• Gold & Platinum
• Setting Examples
• Birth Stones
• Gem Care
• Diamond Cutting
• Interesting Diamonds facts
• Laser Inscribed

Jewelry Knowledge | De Beers 4'cs charts | Diamond & Jewelry Care | Dictionary

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 Content Gold Markings Purity 24K 100% 999 18K 75% 750 14K 58.3% 585 10K 41.7% 417 9K 37.5% 375 Gold Colors and Mixture Yellow Gold Gold with Copper and Silver Alloys White Gold Gold Nickel, Zinc, silver Green Gold Gold with Silver, sometimes Copper and Zinc Red Gold Gold with Copper Pink Gold Gold with Copper

Platinum

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.