Some interesting facts about rubies:

• Rubies are discovered in various red tints ranging from rich, dark red to pinkish-red.
• Ruby gemstone is also the birthstone for July and a traditional gift for 15th and 40th wedding anniversaries. Most genuine ruby gemstones are processed to improve their colour and durability. This is a common and acceptable technique in the jewellery industry.
• Ruby gemstones were found about 2,000 years ago.
• Rubies are regarded as "Ratnaraj" in Hindi. t signifies "lord of jewels." In Latin, red was first called "Rubeus," then "Rubens," and eventually "ruby," which is what people currently call these gemstones.
• In the world of gemology, just four gemstones are recognized as "precious stones." Diamonds, sapphires, and emeralds are the other 3, and rubies are among them.
• Rubies are members of the crystalline family. Only red corundum gemstones are referred known as ruby. In other terms, when they're a different color, they're sapphires.
• Chromium is the element that gives rubies their red color. As a result, finding ruby larger than three carats is difficult.
• Rubies are rated a perfect 10 on the Mohs scale, putting them the second-hardest gemstone after diamonds. 
• At the Paris World Fair in 1900, Auguste Verneuil showed the first lab-grown ruby. 
• Technology is one of the many applications for lab-created rubies. Theodore H. Maiman built a working laser in 1960, for the very first time using a lab-grown rubies gemstone.
• The most highly prized ruby hue is pigeon's blood, which is a deep red with a blue tint. The Chromium throughout most rubies helps them glow when contacted to the sun radiation. The combined economic impact of rubies, sapphires, and emeralds exceeds that of all other gemstones.
• Rubies are thought to evoke powerful emotions, offer great luck, safeguard the user from poor fortune, and act as a source of inspiration.

Jewellery made with Ruby

• Ruby stones are the second-best natural source of gems, just behind diamonds in toughness. Rubies have been used in jewellery for a long time. In rare cases, imperfections in rubies could impart a "star" look.
• Safeguard the jewellery from scratches by using a soft cloth or a cushioned container.
• Wipe your ruby jewellery using a soft cloth and warm, sudsy water.