The most precise method is visiting a jeweler for professional sizing. You can also do it at home: measure a well-fitting ring (inner diameter in mm) or wrap a narrow strip of paper around your finger and compare the length to a ring size chart.

Recommendation: measure in the evening – that's when your finger is at its largest.

At CYO, we guide you through the entire process to ensure a perfect fit.

The choice depends on how and how often you want to wear your jewelry:

24K Gold
99.9% pure gold with a rich, intense hue. Very soft, therefore more suitable for special occasions and collector's items.

18K Gold
75% gold. The ideal balance of purity and durability. Our recommendation for fine jewelry worn daily.

14K Gold
58.5% gold. Especially robust and scratch-resistant – the best choice for active wearers and everyday jewelry.

For most, 18K is the best combination of beauty and durability — 14K is the smartest choice for everyday jewelry.

Gold is naturally water resistant. Nevertheless, we recommend avoiding frequent contact with soap, chlorine, and lotions – these can affect the metal's shine over time. Regular care will preserve the brilliance of your piece permanently.

The hallmark 925 stands for sterling silver – 92.5% pure silver, supplemented by other metals for added stability. A durable and elegant alternative to solid gold.

Clarity describes the natural inclusions within a diamond. The fewer there are, the clearer – and more valuable – the stone. At CYO, we offer different grades:

VS – GH
Exceptional clarity, minimal inclusions. For the highest demands.

SI – GH
Beautiful brilliance, small inclusions usually only visible under magnification. Balanced ratio of quality and value.

I1/I2 – IJ
Inclusions may be visible. Accessible entry into real diamond jewelry with natural beauty.