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Natural Blue Sapphire 0.87ct Untreated Oval Cut
€31.00 EURSKU: sa683
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This oval-cut blue sapphire from Madagascar presents a cool, understated steel-blue hue with a gentle silvery quality that gives the stone a quiet, sophisticated elegance. The color is a soft, slightly muted blue, allowing the stone's natural translucency and subtle internal character to complement its tone. The oval cut maximizes the available carat weight while offering versatile proportions at 7.2x5mm.
Originating from Madagascar and entirely untreated, this sapphire has received no heat enhancement, a quality increasingly sought after by collectors and jewelers who prize authentic, unmodified stones. Its understated blue makes it a refined alternative to heavily saturated sapphires, pairing beautifully in white gold or silver settings where its cool gray-blue tones can shine. Well-suited for rings, pendants, or earrings where natural subtlety and authenticity are the design intent.
Natural blue 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 untreated. 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: 7.2 × 5 mm
Shown next to a €1 coin (23.25 mm) in the exact ratio, so you can picture the real size.
