At KJewellery, we believe jewellery should be as unique as the person who wears it - Jewellery that carries meaning. Designed with you, for you.

Handmade with Passion

Each piece is handcrafted with care, precision, and a deep love for the craft.

Over 30 Years of Craftsmanship

Jewellery has been my passion for 30+ years, shaped by my journey from Poland, through Asia, to Ireland.

Made Just for You

I design with intention – bringing your ideas to life through meaningful, personal pieces.

Only the Best Materials

I use only trusted, high-quality metals and stones – chosen for their beauty and integrity.

Best Selling

Most-loved. Most-wanted.
SILVER RING - GOLD PLATED - WITH NATURAL CITRINE STONE - kosznikjewellery
SILVER RING - GOLD PLATED - WITH NATURAL CITRINE STONE - kosznikjewellery
Gold Custom Ring
Regular price €225,00
STERLING SILVER MATT FINISH HEART NECKLACE - kosznikjewellery
STERLING SILVER MATT FINISH HEART NECKLACE - kosznikjewellery
Gold Custom Necklaces
Regular price €69,00
SILVER AND 9CT.GOLD GARNET EARRINGS - kosznikjewellery
Gold Custom Earrings
Regular price €249,00
SILVER BRACELETS - GOLD PLATED- WITH CUBIC ZIRCONIA STONE - kosznikjewellery
Gold Custom Bracelet
Regular price €69,00
SILVER GOLD PLATED RING WITH NATURAL AMETHYST STONE - kosznikjewellery
SILVER GOLD PLATED RING WITH NATURAL AMETHYST STONE - kosznikjewellery
Silver Custom Ring
Regular price €189,00

My Story

Behind every brand is a heartbeat. Let me share mine with you.

My name is Marcin, and I am the owner of the KJewellery brand. For over 30 years, I have been crafting jewellery – it's not just my profession, but above all, a passion that has accompanied me throughout most of my life.

Read My Story

Recommended for You

Jewels we think you'll love.
SILVER RING - GOLD PLATED - WITH NATURAL GARNET STONE - kosznikjewellery
SILVER RING - GOLD PLATED - WITH NATURAL GARNET STONE - kosznikjewellery
INFINITY BLACK RHODIUM GARNET RING
Regular price €55,00
SILVER RING - GOLD PLATED - WITH NATURAL GARNET STONE - kosznikjewellery
SILVER RING - GOLD PLATED - WITH NATURAL GARNET STONE - kosznikjewellery
INFINITY SILVER RHODIUM GARNET RING
Regular price €55,00
SILVER RING - GOLD PLATED - WITH NATURAL GARNET STONE - kosznikjewellery
SILVER RING - GOLD PLATED - WITH NATURAL GARNET STONE - kosznikjewellery
INFINITY GOLD PLATED GARNET RING
Regular price €55,00
SILVER BLACK AND GOLD PLATED GARNET RING - Kjewellery
SILVER BLACK AND GOLD PLATED GARNET RING
Regular price €189,00
SILVER RING - BLACK RHODIUM - WITH NATURAL GARNET AND CITRINE STONES - kosznikjewellery
SILVER RING - BLACK RHODIUM - WITH NATURAL GARNET AND CITRINE STONES - kosznikjewellery
SILVER BLACK RHODIUM GARNET AND CITRINE RING
Regular price €225,00

Custom Jewellery

Behind every piece of custom jewellery is a story waiting to be told. Yours.

At KJewellery, we believe that jewellery should be more than just beautiful — it should mean something. Whether it’s an engraved date, a whispered name, or a stone that marks a moment in time, we craft each custom piece with care, purpose, and heart.

Discover Custom Jewellery

Instagram

Let each jewel whisper its story — inspire and be inspired, from one timeless sparkle to another.

Instagram shop
Instagram shop
Instagram shop
Instagram shop
Instagram shop
Instagram shop