Category Archives: Jewelry News

china artificial jewellery What are the economic evaluation conditions for emeralds?

There are four main economic evaluation conditions for emeralds, namely: ①Color: emerald green and dark green are better, greenish blue and yellowish ones are inferior; ②Transparency: crystal clear, clear and bright is the best, translucent Those who can only be included in the third grade; ③Purity: emeralds are often flawed, pure ones are rare and [...]

jewel manufacturing What are the characteristics of tourmaline minerals?

(1) Complex composition: Tourmaline is an extremely complex boro-aluminosilicate mineral, and it is the gem mineral with the most complex chemical composition in nature. It may contain one or several elements such as magnesium, iron, lithium, potassium, sodium, etc. Due to the different content ratios of these elements, tourmaline often has different colors. Such as [...]

singida tanzanian zircon Why can Opal change color?

Opal has many names, mainly "white gem" and "fancy stone". In the south of my country, it is called "flashing mountain cloud", which comes from Australia's famous producing area "Lightning Ridge". Opal is listed as the birthstone of October by the international jewelry industry, symbolizing hope and happiness. Opal is the most colorful of gemstones. [...]

ring supplier What Type Of Gold Does Blue Nile Use For Ring Heads?

What Type Of Gold Does Blue Nile Use For Ring Heads? For yellow gold and rose gold settings, Blue Nile uses platinum ring heads to secure center diamonds. All designs in 14k white gold use 14k white gold ring heads which have the strength and durability required to keep a center stone safe. 14k white [...]

bracelet stones Our fine jewelry comes in 3 colors: yellow gold, white gold and rose gold.

Our fine jewelry comes in 3 colors: yellow gold, white gold and rose gold. What Is Yellow Gold? A mixture of silver, copper, pure gold (and a trace of zinc) gives yellow gold jewelry its rich shine. Although the percentages of each metal used to create the alloy vary, all formulas starts with 75% pure [...]

silver supplier Hallmarks

Hallmarks Gold is commonly stamped with what’s known as a hallmark. The hallmark indicates the amount of pure gold content, and sometimes denotes the date of completion and country of origin. And under federal law, gold jewelry must be accompanied by a maker's mark or registered trademark. Blue Nile Gold We carry jewelry that’s crafted [...]

custom chain design How Do You Determine The Price Of Gold?

How Do You Determine The Price Of Gold? Gold is traded on a public exchange and therefore the price is subject to many external influences. That’s why the price of gold jewelry is largely dependent on three factors: Purity of gold used (the karatage), combined with the physical weight of the item Current market value [...]