As a gemologist with over a decade of experience in the field of precious stones, I can provide you with an informed comparison between rubies and diamonds.

Rubies and diamonds are both valuable gemstones, but their value can vary significantly based on several factors such as carat weight, color, clarity, and cut for diamonds, and color, clarity, cut, and the presence of inclusions for rubies.

Diamonds are often considered the most valuable gemstone due to their hardness, which is rated on the Mohs scale of mineral hardness as a 10, making them the hardest known natural material. This hardness, combined with their brilliance and rarity, contributes to their high value. Additionally, the diamond industry has a well-established grading and pricing system, which can also influence their perceived value.

Rubies, on the other hand, are corundum with a red color caused by the presence of chromium. The most valuable rubies are referred to as "pigeon's blood" red, which is a vivid and intense red color. Rubies are also quite hard, with a Mohs rating of 9, and they are known for their beauty and rarity as well. However, the market for rubies is not as tightly controlled as the diamond market, which can lead to more variability in pricing.

In terms of per carat price, high-quality diamonds often surpass rubies. However, extremely rare and high-quality rubies can also fetch a high price, sometimes even rivaling diamonds. It's important to note that the value of a gemstone is subjective and can be influenced by market trends, cultural preferences, and individual tastes.

In conclusion, while diamonds tend to hold a higher value in the market overall, the specific value of an individual stone will depend on its unique characteristics and the current market demand.

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Diamonds are one of the most valuable precious stones around, but not because diamonds are especially rare. In fact, high-quality emeralds, rubies, and sapphires are all rarer in nature than diamonds.read more >>