13 reviews

This piece is covered under our Sincere Sally Guarantee
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The Nyx tennis bracelet featuring black onyx is a stunning and captivating piece of jewelry that effortlessly combines elegance with a touch of darkness. Each link of this exquisite bracelet showcases smooth, polished black onyx gemstones.

Every order of this piece includes a FREE Black Onyx protection stone as a gift for your home 🖤

Black Onyx is an enigmatic and prized gemstone renowned for its remarkable ability to safeguard against negative energies. Functioning as a potent shield, it effectively transforms negative energies into positive energy, fostering an atmosphere of emotional well-being. Additionally, Black Onyx serves as a protective barrier against the potentially harmful energies emanating from electronic devices, thus contributing to overall health preservation.

When we wear this gemstone, we can feel closer to nature and ourselves. It's like a little light in the dark that helps us find courage and hope when things seem difficult. Hold this powerful crystal close and you will be protected. 

  • Plating: 925 Sterling Silver
  • Materials: 925 Sterling Silver, Black Onyx
  • Measurements: 3mm
  • Hypoallergenic


In-house plating - All pieces are hand crafted by our in-house jewellers ensuring a high standard of working conditions.

Fair pricing - Due to our ethical manufacturing ways and cutting out the middle men, we guarantee fair pricing on all of our pieces so you can enjoy the finer things in life, everyday.

Ethically sourced - Many of our pieces consist of ethically sourced materials. Using recycled Sterling Silver and Moissanite Crystals.

Eco-friendly shipping - Where possible, packaging materials are recycled and reusable.

The Sincere Sally mission - Sincere Sally proudly donates to various charity organisations worldwide. This year they will be putting a portion of profits towards supporting women.


- Sincere Sally Lifetime Guarantee
- Refer to our Jewelry Care page to maintain the longevity of your pieces

Frequently Asked Questions

Q: I have sensitive skin, will this piece turn my skin green or give me a rash? 
A: Not at all! Our pieces are made of either solid 925 Sterling Silver or high quality 14k Gold Vermeil which is 925 Sterling Silver dipped in 14k Gold. This piece is 100% hypoallergenic and will not tarnish nor cause skin disclouring or rashes. 

Q: How much is shipping?
A: We offer FREE worldwide shipping for all orders over $40! Shipping can take 3-7 business days depending on your location. Standard shipping is $4.95 USD, we also offer an express shipping method if you require your pieces within 1-3 business days.  

Q: How do I know my ring size?
You can check your ring size using our ring size chart here: https://sinceresally.com/pages/ring-sizing 


Customer Reviews

Based on 13 reviews
Abigail A.

This bracelet empowers my essence! The Nyx Tennis Bracelet enhances my inner strength, making me feel invincible and protected in every aspect of life.

Zoey Z.

The Nyx Tennis Bracelet whispers harmony into my life. Its elegant and sleek design brings balance and peace, protecting my inner harmony from disruptions.

Yara Y.

This bracelet is my charm of prosperity! The Nyx Tennis Bracelet attracts abundance and success, aligning me with the energies of prosperity.

Xena X.

Wearing this bracelet ignites my spirit with enlightenment. Its exquisite design represents layers of wisdom, protecting and inspiring me to explore my inner brilliance.

Willow W.

The Nyx Tennis Bracelet embraces me with love and protection. Its delicate design symbolizes an everlasting bond, guarding my heart and imbuing me with self-love.

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