HerbertandWilks Jewellery
Kamahi Signet Ring – Sterling Silver & Blue Sapphire Signet Ring
Kamahi Signet Ring – Sterling Silver & Blue Sapphire Signet Ring
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Shipping & Returns
Shipping & Returns
Shipping: We offer tracked courier shipping across Aotearoa New Zealand. Orders are typically dispatched within 2-3 business days (unless marked as 'Made to Order'). Free shipping is available on all NZ orders over $195.
Returns: We want you to love your jewellery. We offer a 7-day return period for an exchange or store credit. Please note that for hygiene reasons, earrings cannot be returned unless they are faulty.
Handmade in Mt Eden
Handmade in Mt Eden
Every piece of HerbertandWilks jewellery is hand-sculpted, cast, and finished by Sally in her Mt Eden studio. By choosing handmade, you are supporting local craftsmanship and receiving a piece that carries the subtle, unique marks of the maker's hand—ensuring no two pieces are ever exactly the same.
Jewellery Care Guide
Jewellery Care Guide
Sterling Silver: Gently polish with a soft jewellery cloth to maintain shine. Silver Care Guide →
Solid Gold (9ct, 14ct, 18ct): Solid gold will not tarnish or peel, but it can gather oils and dust. Soak in warm water with a drop of mild dish soap, then gently scrub with a soft toothbrush to restore its brilliance.
18ct Gold Plate: Avoid water, perfumes, and lotions to preserve the gold layer. Gold Plate Care Guide →
Bronze: Over time, bronze develops a unique vintage patina. Polish to restore brightness or leave to age naturally. Bronze Care Guide →
Gemstones: Clean with a soft, damp cloth. Avoid harsh chemicals or ultrasonic cleaners.
For more detailed tips, visit our Full Care & Sizing FAQ.
Handcrafted sterling silver signet ring with natural blue sapphire – designed for everyday wear and milestone moments. The Kamahi Signet Ring features an organic, textured face with a heat-treated australian sapphire cast directly into the silver.
Key Features:
- Natural blue oval sapphire (7mm × 5mm) – heat-treated and cast in place
- Solid sterling silver construction with organic texture
- Signet-style face (approx. 12mm × 9mm, 3mm depth)
- 3mm band width – comfortable for daily wear
- Currently available in size N (US 6.5 / UK N)
- Custom sizes available on request – each ring is one-of-a-kind due to the casting process
- Handmade in New Zealand
Materials & Craftsmanship:
Each Kamahi ring is individually cast using traditional jewellery techniques. The sapphire is set during the casting process, creating a unique organic finish that varies slightly with each piece. Sterling silver (.925) is hand-finished for a contemporary, textured look.
Perfect For:
Birthstone jewellery (September), everyday signet rings, milestone gifts, pinky rings, stacking rings, contemporary New Zealand jewellery.
Specifications:
- Gemstone: Natural australian blue sapphire, heat-treated
- Metal: Sterling silver (.925)
- Ring size: N (custom sizes available)
- Band: 3mm width, organic texture
- Face dimensions: ~12mm × 9mm × 3mm
- Weight: Lightweight for daily wear
- Origin: Handcrafted in New Zealand
Packaging & Sizing:
Comes in a gift-ready ring box. Optional handcrafted wooden ring box available. Unsure of your size? Purchase a Ring Sizer (includes $9 discount code for ring purchases).
Care:
Sterling silver naturally tarnishes over time. Clean with a silver polishing cloth or mild soap and water. Sapphires are durable (9 on Mohs scale) and suitable for everyday wear.
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