No related products found for this topic.
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.
A cabochon sapphire refers to a specific type of cut given to a sapphire gemstone, rather than being a different kind of sapphire altogether. Cabochon cutting involves shaping a gem into a smooth, rounded, and polished dome shape without any facets. Unlike other traditional faceted cuts, a cabochon cut features a flat base and a smooth, curved upper surface. This cut is commonly applied to opaque or translucent gems, such as sapphires, where the color and texture of the stone are more important than its brilliance or reflective properties. The cabochon cut brings out the natural beauty of the sapphire by emphasizing its color, patterns, and inclusions. By eliminating facets that would otherwise reflect light, the cabochon style allows the stone to showcase its unique characteristics, such as the intense blue color and internal structures. It is frequently used for sapphires that exhibit asterism, a phenomenon where a star-shaped pattern appears due to intersecting needle-like inclusions called rutile. Cabochon sapphires are often used in jewelry, including rings, pendants, earrings, and bracelets, where their distinct look adds a touch of elegance and sophistication.
Yes, purple star sapphires are considered rare gemstones. Sapphires are typically found in various colors like blue, pink, yellow, and green, but the purple variety is relatively uncommon. The rarity of purple sapphires is further enhanced by the presence of asterism, which is a phenomenon that causes a star-shaped pattern to appear on the surface of the gemstone when exposed to a direct light source. The asterism in purple star sapphires is due to the presence of needle-like inclusions called rutile within the gemstone. These inclusions intersect each other in a way that creates the appearance of a star when reflected light interacts with them. The intensity and visibility of the star effect can vary in different purple star sapphires, making some specimens more valuable than others. Due to their scarcity and unique optical properties, purple star sapphires are highly sought after by gem collectors and enthusiasts.
Purple star sapphires are considered quite rare gemstones. Star sapphires are a variety of sapphire that exhibit a phenomenon called asterism, which is the appearance of a star-shaped pattern on the surface of the stone. The star effect is caused by intersecting needle-like inclusions within the sapphire that reflect light. While star sapphires in general are not common, purple star sapphires are particularly scarce. The rarity of purple star sapphires is due to a combination of factors. First and foremost, the occurrence of asterism itself is already uncommon in sapphires. Secondly, purple sapphires, also known as amethystine sapphires, are not as readily available as the more common blue sapphires. The color purple in sapphires is caused by traces of iron and titanium in the crystal structure, and these impurities are not always present in sufficient quantities to produce the desirable purple hue. Therefore, when a purple star sapphire is found, it becomes a highly sought-after gemstone by collectors and enthusiasts.
Yes, a star sapphire is considered rare in the gemstone world. The star sapphire displays a unique phenomenon known as asterism, which is the appearance of a star shape on the gemstone's surface when viewed under a single light source. This rare optical phenomenon occurs due to the presence of tiny needle-like inclusions within the sapphire, causing the reflection of light in a six-ray star pattern. The intensity and visibility of the star vary depending on the quality and cut of the sapphire. Star sapphires are predominantly found in Sri Lanka, Burma (Myanmar), and India, but they can also be sourced from other locations. Their limited availability and captivating beauty contribute to their rarity and desirability among collectors and gem enthusiasts.
The value of Paraiba tourmaline varies depending on various factors such as color, size, clarity, and overall quality. Generally, Paraiba tourmaline is considered one of the rarest and most valuable gemstones in the world. Its vibrant blue-green or neon blue color, often referred to as the Paraiba color, greatly influences its worth. In terms of per carat value, high-quality Paraiba tourmaline can range anywhere from $10,000 to $50,000 or even more. However, larger and superior quality stones can command much higher prices. Other factors that affect the value of Paraiba tourmaline include clarity (the fewer inclusions, the higher the value), cut (well-cut stones fetch higher prices), and origin (originating from the original Paraiba region in Brazil tends to increase its value). It's important to note that the market can fluctuate, and prices are also influenced by supply and demand. If you are interested in purchasing Paraiba tourmaline, it is advisable to consult with a reputable gemstone dealer or jeweler who can provide a more accurate and up-to-date valuation.