Natural Blue Aquamarine 12.99ct Round Cut
€36.00 EURSKU: aq181
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A natural aquamarine from Africa, 12.99ct, in a round cut measuring 17.8mm across and 6.5mm deep. The stone shows a clean, pale sky blue, clear and even in tone, with the cool freshness that aquamarine is valued for. The broad, shallow proportions spread the color generously across the large round face, and the stone is transparent with SI-grade natural inclusions.
At nearly 18mm diameter this is a statement-sized stone, well suited to a large bezel pendant, a bold ring focal, or a bespoke centerpiece where sheer size in genuine aquamarine is the goal. African aquamarine at this scale is not common, and this untreated stone offers that dimension at an accessible price.
Natural aquamarine, March birthstone, sold loose.
We ship worldwide from Sofia, Bulgaria. Every order is packed in a protective box with bubble wrap. Orders within Bulgaria are dispatched within 1-2 business days and international orders within 2-3 business days. Free shipping is applied automatically at checkout, and the threshold applies to the order value after any discounts.
Delivery within Bulgaria
- Delivered by Speedy, Econt or Box Now, to a courier office, a locker or your address.
- Fixed prices: Box Now locker €1.60 (free on orders from €25), Speedy office €3.20, Econt office or locker €4.00, Speedy to your address €4.50.
- Free shipping on orders over €50, with any courier and at any weight.
- Cash on delivery is available.
- Delivery normally takes 1-2 business days after dispatch.
- Hardness
- 7.5-8
- Cleavage
- Poor
- Durability
- Good
- Soapy water
- Safe
- Ultrasonic
- Usually safe
- Steam
- Avoid
About aquamarine
Aquamarine is the blue to blue-green variety of beryl. At 7.5 to 8 on the Mohs scale with only poor cleavage, it is a good stone for everyday wear, rings included.
Cleaning
Warm water, a drop of mild dish soap and a soft toothbrush are all you need. Brush behind the stone too, where dust and skin oils collect, then rinse and dry with a soft cloth. An ultrasonic cleaner is usually fine for a clean faceted aquamarine, but skip steam: sudden temperature changes can crack it.
Wear and storage
Aquamarine is hard enough for everyday wear, and it can scratch softer gemstones stored with it. Harder stones such as topaz, sapphire, ruby and diamond can scratch it, so store it on its own in a gem jar or a soft pouch.
For your jeweler
This aquamarine is untreated. Aquamarine takes normal setting well, but keep it out of direct torch flame: sudden heat can crack it or change its color.
Scale
True to scale: 17.8 × 6.5 mm
Shown next to a €1 coin (23.25 mm) in the exact ratio, so you can picture the real size.
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