Named after the colour of sea water, aquamarine is a beautiful pastel blue to blue-green gem of the beryl family. Readily available and moderately priced, the modern gemstone with beautiful clarity can appear dazzling when it is well-cut. 1 carat aquamarine can range from US$100 to US$250, depending on quality.
“Emerald by day, ruby by night,” Alexandrite is well known for displaying one of the most astonishing colour changes in the world of gem. It appears to be green emerald in daylight and red ruby under candlelight.
This not only makes Alexandrite unbelievably beautiful but also pricey. 1 carat Alexandrite can cost $15,000, and up to $70,000 per carat for a larger size. The Smithsonian Institute probably owns the largest faceted Alexandrite, which is a cushion-cut stone weighing 65.08 carats valued at over $4 million.
Amethyst is the most loved purple gemstone from the quartz family. It is famous for it’s representation for peace, calm, and tranquility, and is believed by some to have healing properties. It is also widely available and therefore affordable, but worth higher when it is carefully cut, mounted and customised into sophisticated design of engagement rings or wedding rings.
Most gemstones are usually form in earth’s crust, but peridots are formed much deeper in the earth’s upper mantle, they are then transported towards the surface of the earth through volcanic activity. 1 carat peridot price starts from USD $80 per carat, and up to $450 per carat for bigger size.
Named after the French word citron, meaning lemon, Citrine is usually bright yellow and transparent variety of Quartz, although color can range from pale to golden yellow, honey or almost brown, and may contain rainbow or sparkle inclusions.
The attractive color of Citrine, plus the durability and affordability, makes it the top-selling yellow-to-orange gem. It’s an attractive alternative for yellow sapphire. Available in wide range of sizes, the most premium color of citrine color is saturated yellow to reddish orange with no brownish tints.
Tanzanite is the violet blue and blue violet gem from zoisite. It is found commercially only in one area of the world: Tanzania, which is where it names from.