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How to Help Birds Migrate
How to Help Birds Migrate Provide Food and Water Enhance Window Visibility Turn Off the Lights Support Conservation Efforts Bird migration is an impressive feat where birds can navigate over long distances without modern technology. However, they are facing challenges such as habitat loss and climate change. As individuals, there are several ways we can…
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The Bird’s Guide to Molt Season
The Bird’s Guide to Molt Season It can seem strangely quiet with fewer birds and no bird songs to be heard in the garden. The birds that do appear can look disheveled. Don’t worry! They are just in molting season. How often do birds moult? Most birds will go through this process once or twice…
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Topaz
Price Retail price for 1 carat plus topaz:Quality from high to lowLondon blue: $15-$25/ctSwiss blue: $8-$20/ctSky blue: $3-$20/ctColorless: $3-$26/ct Main origin The main origins of topaz are Brazil, Russia, Sri Lanka, Afghanistan, Pakistan, and the United States. Brazil’s state of Minas Gerais is the world’s most important source of precious topaz, which is mostly cut…
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Tanzanite
Tanzanite Price Retail price for top color tanzanite:Carat size from large to small5 carats plus: $75-$1500/ct1-3 carats: $75-$1200/ct0.5-1 carat: $75-$500/ct Main origin The Merelani Hills in northern Tanzania is the only location where commercial mining of tanzanite takes place. Imitation Coranite – synthetic blue corundum, tanavyte – purple YAG, glass Synthetic blue corundum Blue glass…
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Sapphire
Sapphire Price Retail price for 1-2 carat heated blue sapphire:Quality from high to lowTop grade: $1600-$3900/ctVery good grade: $1400-$2700/ctGood grade: $1200-$2100/ctFair grade: $275-$1125/ct Typically, mid-quality untreated blue sapphire will sell for 20-30% more than a treated stone of the same quality. Main origin The Burma (Myanmar) and Kashmir are two well-known regions that are famous for…
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Ruby
Ruby Price Retail price for 0.5-0.9 carat heated ruby:Quality from high to low Very good color: $1250-$6000/ctGood color: $1000-$4000/ctFair color: $450-$1000/ct Unheated rubies are usually more expensive than heated stones of the same quality. Generally, Burma rubies have higher prices than rubies from other sources, such as Mozambique, Thailand, Sri Lanka etc. Main origin Myanmar, can command…
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Morganite
Morganite Price Retail price for fine color morganite:Carat size from large to small10 carats plus: to $300/ct1-10 carats: $20-$200/ct Main origin Morganite can be found in several locations globally, such as Brazil, Afghanistan, Mozambique, Namibia, the United States, and Madagascar. Madagascar and Minas Gerais, Brazil are the two most significant sources of morganite. Imitation Pink…
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Aquamarine
Aquamarine Price Retail price for 1.5-3 carats aquamarine:Quality from high to lowDark: $350-$1000/ctMedium: $22-$600/ctLight: $20-$100/ct Main origin The main origin of aquamarine is Brazil. While there are other significant sources of gemstone, including Madagascar, USA, Myanmar, Pakistan, and others. It’s worth noting that the quality of an aquamarine can vary greatly depending on its origin.…
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Citrine
Citrine Price Retail price for 1 carat plus citrine:Quality from high to lowMaderia: $30-$112/ctOrange: $10-$35/ctYellow: $10-$20/ctGold: $5-$15/ct Main origin： Citrine is primarily found in Brazil, Madagascar, Spain, and the United States. The finest quality citrine is said to come from the Maraba region of Brazil. Imitation： Yellow glass, Ferruginous Quartz Yellow glass Quality factors： Color:…
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Diamond
Diamond Price Retail price for 1 carat diamond:Quality from high to lowTop quality: $12200-$22000/ctVery good quality: $8100-$12600/ctGood quality: $3500-$8700/ctFair quality: $1000-$5100/ct Main origin Diamonds are found in several locations around the world, such as Russia, Australia, Canada, Africa. South Africa historically was the world’s top producer of diamonds, and other African nations such as Botswana…