Sterling Marble & Granite (SMG) is the newest alternative in the market for natural stones, specifically, granite, marble and quartz. Bringing nature’s best, SMG established in Caguas Puerto Rico, offers a wide array of colors, sizes, and alternatives to remodel or make out of your kitchen and bath the treasures of your home. • SMG leaves no stone unturned in its quest for the perfect cut. • Natural selection meets the next step of technology evolution. • From kitchens to bathrooms, and from patios to gardens, natural stones enhance every aspect of fine living.