7.12 Ct. Bi Color / Parti Sapphire from Ceylon (Sri Lanka)

This exquisite transparent 7.12 carat emerald cut bicolor parti sapphire measures 11.55 x 9.78 x 6.72 mm, and it stands out with a stunning interplay of hues that shift from warm golden lemon to subtle olive and honey tones depending on the light. The faceted emerald cut amplifies the gem clarity, producing broad, elegant step facets that emphasize color zoning and internal brilliance rather than masking it, and the excellent polish ensures each facet catches light with crisp, clean reflections. Graded as very slightly included at eye level, this sapphire offers a balance of visual purity and natural character that many collectors and connoisseurs prefer over stones that have been overworked or overly enhanced. Origin Ceylon Sri Lanka, heat treated to achieve stable and attractive color, this piece embodies the classic refinement and accessible luxury for which The Natural Sapphire Company is renowned.

Compared to other sapphires available on the market, this particular bicolor parti example is rare for its evenness of tone and the depth of color intensity relative to its transparency. Many commercially available parti sapphires show either muted color or heavy inclusions that detract from their appearance, or they are small in size and hard to set in striking jewelry designs. This 7.12 carat stone offers a sizable presence while remaining eye clean to most observers, creating a luxurious statement without the premium price tag of flawless stones. In the current market, heat treatment is an accepted and stable enhancement for sapphires, especially for those sourced from Ceylon where skilled lapidaries have long used controlled heat to unlock the optimal hue and clarity in natural rough. The result is a gem that retains its natural origin and character, while offering the visual impact many buyers seek, and when compared to lower grade or heavily treated alternatives, this sapphire represents superior value and lasting beauty.

Durability is a key consideration when choosing a gemstone for everyday wear, and on the Mohs hardness scale this sapphire rates a 9, making it one of the hardest natural gems available short of diamond. For perspective, diamond is a 10, topaz rates an 8, quartz a 7, and emerald which is a variety of beryl typically falls around 7.5 to 8 but is often much more fragile due to natural inclusions and cleavage. The higher hardness of corundum gives sapphire excellent resistance to scratches and everyday abrasion, and the lack of pronounced cleavage compared to stones like topaz means it is less likely to cleave under impact. This inherent toughness makes a 9 Mohs sapphire an outstanding choice for engagement rings and daily wear jewelry, where durability and longevity matter as much as color and cut. While no stone is indestructible, and care should be taken to avoid hard knocks and extreme thermal shock, this Ceylon parti sapphire combines resilience with a size and cut that will perform beautifully in a variety of settings.

When you consider provenance, cut, clarity, color, treatment and value together, this 7.12 carat emerald cut bicolor parti sapphire stands out as a superior option for buyers seeking something distinctive yet reliable. The Natural Sapphire Company sources and evaluates each gem with rigorous standards, so customers receive full disclosure about origin and enhancement, and detailed measurements and clarity observations are provided so you can make an informed choice. This sapphire offers collectors and designers a large, well proportioned stone that can be set to highlight the color shift, or used as the centerpiece of a bespoke design that leverages the geometric elegance of the emerald cut. In comparison to smaller or lower clarity parti stones, and to other colored gems of similar hue but lesser hardness, this sapphire delivers the best combination of aesthetic uniqueness, practical durability, and long term value. If you seek a statement gem that marries natural character with everyday wearability, this Ceylon emerald cut bicolor parti sapphire from The Natural Sapphire Company is an exceptional candidate.