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Specific Gravity of Ring Metals

A comparison of ring metals by density, showing how different materials vary in weight and how this affects the feel of a ring on the hand.

Titanium

Titanium rings - Specific Gravity of Ring Metals

Specific Gravity

4.5

Very light on the hand

Cobalt

Cobalt rings - Specific Gravity of Ring Metals

Specific Gravity

8.9

Noticeably heavier than titanium

Gold (9ct)

Gold (9ct) rings - Specific Gravity of Ring Metals

Specific Gravity

10.9 – 12.7

Varies by alloy composition

Gold (18ct)

Gold (18ct) rings - Specific Gravity of Ring Metals

Specific Gravity

15.2 – 15.9

Denser than 9ct gold

Palladium

Palladium rings - Specific Gravity of Ring Metals

Specific Gravity

12.0

Heavier than silver

Tantalum

Tantalum rings - Specific Gravity of Ring Metals

Specific Gravity

16.6

Dense and weighty

Platinum

Platinum rings - Specific Gravity of Ring Metals

Specific Gravity

21.4

One of the heaviest ring metals

Understanding specific gravity of ring metals

Specific gravity measures density. It shows how heavy different metals are relative to one another when made to the same size and shape. Understanding specific gravity of ring metals helps explain why some rings feel almost weightless while others feel noticeably solid on the hand.

A metal with higher specific gravity will feel heavier. For example, titanium (4.5) feels significantly lighter than platinum (21.4) when both rings share the same width and profile. This difference in ring weight is due to platinum being nearly five times denser. The specific gravity of ring metals directly determines how a ring feels during daily wear.

Specific gravity values are used to compare ring metal weight directly. They do not indicate durability, scratch resistance, or quality. Actual ring weight will still vary depending on width, depth, profile, finger size, and internal shaping.

Specific gravity provides a consistent reference for understanding metal density and how different ring materials compare by weight alone.

Related material properties

Specific gravity measures weight. For scratch resistance and surface wear data, see Mohs hardness and ring durability. For an overview of how density and hardness work together, see Hardness & Density.

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