Before you buy this 10.50 carat yellow agate, it helps to have the facts in one place. Here is what to know and what to check when it reaches you.

• Weight is 10.5 carats, priced at Rs. 2,250, or about Rs. 214 per carat.
• Hardness is 6.5 to 7 on the Mohs scale, comfortable for a ring if you avoid knocks.
• Yellow agate is often dyed, so ask us on WhatsApp what we know about this piece.
• When the parcel arrives, tilt the stone in daylight and look for even colour with no chips along the edge.
• Check that what you hold matches the photographs and the reference GS-YE-0009.

Because delivery is Cash on Delivery, you can open the parcel and inspect the stone before paying, and the seven-day return window gives you time to be sure. If you are weighing it against other sizes, browse the whole yellow agate range; independent lab testing can also be arranged on request. A stone of this weight is a comfortable middle size, good for a ring with a simple silver bezel or a pendant that does not tug on the chain.

Before you choose, read our yellow agate guide.

This particular stone

This listing is one natural yellow agate with a weight of 10.5 Carat. Its price is Rs. 2,250 — roughly Rs. 214 for each carat. Treatment: treatment not tested. Quote reference GS-YE-0009 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.

From six carats up a stone becomes the centre of attention. It wants a broader shank or a secure claw setting and suits an occasion ring, a signet or a centre pendant. Clean natural material of this size turns up far less often, and the per-carat rate reflects that.

On the Mohs scale yellow agate rates 6.5 to 7. That is middle-of-the-road hardness: comfortable in pendants and earrings, and in rings worn with some care. Store it apart from harder stones so it does not pick up scratches, and wipe it with a damp cloth rather than scrubbing.

Whoever you buy yellow agate 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 yellow agate 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): Yellow agate is often dyed. 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.