Art Deco Cabochon Sapphire and Diamond Dress Ring, c.1920s
18 Carat Yellow Gold + Platinum
A granular relief pattern design on metal, produced using a chisel. The effect produces slightly raised bumps and was often used in antique pieces through to the late Art Deco era.
A personal ornament such as a necklace, ring or bracelet, usually made from precious metals and gemstones.
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 stone that has been polished into a dome shape with no facets. The cut is used primarily to create and enhance phenomenon in gems such as star sapphires.
A mark or a series of marks stamped on precious metal such as gold, platinum or palladium. The hallmark often denoted the place the item was made, the fineness of the metal and the year in which the item was hallmarked/made.
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 blue gemstone and variety of the mineral corundum. A sacred gemstone; Moses was supposedly given the Ten Commandments on a tablet of blue sapphire. Sapphire has since been known as a gemstone that symbolizes wisdom and truthfulness. Sapphires from Kashmir are said to have unrivalled beauty, being a deep cobalt blue colour with a silky look. More recently sapphires have become more popular as an engagement stone following the engagement of Katherine Middleton to Prince William. Kate wears a 12 carat Ceylon sapphire as her engagement ring which was previously owned by Diana Princess of Wales. Read more
The part of a ring that sits on top of the finger and supports the bezel. The gallery is sometimes engraved, pierced or open sided with patterns.
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.
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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