Karat gold: Karat gold is the most common type of gold used in jewelry, with 14K and 18K being the most popular. The amount of pure gold in karat gold is measured on a scale of 24, with 24 karat gold being pure gold. The remaining portion is made up of other metals, such as silver, copper, or zinc, which are added to increase the strength and durability of the gold. The more alloys that are added to the gold, the lower its karatage and the less pure it is. 24K gold is soft and malleable, making it less suitable for jewelry that is worn frequently, whereas 14K and 18K gold are stronger and more durable. The color of karat gold can vary depending on the specific combination of alloys used in the mixture. For example, yellow gold is made up of gold, copper, and silver, while white gold is made up of gold, nickel, and zinc.

Gold bullion: Gold bullion is gold that is in the form of bars or coins and is typically used for investment purposes. The purity of gold bullion can vary, with some bars or coins being 99.9% pure gold, also known as “fine gold”. The weight and purity of gold bullion are important factors in determining its value, with heavier and purer bars or coins being more valuable. Gold bullion is often bought and sold by investors and collectors who are looking to diversify their portfolio or hedge against inflation. Gold bullion can be bought from banks, specialized dealers, or online, and it is important to ensure that the seller is reputable and the gold is authentic.

Gold plating: Gold plating is a process in which a thin layer of gold is applied to a surface, usually metal, through electroplating. The thickness of the gold plating can vary, with thicker plating generally being more durable and valuable. While gold plating can be an affordable way to create a gold-like appearance, it is not as valuable as solid gold and can wear off over time. Gold plating can be found on a variety of items, from jewelry to electronics to home decor. It is important to note that not all gold-colored items are made of real gold or even gold-plated, so it is important to know the quality of the item before making a purchase.

White gold: White gold is a mixture of gold and other metals, such as nickel, zinc, or palladium, that give it a white or silver color. White gold is often used in jewelry as a more affordable alternative to platinum, which has a similar appearance but is more expensive. White gold can be a good option for those who want the look of platinum without the higher price tag, but it should be noted that some people may have an allergic reaction to the nickel commonly used in white gold alloys. Rhodium plating is often applied to white gold jewelry to enhance its shine and protect it from scratches and tarnishing.

Rose gold: Rose gold is a mixture of gold and copper, which gives it a pinkish or reddish hue. It has become increasingly popular in recent years as a trendy alternative to traditional gold or silver jewelry. Rose gold can vary in color depending on the amount of copper used in the alloy, with a higher copper content resulting in a deeper rose color. Rose gold is often used in engagement rings and wedding bands, as well as in other types of jewelry.

Green gold: Green gold is a mixture of gold, silver, and copper, which gives it a greenish color. It is a rare type of gold that is often used in high-end jewelry,