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Custom engagement rings with birthstones offer collectors and couples a rare fusion of luxury and meaning. From symbolism and provenance to personalized design, Caram guides you in crafting heirloom jewels that embody love, identity, and enduring value.

From emeralds to alexandrite, rare gemstones embody both beauty and legacy. Discover Caram’s guide to ranking gemstones by rarity and value — and learn how collectors identify heirloom gems that endure as both treasures and investments.

Many buyers — and even seasoned dealers — misunderstand what color stability classifications mean, especially the often-misread Type 3a. In reality, a Type 3a Padparadscha sapphire may improve in color when exposed to UV light, making it a hidden advantage rather than a risk. In this article, we break down the GRS types, explain why “discharged” and “charged” states matter, and show how a trusted advisor can help you navigate gemstone reports with confidence.