Natural Blue Sapphire 0.51ct Heated Oval Cut #2
€11.20 EURSKU: sa333-5
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This 5x4mm oval blue sapphire from Madagascar is a study in dramatic darkness, presenting a very deep, near-black navy tone that dominates the stone from edge to edge, with vivid deep-blue flashes breaking through when light hits the facets. The intense saturation gives this stone a moody, compelling character that makes a bold statement for its size. Natural inclusions at SI clarity are part of its authentic, earth-grown character.
For those who love their sapphires dark and intense, this Madagascar stone delivers exactly that. It has been heat treated to enhance its deep blue color. At 0.51ct and 5x4mm, this dark oval makes a striking center stone for a bold ring or pendant, and a dramatic, memorable addition to any fine jewelry design.
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 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 × 4 mm
Shown next to a €1 coin (23.25 mm) in the exact ratio, so you can picture the real size.
