Gemma's Jewelers is seen as one of Glendora Village Goldsmith's top competitors. Gemma's Jewelers's headquarters is in Rancho Cucamonga, California, and was founded in 2008. Like Glendora Village Goldsmith, Gemma's Jewelers also works within the Retail industry. Gemma's Jewelers generates ∞% of Glendora Village Goldsmith's revenue.