Price Guide to Antiques & Collectables
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Argyle Pink Diamond Glacier Engagement Ring by Calleija

18ct white gold, diamond and Argyle fancy pink diamond 'Glacier' engagement ring and band, Calleija, circa 2015, comprising: a solitaire ring centring a claw-set cushion modified brilliant-cut diamond weighing 1.24 carats, between shoulders channel-set with 12 Argyle natural fancy pink brilliant-cut diamonds together stated to weigh 0.26 carat, the gallery accented with a 'C' in pink gold, the half hoop centring a collet-set diamond, size H1/2, together with a half round wedding band claw-set with six near colourless and seven Argyle natural fancy pink brilliant-cut diamonds, size J1/2, marked C for John Calleija. (2), accompanied by: a GIA report numbered 2135587517, dated 14 July 2011, stating that the 1.24 carat diamond is F colour, SI1 clarity, laser inscribed, a Calleija certificate of valuation for Insurance Purposes, reference number 13236, dated 20 March 2015.

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  • Carat - A carat (abbreviated "ct") is a unit of measurement used to describe the weight of a diamond or other gemstone, and separately is a unit of measurement used to describe the weight of precious metals such as gold,.

    For gemstones, one carat is equal to 0.2 grams or 200 milligrams. The weight of a diamond is one of the Four Cs (along with cut, colour, and clarity) that are used to determine a diamond's value.

    It is important to note that a diamond's weight does not necessarily correspond to its size. A diamond's cut, which affects how well it reflects light, can make a diamond of a lower weight appear larger than a diamond of a higher weight. Additionally, the carat is not the only factor to determine the value of a diamond, other factors such as clarity, colour and cut are important too.

    In the gold industry, the purity of gold is measured in carats (abbreviated "ct"), with 24 karats being pure gold and lower carat numbers indicating a lower purity level. So, for example, 18 carat gold is 18/24 or 75% pure gold, and 12 carat gold is 12/24 or 50% pure gold.
  • Claw Set Jewellery - The description "claw set" in jewellery refers to a setting where the gemstone is held in place by metal prongs that resemble claws. These prongs are bent over the edges of the gemstone to secure it in the setting. This type of setting is commonly used for diamonds and other precious stones.

  • Circa - A Latin term meaning 'about', often used in the antique trade to give an approximate date for the piece, usually considered to be five years on either side of the circa year. Thus, circa 1900 means the piece was made about 1900, probably between 1895 and 1905. The expression is sometimes abbreviated to c.1900.

This item has been included into following indexes:

18ct white gold, diamond and Argyle fancy pink diamond…