A timepiece (1) having at least one colored transparent stone (10), and a support (20) with at least one opening (200) for receiving this colored transparent stone (10). The ratio between the height (h) and width (L) of the colored transparent stone (10) is less than 50% , and the support (20) is made from anodised titanium or anodised aluminium. Advantageously, the color of the colored transparent stone (10) in the timepiece (1) is enhanced by that of the support (20).

A timepiece (1) having at least one colored transparent stone (10), and a support (20) with at least one opening (200) for receiving this colored transparent stone (10). The ratio between the height (h) and width (L) of the colored transparent stone (10) is less than 50% , and the support (20) is made from anodised titanium or anodised aluminium. Advantageously, the color of the colored transparent stone (10) in the timepiece (1) is enhanced by that of the support (20).

A method which results in enhancing the aesthetic beauty of prongs used to retain stones in a jewelry setting. The invention also includes the final prong appearance and cuts on different shaped prongs. The prongs are used to retain precious stones including diamonds, and are also used to retain semi-precious stones. The jewelry products in which the present invention prongs are used include rings, earrings, pendants, bracelets, bangles, any other jewelry pieces where prongs re used to retain at least one stone. The prongs have the tops modified with a stylized faceted setting. The prongs are cut with a full prong having a double cut and a single prong having a half shape. The prongs are cut with many different shapes including round, square, diamond, flower, oval and marquise.

A method which results in enhancing the aesthetic beauty of prongs used to retain stones in a jewelry setting. The invention also includes the final prong appearance and cuts on different shaped prongs. The prongs are used to retain precious stones including diamonds, and are also used to retain semi-precious stones. The jewelry products in which the present invention prongs are used include rings, earrings, pendants, bracelets, bangles, any other jewelry pieces where prongs re used to retain at least one stone. The prongs have the tops modified with a stylized faceted setting. The prongs are cut with a full prong having a double cut and a single prong having a half shape. The prongs are cut with many different shapes including round, square, diamond, flower, oval and marquise.

A method for setting a central gemstone is disclosed. The central gemstone may be mounted on a triangular cone. The triangular cone maybe configured to receive a first tapered end of the central gemstone. Further the method may comprise pressing a lower plate against a top plate. The triangular cone is on the lower plate. Further lapping the central gemstone with a plurality of gemstone, mounted on the top plate, such that plurality of edges of the plurality of gemstone overlap an edge of the central gemstone at broadest diameter in horizontal plane. The method may further comprise soldering a plurality of metal bars, positioned on the periphery of the top plate, with the lower plate at a lower base.

A light-emitting jewelry piece includes a gemstone, a head, and a mounting. The head is configured to interconnect the gemstone to the mounting. The mounting is arranged to secure the light-emitting jewelry piece to a person or a personal adornment.

A light-emitting jewelry piece includes a gemstone, a head, and a mounting. The head is configured to interconnect the gemstone to the mounting. The mounting is arranged to secure the light-emitting jewelry piece to a person or a personal adornment.

A round stone is intended for being inserted contiguously with other similar stones to as to conceal the setting of the stones. Facets are bevel-formed between the girdle and the pavilion. Grooves, open at the two ends thereof, are formed, as by sawing in a plane perpendicular to the axis, in the facets to receive the setting claws.

A round stone is intended for being inserted contiguously with other similar stones to as to conceal the setting of the stones. Facets are bevel-formed between the girdle and the pavilion. Grooves, open at the two ends thereof, are formed, as by sawing in a plane perpendicular to the axis, in the facets to receive the setting claws.

A method and apparatus detects an unknown deposit in soil of a known mineral or gemstone using characteristic scents of the mineral or gemstone. The method may disturb the soil, for example, by causing a chemical reaction in at least part of the soil such that a mineral or gemstone present in the soil emits a characteristic scent. The unknown deposit of the known mineral or gemstone can be detected in real-time or near real-time in the field.