Blog — gems
The Wittelsbach-Graff Diamond
Peter Lopez diamonds gems historical jewelry jewelry royalty the 4cs The World's most Famous Diamonds
Laurence Graff purchased the Wittelsbach Diamond in 2008 for £16.4 million. In 2010, Graff revealed he had had the diamond cut by three diamond cutters to remove flaws. The diamond was now more than 4 carats lighter and was renamed the Wittelsbach-Graff Diamond.There was controversy...
The Blue Moon Diamond
Peter Lopez carat clarity color custom jewelry cut diamonds gems gia historical jewelry jewelry the 4cs The Blue Moon Diamond The World's most Famous Diamonds
The Blue Moon of Josephine is a 12.03 carat (2.406 g) blue diamond, described as flawless by experts, that was...
Aquamarine - from the Latin Aqua Marinus
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Aquamarine (from Latin: aqua marina, being, water: sea, i.e. seawater, marina, from marīnus; of the sea.) is a blue or cyan variety of beryl. It occurs at most localities that yield ordinary beryl.
The History of the Diamond
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DIAMONDS
Early history
Prior to the discovery of diamonds in Brazil in the 1700s, India was the only place where diamonds were mined. Early references to diamonds in India come from
The Emerald - Cleopatra's Favorite
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Emerald is a gemstone and a variety of the mineral beryl colored green by trace amounts of chromium and sometimes vanadium. Most emeralds are highly included, so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate. The word "emerald" is derived (via Old French: esmeraude and Middle English: emeraude), from Vulgar Latin: esmaralda/esmaraldus, a variant of Latin smaragdus, which originated in Ancient Greek: (smaragdos; "green gem") Hardness of 7.5–8 on the Mohs scale Emeralds, like all colored gemstones, are graded using four basic parameters–the four Cs of connoisseurship: color, clarity, cut and carat weight. Before...