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Sailboat Specifications

Yachting World Diamond

Fractional Sloop · Fin Keel W/Bulb

Designed by Jack Holt · First built 1961

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LOA 30.12 ft  ·  Beam 9.84 ft  ·  Displacement 2,370.00 lb  ·  Sail Area 280.00 ft²  ·  Fractional Sloop  ·  Fin Keel W/Bulb
About the Yachting World Diamond Sailboat

A classic British design with a long-standing reputation in dinghy sailing circles, the Yachting World Diamond earned its place as a reliable and accessible small boat for sailors looking to develop their skills on sheltered and coastal waters. Produced in the mid-twentieth century and associated with the influential Yachting World magazine, the Diamond was part of a broader effort to bring affordable, manageable sailing to a wider audience during an era when the sport was rapidly expanding in the UK. Designed with simplicity in mind, the Diamond appeals to those who value straightforward handling and ease of maintenance over high-performance complexity. Its modest proportions make it well suited to inland lakes, estuaries, and protected coastal sailing rather than serious offshore passages. The boat has a loyal following among classic dinghy enthusiasts, and examples occasionally surface through heritage sailing communities and vintage boat events. For buyers researching the Diamond today, it represents an opportunity to own a piece of British sailing history. It suits newcomers to the sport as well as nostalgic sailors seeking a characterful, unpretentious boat for relaxed recreational sailing.

Dimensions & Specifications
LOA (Length Overall) 30.12 ft / 9.18 m
LWL (Waterline Length) 23.95 ft / 7.30 m
Beam 9.84 ft / 3.00 m
Max Draft 4.27 ft / 1.30 m
Displacement 2,370.00 lb / 1,075 kg
Ballast 1,120.00 lb / 508 kg
Sail Area (Reported) 280.00 ft² / 26.01 m²
Design & Construction
Hull Type Fin Keel w/bulb
Rigging Type Fractional Sloop
Construction Plywd. Alum. FG double chine
Designer Jack Holt
First Built 1961
Related Sailboats Westerly 30 · Sagitta 30 · Allegro 30 · Cal 2 30 · Yankee 30 Mki
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Frequently Asked Questions

What is the Yachting World Diamond's sail area to displacement ratio?

The Yachting World Diamond has a Sail Area to Displacement ratio (SA/D) of 25.26. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Yachting World Diamond's comfort ratio?

The Yachting World Diamond has a Ted Brewer Comfort Ratio of 6.75. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Yachting World Diamond safe for offshore sailing?

The Yachting World Diamond has a Capsize Screening Formula value of 2.96. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Yachting World Diamond?

The theoretical hull speed of the Yachting World Diamond is 6.56 knots, calculated from its waterline length.

How much does a Yachting World Diamond weigh?

The Yachting World Diamond has a displacement of 2,370.00 lb and a length overall (LOA) of 30.12 ft.

Who designed the Yachting World Diamond?

The Yachting World Diamond was designed by Jack Holt, first built in 1961.