Our Story

Who We Are

Castemark makes gold jewelry. Real gold — gold vermeil and solid gold. Nothing plated over brass, nothing dressed up to look like something it isn't.

We started with a straightforward idea: gold has held its value for thousands of years. It's one of the few things you can wear that actually appreciates. So we build jewelry around that fact — pieces made from real gold that you can wear every day and pass down when you're done.

What We Make

Every Castemark piece uses either gold vermeil (a thick layer of real gold over sterling silver) or solid gold in 10K, 14K, or 18K. We don't use gold-plated brass, stainless steel, or any base metal shortcuts. If it says gold, it is gold.

We work with skilled manufacturers who specialize in fine gold jewelry. Our designs are clean and wearable — meant to be put on in the morning and forgotten about until someone asks where you got them.

What We Believe

Gold is a store of value. It has been for over 5,000 years. When you buy gold jewelry from us, you're not just buying an accessory — you're holding something with real, lasting worth.

We also believe in giving back. 5% of every sale supports financial literacy programs, environmental responsibility, and artisan communities. We think that's the right thing to do, so we do it.

What We Don't Do

We don't do hard sells. We don't inflate claims. We don't use cheap materials and charge premium prices. If a product isn't ready, we'll tell you. If something is sold out, we won't pretend otherwise. Transparency isn't a marketing strategy for us — it's just how we operate.