Wednesday, 23 May 2012

Chennai Diamond Rhino Jewel Gold Studded Jewellery Designing CAD WAX Casting Institute Courses Training Tamil Nadu India


FOR MORE INFORMATION CONTACT: 

Aesera Jewel Design  Academy
No 144/74, Eskay building, 3rd floor, 
Greams Road, Thousand Lights
Chennai, India
Mobile: +91-9444100081,+91-9840689781,+91-9840966467

seshu.gopal@jewelrydesignacademy.com 
Gold


Gold is graded in purity called Karats, 24 Karat gold is pure gold, also known as fine gold with a purity of 99.9%. An 18 karat gold ring is 75% pure gold and 25% alloy; while a 14 karat gold ring is 58.5% pure gold and 41.5% alloy.


Hallmark
Minimum Fine Gold ContentGold Markings Purity
24K100%999
18K75%750
14K58.3%585
10K41.7%417
9K37.5%375
Gold Colors and Mixture
Yellow GoldGold with Copper and Silver Alloys
White GoldGold Nickel, Zinc, silver
Green GoldGold with Silver, sometimes Copper and Zinc
Red GoldGold with Copper
Pink GoldGold with Copper

PlatinumPlatinum
Platinum is silvery-white precious metal and is usually more expensive than gold. Most platinum jewelry is 95% platinum and 5% alloy. Platinum is heavier and more durable than gold with a slower wear factor.

2 comments:



  1. thanks a lot.... thanks for your information... very much useful for me.... keep on posting...




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