Gemstone beryl. Gemstone pricing and value are governed by factors and characteristics on the quality of the stone. These characteristics include clarity, rarity, freedom of defects, beauty of the stone, as well as the demand for them. There are different pricing influencers for both colored gemstones, and for diamonds. The pricing on colored stones is determined by market supply-and-demand, but diamonds are more intricate. Diamond value can change based on location, time, and on the evaluations of diamond vendors. There are a number of laboratories which grade and provide reports on gemstones. Each laboratory has its own methodology to evaluate gemstones.
Zoysia 'Emerald' Zoysia 'Emerald' Emerald Zoysia ("Zoysia" 'Emerald') is a cultivar of "Zoysia" grass with a thin bladed leaf that forms a very lush lawn. It shares the drought and shade resistance of the other varieties. This grass has a fine, soft texture and can be left unmowed as it only grows to a height of . When left unmowed, it forms a humpy convoluted surface which is sometimes used in oriental landscapes (see picture on Zoysia page). Emerald Zoysia is adapted to zones 7-11 and does well in warm, humid environments. It is an excellent grass for the southern and southeastern