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2026 Singapore Diamond Guide

The Gemstone Engagement Ring: What You Need to Know Before You Buy

Created: 22 September 2026 8-10 min read Author: Dianoche Team
The Mohs Scale: Understanding Hardness When selecting a gemstone, the most critical factor is its hardness, which is measured by the Mohs scale. A natural diamond sits at the absolute top with a perfect 10, making it incredibly resistant to scratches. Sapphires and rubies score a 9, making them excellent, highly durable choices for daily wear.
However, other stunning gems like emeralds typically score between 7 and 8.5. This makes them significantly softer, more brittle, and highly vulnerable to chipping or cracking upon impact.
Strategic Setting and Maintenance If you fall in love with a softer stone like an emerald, it must be actively protected. We strongly advise against exposed, high-profile settings. Instead, our master jewelers engineer secure settings—such as a protective bezel (a "cup" of gold) or a tight diamond halo—to shield the gem's delicate edges from direct blows.
Furthermore, maintenance requires extreme care. While diamonds can be easily cleaned with ultrasonic machines and high-pressure steam, subjecting an emerald or a heavily included gemstone to those intense vibrations can cause it to shatter completely. They must be gently cleaned by hand.
The Dianoche Sizing Warning Here is a crucial trade secret: resizing a gemstone ring is a highly risky procedure. Many colored gemstones simply cannot withstand the intense heat of a jeweler's torch during the resizing process. Often, the stone must be entirely unset and removed before the gold band can be altered, which increases the risk of damage. Therefore, we urge our clients to make every possible effort to ascertain the exact, perfect ring size from the very beginning.

Ready to find your perfect color? Book a consultation at our Singapore showroom today, and let our gemologists guide you to a durable, breathtaking gemstone engagement ring.

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