Source a specific gemstone with help from the experts. Fill out the form below and one of our graduate gemologists will help you find the perfect gemstone!
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Every diamond you buy from us is certified conflict–free. Rio Grande has earned certification from the Responsible Jewellery Council, verifying that we are in compliance with the Kimberley Accord and that our gemstones, supply chain and facility meet the high standards of the RJC Code of Practices. Further, RJC routinely conducts audits to certify that we are maintaining these standards.
We’ve made purchasing diamonds easy and accessible. Review the Diamond Buyer's Guide and the Diamond Sizing Chart to help you understand quality characteristics of diamonds before you purchase any gemstone.
Propose an alternative design with lab-grown diamonds, moissanite and lab-grown white sapphires. Learn more about the unique attributes of each gemstone in this simple comparison chart that speaks to pricing, appearance, hardness and uses. Research your favorites and let us help you source brilliant alternative gemstones.
Learn More >Wholesale membership offers much more than the benefit of purchasing precious gemstones. Wholesale members enjoy in-house gemologist support, special price breaks, shipping discounts, full product access to gold and silver, no-appointment Jewelry Tech Team support and so much more!
Learn More >Provide one of the following documents along with some additional information and you’re on your way!