1.45 carat Pear gem stone | GemTrove diamonds

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1.45 Carat Blue sapphire
SKU : GPE 999BS10024

CARAT1.45

Gem StoneBlue sapphire

ClarityVS

ShapePear

Length7.25

Width6.00

Height4.02

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Price include duty/tax  

SKU : GPE 999BS10024

EARLIEST SHIP DATE SET IN A RING : Wed, Nov 27

This Pear shaped 1.45 Carat Blue Sapphire

Printed : 04-Jul-2017 | price : AUD 1,114 | Stock No : PE 999BS10024

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1.45 Carat Blue sapphire
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Gemstone Properties

PROPERTIES

SHAPE   PEAR
COLOUR  
The colour-grading Scale detirmined bt the GIA begins with D (Colourless) and contunuies till Z (light Yellow).
Blue
CLARITY  
Clarity describes the size and number of inclusions in a diamond; all the clarity grades are determined by the appearance of inclusions to an experienced grader when viewed from above at 10x magnification.
VS
Crystal System Trigonal
Density 4.00
Hardness 9.00
Refractive Index 1.762-1.770
Treatments Heated and/or infused, fracture filling to improve colour and clarity.,
ICA Code N
Incidence N
Family Corundum
Varieties N
Colour Every color except for RED (than it's a ruby!)
Clarity Transparent to Opaque; Type II
Optic Character DR Uniaxial Negative
Cause of Colour Blue: Ti, Fe
Fracture Concoidal
Special Care N
Luster Vitreous
Cleavage None
Durability Excellent, No limitations with wear,
UV Fluorescence Violet and Colr Change::Inert to Moderate to Strong Red Pink: Strong Orange-res Blue: Inert to Strong Red; dependent on Fe content Green:Inert Yellow: Inert to moderate orange, red or yellow Orange: usually inert Orangey Pink: May be strong orange-red.
Characteristics for Identification Silk (rutile or boehmite), zircon crystals (sometimes with halos), hexagonal growth lines. fingerprint inclusions, hexagonal growth lines, color zoning
Localities Madagascar is the major source currently. Sri Lanka, Thailand, Burma and East Africa
Chemical Al2O3 (Aluminum Oxide): Corundum
Misnomers N
Including N
Confused with Chrysoberyl Garnet Spinel (Natural and Synthetic)
Web Ref 1 N
Web Ref 2 N
Extra N
Synthetic N
Imitations N

PROPERTIES

SHAPE   PEAR COLOUR  
The colour-grading Scale detirmined bt the GIA begins with D (Colourless) and contunuies till Z (light Yellow).
Blue CLARITY  
Clarity describes the size and number of inclusions in a diamond; all the clarity grades are determined by the appearance of inclusions to an experienced grader when viewed from above at 10x magnification.
VS
Crystal System Trigonal Density 4.00 Hardness 9.00
Refractive Index 1.762-1.770 Treatments Heated and/or infused, fracture filling to improve colour and clarity., ICA Code N
Incidence N Family Corundum Varieties N
Colour Every color except for RED (than it's a ruby!) Clarity Transparent to Opaque; Type II Optic Character DR Uniaxial Negative
Cause of Colour Blue: Ti, Fe Fracture Concoidal Special Care N
Luster Vitreous Cleavage None Durability Excellent, No limitations with wear,
UV Fluorescence Violet and Colr Change::Inert to Moderate to Strong Red Pink: Strong Orange-res Blue: Inert to Strong Red; dependent on Fe content Green:Inert Yellow: Inert to moderate orange, red or yellow Orange: usually inert Orangey Pink: May be strong orange-red. Characteristics for Identification Silk (rutile or boehmite), zircon crystals (sometimes with halos), hexagonal growth lines. fingerprint inclusions, hexagonal growth lines, color zoning Localities Madagascar is the major source currently. Sri Lanka, Thailand, Burma and East Africa
Chemical Al2O3 (Aluminum Oxide): Corundum Misnomers N Including N
Confused with Chrysoberyl Garnet Spinel (Natural and Synthetic) Web Ref 1 N Web Ref 2 N
Extra N Synthetic N Imitations N

CENTER STONE INFORMATION

Sapphire is an aluminum oxide, occurring in every color of the rainbow. When it is red, it is termed ruby. It is a stone of great hardness and durability. It can also have phenomenal characteristics like asterism (star sapphire) and color changing (like alexandrite). The color changing varieties are some of my favorites, having the ability to change color depending on whether they are viewed in daylight or incandescent light. The history of the sapphire dates back to at least the 7th Century BC, when they were used by the Etruscans. The sapphires used by the Etruscans, Greeks and Romans were imported from India and what is now Sri Lanka. Sapphires were reputed to protect kings from harm and envy. In the 13th Century, it was written that sapphires had the power to protect against poverty, make a stupid man wise and an irritable man good-tempered

Notes

The ancient Persians believed the earth rests on a giant sapphire. Its reflection, they said, made the sky blue. Sapphire comes from the Greek word for blue, sappheiros, and this gem provides the most beautiful blues of the gem kingdom. Sapphire is the gem of truth. The tradition is so strong, we still think of an honest person as

CLARITY GRADING : VERY SLIGHTLY INCLUDED

Learn More About CLARITY...
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WEIGHT : 1.45 CARAT
Measurement(L X W X H) : 7.25x6x4.02

Diamond carat is the most widely known criteria of the four's. Due to their similar names, carat is often confused with the measurement for gold purity - karat. One carat is equal to 200 milligrams. This measurement can be further divided into points, which is equal to a ten thousandth of a carat (0.02 mg). The name carat originates from the ancient Greek name for the carob tree (kertion, literally "small horn"), which was a popular method of counterweighting metals and stones.
Despite the term having originated many thousands of years ago, there was no standard weight throughout the world, and each country or empire had its own interpretation of the weight. The carat only became a standardised measurement in the early to mid 20th century, starting with the U.S. adopting the measurement in 1913. The U.K. and Europe soon followed suit, and by the 1930's, the entire industry and every major economy had agreed to use carat as a measurement.

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Loose gemstone delivered by:Sat, Nov 23
Set in a ring & delivered by:Wed, Nov 27

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