When buying rubies, it is best to choose the elliptical and pincushion of the mixed cut, because these cuts can fully display the vibrant color of the ruby. Some rubies can show a rare optical phenomenon - the starlight effect, which has star-shaped light. When buying rubies, the most important thing is to know what you are buying. Synthetic rubies are popular, most are inlaid in jewelry, and most natural rubies are heat treated to enhance color. In addition, other gems, including spinel and pink sapphires, may be mistaken for rubies, so remember to check the certificate before purchasing.  

Garnets come in a variety of colors, including the most popular greens and yellows, but in general, red garnets are more popular. Garnet has a Mohs hardness of 7 to 7.5 and is durable enough as a jewel for everyday wear. Natural red diamonds are the rarest of colored diamonds, and the purest and most saturated red diamonds are ideal. Red diamonds are not color graded according to the D to Z color scale, and color or " brilliant" diamonds has a color grade of "Faint" to "Fancy Deep".

The color range of tourmaline is wider than any other gemstone, and the name of the tourmaline in the range of pink to red is called ruby tourmaline. The wide range and size of the ruby tourmaline makes it the best choice for contemporary jewelry. Tourmaline’s hardness is 7 to 7.5, so it is durable and suitable for everyday wear, custom birthstone necklaces as a gift.

Red spinel is a beautiful gemstone that is often confused with rubies and is highly sought after for its hardness and color strength. Spinel is a rare gemstone whose value is rising and surprising. Many of the famous "ruby" in the royal jewelry collections around the world are actually spinels. With a Mohs hardness of 8, the spinel is a durable choice for everyday wear.

Opal is often known for its iridescent "color matching", but occasionally the unique color changes in the fire opal. The top color of the fire opal is usually reddish orange to bright red. Opal is a softer gemstone with a hardness of 5 to 6.5, so everyone needs to be careful when wearing couple’s birthstone necklaces.

For gems, the cutting technology is its soul - especially colored gems. Only by applying the knowledge of refractive index, dispersion and hardness of gemstones to the cutting of gemstones, plus the correct cutting ratio and angle, can the beautiful color, luster, brilliance, etc. of gemstones be well expressed. Let's learn about the different ways of cutting gems.

Pincushion cutting combines the deep cut of the facet with the elliptical cut to maximize the luster of the gemstone, a common way of cutting. The long trapezoidal cut cuts the gemstone into a stepped shape with a pyramid at the top, and the bottom surface, the countertop and the facet form a square. This kind of cutting is common in such large gems as tourmaline and sea sapphire.

The characteristic of the curved surface is that there is only one surface, which is curved, also called the plain surface of the stone. This cutting method is suitable for gemstones with special optical effects, such as the noble gemstone of cat's eye, as well as jade, agate, opal, etc., which are also curved. Sometimes you will see emeralds and tanzanites cut by curved faces.

The pear-cut gemstone is like a drop of crystal teardrop, giving a beautiful and romantic feeling. The heart shape is a symbol of sweet love. The cutting of this shape can make the gem produce a beautiful luster, but it is also very expensive.

The triangular cutting highlight acme and subface, which can reflect the luster of the gemstone and highlight the color, so it is suitable for gemstones with relatively fresh colors, such as spodumene and aquamarine.

The oval cut, when viewed from above the gem, it shows soft lines, and the gloss is comparable to that of a round cut gem. The brilliance is dazzling.

The lattice cut has the feeeling of modern art and looks very novel. It is characterized by the square or diamond shape of the gemstone. It is very popular and is a popular cutting method.