines of eight rose-cut diamonds (sixteen in all). The jewellery features the geometric lines typical of tank jewellery. Tank ring, circa 1940.
Hallmarked owl and mascaron
Finger size: 55 EU or 7.25 US
Ring head dimensions: 12 x 20 mm Pearl diameter: 8 mm
Antique diamond wedding ring in 18 karat yellow gold (750) and platinum. Antique ring set with eight old-cut diamonds with a platinum setting. The ring consists of two lines whose ends meet in the centre, on which the diamonds are set. Antique ring, first half of the 20th century.
Owl and mascaron hallmark (later add), Illegible numbers inside the ring.
Vintage wedding band 18 karat gold (750).Vintage wedding band decorated with fine chased lines. Inside, the ring bears the inscription V-O 30-9-89. Second-hand jewelry, 20th century, France.
Eagle head hallmark and goldsmith’s hallmark.
Finger size: 59 EU or 8.5 US
Ring width: 4 mm
Ring thickness: 1 mm
Condition: scratches from use, engraving inside the ring.
Fancy brown diamond ring. Fancy brown diamond ring: a solitaire diamond fancy cognac ring in platinum. This ring is centered on a magnificent brilliant cut fancy diamond, whose brown color sparkles with orange. The diamond weighs 0.79 carat and is set with 8 claws. Antique setting from early 20th, certainly reassembled later with the diamond.
A certificate was established by the French Laboratory of Gemmology on 26/07/2021, of which here are the details below.
Shape : round – brilliant
Dimensions : 5,93 – 6,04 x 3,60 mm
Mass : 0,79 carat
Color: fancy deep brown, slightly orange
Clarity: SI2
Fluorescence: none
Observations: no trace of treatment intended to modify the color. Additional facets. Witnesses of the shape of the rough.
Guarantee mark dog head for platinum, goldsmith’s mark partially erased.
Finger size: 49.5 EU or 5 US (sizing possible)
Note: The certificate can be provided upon request, it will be sent to the buyer.
Red spinel trilogy ring 18 karat yellow gold. Three oval spinels adorn the ring, between each spinel are four old cut diamonds. The spinels have a beautiful dark red colour. The ring is finely chiselled on the gallery and shoulders, with a floral and scroll design. This ring is in the spirit of English Arts and Crafts. Early 20th century ring, probably England.
Owl hallmark, Marked 750, partially erased
Finger size: 52 EU or 6 US (can be cut changed)
Width of the ring : 7 mm
Weight of the central spinel : 0,94 carat
Total estimated weight of spinels : 1,32 carat
Total estimated weight of diamonds : 0.19 carat
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