Gemstone Detective

Gemstone Detective I'm an independent gemstone expert helping collectors and buyers source gemstones ethically and safely. Welcome to Gemstone Detective!

Concierge sourcing and insider guidance from mine to market. I’m Kim Rix, a GIA qualified gemmologist and published author. With 10 years of experience in the industry, I specialise in uncovering the beauty and stories behind gemstones from around the globe. From sourcing gems to providing insights into their origins, my mission is to bring the fascinating world of gemstones closer to you. Join me

on a journey of discovery as we explore the rich tapestry of gemstones and their captivating histories. Feel free to reach out for consultations, expert advice, and more!

The goal is not just to buy a beautiful gemstone.The goal is to buy one with clarity and confidence.
05/06/2026

The goal is not just to buy a beautiful gemstone.

The goal is to buy one with clarity and confidence.

A collector-focused guide to buying a Ceylon sapphire in Sri Lanka, including what influences value, what to question be...
04/06/2026

A collector-focused guide to buying a Ceylon sapphire in Sri Lanka, including what influences value, what to question before purchase and why informed guidance matters.

https://www.gemstonedetective.com/post/buy-ceylon-sapphire-in-sri-lanka

This guide is designed to give you clarity, insider insight, and practical strategies for buying cut and polished Ceylon sapphires.

I've learned more sitting quietly, watching, listening, and learning in a gem market than at any international trade sho...
03/06/2026

I've learned more sitting quietly, watching, listening, and learning in a gem market than at any international trade show.

Observation is underrated.

You don't need to know everything about the gem trade. You just need to know who can help you ask the right questions.  ...
02/06/2026

You don't need to know everything about the gem trade. You just need to know who can help you ask the right questions.

Every gem I handle tells a story before it even reaches the market. That's why my guides focus on preparation, not impul...
01/06/2026

Every gem I handle tells a story before it even reaches the market. That's why my guides focus on preparation, not impulse.

https://www.gemstonedetective.com/post/buying-gemstones-abroad-2026

But buying gemstones abroad can be a little intimidating. I often get travellers asking me: “Is this real? Am I paying too much? Is it ethical?”

I understand why many buyers feel unsure about sourcing at the origin.There is a lot of noise and very little clear guid...
29/05/2026

I understand why many buyers feel unsure about sourcing at the origin.

There is a lot of noise and very little clear guidance.

That's where preparation changes everything.

Infographics make it easier to see the chain from mine to market. Even experienced buyers miss critical steps if they do...
28/05/2026

Infographics make it easier to see the chain from mine to market. Even experienced buyers miss critical steps if they don't visualise the journey.

Tanzania next 🇹🇿💎Heading back to Tanzania for six weeks to explore gemstone mines, markets, and cutting centres while so...
28/05/2026

Tanzania next 🇹🇿💎

Heading back to Tanzania for six weeks to explore gemstone mines, markets, and cutting centres while sourcing incredible stones for clients.

Swipe left to see this garnet in its raw crystal form straight from the earth, then swipe again to see the incredible transformation after cutting and polishing. It’s always exciting seeing the hidden beauty locked inside these stones come to life.

If you’ve been thinking about buying a serious gemstone, now’s a great time to reach out.

Tanzania is home to some of the world’s most exciting gems, including:

💎 Tanzanite
💎 Sapphire
💎 Ruby
💎 Spinel
💎 Tsavorite Garnet
💎 Tourmaline
💎 Aquamarine

Whether you’re after a future heirloom, investment gem, custom jewellery stone, or expert guidance, I may be able to help while I’m on the ground.

I’ll also be sharing behind-the-scenes updates from the mines and markets throughout the trip.

Send me a message if you’d like to chat before I travel.

One to watch out for! Book launch on 25 June.
27/05/2026

One to watch out for! Book launch on 25 June.

✨ 🌍 Meet Pedro 🌍 ✨

This is Pedro.

Like so many children across Mozambique, he walks each day on soil filled with beauty, history, and extraordinary natural gifts.

One day, he finds a small red rock.

At first, it seems simple - but it begins to change the way he sees the world around him.

Mozambique is blessed with an incredible variety of gemstones and natural treasures. These resources have the potential to help support education, strengthen communities, create opportunity, and inspire pride in future generations.

But real transformation begins with knowledge.

Children should grow up understanding the value of the land beneath their feet, the importance of honesty and responsibility, and the role they can play in helping their communities grow and thrive.

Just as important is learning how to care for these environments responsibly - protecting the land, restoring mining areas carefully, and ensuring that natural resources are managed thoughtfully for the future.

We must also continue supporting miners and families - especially women, who so often carry communities through the hardest times with strength, sacrifice, and resilience.

When people are informed, included, and empowered, opportunities become more meaningful for everyone.

This story was written with that hope in mind.

📖 Pedro’s Precious Pião launches June 25, 2026.

📸 Photo by Yulia Tet / Pexels











Trust in source countries is built slowly, often over tea, no contracts.
27/05/2026

Trust in source countries is built slowly, often over tea, no contracts.

Address

London
E18

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 12pm

Telephone

+442089894886

Website

https://www.instagram.com/gemstone_detective/, https://www.gemstonedetective.com/blo

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