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Ring Size Guide

Measure in the evening when fingers are at their largest. Wrap a thin strip of paper around the base of your finger, mark where it overlaps and measure the length in mm. Divide by 3.14 to get the diameter.

USUKEUDiameter mmCircumference mm
5J4915.749.3
5.5K5116.150.6
6L5216.551.9
6.5M5316.953.1
7N5417.354.4
7.5O5617.755.7
8P5718.257.2
8.5Q5818.658.5
9R5919.059.7
9.5S6119.461.0
10T6219.862.2
11V6420.664.8
12X6721.467.3

For wide band rings go half a size up. Not sure? Contact our Dublin team and we will help you find the perfect fit.

Chain Length Guide

All Celtic cross necklaces include a free 18 inch sterling silver cable chain. You can upgrade to a longer or heavier chain on the product page.

LengthWhere it sitsBest for
16 inchBase of neckSmall pendants, shorter necks
18 inch (free)Just below collarboneMost popular - suits all sizes
20 inchA few inches below collarboneLarger crosses, men's pieces
22 inchMid chestStatement crosses, men's necklaces
24 inchLower chestLonger relaxed look, taller wearers

Tip: lay a tape measure on your chest to see how each length will look before ordering.

Irish Assay Office Hallmark

Irish Assay Office Hallmark

Silver Connemara Marble and Marcasite Shamrock Necklace

★★★★★ See all reviews
€112,50
choose chain length: 18" Chain
18" Chain
20" Chain
22" Chain
24" Chain
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Hallmarked in Dublin
Certified by the Irish Assay Office at Dublin Castle since 1637
Free Shipping
All duties and tariffs included
45-Day Returns
Hassle-free returns
Est. 1996
Nearly 30 years crafting authentic Irish jewellery in Dublin
  • Metal: Irish sterling silver
  • Stone: Genuine Connemara marble
  • Detail: Marcasite stones
  • Design: Marcasite Shamrock pendant
  • Made in Ireland
  • Hallmarked at the Irish Assay Office, Dublin Castle
  • Height: 20 mm (0.79 inches)
  • Width: 18 mm (0.71 inches)
  • Fitted with an 18 inch sterling silver chain

The shamrock has long been recognised as a symbol of Ireland and is closely connected to the story of St. Patrick and the teaching of the Holy Trinity. Over the centuries it has become one of the most enduring emblems of Irish identity and heritage.

At the centre of this necklace sits genuine Connemara marble, a rare green stone found only in the west of Ireland. Often referred to as Ireland’s native gemstone, Connemara marble carries natural variations in colour and pattern, meaning each piece is unique.

The surrounding marcasite stones add subtle detail and texture to the shamrock leaves while allowing the natural beauty of the marble to remain the focus. Crafted in Ireland and hallmarked at the Irish Assay Office in Dublin Castle, the pendant carries the official Irish guarantee of silver purity and origin.

Why You’ll Love It

  • Genuine Connemara marble from Ireland
  • Crafted in Irish sterling silver
  • Hallmarked in Dublin Castle
  • Marcasite detailing adds subtle sparkle
  • A meaningful piece of Irish heritage jewellery
Materials information coming soon.
Every piece in our collection is hallmarked by the Irish Assay Office at Dublin Castle.

All duties and tariffs included. Standard delivery 10-12 working days.
45-day hassle-free returns on all non-personalised items.
Have a question? Contact our Dublin team via WhatsApp or phone.

Need help with this piece?

Contact our team in Dublin, Ireland.

Customer Reviews

Silver Connemara Marble and Marcasite Shamrock Necklace €112,50