Green emeralds are a variety of the gemstone beryl and have been highly prized since pre-historic times. Color - hue, tone and saturation Clarity - visibility of inclusions Cut -how well the stone is cut...
Introduction Sapphires derive their name from the Latin word "sapphirus", meaning blue, and are often referred to as the "gem of the heavens" or the "celestial gem" as their colours mirror the sky at...
CITES was formed in 1973 and to date has 163 members. Membership is voluntary as is adhesion to the aims and ambitions. (cites.org) Trading internationally is not the same as one person purchasing from...
Facts and Data about Platinum Platinum is a dense (heavy) hard silvery metallic element, a precious metal used in jewellery, coins, chemical engineering, and a catalyst used in industry and for car exhausts....
Recommended last posting dates for Christmas 2005 UK last posting dates Wednesday 14th Dec - Standard parcels Saturday 17th Dec - Second Class Tuesday 20th Dec - First Class Thursday 22nd Dec - Special...
What is meant by fixed lug, wire lug, trench, or officers watch?Although wrist watches had been made before the First World War (WW1 - 1914 to 1918) they were mainly worn by ladies: they were not fashionable...
Diamond - Technical General Information Brief technical, scientific, historical notes about diamonds, plus quality and price factors, simulatns, synthetics. What is Diamond? - Diamond is Carbon It may seem...
Introduction Diopside is a Calcium Magnesium Silicate found in metamorphosed impure limestone, meteorites and igneous basalts. Diopside was named in 1800 from the Greek word "Dis" meaning double and...
The release of The Blood Diamond film will heighten awareness of the real issues of 'conflict diamonds' The term conflict or ‘blood’ diamonds, as they are sometimes called, refers to alluvial diamonds found in...
At Platinum Diamonds we want all our customers to be as educated as possible prior to making a purchase. Diamonds and jewellery in general is a personal purchase and one that will last a lifetime, the more...