Just Gems sells high-quality, certified diamonds & coloured gemstones, set in fine jewellery. We also offer a selection of rare & unusual natural gemstones which appeal to a discerning clientele.
Just Gems is owned and run by Helen Plumb, a gemmologist of international reputation, who is keen to share her knowledge & enthusiasm for gemmology with those interested in learning more at events. Just Gems has been serving the Cotswolds since 2017 and has become a favourite visitor destination in the idyllic town of Winchcombe.
Large Sapphire & Diamond Ring
11.47ct cushion cut Sri Lankan sapphire set with 1.13ct triangular diamond pair, diamonds G colour VS1 & SI1 clarity, in 18ct white gold. POA
Ruby & Diamond Ring
3.03ct ruby from Mozambique (independently certified to be unheated) set with a 1.00ct pair of heart cut diamonds (GIA certified D & E colour SI1 clarity), in 18ct rose gold and platinum. POA
Just Gems sells high-quality, certified diamonds & coloured gemstones, set in fine jewellery. We also offer a selection of rare & unusual natural gemstones which appeal to a discerning clientele.
Just Gems is owned and run by Helen Plumb, a gemmologist of international reputation, who is keen to share her knowledge & enthusiasm for gemmology with those interested in learning more at events. Just Gems has been serving the Cotswolds since 2017 and has become a favourite visitor destination in the idyllic town of Winchcombe.
Spectacular Boulder Opal
Just Gems sells high-quality, certified diamonds & coloured gemstones, set in fine jewellery. We also offer a selection of rare & unusual natural gemstones which appeal to a discerning clientele.
Just Gems is owned and run by Helen Plumb, a gemmologist of international reputation, who is keen to share her knowledge & enthusiasm for gemmology with those interested in learning more at events. Just Gems has been serving the Cotswolds since 2017 and has become a favourite visitor destination in the idyllic town of Winchcombe.
Boulder Opal Stud Earrings in Yellow Gold
Kunzite & Ethiopian Opal Pendant
8.78ct pear cut kunzite, set with 1.42ct pear cut cabochon Ethiopian opal, in 18ct white gold, suspended from 16” 18ct white gold anaconda chain
Paraiba Tourmaline & Diamond Ring in Platinum
4.02ct Oval cut Paraiba type, cuprian elbaite tourmaline set with 0.51ct E colour VS clarity diamonds in platinum
Our Latest News
Friday 31st December
We are closed on New Years Eve and New Years Day. We reopen on Tuesday 3rd January at 10am. We wish all our customers a very peaceful and happy 2022.
Upcoming Events
Thursday 4th November ~ 10:00am
If you are planning making a trip to the Winchcombe shop to see Helen, please call 07732 835704 to make an appointment. Helen has a large number of speaking engagements, plus she frequently travels to purchase stock and meet clients. If you wish to discuss a commission, remodelling work or gemstone identification, you need to speak to Helen and in order for you to receive the expert help you need, it is recommended that you have an appointment ahead of your journey to the shop.
Featured Jewellery
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The Just Gems Shop
27 North Street, Winchcombe, Gloucestershire
The shop has a wide selection of carefully sourced unmounted gems. If you would like to choose a loose gem in any size, shade or cut, we have a large number of suitable stones just waiting for you! Our gems are collected from personal contacts of Helen Plumb, relationships she has developed over more than twenty years of working with the international gemmological trade. Wherever possible, our stones are ethically sourced and many come from known mines in Brazil, Afghanistan, East Africa, Sri Lanka and elsewhere.
We also love pearls at Just Gems, and offer a matching service to make up earrings, bracelets, pendants or necklaces that will enhance your own pearl jewellery. We restring pearls in our workshop and can replace or repair damaged clasps. Please note that we only mount natural gemstones and restring real pearls (cultured or natural) and gemstones. We do not work with simulants.
See Opening Times and DirectionsFrom our customers…
“Mrs M writes…
Just thought I would congratulate you on your wonderful talk tonight. Everyone I spoke to enjoyed it and I thought there was a real “buzz” in the atmosphere when you finished… everyone chatting about something you drew their attention to. Fabulous, a real triumph!!
“Mrs T writes…
When two of my friends (who don’t know each other, but do know that I love beautiful jewellery and gemstones) both recommended that I visit gemmologist Helen Plumb at her shop Just Gems in the Cotswolds town of Winchcombe, I was intrigued…
And what a treat was in store! Helen is an amazing lady, hugely knowledgeable and totally passionate about precious and semi-precious stones and how to use them to create items of jewellery that are individual and different, yet eminently wearable.
My first brief visit turned into a regular outing (there is always something new to see) and I am now the proud owner of a number of pieces which I just love, and which draw admiring glances whenever I wear them. And during lockdown, I have kept myself consoled by browsing the treasures on the Just Gems website.
When it’s possible to visit in person again, Winchcombe is a very pleasant town well worth a day out with some interesting local attractions to enjoy - if you can drag yourself away from Helen and her gems, that is!
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