Jewellery Studio - Roger Williams

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Jewellery Studio - Roger Williams Diamond Specialist Cardiff As well as our bespoke service, we have lots of original pieces designed by our team, which are ready to purchase.

Specialising in bespoke design, Thomas Williams and his knowledgeable team are ready to help you in creating the perfect piece, either from scratch or by utilising your existing jewellery to imagine new pieces. We also offer a repair and valuation service and would be happy to advise you on any queries you may have. We look forward to welcoming you,
The Jewellery Studio

21/10/2026

Custom cognac diamond pendant ✨

Featuring a special hexagonal cognac diamond in the centre of a bespoke 9k yellow gold star pendant with millgrain detailing ✨

Dancing on a Albert swivel clasp that runs freely on a belcher chain ⛓️‍💥

Cognac diamond • custom jewellery • ch*****ne diamond • bespoke jewellery • Cardiff Jewellery

Elongated cushion cut diamond • curve band • half bezel • platinum ✨A twist (literally) on a solitaire engagement ring 💍...
15/10/2026

Elongated cushion cut diamond • curve band • half bezel • platinum ✨

A twist (literally) on a solitaire engagement ring 💍

We love an elongated cushion ~ hard to source due to the rarity of cut, its particularly popular at the moment thanks to the gorgeous spread and limitless life and sparkle ✨

The curved band hugs the stone while the half bezel lets lots of light reach the diamond 💎

Custom engagement ring - elongated cushion cut diamond - ooak ring - engagement ring inspo - Cardiff jewellery

A big congratulations to our dear friends Zac and Meg 💚We worked with Zac to design this one of a kind engagement ring ~...
14/10/2026

A big congratulations to our dear friends Zac and Meg 💚

We worked with Zac to design this one of a kind engagement ring ~ sourcing this incredibly special cushion cut green tourmaline and building the ring around it 💍

Featuring a bespoke basket that shows off the depth and colour of the tourmaline, two RBC diamonds and a rope twist in the shoulders ✨

OOAK engagement ring - engagement ring inspo - proposal story - tourmaline engagement ring - custom engagement ring

Custom sapphire and diamond bubble ring 🫧💍Featuring three cornflower blue princess cut sapphires and three RBC diamonds ...
12/10/2026

Custom sapphire and diamond bubble ring 🫧💍

Featuring three cornflower blue princess cut sapphires and three RBC diamonds all bezelled in luxurious 18k yellow gold ✨

Inspired by an archived design of ours and made to order to suit our customers tastes 💘

We cannot get over those gorgeous blue hues 💙

sapphire and diamond ring - custom ring design - OOAK ring - bubble ring - Cardiff jewellery - bespoke jewellery

The Nerissa Ring ~ ‘of the sea’ 🌊🩵Available online and in the studio now ✨Featuring an exceptional lab grown oval cut bl...
03/10/2026

The Nerissa Ring ~ ‘of the sea’ 🌊🩵

Available online and in the studio now ✨

Featuring an exceptional lab grown oval cut blue diamond as its centre stone that glimmers with pale, icy azure tones ❄️💧

A carefully crafted bespoke petal basket to let lots of light hit the diamonds 💎

✨✨ just look at that sparkle ✨✨

Paired perfectly with a halo of unique diamonds ~ four cerulean RBC diamonds, four white marquise diamonds and two princess cut diamonds (all natural) 💍🩵

A special message from Tom and Louise ~ we’re thrilled to introduce you to our newest family member, Toby Williams born ...
27/09/2026

A special message from Tom and Louise ~ we’re thrilled to introduce you to our newest family member, Toby Williams born 18.09.2026 🦶🤍

We’re very much enjoying our baby bubble currently but equally excited to take Toby out and about and of course have regular trips to the studio 🥰

Pear cut tourmalines and sweeping golden curves ~ designed to work in harmony with our customers tourmaline engagement r...
11/09/2026

Pear cut tourmalines and sweeping golden curves ~ designed to work in harmony with our customers tourmaline engagement ring 💚

We worked through a series of designs with our customer until settling on the perfect balance of gold detailing and sparkle from the grain set diamonds ✨ with the tourmalines carefully hand selected to match the engagement ring 💍

10/09/2026

The Orla Ring ✨💛

A one of a kind creation celebrating the warm hues of its centre yellow diamond with a bordering of orange, yellow, ch*****ne and white diamonds that truly bring the ring to life 🌞

Featuring all natural diamonds with a decorative millgrained split shank ~ this beauty is named Orla stemming from the traditional Irish name meaning Golden Princess ✨

We think it suits her perfectly 💛

Available now for one lucky person ✨

29/08/2026

Win a bespoke 9k gold ring valued up to £1,400! 💍

We’ve hand selected the gemstones ~ the winner works with us to choose a design ✨

We’ll design and make the lucky winner a 9k gold ring up to the value of £1,400 tailored to your unique taste 🥰

Choose either our forest selection or sunset selection 🌲🌿 🌞🌅

To enter:

1. Follow The Jewellery Studio (we’ll be checking)
2. Like this post and tag your friends (1 comment = 1 entry so tag as many friends as you want)
3. Share this post on your Instagram story

The winner will be announced 27th September at 12pm.
Good luck everybody! 💘

22/08/2026

Secret details are on the up this year 💚

Intricate ways to make your engagement ring entirely yours ~ whether that’s with a hidden gemstone, engraving or personalised basket 💍

What detail would you choose to make your engagement ring one of a kind? 🥰

Address

237 Cathedral Road
Cardiff
CF119PP

Opening Hours

Tuesday 10am - 5:30pm
Wednesday 10am - 5:30pm
Thursday 10am - 5:30pm
Friday 10am - 5:30pm
Saturday 9:30am - 5pm

Telephone

+442920221144

Website

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