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MODERN SAPPHIRE STERLING SILVER RING SIZE 8 GTJA 115

SKU
Dimensioni (mm)
7.000 x 5.000 x 3.000mm
Peso (cts)
15.000
Material
Silver
Ring Size
8
Colori

BEAUTIFUL BLUE SAPPHIRES GEMSTONE SET IN STERLING SILVER RING

LARGE SAPPHIRE 7X5 MM SIZE

CLEAN BRIGHT HAND PICKED SAPPHIRES

TOP OF RING SIZE WIDTH   10 MM

SHAPE:  FACETED NATURAL blue COLOURS

RING  STAMPED HALLMARK 925 FOR STERLING SILVER

QUALITY RING MADE BY CRAFTSMAN IN THAILAND

TREATMENT: HEAT TREATED

RECOMMENDED RETAIL PRICE $139.00

RING IN IMAGES IS EXACT RING YOU WILL RECEIVE

 

 

Sapphire is one of the two gem varieties of the species corundum. Although blue is the best known hue, the gem occurs in virtually every spectral hue excepting red and are affectionately known a s party sapphires as colours are so vibrant.

Red corundum is a ruby.

Sapphire may also be colorless, and it also occurs in the non-spectral shades, grey and black. Yellow and green sapphires have traces of iron that gives them their color.

 Pink sapphires have a trace of the element CHROIUM and the deeper the color pink the higher their monetary value as long as the color is going toward the red of rubies.

Sapphires also occur in shades of orange and brown, and colorless sapphires are sometimes used as diamond substitutes in jewelry.

Salmon-color padparadscha sapphires often fetch higher prices than many of even the finest blue sapphires.

Treatments

Some natural sapphires are heated to improve or enhance color. This is usually done by heating the sapphires to temperatures of up to 1800 °C for several hours, or by heating in a nitrogen deficient atmosphere oven for seven days or more. On magnification, the silk due to included rutileneedles are often visible. If the needles are unbroken, then the stone was not heated; if the silk is not visible then the stone was heated adequately. If the silk is partially broken, then a process known as low tube heat may have been used. Low tube heat is the process whereby the rough stone is heated to 1300 °C over charcoal for 20 to 30 minutes. This removes grey or brown in the stone and improves color saturation

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gem traders
gem traders
Gem Traders has an established market in Australia for gemstones and we added Opals to compliment this range. Our main gemstones besides Boulder Opals are doublets and Rubies, Sapphires, Amethyst, Chrysoprase and Garnets.
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21st Apr 2024

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Spedizioni da:
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Tipo di elenco : Standard
Codice prodotto : 57373
Inizia : 28th March 2024 08:56 pm PDT
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