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Cartier is known for its exceptional selection of diamonds, specifically focusing on those with outstanding quality and brilliance. The renowned luxury brand primarily utilizes high-quality diamonds that are graded as D, E, or F in color and internally flawless (IF) or very slightly included (VVS) in clarity. These criteria ensure that the diamonds used in Cartier pieces are of the highest caliber, exhibiting remarkable fire and brilliance. Additionally, Cartier often opt for diamonds that have excellent cut proportions, which further enhances their dazzling beauty and sparkle. By adhering to strict standards and selecting only the finest diamonds, Cartier creates exquisite and timeless jewelry pieces that are highly coveted by discerning individuals around the world.
The best color diamond is generally considered to be the colorless or white diamond. These diamonds are graded on a scale from D (colorless) to Z (light yellow or brown). In the diamond industry, colorless diamonds with a higher grade (closer to D) are highly valued due to their rarity and desirability. Colorless diamonds allow more light to pass through, creating a dazzling sparkle and enhancing the overall brilliance of the stone. They are often more expensive compared to diamonds with visible color. However, it's important to note that diamond color preference is subjective and some individuals may prefer fancy colored diamonds like vivid yellows, pinks, or blues, which are also highly sought after and can be quite valuable.
An unheated sapphire refers to a type of sapphire gemstone that has not undergone any heat treatment. Heat treatment is a common practice in the gem industry to enhance the color and clarity of gemstones. However, unheated sapphires are in their natural state, without any artificial modifications to alter their appearance. These sapphires are incredibly valuable and rare, as their colors are completely natural and have not been influenced or intensified by external processes. Unheated sapphires are highly sought after by collectors and enthusiasts due to their authenticity and unique beauty.
The rarest gemstone is typically considered to be the red diamond. Red diamonds are extremely rare and highly sought after for their vibrant color. They are graded based on their intensity of color, with the purest, most vivid red diamonds being the most valuable. These gemstones are so rare that only a few dozen have ever been found. It is estimated that there is less than 30 true red diamonds known to exist in the world. Other rare gemstones include jadeite, musgravite, alexandrite, and blue garnets. However, in terms of overall rarity and demand, red diamonds are widely regarded as the rarest gem of all.
Yes, yellow diamonds are genuine diamonds. They are natural diamonds that possess a distinct yellow color due to the presence of nitrogen impurities during their formation. The intensity of the yellow color can vary, ranging from light yellow to vivid and intense yellow hues. Yellow diamonds, also known as canary diamonds or fancy yellow diamonds, are quite rare and highly prized for their unique and vibrant color. The intensity of the yellow hue determines their value, with more intense and vivid yellow shades being more valuable. These diamonds undergo the same geological formation process as other diamonds and possess the same chemical composition of carbon atoms crystallized in a cubic structure. Hence, yellow diamonds are indeed real, naturally occurring diamonds.
The most expensive color of emerald is a vivid, intense green. Emeralds that exhibit a pure and vibrant green hue are highly valued in the gemstone market. Gemologists and collectors look for emeralds with a deep green color, free from any secondary hues like yellow or blue. These pure green emeralds are often referred to as 'bluish-green' or 'greenish-blue' due to the trace amounts of blue or yellow present. The valuable emerald color is often described as 'emerald green' and it is considered the most desirable and expensive shade. The price of an emerald can also depend on its transparency, size, and overall quality of the gemstone.