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The cross setting is handmade of Platinum in an open work design and nice detail work. The back of the cross is 18 karat yellow gold made in a separate mold and added to the back of the cross. This cross pendant has very time intensive hand work detail of a master jeweler.
A History of Platinum
Although the modern history of platinum only begins in the 18th century, platinum has been found in objects dating from 700 BC, in particular the famous Casket of Thebes (see image). This little box is decorated with hieroglyphics in gold, silver and an alloy of the platinum group metals.
For the Spanish Conquistadors of the 16th century, platinum was a nuisance. While panning for gold in New Granada they were puzzled by some white metal nuggets which were mixed with the nuggets of gold and which were difficult to separate. The Spanish called this metal Platina, a diminutive of Plata, the Spanish word for silver. Some thought that the platinum was a sort of
In the 18th century platinum was a tough challenge to European scientists trying to understand and use the metal. Their difficulties came from the very properties which make platinum suitable for so many applications, such as its high melting point and its great resistance to corrosion. The problems were compounded by the other metals of the platinum group, which were present in raw platinum in varying quantities.
In 1751, a Swedish researcher named Shaffer succeeded in melting platinum by adding arsenic to it. He also recognized platinum as a new element. In 1782, Lavoisier achieved the first true melting of platinum using oxygen, which had recently been discovered; even so, it was another 25 years before commercial quantities of platinum could be produced by this method.
The setting is set with 12 Mine cut diamonds with the t.d.w. is 1 and 20 points of diamonds.
Old European Cut or Mine Cut Diamond- 1800s
The "Old European Mine" cut was the forerunner of the modern round brilliant cut. The Old European diamond cut has a very small table, a heavy crown, and very tall overall depth. Like the modern round brilliant, the Old European Mine cut diamond has a circular girdle.
Also the cross is set with 21 small Rose cut diamonds for added beauty.
Rose Cut Diamond- 1500s
Invented in the mid 16th century, the "rose cut" is also known by the "Antwerp rose," "crowned rose cut," "Dutch cut," and the Full Holland cut. The Rose cut can form a single hemisphere for a total of 24 facets or it can be two back-to-back hemispheres (Double Dutch rose) forming a total of 48 facets.
The size of this Cross Pendant is 2 .25 inches tall by 1.25 inches wide.
This is a fine quality handmade one of a kind Edwardian period (1901 to 1910) quality pendant.
The insured value is $6700.00 as of September 2011.