The embodiments set forth a jewelry accessory setting for an array of stones, such as gemstones including for instance diamonds, where said stones are arranged in accordance to a gradient of known quality, such as cut, clarity, carat or color. The jewelry accessory may include bars between each stone to prevent color contamination. The jewelry accessory alternatively sets forth natural stones together with treated or synthetics stones. The jewelry accessory is useful when utilized in a method of valuing stones of unknown quality, such as by a purchaser assessing the value of a piece of jewelry with stones of unknown quality by comparing such potential purchase to the jewelry accessory set forth herein.

Embodiments of the disclosure provide a gemstone, jewelry piece, and method for faceting a gemstone. The gemstone, includes: a top portion having a spheroidal surface, the spheroidal surface acting as a refractive surface for light incident on the top portion of the gemstone and focal point lens originator; and a bottom portion shaped as a cone, the cone acting as a light axis to form a focal point on a reflective surface at a base of the gemstone.

A method for adhering embellishments to a glass substrate. The method provides a depression in the glass matching the shape of the embellishment, allowing for a lower profile and protecting the adhesive from water and solvents, thus reducing the chance of the embellishment falling off of the glass.

Set gemstones, gemstone settings, and methods of setting gemstones including a cut gemstone having a girdle a plurality of horizontal grooves each having an upper edge and a lower edge, wherein the upper edges of the plurality of horizontal grooves are located within the girdle, abut a lower edge of the girdle, or are within 1 millimeter beneath the lower edge of the girdle, and a cylindrical barrel having a central aperture, an open top, a rim at the top forming an upper edge of the barrel, and a plurality of flanges projecting into the central aperture of the barrel located directly beneath the rim, wherein the flanges project into the grooves to maintain the gemstone within the barrel.

A method of forming a non-optically detectable identifiable marking invisible to the naked eye is formed from plural recesses of multiple levels at an outer surface of an article formed from a solid-state material. The method includes forming plural recesses of multiple levels within a predetermined region of a photoresist applied to an outer surface of an article formed from a solid-state material. The plural recesses are formed by grayscale lithography and the recesses extend at least partially through the photoresist and towards the outer surface of the article formed from a solid-state material. The method also includes applying an etching process such that at least a portion of the outer surface of said article is exposed and etched to form plural etched portions extending into the article from its outer surface and corresponding to plural recesses; wherein said predetermined region of said photoresist defines an identifiable marking to be applied to the outer surface of said article; wherein said plurality of etched portions forms the non-optically identifiable marking on the outer surface of said article.

A method of forming a non-optically detectable identifiable marking invisible to the naked eye is formed from plural recesses of multiple levels at an outer surface of an article formed from a solid-state material. The method includes forming plural recesses of multiple levels within a predetermined region of a photoresist applied to an outer surface of an article formed from a solid-state material. The plural recesses are formed by grayscale lithography and the recesses extend at least partially through the photoresist and towards the outer surface of the article formed from a solid-state material. The method also includes applying an etching process such that at least a portion of the outer surface of said article is exposed and etched to form plural etched portions extending into the article from its outer surface and corresponding to plural recesses; wherein said predetermined region of said photoresist defines an identifiable marking to be applied to the outer surface of said article; wherein said plurality of etched portions forms the non-optically identifiable marking on the outer surface of said article.

A method for producing a gemstone, in particular a diamond, in the shape of a star with several arms, the method including taking a basic, brilliant cut gemstone, the gemstone including a basic crown, a basic pavilion and a basic girdle joining the basic crown and the basic pavilion and defining a plane, cutting a plurality of facets in the respectively basic crown, pavilion and girdle, to obtain a transformed gemstone delimited by a periphery, laser cutting the periphery of the transformed gemstone to produce the star shape.

An ornament assembly with a suspension effect, including a base having a bottom frame and a transparent bottom cover, the transparent bottom cover being fixed on the bottom frame; a top frame fit combined with the base to form an integral body, wherein a transparent top cover is fixed on the top frame and the top cover is fit with the transparent bottom cover to form a holding space; a first magnetic member provided on the base; and an ornament, wherein a second magnetic member is provided on the ornament. The ornament is provided in the holding space and magnetic poles of the first magnetic member and the second magnetic member are oppositely arranged such that the ornament is suspended in the holding space under the repulsive force of magnetic forces.

The invention relates to a gemstone arrangement, that comprises a first gemstone element, a second gemstone element, which is connected to the first gemstone element, and at least one decorative element, which is arranged between the first gemstone element and the second gemstone element. Furthermore, the invention relates to a method for producing the gemstone arrangement. A further aspect of the invention relates to a jewel with a gemstone arrangement.

A method of forming a diamond bulk object includes heating a crystalline material on a support disposed in a volume defined by a chamber, introducing into the volume a reactant gas including a hydrogen-containing component and a carbon-containing component, depositing a plurality of layers of diamond by chemical vapor deposition (CVD) to form at least a portion of the diamond bulk object on the support, and forming a predetermined color gradient in the plurality of layers of diamond.