Art Deco 1.80 Carat Old Cut Diamond Cluster Ring, c.1920s
A rectangular cut with rectangular facets arranged parallel to the girdle and usually with 45 degree corner angles. This type of cut is more transparent than other shapes, often requiring higher standards of clarity.
The practice of incising a design or inscription on a hard surface of metal, created by cutting grooves into it, by hand or machine. Engraving was very popular during the Victorian era to create a scrolled pattern on the gallery or shoulders of a ring.
This term refers to the decorative art style of the 1920s and 1930s. Bold geometric shapes and opulence characterized the style of the era.
A metal prized for its rarity, whiteness, high tensile strength and insusceptibility to corrosion. It first became widely used in jewellery in the late nineteenth century, when methods were found to make it more easily workable. It features heavily in the delicate Edwardian jewellery of the first decades of the twentieth century.
A decorative enhancement to a ring, in the shaped of a metal tube that was usually added under the shoulders of the ring – particularly used in antique pieces.
A term used to describe the cut of a stone, usually cut prior to 1910. They are characterized by having small tables, large culets and rounded outline with a high crown. They were cut so to produce optimal levels of fire, seen best in candlelight.
Derived from the Greek meaning ‘unbreakable’, diamond is a mineral, considered to be the most beautiful and rare of all gemstones. Diamond has been associated with love for centuries.
Named so from the Greek ‘green stone’, emerald is coloured by the trace elements chromium or, less often, vanadium. Emeralds have been mined in Egypt since the 4th century BC. Emerald is a stone that is said to open the heart chakra and symbolize ‘successful love’. It is green variety of the Beryl family, a species that also includes aquamarine, morganite and red beryl. The most desirable emeralds are mined in Muzo, Colombia, though emeralds are also being mined in other areas of South America, Central and Eastern Africa, Madagascar, Pakistan, Afghanistan and Central Asia. Read more
A weight measurement of a gemstone or gold. The term is derived from the ancient used of carob seeds to balance scales when selling amounts of gold or gemstones. The term is often shortened to ‘ct’.
One of the most defining characteristics of a diamond is its cut. While high grades of color, clarity, and carat weight affect a diamond, it's the cut that determines the symmetry of the stone's facets, its overall proportions, and its ability to reflect light. An expertly cut diamond will achieve high levels of brilliance, sparkle, and durability. For more information and cut types, see The Four C's.
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