JEWELRY METAL GUIDE
The Jewelry Materials We Use
At Studio Nonna, material quality is at the heart of everything we design. Our jewelry is made to last, feel good on the skin, and fit seamlessly into everyday life.
Below you’ll find a transparent guide to all materials used across our collections.
316L Stainless Steel Jewelry
What is 316L stainless steel?
316L stainless steel is a premium-grade material commonly used in medical applications due to its durability and skin compatibility. It is widely recognized as one of the most durable materials in contemporary jewelry.
Why we use 316L stainless steel
Our stainless steel jewelry is:
- Hypoallergenic and nickel-free
- Waterproof and rust-resistant
- Highly durable and color-stable
This makes it ideal for everyday wear and long-lasting jewelry pieces.
Is stainless steel jewelry waterproof?
Yes. Our 316L stainless steel jewelry is waterproof and designed for daily use. For maximum longevity, we recommend avoiding prolonged exposure to harsh chemicals.
Gold Vermeil & Hoop Charms
What is gold vermeil?
Gold vermeil is a high-quality plating technique that combines a solid 925 sterling silver base with a thick gold layer.
Our gold vermeil specification
- Base: 925 sterling silver
- Gold layer: 2.5 micron
- Significantly more durable than standard gold plating
A 2.5 micron gold layer ensures a rich gold tone and increased longevity.
Gemstone Hoop Charms
For our chunky hoop charms, we exclusively use real, natural gemstones. Each stone is carefully selected for its individual character, making every charm slightly unique and adding an elevated, more refined feel to each piece.
Our chunky hoop charms are designed to be modular and interchangeable. They can be styled with different hoops, allowing you to create versatile looks with a single piece.
Navajo Turquoise Jewelry - 925 Sterling Silver
What is Navajo turquoise jewelry?
Navajo turquoise jewelry is deeply rooted in traditional Native American silversmithing, where turquoise holds both cultural and symbolic significance. The combination of handcrafted sterling silver and natural turquoise stones has been passed down through generations and is known for its distinctive, timeless character.
Each piece reflects the individuality of the stone and the craftsmanship behind it, making Navajo turquoise jewelry both meaningful and one of a kind.
What is 925 sterling silver?
925 sterling silver consists of 92.5% pure silver and is a classic precious metal used in fine jewelry.
The origin of our Navajo turquoise jewelry
For our Navajo Turquoise Collection, we work in close collaboration with experienced silversmiths based in New Mexico. We personally know the artisans behind these pieces and value the traditional craftsmanship that goes into each design.
This close partnership allows us to ensure high material quality, authenticity, and a respectful approach to the cultural origins of the jewelry.
Why sterling silver for this collection
Our Navajo Turquoise Collection features:
- Genuine 925 sterling silver
- Natural turquoise stones
- One-of-a-kind pieces with unique character
Does sterling silver tarnish?
Yes. Sterling silver may oxidize over time due to air exposure. This is a natural process and can easily be reversed with gentle polishing or regular wear.
Jewelry Materials – FAQ
Is your jewelry suitable for sensitive skin?
Yes. All materials used are carefully selected and suitable for sensitive skin.
Which pieces are waterproof?
Our stainless steel jewelry is fully waterproof and designed for everyday wear, including water exposure.
Gold vermeil and sterling silver pieces can also be worn in water without being damaged. However, frequent or prolonged contact with water — especially saltwater or chemicals — may affect the surface over time. To preserve their finish and shine, we recommend gentle care.
Is gold vermeil real gold?
Yes. Gold vermeil features a thick layer of real gold applied to a sterling silver base.