Unheated Burmese Ruby: Mogok Origin, Pigeon Blood Classification and Collector-Grade Standards

What makes unheated Burmese ruby the benchmark of fine gemstone collecting? JUSTLEE on Mogok origin, pigeon blood grading and GRS certification standards.

Colored Gemstones vs. Diamonds: Which Is the Better Investment for Collectors?

The question comes up regularly in fine jewelry collecting circles — colored gemstones or diamonds? — yet it rarely receives an answer grounded in market mechanics. Most discussions reduce to aesthetic preference, sidestepping the more fundamental questions: how does each market determine value, where does rarity come from, and how is it priced? Drawing on fifty years of gemstone curation, JUSTLEE's Consultant Team examines both markets through the lens of auction records, certification standards, and supply dynamics.

Ruby vs Sapphire: Same Mineral Family — Why the Evaluation Logic Is Completely Different

Ruby and sapphire share the same mineral identity — corundum — yet differ in colour origin, optical character, geographic rarity, and certification language. This guide examines six dimensions that separate the two, from fluorescence and asterism to provenance and laboratory standards.

Why Kashmir Sapphires Keep Getting Harder to Find — One Stone, Three Auctions, 25 Years, and a 687% Rise

The Regent Kashmir, 35.09 carats, unheated, Royal Blue, Kashmir origin, has appeared at Christie's three times: New York in 2000, Geneva in 2015, Hong Kong in 2025. Its per-carat price rose from USD 34,650 to USD 272,810 over 25 years, a gain of 687%. Behind that number is a straightforward reality: the mines were exhausted in the 1880s, and every Kashmir sapphire in existence today was mined within a window that closed over a century ago.

The Eternal Flame: Red Gemstones in 2026

An overview of the 2026 red gemstone market, examining ruby and spinel through rarity, origin, and value structure, with a focus on unheated rubies, Mogok sources, and collector-driven demand.

From Volume to Value: Market Insights from the 2026 Tucson GemFair

The 2026 Tucson GemFair sends a definitive message: the colored gemstone market has pivoted from volume to pure value. Despite soaring gold prices and tariff volatility, top-tier natural gems continue to defy economic gravity. JUSTLEE breaks down the undeniable premium on provenance—from unheated to Montana sapphires. Discover why ultimate rarity remains the ultimate inflation-proof asset, and master the new rules of precision sourcing.