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Gemstones

Gemstones

A loose emerald radiant cut spinel in a rich purple blue tone.

At Aide-mémoire, we are committed to offering only responsibly sourced stones.

Our collection includes a stunning range of recycled natural and lab-grown diamonds and gemstones, including Diamond Foundry lab-grown diamonds. Many of the gems in this catalog are kept in stock. If you're looking for a size or cut not listed, feel free to contact us with your specifications. In many cases, we can source additional options. A sourcing fee may apply.

If you're drawn to color, sapphires are an excellent choice. Naturally durable and available in every color of the rainbow, they come in both soft and vibrant tones.

Please note while browsing our Gemstone Collection:

  • Colors may appear differently depending on your screen settings
  • Colored stones may shift in hue under different lighting
  • Unless marked as unheated, natural sapphires have been heat-treated only and have not undergone additional treatments

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Start Your Ring Journey

Shop With Confidence

Image shows three solitaire engagement rings to depict the difference between different millimeter-sized center stones.

Engagement Ring Basics

Overwhelmed by first-time ring shopping? Start here. We dig into how different stones and metals actually behave, navigating surprise proposals, budget realities, and the technical details that matter, so you can make choices based on what works for you, not marketing.

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A softly textured wedding band set, in rose gold and yellow gold. The rings have a smooth, faceted surface with a matte finish.

Wedding Ring Shopping Guide

We love to geek out about metalsmithing: Mine our knowledge to learn how different alloys behave over time, what band width means for durability, and technical and stylistic considerations for a ring you'll never take off. Oh, except when you should, and we cover that too.

Read The Guide