Heart Lock & Key Pendant Necklace | Waterproof Stainless Steel

Sale Original price was: $29.00.Current price is: $26.50.

Waterproof and sweat-resistant, the Heart Lock & Key Pendant Necklace features hypoallergenic stainless steel and vacuum plating for lasting shine and comfort—perfect for sensitive skin and everyday wear.

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Description
Heart Lock & Key Pendant Necklace | Waterproof Stainless Steel Jewelry

Heart Lock Necklace crafted from waterproof stainless steel is a perfect blend of romantic symbolism and practical durability. Featuring a delicate heart lock and key pendant adorned with sparkling 5A cubic zirconia, this necklace offers a timeless design that suits any occasion. Its hypoallergenic material and sweat-resistant vacuum plating make it ideal for daily wear, even during swimming or workouts without fear of oxidation or fading.

Why You'll Love This Waterproof Stainless Steel Necklace

  • Waterproof and sweat-resistant: Wear it confidently while swimming, exercising, or in humid conditions without tarnishing.
  • Hypoallergenic stainless steel: Safe and comfortable for sensitive skin, preventing allergic reactions.
  • Long-lasting color retention: Vacuum electroplated for a durable finish that won’t fade or peel.
  • Fashionable and versatile: Classic chain style suitable for everyday office wear or casual outings.
Product Detailed Specifications
Material Stainless Steel
Processing Vacuum Electroplating
Style Unisex
Set Composition Necklace Only
Product Code (SKU) TXP299
Chain Style Standard Chain
Pendant Material Titanium Steel
Design Pattern Chain, Heart Lock & Key
Color Options Gold 41+5cm, Steel 41+5cm
Release Season Summer 2025
Style Category Fashion OL, Office Casual
Target Group Women

The Meaning Behind the Heart Lock & Key Pendant

The heart lock and key symbolize love, trust, and connection, making this necklace not only a beautiful accessory but a meaningful gift for someone special or a cherished personal talisman. It represents unlocking the heart and keeping precious feelings secure, perfect for anniversaries, birthdays, or everyday expressions of affection.

Explore More and Care Tips

Complete your look with other elegant pieces from our Heart Pendant Necklaces collection. For detailed advice on styling and maintaining your stainless steel jewelry, read our Stainless Steel Jewelry Care Guide.

For trusted information on hypoallergenic jewelry materials, visit Jewelry Consumer's Hypoallergenic Guide.

🕊️ 1 Year Warranty

At Oumaika Jewelry, we stand behind the quality of every piece.

Our jewelry is crafted from high-grade stainless steel and finished with advanced 18K real gold vacuum plating, ensuring long-lasting shine and resistance to tarnish or fading.

Each piece is thoughtfully designed to accompany you through your everyday moments—sweatproof, waterproof, and always comfortable on the skin. That’s why we proudly offer a 1-year warranty, covering any quality-related issues (excluding lost or deliberately damaged items).

Wear it with confidence. Keep it for seasons.

🎉 Buy 2, Get 1 Free – Code: NEW

Enjoy more for less. Add 3 items to your cart and use code NEW at checkout to get 1 for free.

Perfect for gifting—or treating yourself.

📦 Delivery & Packaging

We ship worldwide and offer fast, reliable delivery. We strive to process all orders within 1-2 days.

You'll also receive tracking information as soon as your order ships, so you can follow your jewelry right to your door.

Packaging: We ship all jewelry in our free custom eco-friendly black gift boxes & protective bubble bags.

💎 Materials | Stainless Steel with 18K Gold Plating

We choose medical-grade stainless steel as our base for a reason:

  • Hypoallergenic: Safe for even the most sensitive skin.
  • Waterproof & Sweatproof: Designed for daily wear—shower, swim, or shine.
  • Tarnish-Free: Our vacuum electroplating ensures your piece stays golden, season after season.

Beautiful, durable, and sustainable—just like you.

🔐 100% Authentic Stainless Steel Jewelry

Authentic Jewelry Certificate – Oumaika Jewelry

At Oumaika Jewelry, authenticity is at the heart of everything we create. Each piece is made from premium 316L stainless steel, carefully crafted and finished with 18K real gold plating using advanced vacuum techniques.

We never deal in replicas, knockoffs, or low-quality imitations. Our jewelry is nickel-free, hypoallergenic, and designed to stay brilliant—sweatproof, waterproof, and tarnish-resistant.

Wear with confidence, knowing your jewelry is 100% genuine and built to last.

💸 Money-Back Guarantee

We want you to love your Oumaika piece. But if something isn’t right, we’re here to make it right.

  • If your jewelry arrives damaged or defective, we’ll replace it or offer a full refund.
  • Returns are accepted within 30 days of delivery (excluding worn or customized pieces).

Your happiness is our priority—our support team is always ready to help.

Visit our Return & Refund Policy page →

🔐 Secure Payment Methods

Shopping with Oumaika is safe, simple, and secure.

We use SSL encryption and industry-grade security to ensure every transaction is protected.

Available payment options include:

  • PayPal (Pay securely—even without an account)
  • Major Credit/Debit Cards
  • Klarna (Buy now, pay later – available in select regions)

We never store your payment info. Your privacy and peace of mind come first.

💎 Best Price Guarantee

We believe in honest pricing. At Oumaika, you’ll always get:

  • High-quality jewelry without the markup
  • No middlemen—we design, produce, and ship directly from our studio to you
  • Transparent pricing that reflects craftsmanship and materials

Find the same quality elsewhere for less? Let us know—we’ll match it.

Frequently Asked Questions

Are these earrings safe for sensitive ears?

Yes! All Oumaika earrings are made from hypoallergenic, surgical-grade stainless steel—perfect for sensitive ears and nickel-free.

Can I wear them in the shower or while swimming?

Definitely. Our stainless steel earrings are fully waterproof and sweat-resistant. You can wear them in the pool, shower, gym, or ocean—no tarnish, no fading.

Are the earrings heavy?

No. Although the design looks bold, they are ultra-lightweight and comfortable for all-day wear.

Is the gold color real?

Yes, the earrings are coated with genuine 18K gold using vacuum plating technology. This ensures long-lasting shine without fading or peeling.

How long does delivery take?

We ship worldwide. Most orders arrive within 5–8 business days after purchase, depending on your location. You'll receive a tracking number to follow your order every step of the way.

Can I return my order if I’m not satisfied?

Yes! We offer a 30-day return policy from the date your items are delivered. If you're not in love, you can easily initiate a return through our return portal or email.

Will my jewelry tarnish or change color?

Not at all. Our jewelry is crafted from high-quality stainless steel with waterproof plating. It won't fade, tarnish, or lose color—even with frequent wear and exposure to water or sweat.

Do I need to register for the 1-year warranty?

No registration is required. Every Oumaika Jewelry piece is automatically covered by our 1-year warranty. Just reach out if you ever need a replacement—we’ll make it right.

Will I be charged customs or duties?

Good news! We cover all customs and duty fees. You won’t pay anything extra when your jewelry arrives at your door.

Will the jewelry look exactly like the photos?

Yes. All photos on our website accurately represent the design, color, and finish of our jewelry. What you see is exactly what you’ll receive—plus, you’re backed by our 30-day return guarantee.

Oumaika Jewelry - Premium Stainless Steel Jewelry

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Oumaika Promise

At Oumaika Jewelry, we stand behind the quality and authenticity of every piece. Our certifications reflect our commitment to excellence in materials, craftsmanship, and brand integrity.

Oumaika Promise

Oumaika brand promise banner featuring 1-year warranty, Buy 2 Get 1 Free offer, eco-friendly packaging, and 18K gold-plated hypoallergenic jewelry

Oumaika Order Process & Timeline

Oumaika Jewelry Order Process & Delivery Timeline Infographic – Hypoallergenic Stainless Steel Necklace Shipping Steps

Factory Productuion Insight

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Our Team - United by Passion for Jewelry

2023

Our Humble Beginnings

Founded in a small workshop with just three passionate jewelers, we began our journey crafting bespoke pieces for local clients. Our dedication to quality and unique designs quickly gained recognition in the community.

2021 Team
2024

Expanding Our Horizons

With growing demand, we moved to a larger studio and welcomed five new artisans to our team. This year marked our first international exhibition, where our collection was praised for its innovative fusion of traditional and modern techniques.

2025

Master Craftsman Joins

Esteemed jeweler Maria Rodriguez joined our team, bringing 25 years of experience in gemstone setting. Under her guidance, we launched our signature collection that won the National Jewelry Design Award.

2023 Achievement

Size Guide




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