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Diamond Jewellery

Diamonds are some of the most ancient and beautiful stones on earth. The name diamond is derived from the ancient Greek (adámas), meaning proper, unalterable, unbreakable, untamed. Diamonds are a common feature in the Clogau jewellery range and, partnered with our amazing range of traditional and contemporary designs, it allows us to create unique jewellery.

Highly recommended

Am Byth ring
One of Clogau's most remarkable pieces of jewellery to-date, the 18ct Am Byth ring has been recognised by influential voices in the fashion industry such as 'Vogue'.

More Diamond Jewellery > Diamond Rings | Diamond Pendants | Wedding Jewellery | Diamond earrings

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Cariad Earrings
£129

Eternal Love Earrings
£139

Eternity Diamond Ring *SALE*
£139 £97.30

Royal Crown Diamond Ring *SALE*
£229 £160.30

Tree of Life Diamond Locket
£290

Eternal Love Bangle
£199

Cariad Diamond Pendant *SALE*
£169 £118.30

Eternal Love Affinity Stacking Ring
£250

Cariad Pendant
£520

Eternal Love Earrings
£300

Eternal Love Diamond Heart Ring *SALE*
£169 £118.30

1854 Am Byth Diamond Ring
£2000

Tree of Life Cross Pendant
£119

Rose Stainless Steel Clogau Baroque Watch
£600

Stainless Steel Clogau Baroque Watch
£600

Serenade Pendant *SALE*
£650 £455

9ct White Gold Diamond Ring *SALE*
£350 £245

Tree of Life Locket
£149

Cariad Earrings
£380

Lovespoons Ring
£370

Croes Naid Pendant *SALE*
£440 £308

18ct gold Am Byth Ring
£3080

Tudor Rose Pink Opal Ring *SALE*
£2200 £1540

Lovespoons Pendant
£480

1854 Tree of Life Pendant
£1850

1854 18ct Tree of Life Trilogy Diamond Ring *SALE*
£2000 £1400

1854 Welsh Royalty Pendant
£1850

Tree of Life Tanzanite Ring *SALE*
£1000 £700

Lovespoons Earrings
£360

Timeless Love Wedding Ring
£750

Tree of Life Diamond Cufflinks
£260

Tree of Life Diamond Earrings
£370

Timeless Love Wedding Ring
£750

1854 Tree of Life Diamond Ring
£920

1854 18ct Welsh Royalty Trilogy Diamond Ring *SALE*
£2000 £1400

Royal Roses Diamond Ring *SALE*
£2040 £1428

Tree of Life Diamond Pendant
£480

Forever Fairytale Wedding Ring
£880

Timeless Love Wedding Ring
£1120

Past Present Future Wedding Ring
£760

1854 Tree of Life Diamond Stud Earrings
£650

Royal Crown Diamond Bangle *SALE*
£7700 £5390

Past Present Future Wedding Ring
£1290

Lyra Necklace *SALE*
£760 £532

Timeless Love Wedding Ring
£1610

Forever Fairytale Wedding Ring
£2140

Venus Diamond Pendant *SALE*
£850 £595

Past Present Future Wedding Ring
£760

Love Divine Wedding Ring
£1100

Past Present Future Wedding Ring
£760

Love Divine Wedding Ring
£1100

Timeless Love Wedding Ring
£750

Forever Fairytale Wedding Ring
£880

1854 Tree of Life Diamond Pendant
£1340

18ct gold Debutante Bangle *SALE*
£11000 £7700

18ct gold Tanzanite Royal Lily Ring *SALE*
£2000 £1400

Royal Crown Diamond Drop Earrings *SALE*
£2860 £2002

18ct gold Tree of Life Diamond Earrings *SALE*
£4950 £3465

Timeless Love Wedding Ring
£1120

Love Divine Wedding Ring
£1580

True Romance Wedding Ring
£1450

Forever Fairytale Wedding Ring
£1450

Love Divine Wedding Ring
£1580

Past Present Future Wedding Ring
£1290

Love Divine Wedding Ring
£1580

My True North Affinity Bead Bracelet 16-16.5cm
£109

Lyra Earrings *SALE*
£670 £469

Past Present Future Wedding Ring
£1910

True Romance Wedding Ring
£880

Forever Fairytale Wedding Ring
£880

True Romance Wedding Ring
£880

Love Divine Wedding Ring
£1100

Royal Crown Diamond Ring *SALE*
£1870 £1309

True Romance Wedding Ring
£1450

Forever Fairytale Wedding Ring
£1450

True Romance Wedding Ring
£1450

Forever Fairytale Wedding Ring
£1450

Tree of Life Tanzanite Earrings *SALE*
£750 £525

Tree of Life Tanzanite Pendant *SALE*
£1100 £770

Am Byth Ring
£430

My True North Affinity Bead Bracelet 17-18cm
£109

Heart Affinity Stacking Ring *SALE*
£129 £90.30

Eternal Love Earrings
£139

Eternal Love Diamond Bracelet *SALE*
£310 £217

Eternal Love Pendant
£139

Eternal Love Diamond Heart Ring *SALE*
£139 £97.30

Cariad Inner Charm Pendant
£169

Lady Snowdon Stud Earrings
£159

Lady Snowdon Pendant
£159

Lady Snowdon Ring
£149

Tree of Life One Diamond Earrings *SALE*
£179 £125.30

Tree of Life One Diamond Ring *SALE*
£129 £90.30

Clogau Gold 10pt Engagement Ring *SALE*
£650 £455

Eternal Love Earrings
£310

Eternal Love Pendant
£600

Serenade Earrings *SALE*
£470 £329

Serenade Ring *SALE*
£520 £364

Lovespoons Ring
£390

Lyra Ring *SALE*
£470 £329

Past Present Future Earrings
£390

Past Present Future Pendant
£560

Past Present Future Diamond Ring
£380

True Romance Wedding Ring
£2140

Love Divine Wedding Ring
£2170

Cariad Pendant
£239

Tree of Life Diamond Stacking Ring
£290

About our Diamond Jewellery

Diamond jewellery has long held a status as one of the most highly sought-after forms of jewellery available and has had an iconic and fond place in the heart of many jewellery aficionados. At Clogau we have developed a selection of diamond pieces ranging from exquisitely beautiful pendants, to stunningly intricate filigree rings, to dainty and delicate earrings.

Our designers are extremely passionate about incorporating diamonds into our jewellery and are constantly inspired to create new pieces for our customers.

We use two diamond cuts; the round or "brilliant" cut, which resembles a cone shape to give the wearer maximized light return through the top; or the more modern princess cut, which is square-shaped has a profile similar to that of an inverted pyramid with four beveled sides.

What makes our selection of diamond jewellery even more stunning is the inclusion of rare Welsh gold in each piece. Welsh gold has for generations been used to provide wedding rings for the Royal family. The historic royal link as well as its scarcity has made Welsh gold some of the most valuable and sought-after in the world, at Clogau we’re proud to include it in every item we offer.