Gemstone constructions particularly useful for diamonds

Abstract

A gemstone construction, comprising a plurality of individual gemstones assembled together by a common frame to define a composite gemstone unit having a girdle, a crown on one side of the girdle, and a pavilion on the opposite side of the girdle, each of the individual gemstones defining a segment of the composite gemstone unit, and including a girdle segment of the composite gemstone unit girdle, a crown segment of the composite gemstone unit crown, and a pavilion segment of the composite gemstone unit pavilion, the girdle and crown segments of at least some of the individual gemstones having an outer face to serve as the outer face of the composite gemstone unit girdle and crown, the girdle segment of at least some of the individual gemstones having at least one flat, smooth, inner face in contact with a corresponding flat, smooth, inner face of the girdle segment of another individual gemstone in the composite gemstone unit, the common frame engaging the girdle segments of the individual gemstones to press the flat, smooth, inner faces of the individual gemstones into firm contact with each other such that the composite gemstone unit appears substantially seamless to the naked eye.

1 . A gemstone construction, comprising:
 a plurality of individual gemstones assembled together by a common frame to define a composite gemstone unit having a girdle, a crown on one side of the girdle, and a pavilion on the opposite side of the girdle;   each of said individual gemstones defining a segment of said composite gemstone unit, and including a girdle segment of the composite gemstone unit girdle, a crown segment of the composite gemstone unit crown, and a pavilion segment of the composite gemstone unit pavilion;   the girdle and crown segments of at least some of said individual gemstones having an outer face to serve as the outer face of the composite gemstone unit girdle and crown;   the girdle segment of at least some of said individual gemstones having at least one flat, smooth, inner face in contact with a corresponding flat, smooth, inner face of the girdle segment of another individual gemstone in the composite gemstone unit;   said common frame engaging the girdle segments of said individual gemstones to press the flat, smooth, inner faces of the individual gemstones into firm contact with each other such that the composite gemstone unit appears substantially seamless to the naked eye.   
   
   
       2 . The gemstone construction according to  claim 1 , wherein the pavilion segment of each of said individual gemstones includes a pavilion formed with a culet at its outer tip. 
   
   
       3 . The gemstone construction according to  claim 1 , wherein:
 said crown of the composite gemstone unit includes a flat table; and   the crown segment of each of said individual gemstones is formed with a flat outer surface defining the respective portion of the flat table of the composite gemstone unit, and with at least one flat, smooth inner face in contact with a corresponding flat, smooth, inner face of the crown segment of another individual gemstone in the composite gemstone unit.   
   
   
       4 . The gemstone construction according to  claim 1 , wherein said common frame engages the complete outer faces of the girdle segments of said individual gemstones. 
   
   
       5 . The gemstone construction according to  claim 1 , wherein said common frame engages only a portion of the outer faces of the girdle segments of said individual gemstones. 
   
   
       6 . The gemstone construction according to  claim 1 , wherein each of said individual gemstones is of generally triangular configuration. 
   
   
       7 . The gemstone construction according to  claim 6 , wherein:
 said composite gemstone unit has a girdle of square configuration and is constituted of four individual gemstones arranged in a square array; and   the girdle and crown segments of each of said four individual gemstones have outer faces defining together the outer face of the composite gemstone unit girdle and crown, and two flat, smooth, inner faces each in contact with a corresponding flat, smooth, inner face of the individual gemstone on each of its opposite sides in the composite gemstone unit.   
   
   
       8 . The gemstone construction according to  claim 6 , wherein:
 said composite gemstone unit has a girdle of triangular configuration and is constituted of four individual gemstones arranged in a triangular array of one individual gemstone enclosed by three individual gemstones;   the girdle and crown segments of each of said three individual gemstones have outer faces defining together the outer face of the composite gemstone unit girdle and crown, and a flat, smooth, inner face; and   the girdle and crown segments of said one individual gemstone have three fiat, smooth, faces each in contact with one of the flat, smooth, inner faces of said three individual gemstones.   
   
   
       9 . The gemstone construction according to  claim 6 , wherein:
 said composite gemstone unit has a girdle of rhombic configuration and is constituted of two individual gemstones; and   the girdle and crown segments of each of said two individual gemstones have outer faces defining together the outer face of the composite gemstone unit girdle and crown, and a flat, smooth, inner face in contact with each other.   
   
   
       10 . The gemstone construction according to  claim 6 , wherein:
 said composite gemstone unit has a girdle of trapezoidal configuration and is constituted of three individual gemstones arranged in a linear array of two outer individual gemstones in erect positions on opposite sides of an inner individual gemstone in an inverted position;   the girdle and crown segments of each of said first and second individual gemstones have two outer faces and one flat, smooth, inner face, and the girdle and crown segments of said third individual gemstone have one outer face and two flat, smooth, inner faces;   said outer faces of the girdle and crown segments of the three individual gemstones together constitute the outer face of the composite gemstone unit girdle and crown; and   said two flat, smooth, inner faces of the third individual gemstone are in contact with said flat, smooth, inner faces of the first and second individual gemstones.   
   
   
       11 . The gemstone construction according to  claim 6 , wherein:
 said composite gemstone unit has a girdle of hexagonal configuration and is constituted of six individual gemstones arranged in a hexagonal array; and   the girdle and crown segments of each of said six individual gemstones have outer faces defining together the outer face of the composite gemstone unit girdle and crown, and two flat, smooth, inner faces each in contact with a corresponding flat, smooth, inner face of the individual gemstone on its opposite sides in the composite gemstone unit.   
   
   
       12 . The gemstone construction according to  claim 1 , wherein each of said individual gemstones is a diamond to define, when assembled by said common frame, a composite diamond unit. 
   
   
       13 . A diamond construction, comprising:
 a plurality of individual diamonds assembled together by a common frame to define a composite diamond unit having a girdle, a crown on one side of the girdle, and a pavilion on the opposite side of the girdle;   each of said individual diamonds defining a segment of said composite diamond unit, and including a girdle segment of the composite diamond unit girdle, a crown segment of the composite diamond unit crown, and a pavilion segment of the composite diamond unit pavilion;   the girdle and crown segments of at least some of said individual diamonds having an outer face to serve as the outer face of the composite diamond unit girdle and crown;   the girdle segment of at least some of said individual diamonds having at least one flat, smooth, inner face in contact with a corresponding flat, smooth, inner face of the girdle segment of another individual diamond in the composite diamond unit;   said common frame engaging the girdle segments of said individual diamonds to press the flat, smooth, inner faces of the individual diamonds into firm contact with each other such that the composite diamond unit appears substantially seamless to the naked eye.   
   
   
       14 . The diamond construction according to  claim 13 , wherein the pavilion segment of each of said individual diamonds includes a pavilion formed with a culet at its outer tip. 
   
   
       15 . The diamond construction according to  claim 13 , wherein:
 said crown of the composite diamond unit includes a flat table; and   the crown segment of each of said individual diamonds is formed with a flat outer surface defining the respective portion of the flat table of the composite diamond unit, and with at least one flat, smooth inner face in contact with a corresponding flat, smooth, inner face of the crown segment of another individual diamond in the composite diamond unit.   
   
   
       16 . The diamond construction according to  claim 13 , wherein said common frame engages the complete outer faces of girdle segments of said individual diamonds. 
   
   
       17 . The diamond construction according to  claim 13 , wherein said common frame engages only a portion of outer faces of the girdle segments of said individual diamonds. 
   
   
       18 . The diamond construction according to  claim 13 , wherein each of said individual diamonds is of generally triangular configuration. 
   
   
       19 . The diamond construction according to  claim 18 , wherein:
 said composite diamond unit has a girdle of square configuration and is constituted of four individual diamonds arranged in a square array; and   the girdle and crown segments of each of said four individual diamonds have outer faces defining together the outer face of the composite diamond unit girdle and crown, and two flat, smooth, inner faces each in contact with a corresponding flat, smooth, inner face of the individual diamond on each of its opposite sides in the composite diamond unit.   
   
   
       20 . The diamond construction according to  claim 18 , wherein:
 said composite diamond unit has a girdle of triangular configuration and is constituted of four individual diamonds arranged in a triangular array, constituted of one individual diamond enclosed by three individual diamonds;   the girdle and crown segments of each of said three individual diamonds have outer faces defining together the outer face of the composite diamond unit girdle and crown, and a flat, smooth, inner face; and   the girdle and crown segments of said one individual diamond have three flat, smooth, faces each in contact with one of the flat, smooth, inner faces of said three individual diamonds.   
   
   
       21 . The diamond construction according to  claim 18 , wherein:
 said composite diamond unit has a girdle of rhombic configuration and is constituted of two individual diamonds; and   the girdle and crown segments of each of said two individual diamonds have outer faces defining together the outer face of the composite diamond unit girdle and crown, and a flat, smooth, inner face in contact with each other.   
   
   
       22 . The diamond construction according to  claim 18 , wherein:
 said composite diamond unit has a girdle of trapezoidal configuration and is constituted of three individual diamonds arranged in a linear array, constituted of first and second individual diamonds in an erect position on opposite sides of a third individual diamond in an inverted position;   the girdle and crown segments of each of said first and second individual diamonds have two outer faces and one flat, smooth, inner face, and the girdle and crown segments of said third individual diamond have one outer face and two flat, smooth, inner faces;   said outer faces of the girdle and crown segments of the three individual diamonds together constitute the outer face of the composite diamond unit girdle and crown; and   said two flat, smooth, inner faces of the third individual diamond are in contact with said flat, smooth, inner faces of the first and second individual diamonds.   
   
   
       23 . The diamond construction according to  claim 18 , wherein:
 said composite diamond unit has a girdle of hexagonal configuration and is constituted of six individual diamonds arranged in a hexagonal array; and   the girdle and crown segments of each of said six individual diamonds have outer faces defining together the outer face of the composite diamond unit girdle and crown, and two flat, smooth, inner faces each in contact with a corresponding flat, smooth, inner face of the individual diamond on its opposite sides in the composite diamond unit.