0.65 Ct. Ruby from Mozambique

This 0.65 carat, transparent, emerald cut red ruby is a refined and compelling addition to any high end gemstone collection, and it is offered by The Natural Ruby Company with full disclosure of its characteristics. The gem measures 6.05 by 3.99 by 2.40 mm, dimensions that produce a balanced, elegant face up appearance ideal for classic solitaire rings, bespoke pendants, or as a central stone in a sophisticated three stone design. The emerald cut shape was chosen to emphasize the stone color and to present a large, clean table that allows the eye to read the ruby as a single, saturated field of color. For collectors who appreciate a measured, architectural aesthetic, the linear facets of an emerald cut deliver a refined visual statement, trading scintillation for a broad, luminous depth that showcases the internal color zoning and the stone natural character.

From a gemological perspective this ruby presents a vivid color intensity that is the most desirable attribute in fine red corundum. The term vivid refers to the saturation and tone of the hue combined with the stone transparency, producing a lively, strong red that reads as pure and vibrant under daylight and gemological lighting. Color intensity is the single most important driver of value in rubies, and this example shows a rich, evenly distributed red that captures attention while maintaining the nuance that experienced buyers seek. The emerald cut accentuates the tone without overwhelming the eye with sparkle, so the color is perceived as deep and velvety, and the excellent polish enhances light return and surface luster, giving the stone a premium finish that complements its internal color.

Clarity for this ruby is graded as slightly included when evaluated at eye level, a category that is common in natural rubies and often acceptable to discerning collectors who prioritize color and origin over microscopic perfection. Slightly included indicates the presence of inclusions that are visible upon careful inspection without magnification, but these features do not detract from the overall visual appeal or structural integrity of the gem. In many rubies, such internal characteristics act as fingerprints confirming natural formation and can positively influence desirability among connoisseurs who prefer natural origin evidence. The transparency of this stone remains very good, and the slight inclusions become part of the gemstone story, adding character while preserving its brilliance and color saturation.

This ruby originates from Mozambique, a source that has become increasingly respected in the international gem market for producing strong colored, high quality rubies over the past two decades. Mozambican rubies are known for their vivid red hues and sometimes for larger sizes at competitive price points when compared with classic Burmese material. Provenance has become an important component of valuation, and documented origin from Mozambique provides collectors with context about geological formation, regional gemological traits, and the supply chain. The stone has been heat treated, a widely accepted and disclosed enhancement that improves color and clarity in corundum while being stable and permanent under normal wearing conditions. Heat treatment is a conventional practice in the trade, and its disclosure is essential for fair market valuation. Buyers who require untreated material should be advised accordingly, but for many educated buyers, a well executed heat treatment is an acceptable and standard method to unlock the best visual attributes of a ruby.

As a piece for a refined collection this 0.65 carat emerald cut Mozambique ruby represents a thoughtful balance of physical dimensions, vivid color, and collector friendly origin, all presented with open and accurate disclosure by The Natural Ruby Company. Its size and shape make it versatile for settings that preserve the stone integrity and emphasize the color field, and its slightly included clarity offers a natural character without compromising aesthetic quality. For those building a portfolio of important colored gemstones, this ruby offers a clear case for inclusion as a representative example of contemporary Mozambican material, and it provides the buyer with a durable, wearable, and visually striking gem. We recommend viewing the stone under mixed daylight and standard gemological lighting prior to purchase to confirm appearance in conditions relevant to your intended use, and The Natural Ruby Company is available to provide additional images, precise light performance notes, and third party lab report options upon request.