Natural Big Aquamarine 19.67Ct Oval Cut
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A natural aquamarine from Brazil, 19.67ct, in an oval cut measuring 21.1x19.5mm. This near-round oval shows a medium blue with a green-teal modifier, a natural, unheated aqua with good depth of color for material at this clarity level. Natural inclusions are distributed throughout the body, consistent with SI clarity in a large, untreated stone of this weight.
Nearly 20mm across and approaching 20ct, this is a substantial aquamarine in any context, priced for those who want real size and genuine untreated color without a collector's premium. Brazil is among the world's top producers of aquamarine rough, and large faceted stones from this origin retain that characteristic teal-blue warmth in natural form.
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: 21.1 × 19.5 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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