Klarna is a payment method which allows you to buy now and pay later and is available at checkout. Once you've placed your order using Klarna, you'll receive an email from them within 2 days with payment instructions, you will also receive your usual Astrid & Miyu confirmation email. You'll then have 30 days to complete the payment online.

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The Jewellery Care Bible

Your one-stop-shop for all things jewellery care related.

How to care, how to store, how to clean & how to keep your A&M jewels as cute as you

How to care for my jewellery?

Your jewellery should be the last thing you put on in the morning, and the first thing you take off at night. Think of your A&M jewels as the finishing touch to your look.

Team A&M are here to help with a few things you can do to give your jewellery some TLC...

Avoid perfumes & scented lotions – the chemicals in cosmetics these can tarnish your jewellery, so we recommend applying these before you start layering your jewels.

Steer clear of water – take off your pieces before showering & bathing, and take off your rings before washing your hands. Remember to remove jewellery before the pool, too.

Take off your jewellery before exercising – sweat can cause the jewellery to tarnish, so remember not to wear it to your hot yoga class...

How to store my jewellery?

A&M pieces are made to be treasured, so they deserve to have pride of place in your bedroom 👑

Here are our tips of how to keep your jewels in tip top condition...

When you're not wearing your pieces, we recommend storing your jewellery in the original packaging to keep it from tarnishing.

If you don't want to hoard all of your boxes, we have launched our Box Initiative - where you can bring in your old boxes into our stores, in return for £5 worth of loyalty points.

How to clean my jewellery?

To keep your jewellery shining, it's important to give it a little clean every now and again. Do this and your jewels will be good as new!

We recommend cleaning your jewellery very carefully using a soft & non-abrasive cloth to bring back the shine that may have been lost with wear. We don't recommend using any of the harsh chemicals you find in treated jewellery cloths, so stay away from those!

Our Materials

Sterling Silver/Silver 925

Sterling Silver or Silver 925 is an alloy of 92.5% pure silver and 7.5% copper. We plate our pieces in 14-18k Yellow Gold, 18k Rose Gold and Rhodium - or we leave it as pure Sterling Silver for its natural colour.

Plated Brass

Brass is the most commonly used base metal used by luxury fashion brands to produce their costume jewellery (think Chanel and Dior). We plate our pieces in 18k Yellow Gold, 18k Rose Gold and Rhodium.

Cubic Zirconia

Cubic Zirconia (which is sometimes listed as CZ) is one of the highest quality replica of natural diamonds, and sometimes clearer and brighter than natural diamonds!


We use cultured or farmed pearls that follow ethical guidelines. We’ve incorporated a fresh and trendy take on all our pearl designs, so enjoy!


Diamonds are one of the most durable and longest lasting natural substances found on earth, commonly used as a promise for eternal love. Our high quality diamonds are ethically sourced from our trusted & ethical suppliers.

Lab Grown Diamonds

CVD (Chemical Vapor Deposition) diamonds are man-made diamonds, created under controlled laboratory conditions. These synthetic diamonds have essentially the same chemical composition and crystal structure as mined-diamonds - they're also conflict free and sustainable!