Caldera Gem

An exclusive and highly curated selection of diamonds and gemstones for the discerning shopper.

Custom Made Aquamarine Engagement Ring

Expertly curated

The next time you truly want to make a statement – to really express your love and their individuality - you need a personal gem-shopper. An expert who understands luxury, gem cutting, sourcing and quality. Someone who has already done the hard work for you; who knows that your loved one is unique, so their gems should be too.

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Meticulously hand-picked

When you choose from Caldera’s exclusive and highly-curated selection, you can relax, knowing we’ve mastered the art and science of finding the world’s most desirable diamonds and gemstones. We search across continents for you, hand-picking the best, and only purchasing from authentic and trusted suppliers.

If you want to turn your hand-picked stone into something that you or your loved one can wear and cherish forever, you deserve an expert jeweller, who we’ll happily recommend

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Square Cushion Cut Yellow Sapphire Gemstone

Education & Guides