TARGET PRIME DIAMOND G4 Iwao Kosuzu Darts Barrel

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  • Regular price ¥20,800
  • 2 available
Developed in collaboration with professional player Kosuzu Iwao, introducing the DIAMOND G4

This is a soft-tip dart barrel from TARGET, a globally recognized comprehensive darts brand, designed to professional player specifications.

The DIAMOND G4, born from collaboration with Kosuzu Iwao, is a next-generation model that achieves beauty, precision, and performance at a high level. It embodies her continuous evolution both on and off the stage, representing the ultimate evolution in form and feel.

Triple Diamond Ring Design - Harmony of Beauty and Function
The core concept of the DIAMOND G4 is inspired by layered jewelry diamond rings. Each of the three diamond rings features grooves with different depths and shapes, providing a variety of grip sensations and excellent control while reducing slippage. The layered ring structure encourages natural finger positioning, enabling a stable release.

Signature Red Line Modern Diamond Expression
A vivid red line creates a strong visual impact, reflecting Kosuzu Iwao's preferred color. This detail symbolizes energy, confidence, and passion.

Grip & Shape - Pursuit of Accuracy in Every Throw
・Barrel Shape:
Highly versatile and balanced. Smooth handling suitable for a wide range of players.
・Front Section:
Mild shark cut balancing smoothness and responsiveness, designed for easy control.
・Center Section:
Combination of ring cuts and diamond patterns providing distinct feedback and stylish design.
・Rear Section:
Alternating ring cuts and taper cuts deliver moderate and stable grip force.
The overall barrel design supports all grip positions, accommodating diverse throwing styles.

Design and Performance Shine Together
The DIAMOND series continues its lineage of merging competitive performance with fashionable aesthetics. The precise geometric design of the black body with red accents symbolizes strength and individuality.

Stylish, Balanced, Powerful.
DIAMOND G4—The New Pinnacle of Brilliance


Material 90% Tungsten
Weight 18.0g
Length 42.0mm
Max Diameter 6.95mm
Shape Torpedo
Player Kosuzu Iwao
Specification 2BA
Release Date 2026/4/28