Red – the colour of love, passion, and power! The name is derived from the Latin word ruber meaning red. Ruby is the birthstone for July and the anniversary stone for 15th and 40th year of marriage. Fine rubies are the most expensive of all gemstones (except for very rare diamonds). It has got all it takes for a precious stone: wonderful colour, excellent hardness, great brilliance, and rarity. Click here to read full article. Ruby – July birthstone