Stud earrings are a type of very short earrings, which do not hang over the lobe. They are secured with a butterfly or screw clasp. Stud earrings first appeared in the 19th century. They can be only in gold or set with stones. We find stud earrings in the shape of flowers, animals or geometric shapes.
Black flower stud earrings in 18 karat rose gold (750). They feature a pair of antique ear studs centered with carved a black “Parisian glass” flower. The earring backs are also designed in the shape of flowers. These antique earrings date back to the late 19th century and originate from France.
Hallmarks: Eagle’s head and partially illegible maker’s mark.
Flower Diameter: 8 mm
Note: Screw-back closure.
Condition: Showing signs of wear and oxidation.
Coral stud earrings in 18 karat yellow gold (750). Pair of antique earrings centered on a coral button of a beautiful intense orange colour. The coral has lines of growth “in flames” well visible to the naked eye and typical of this organic gem. The coral cabochon is set in a stylised pattern of flower petals or shells. Antique ear studs from the late 19th century, France.
Eagle head hallmark and illegible goldsmith’s hallmark
Diameter of a coral: 6 mm
Note: screw clasp
Condition: scratches from use
Weight : 1.12 gr
Gemological point: Coral is a gem of organic origin. Only the branched calcareous trunks of certain corals are used in jewellery. Its colour is due to organic pigments close to carotene: varying from blood red to white, passing by the pink “angel skin”. Currently, most coral species are protected under CITES, the Convention on International Trade in Endangered Species of Wild Fauna and Flora.
Diamond stud earrings in 18 karat white gold (750). Pair of second hand earrings set with 0.05 carat brilliant cut diamonds. The chips close with an ALPA safety clasp. Second-hand earrings, France, second part of the 20th century.
Goldsmith’s hallmark MA and hallmarks on the ALPA clasps
Estimated weight of the diamonds : 0.05 carat each
Georgian foiled diamond stud earrings in yellow 18 karat gold and silver. Pair of stud earrings set with a rose cut foiled diamond. The paillon is a yellow coloured metal sheet giving a special luminous effect to the diamond. The diamond is set with 6 silver claws. Pair of antique earrings, from the end of the 18th century.
Unreadable hallmarks, the chips have been tested with 18k gold and silver (assay undetermined)
Diameter: 7 mm
Note: butterfly clasp with screw, for pierced ears
Condition: Oxidations; the pearls are less coloured, this is due to their age.
Stud earrings diamonds in yellow gold 14 karat. These earrings are rectangular in shape, in the center of which are set two brilliant-cut diamonds weighing approximately 0.09 carat each. Preowned jewelry, 20th century.
Marked “14k” on the earrings and clasps, “Birks” hallmark on each earrings. Birks is a jewellery house opened in the heart of Montreal in 1879.