A rose-pink heart wrapped in chains, pierced by spikes, and fused with mechanical gears. Rose Heartcore is where softness meets steel—sweet but spiked, emotional yet armored. Handcrafted from eco-friendly Japanese resin and stainless steel, every piece is uniquely made to order.
Made to order: 2 working days
*For your reference, sizes S and M are generally recommended for women, and size L is typically suitable for men.
If the wearer has a fuller neck or prefers a looser fit, we recommend sizing up for comfort.
Custom lengths are available upon request—please leave a note at checkout.
Rose Heartcore necklace
Size Guide
S (33cm + 5cm extender)
•Neck: 30–33cm
•Women: Height ≤160cm, Bust ≤82cm
•Men: Height ≤170cm, Bust ≤90cm
•Fit: Snug choker fit, highlights the neckline
M (36cm + 5cm extender)
•Neck: 33–36cm
•Women: Height 158–168cm, Bust 80–88cm
•Men: Height 168–175cm, Bust 88–96cm
•Fit: Slightly close to the neck, comfortable & face-flattering
L (42cm + 5cm extender)
•Neck: 36–40cm
•Women: Height 165–172cm, Bust 85–95cm
•Men: Height 172–180cm, Bust 92–102cm
•Fit: Sits above collarbone