Sapphire

Item Number: 2020-0427

In stock

€30,500.00

incl. 20% VAT

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Details

Weight:

9,141 ct.

Color Quality:

Medium (VI)

Purity:

C

Color:

blue

Shape:

Antique oval

Dimensions:

12,71 mm x 9,42 mm x 7,59 mm

Origin:

Sri Lanka

Treatment:

Untreated

Certificate:

GLA50920-3 GÜB

Item Number:

2020-0427

Facts

properties of sapphire

Belongs mineralogically to corundum
Hardness grade 9
Chemical formula: Al2O3
Includes all colors except red, red corundum is called "ruby
Coloration generally by metal oxides (e.g. blue: titanium oxide)
High density of 3.9 - 4.1

origin

Kaschmir
Burma
Thailand
Kambodscha
Sri Lanka
Madagaskar
Äthiopien
Pakistan

worth knowing

Oldest known locality: Burma
The legendary place of discovery: "Kashmir"
Assigned to the planet Saturn
Besides blue, pink sapphire is especially sought after: "hot pink".
The most recently discovered localities are Madagascar and Ethiopia

investment in sapphire

second most suitable of all gemstones for investment
less rare than ruby but also strongly increasing in value
Stones should have at least 1 ct weight, better from 3 ct.
larger stones have higher increase in value
Experts reckon with 6% increase in value per year
beautiful sparkling sapphires are preferable

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