• Saturation - the strength or purity of a color's hue.

  • Scarab -  a gemstone cut in the form of a beetle.

  • Scintillation - the sparkling reflection of light from a gemstone when the item, the view or the source of light moves.

  • Setting - a mounting or portion of a mounting that actually hold a gemstone.  

  • Shank - the band of a finger ring.

  • Signet Ring -  a ring that does not contain any gemstones and has a flat surface.  Ofter the flat surface of these rings are engraved with a monogram.

  • Shoulder - the top portion of the shank that adjoins it to the top part or bridge of a ring.

  • Solitaire -  a ring that has one center gemstone as its main design feature.

  • Sterling Silver - is 915 parts silver and 85 parts other metals (alloy) including solder.  The quality mark is stamped as .915.

  • Synthetic - a man-made gemstone that has the same physical, chemical and optical properties of a natural gemstone.