Natural Bluish Green Sapphire from Australia Heated 0.88ct 5.7mm Round Cut
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This Australian parti sapphire presents a rich, atmospheric teal-blue to blue-green color that is immediately distinctive and deeply characterful. The round cut concentrates the color into a strong, even face across the 5.7mm diameter, with the cool blue and green tones shifting expressively as the stone catches the light. The deep, moody color palette is the hallmark of quality Australian sapphires, and this stone wears it with confidence. Some natural inclusions lend it an authentic, grounded presence.
Australia is one of the world's most storied sapphire origins, producing gems with a distinctly deep, parti-colored character rarely found elsewhere. This stone has been heat treated to optimize its color, the standard and accepted practice for sapphire. At 0.88ct and 5.7mm round, it is an excellent size for a solitaire ring, pendant, or earring stud design that celebrates the teal character of Australian origin. A compelling alternative to classic blue sapphire for jewelry designers seeking something distinctive.
Natural sapphire, September 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
- 9
- Cleavage
- None
- Durability
- Excellent
- Soapy water
- Safe
- Ultrasonic
- Usually safe
- Steam
- Usually safe
About sapphire
Sapphire is corundum in every color except red. At 9 on the Mohs scale it is second only to diamond, and it is also very tough with no cleavage, so it rarely chips or splits when knocked. Together that makes it one of the most durable gemstones 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. Ultrasonic and steam cleaners are usually fine for a faceted sapphire, but skip them if the stone has fissures that reach the surface.
Wear and storage
Sapphire is very hard, so it can scratch softer gemstones stored with it. Only diamond can scratch it, so keep it apart from diamonds and store it on its own in a gem jar or a soft pouch.
For your jeweler
This sapphire is heated, and the color from heating is stable. Sapphire handles normal setting, re-tipping and polishing well. If the stone has fissures that reach the surface, keep it out of direct torch flame and acid pickle.
Scale
True to scale: 5.7 mm
Shown next to a €1 coin (23.25 mm) in the exact ratio, so you can picture the real size.