About Us


Gemco International is a family owned business that believes in a traditional way of doing business. We are a second-generation jeweler that believes in integrity; serving our customers with care, and attention to detail. Each product is offered at maximum value. Our website offers a collection of loose diamonds, loose gemstones, diamond jewelry, gemstone jewelry and pearls.

We are a full service diamond house and carry all shapes and sizes with a commitment to good cut and quality. With thousands of diamonds on hand, we can usually ship within 24 hours. We maintain our inventory using repnet. Our diamonds are graded either in-house, or by EGL, AGS, or GIA labs. Several stones are scanned by brilliance-scope for fire, scintillation and brilliance. Other diamonds available include baguettes, matched pairs and melee of all shapes. In addition, we carry diamond stud earrings with your choice of findings. We stock all the popular qualities in both 14K white and yellow gold. Another popular product is a diamond anniversary ring. Whether channel set; prong set or bezel set, we stock what you are looking for with a wide variety of diamond qualities and prices.

In our Colored Gemstone department, we maintain an extensive inventory. For over a quarter of a century, we have supplied fine gemstones to our clients. We carry all popular genuine colored gemstones in medium to fine qualities. We buy direct from Thailand, India, Brazil and Africa. We specialize in rubies, emeralds, sapphires and tanzanite. We also carry a fine selection of alexandrite, amethyst, aquamarine, opal, blue zircon, peridot, pink and green tourmaline, tsavorite, imperial topaz, iolite, rhodolite, and other semi-precious stones.

Our pearl section offers Japanese cultured pearls, Chinese akoya pearls, freshwater pearls, Tahitian and South Sea pearls. We stock a wide variety in pearl strands in 2 millimeter to 10 millimeter sizes and in lengths from bracelet to opera.