SP Gems Blogs

Sourcing the Finest Gemstones: A Comprehensive Guide

At SP Gems, we source all types of gemstones from the most reputable and trusted merchants around the world. Understanding the key characteristics of gemstones is essential to making informed decisions and shopping with confidence. In this guide, we will cover the five essential qualities of gemstone quality. If you have any specific needs, feel free to get in touch with us!

Color

The quality and desirability of a gemstone are often determined by its color. The most sought-after gems are those with intense color saturation, a deep tone, and pure hues. Color is generally the most crucial aspect, as it dictates a gemstone's overall appearance. To enhance the natural color, many gemstones on the market are treated in some way. At SP Gems, we offer both treated and untreated stones to suit different preferences and requirements.

Clarity

Similar to diamonds, most gemstones contain inclusions—tiny imperfections that are usually visible only under magnification. Flawless gemstones are extremely rare. Don’t be discouraged by inclusions; at SP Gems, we only source eye-clean gemstones, ensuring they look flawless to the naked eye.

Shape or Cut

Unlike diamonds, gemstones are typically cut to maximize their color rather than their brilliance. There’s no standard cut for gemstones; instead, the goal is to enhance the stone’s natural color. A gemstone with higher color saturation might be cut shallower to allow more light to pass through, while lighter stones are cut deeper to intensify their color.

Size

Gemstones are often categorized by dimensions rather than carat weight because different gemstones have varying densities. This means five gemstones of the same carat weight may appear different in size. The top view dimensions give a good indication of how large the stone will look, but depth is also crucial, as gemstones are usually deeper than diamonds. You may need a custom setting to accommodate a deeper stone.

Enhancements

Most gemstones on the market have undergone some form of treatment. Natural, untreated gemstones with exceptional color are rare. The most common enhancement is heat treatment to enrich the color, with clarity enhancements also frequently applied. At SP Gems, we provide transparency about all treatments, so you know exactly what you’re getting.

Understanding Pearls: A Special Segment

Pearls hold a unique place in the jewelry world. While they have always been a favorite for their beauty and elegance, it’s important to understand the different types and qualities available today.

Types of Pearls

There are four primary types of pearls you’ll encounter:

• South Sea Pearls: Known for their large size and luxurious luster.

• Akoya Pearls: Classic white pearls with a sharp luster.

• Tahitian Pearls: Famous for their dark, exotic colors.

• Freshwater Pearls: Known for their wide range of shapes and colors.

Color

Pearls come in a spectrum of colors, including white, cream, yellow, pink, silver, and black. Many pearls also exhibit an overtone, a secondary hue that adds depth when viewed in different lighting.

Lustre

Lustre refers to the shine of a pearl, a key indicator of its quality. Generally, larger pearls have better lustre due to thicker layers of nacre, the substance that gives pearls their distinctive glow.

Shape

While round pearls are the most prized, pearls come in various shapes. Baroque pearls, known for their irregular shapes, can also be valuable due to their uniqueness and high lustre.

Size

Pearl sizes vary significantly depending on the type. Freshwater pearls are typically smaller, ranging from 3-7mm, while South Sea and Tahitian pearls can grow up to 18mm or more.

Care for Pearls

Unlike diamonds and gemstones, pearls require special care. Wearing them regularly helps maintain their shine, as body oils keep them lustrous. Never use ultrasonic cleaners or harsh chemicals on pearl jewelry. A gentle wipe with a soft cloth after each wear is the best way to preserve their beauty.

At SP Gems, we are dedicated to providing you with the highest quality gemstones and pearls. Whether you’re looking for a vibrant sapphire, a stunning emerald, or a luxurious pearl necklace, our experts are here to help you find the perfect piece. Contact us today to discuss your gemstone and jewelry needs!