The Journal - valentinaleardi.com

Three emeralds over a text saying: emeralds.

Emeralds: The Stone That Held Kingdoms Together

December 1, 2025

Tsavorite vs Emerald. On the left the Lion of Merelani. (Credit: Jeff Scovil, courtesy of Bridges Tsavorite, Smithsonian Insitute). On the right The Rockfeller Emerald (Credit: Christie's).

Emerald VS Tsavorite: A Collector’s Comparison of Green Fire and Green Depth

November 28, 2025

Three rough ethiopian opals with the text ethiopian opals below.

Ethiopian Welo Opal Buying Guide

November 27, 2025

An oval cut parti-color sapphire and a red spinel. On top the text: sapphires vs spinels

Sapphires vs Spinels: A Clear, Honest Guide for Buyers and Collectors

November 26, 2025

a bunch of padparadscha sapphires below a text "The Padparadscha Sapphires

The Rare Flame Between Dawn and Dusk: the Padparadscha sapphire.

November 25, 2025

A comprehensive palette of colors among spinels. From top left: jedi red, mahenge red, hot pink, padparadcha, lavander, cobalt blue, gray and teal.

A gem with absolute character: Spinels!

November 24, 2025

A waterfall of gemstones over a text that says the manifesto.

The Manifesto – Where color begins

November 21, 2025

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