There is no gemstone in history that carries the weight of the Ruby. From the crowns of European monarchs to protective amulets, the “King of Gems” commands respect. However, geology is unforgiving. To find a natural, untreated ruby over 5 carats is a statistical anomaly.

This 7.52 Carats Glass-Filled Ruby disrupts the traditional market. It offers the specific mineral density, the iconic “pigeon blood” hue, and the sheer physical presence of a world-class gem, but at an accessible price point of $113. For the collector searching for a Lead Glass Treated Ruby Gemstone that balances massive scale with optical brilliance, this cushion-cut specimen is the answer.

The Science of “Glass-Filled”: Transparency & Trust

At Wikigemia, we prioritize transparency. To make a smart purchase, you must understand exactly what you are buying. This gemstone is Natural Corundum (Ruby) mined in Africa. It is not synthetic.

Visual Dynamics: The 10.93mm Cushion

Measuring 10.93 x 10.38 mm, this stone features a substantial “face-up” size.

• 💎 The “Squarish” Ratio: The nearly 11x10mm dimensions provide excellent finger coverage, maximizing the visible surface area of the red color.
• 🏰 Vintage Aesthetic: The cushion cut combines the fire of a brilliant cut with the soft, rounded corners of an antique “Old Mine” cut. It feels romantic and distinct from sharp modern cuts.

Expert Care Guide

Because this is a composite stone, it has specific care requirements that differ from untreated gems like Sapphire.

1. The Acid Rule: Never use lemon juice, vinegar, or ammonia-based cleaners. The acid can etch the glass filler, causing the surface to look frosted.
2. No Ultrasonics: Do not use ultrasonic jewelry cleaners. Vibrations can disturb the filling.
3. Inform Your Jeweler: If setting this stone, tell the jeweler it is glass-filled so they avoid using direct torch heat.