This appears to be a Custom Lab-Grown Diamond Pendant, likely from a specialized jewelry retailer. The design is a chunky, "iced-out" style, typical of hip-hop or "bling-bling" luxury jewelry.
The piece features a personalized word or phrase, entirely paved with numerous small, brilliant lab-grown diamonds, which offer the same physical and chemical properties as mined diamonds but are more ethical and often more affordable. It is a statement piece crafted for maximum sparkle and customization, allowing the wearer to express a unique identity in precious materials. The metal is likely silver or gold, designed for a bold, luxurious look.