Mustang runners were cowboys who caught and broke in wild mustangs, then taking them to market in Texas, New Mexico and California. Mustangs roamed the Great plains and San Joaquin Valley of California from the late 18th to the early 20th century. This premium stainless-steel ring features nearly 7ct of green Diamondeau – flawless simulated diamond with unique detailing on the shank. All lavishly plated in 18k yellow gold.