Vintage 1.10ct Emerald and Diamond Three Stone Ring, c.1960s
Platinum & 18 Carat Yellow Gold
A unique diamond cut that was developed in 1902 by the Asscher brothers. They were initially famous for cutting the worlds largest stone, the Culinan (3106 carats), and is characterized by its shape, which is similar to an emerald cut, but square and with larger step facets and cut corners. The Asscher cut peaked in demand in the 1920’s, but since the early 2000’s has had a resurgence in popularity.
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 term used to describe a gemstone that has not been subject to any treatment, such as heat treatment.
A term used to describe the severity of the internal and external inclusions in a gemstone. See The Four C’s for further information.
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
The diamond colour grading scale ranges from D to Z. See The Four C’s for more information.
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’.
A chemical element with the symbol Au. Gold is a yellow, malleable metal which makes it perfect for use in jewellery making.
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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