24k gold is the purest form of gold, containing 99.9% pure gold with no other metals, earning it the designation “fine gold.” The “k” stands for karat, with 24 representing maximum purity. While highly valuable and recognizable by its bright yellow color, 24k gold is very soft and malleable, making it impractical for everyday jewelry … Read more

Platinum-iridium alloy combines 90-95% platinum with 5-10% iridium, creating a material prized in jewelry for its enhanced hardness, strength, and durability while maintaining platinum’s luster and chemical stability. The alloy is paramagnetic (weakly attracted to magnets) and generally hypoallergenic, though rare allergic reactions can occur. It’s commonly used in wedding rings and high-end jewelry due … Read more

Platinum 850 is a platinum alloy containing 85% pure platinum and 15% other metals like palladium or copper. While less pure than platinum 950 or 900, it remains a high-quality, more affordable option for jewelry making. The alloy is paramagnetic (not magnetic), hypoallergenic, and offers good durability and scratch resistance. It’s commonly used in fine … Read more

Platinum 900 is an alloy containing 90% pure platinum and 10% other metals like ruthenium or iridium, added for enhanced durability and workability. It’s popular for jewelry, especially engagement and wedding rings, offering a balance of purity, strength, and cost. The alloy is non-magnetic (paramagnetic) and hypoallergenic, making it suitable for most people. While no … Read more

  What is a Silver Alloy? A silver alloy is a mixture of pure silver with one or more other metals. These silver alloys are created to enhance silver’s properties, such as strength and durability, making it more suitable for various applications, including jewelry and electrical contacts. There’re many silver alloys developed and I cover … Read more

Platinum 600 is an alloy containing 60% pure platinum and 40% other metals, offering a more affordable alternative to higher-purity platinum alloys like Platinum 950. It’s typically paramagnetic unless alloyed with ferromagnetic metals like iron or nickel. The alloy isn’t naturally hypoallergenic due to potentially allergenic metals in the 40% non-platinum content, though it can … Read more

Platinum 500 is a platinum alloy containing 50% pure platinum and 50% other metals, which can be precious metals (palladium, rhodium) or base metals (copper, cobalt). It’s typically non-magnetic and paramagnetic unless alloyed with ferromagnetic metals like iron or nickel. The alloy isn’t consistently hypoallergenic due to potentially allergenic metals in the 50% non-platinum portion. … Read more

950 platinum is a platinum alloy containing 95% pure platinum and 5% other metals like palladium, copper, or rhodium. This alloy is popular for jewelry due to its excellent balance of purity, durability, and aesthetic appeal. It’s non-magnetic (paramagnetic), hypoallergenic for most people, and naturally resistant to tarnish and corrosion. The hallmark “950” is typically … Read more

Platinum 999 is 99.9% pure platinum, also called “fine platinum” due to its high purity level. It’s paramagnetic rather than magnetic and is hypoallergenic unless you have a specific platinum allergy. Platinum 999 bullion exists for investment purposes, including IRA-approved coins and bars. Jewelry made from pure platinum is rare because pure platinum is too … Read more

Sterling Platinum is a trademarked silver alloy developed by ABI Precious Metals, containing minimum 90% silver and 10% platinum. This alloy is harder, more durable, and tarnish-resistant than traditional sterling silver, with a brighter appearance. It’s diamagnetic, hypoallergenic, but still tarnishes due to its high silver content. Used exclusively for jewelry, not bullion. Learn more … Read more