All our jewelry is free from nickel, lead, and cadmium. At Kosiner Jewelry, we prioritize comfort and safety, embrace sustainable practices, and deliver refined craftsmanship.
Titanium
Crafted from medical-grade titanium, our pieces are tailored for sensitive skin with lightweight strength. Our flat-back earrings offer hypoallergenic, corrosion-resistant comfort, ensuring a secure fit and ideal long-term wear for effortless beauty.
Care Tips
Wipe with a damp cloth; use warm soapy water occasionally and store in a soft pouch to maintain shine.
18K Gold & Rose Gold Plated
Our 18K Gold & Rose Gold Plated jewelry features an 925 Sterling Silver base with 18K gold plating, enhanced with e-coating for lasting shine and hypoallergenic comfort, delivering affordable elegance.
Care Tips
Wipe with a soft, dry cloth and avoid water or lotions; store in an airtight pouch and remove before swimming or workouts.
925 Sterling Silver
Our 925 Sterling Silver (92.5% pure silver, 7.5% copper alloy) delivers durable, brilliant shine. Made from 95% recycled silver, it's lightweight and stamped "925" for authenticity.
Care Tips
Wear often to reduce tarnish; polish with a silver cloth and store in an airtight pouch. Avoid harsh chemicals like chlorine.
14K Gold
Our 14K gold boasts a warm, durable hue, crafted for daily wear. Blending 90% recycled and 10% responsibly sourced gold.
Care Tips
Wipe with a soft, damp cloth for daily care; use mild soapy water for deeper cleaning. Store in a cool, dry place to prevent scratches.
Vermeil
Our vermeil features a 2.5-micron 18K gold layer over sterling silver, ensuring hypoallergenic, long-lasting beauty. Made with 95% recycled materials, it mirrors 18K gold’s warm tone.
Care Tips
Wipe with a soft cloth after wear; clean with lukewarm soapy water and store separately to prevent tarnish.
Lab-Grown Diamonds
Lab-grown diamonds with VS clarity and F–G color, created via CVD, match the brilliance of natural diamonds while reducing environmental impact—making sustainable luxury more accessible.
Care Tips
Clean with a soft brush and mild soapy water, then rinse; store in a lined box to avoid scratches.

