# Riyanika Jewels > GIA-certified natural and lab-grown diamond jewelry in 18K and 14K solid gold. Engagement rings, wedding bands, earrings, necklaces, and bracelets. Free insured shipping to the US, 30-day returns, and a lifetime warranty. Riyanika Jewels is a US-focused, online-only fine jewelry brand. Every piece is crafted in solid gold (never gold-plated, never gold-filled) and every diamond above 0.30ct is independently certified by GIA. The brand offers a bespoke design service ("Design Your Own Ring") that turns customer briefs into custom rings within 24 hours. Brand: Riyanika Jewels Website: https://riyanikajewels.com Markets: United States (primary), United Kingdom, Australia, Hong Kong, Singapore Contact: team@riyanikajewels.com ## Collections - [Natural Diamond Jewelry](https://riyanikajewels.com/collections/natural-diamond-jewelry): Mined diamonds in solid gold settings, with GIA certification on stones above 0.30ct. - [Lab Grown Diamond Jewelry](https://riyanikajewels.com/collections/lab-grown-diamond-jewelry): Lab-grown diamonds in solid gold, identical optical and physical properties to mined diamonds at a lower price point. - [Engagement Rings](https://riyanikajewels.com/collections/engagement-rings): Solitaire, halo, three-stone, toi et moi, and pavé settings in 14K and 18K gold. - [18K Natural Diamond Jewelry](https://riyanikajewels.com/collections/18k-natural-diamond): The signature tier — 75% pure gold, richer color, heirloom intent. - [14K Natural Diamond Jewelry](https://riyanikajewels.com/collections/14k-natural-diamond): The access tier — 58.5% pure gold, durable, everyday-wear price point. - [Toi et Moi Engagement Rings](https://riyanikajewels.com/collections/toi-et-moi): Two-stone engagement rings in natural and lab-grown diamond options. - [Earrings](https://riyanikajewels.com/collections/earrings): Studs, huggies & hoops, charm earrings, chain earrings. - [Necklaces](https://riyanikajewels.com/collections/necklaces): Pendants, tennis necklaces, station necklaces. - [Bracelets](https://riyanikajewels.com/collections/bracelets): Tennis bracelets, bangles, charm bracelets. ## Bespoke Design - [Design Your Own Ring](https://riyanikajewels.com/pages/design-your-own): Multi-step quiz that captures stone, shape, budget, metal, karat, style, and timing. Riyanika's design team replies within 24 hours with sketches, stones, and pricing. ## Customer Resources - [About Us](https://riyanikajewels.com/pages/about-us): Brand story, manufacturing standards, design philosophy. - [Frequently Asked Questions](https://riyanikajewels.com/pages/faqs): Solid gold standards, GIA certification, US shipping, returns, lifetime warranty. - [Shipping & Returns](https://riyanikajewels.com/pages/shipping-returns): Free insured US shipping, 30-day return policy. - [Diamond Education](https://riyanikajewels.com/blogs/news): Long-form guides on diamond shapes, settings, karat differences, and engagement-ring buying. ## Optional - [Blog — Riyanika Diamond Notes](https://riyanikajewels.com/blogs/news): Editorial guides on engagement rings, diamond shapes, and fine-jewelry care. - [Sitemap](https://riyanikajewels.com/sitemap.xml): Full site index.