Wondering whether a 30-carat aquamarine will look too much on the hand? For most people it will not; it reads as a broad, cool-blue stone, best in a bold ring or pendant, and its hardness lets it cope with real use.

Facts on this beruj

Natural aquamarine, 30.35 carats, noted as sea blue, listed at Rs. 25,130, which is about Rs. 828 per carat. Heat treatment is common in aquamarine, because it shifts green overtones towards blue. If you want to know what applies to this stone, write to us on WhatsApp +92 308 887 3888 quoting GS-000285, and independent lab testing is available on request.

Using and keeping it

Aquamarine measures 7.5 to 8 on the Mohs scale, tough enough for a ring that is worn often, provided you avoid hard knocks on the corners of the mount. Clean it with lukewarm water, mild soap and a soft brush. Store it apart from diamonds, sapphires and rubies, which are harder. Compare other sizes in the aquamarine category.

Cash on Delivery is available across Pakistan, so you inspect the stone before paying, and returns are accepted within 7 days of delivery. Before you choose, read our aquamarine guide.

This particular stone

This listing is one natural aquamarine, known in Urdu as Beruj, with a weight of 30.35 Carat. Its price is Rs. 25,130 — roughly Rs. 828 for each carat. Treatment: treatment not tested. Quote reference GS-000285 when you message us about it. The photographs show this exact stone, so what arrives at your door is the piece you chose on screen.

Above twelve carats you are into collector territory. Pieces this heavy are usually set as pendants or kept loose, and they are prized for the size of rough they came from. If you do set it, choose a bezel or a heavy claw to protect the edges.

On the Mohs scale aquamarine rates 7.5 to 8. It handles daily wear, but a hard knock can still nick an exposed corner, so a protective setting is a sensible choice. Clean it with warm soapy water and a soft brush, and keep it away from abrasive cleaners and high heat.

Whoever you buy aquamarine from, make sure of three things: the stone is natural rather than lab-grown, glass or glass-filled; any treatment is stated in writing; and the weight quoted is the weight of the finished stone. We check every aquamarine for those three points before it is listed, a certificate is available on request, and because you pay on delivery you can look at the stone — or have it tested — before any money changes hands.

We sell natural stones only and inspect each one before it is listed. Treatment for this stone: Treatment not tested. Certificate available on request. As general background (not a statement about this stone): Aquamarine is commonly heated to remove green tones and leave a purer blue. Ask us on WhatsApp and we will tell you what we know about this exact stone; independent lab testing is available on request.

A certificate of authenticity is available on request for this stone, and independent laboratory testing can be arranged. Because you pay on delivery, you can also take the stone to a lab of your choice within the 7-day return window. Read more on our authenticity page.