This piece has been hand manufactured by trusted and highly qualified craftsmen according to the best Italian goldsmith tradition using the latest technology. Alex Jona hallmark 404TO guarantees the origin of the product and the precious metal content is confirmed by the official gold hallmarks. All diamonds used are purchased from legitimate sources and conflict free. Only diamonds of the highest quality standard in terms of Clarity, Color and Cut are used.
18 Karat Rose Gold
18k (75%) gold is the purest form of gold used for jewelry (pure 100% gold is 24 karats by definition). 18k means that 18 out of the 24 parts that make up the gold are pure gold. The most common hallmark stamps for 18 karat gold are 18K or 750 that indicate 75% gold purity. Rose gold is an alloy also known as pink gold and red gold. Although the names are often used interchangeably, the difference between red, rose, and pink gold is the copper content: the higher the copper content, the stronger the red coloration. 18K red gold means 75% gold and 25% copper. 18K rose gold means 75% gold, 22.25% copper and 2.75% silver. 18K pink gold means 75% gold, 20% copper, 5% silver.
Black diamond is one of the toughest forms of natural diamond. Natural black diamonds are formed in locations separate from other varieties, most notably in central Africa and Brazil.These precious gems have natural inclusions of graphite and similar minerals. Because they interact with light differently than other diamonds, they appear black.
Diamonds are a form of the element carbon with a crystal structure. Diamond's great hardness relative to other materials has been known since antiquity, and is the source of its name derived from the ancient Greek ἀδάμας that means "unbreakable". Diamonds are the hardest natural substance on earth and rate a 10 on the Mohs Hardness Scale. Diamond is also known as April's birthstone. They are thought to be first recognized and mined in India many centuries ago.Four characteristics, known informally as the "Four Cs", are now commonly used as the basic descriptors of diamonds: Carat, Clarity, Color and Cut.This system was developed by GIA (Gemological Institute of America), one of the major gemological associations internationally recognized to evaluate diamond characteristics.The carat weight measures the mass of a diamond and the clarity is a measure of internal defects of a diamond called inclusions. GIA’s D-to-Z diamond color-grading system measures the degree of colorlessness: the finest quality as per color grading is totally colorless, which is graded as D color diamond across the globe, meaning it is absolutely free from any color. Last, the cut of a diamond describes the quality of workmanship and the angles to which a diamond is cut.
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