Jewellery Australia
What Makes Siara Different
- IGI certified Lab-grown diamonds at 40- 60% less than mined diamonds
- Conflict-free, environmentally responsible luxury
- Lifetime warranty, secure checkout
- Made-to-order design with strict quality checks
NEW IN

PISCA NECKLACE
Channel the calm and strength of the ocean with our Blue Fish Tail Pendant Necklace. This unique piece features a delicately sculpted fish tail adorned with deep ocean-blue stones, symbolizing freedom, intuition, and fluidity. The shimmering silver detail adds a refined touch, making it perfect for both everyday wear and seaside escapes.

Design Your Engagement Ring
NO.1 — Send us your design
NO.2 — Confirm CAD designs
NO.3 — Arrange production
You can create the engagement ring of your dreams
Image comparison


Shop the Feed
Discover premium audio from our Instagram and shop now.
Let customers speak for us

A Place To Find the Lab-Grown Diamond Jewellery, Australia
Lab-grown diamond Jewellery in Australia is available at Siara By Ark, the trustworthy and best price store for the best diamonds. We have made sure to bring such designs to the table that not only look elegant but also are a big-time investment. We are here with what reflects your inner self, so you wear the diamonds as the symbol of your soul.
Best Sellers

We are Gemologists
Diamond Specialists
Use this text to share information about your brand with your customers. Describe a product, share announcements, or welcome customers to your store.
Collection Video
Discover premium audio from our Instagram and shop now.
FAQs
When will I receive my IGI certificate?
Your diamond will be certified by IGI after your order is confirmed. The digital certificate will be emailed to you at the dispatch time, and the physical certificatewill be included with your jewelry shipment.
Why isn't the certificate available immediately?
As a boutique jeweler, we certify each piece individually for our customers,ensuring quality control and the best value. This approach allows us to offer competitive pricing while maintaining the highest standards.
Why is certification done after order?
As a boutique jeweler, we source and certify each piece specifically for you, ensuring the freshest inventory and best value. Your IGI certificate will be ready before shipping.




























































