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925 sterling silver vintage opal ring on hand
blue opal unisex solid sterling silver jewelry on her hand
blue australian opal statement ring



Echoing the intriguing nature of the virgin Balinese jungle, Uku is designed with branches entwining together to embrace the Australian triplet opal in the middle.

The opal is glowing like a sparkling rainbow emerging from the branches in the jungle. Uku is the treasure from the Mother Nature, a mystic gift for those who are enchanted by the nature.

The antique finish of Uku highlights the unisex design of the ring, making it an ideal piece for every one. 





• Finest solid 925 sterling silver

• Band width: 2.8 - 7 mm

• 100% natural Australian triplet opal

• Stone size: 7 x 5 mm

• Antique finish

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Australian Triplet Opal

Indulge in the natural beauty and everlasting allure of our Australian triplet opals, crafted from the finest rough opals sourced from the world-renowned Australian Opal fields. Each opal boasts a unique, ever-changing pattern of colours that will capture your heart and make you feel truly special.

Experience the protective and harmonizing energy of the opal, a stone associated with love and passion, and said to bring emotional stability. Our triplet opals are a true work of art, meticulously crafted with three layers bonded by modern adhesive cured with UV light for a secure and long-lasting finish.

Adorn yourself with our stunning triplet opals, and feel the hypnotizing sheen of this gemstone radiating with the abundance of Mother Nature. Our opals are truly one-of-a-kind and highly sought-after, making them a perfect gift for a loved one or a cherished addition to your own jewelry collection.


Ring Size and Fitting

We use standard US ring sizing throughout the shop; meanwhile we are more than happy to help you figure out the right size in other measuring scales (e.g. UK, Australian, European). Please refer to our FAQ page for details.

To save your time and money, we highly suggest you get an accurate size before purchasing.

Turnaround Time of Order

We need around 5 to 10 days to prepare and ship our silver items; while 1 to 2 weeks for our gold items.

In case you have a tight schedule, no worries, we are 100% here to help! You can use our RUSH order service – turnaround 3 business days.

Custom Orders and Personalization

Let us know in advance if you would like to switch the stone of your item to another kind, upgrade the stone and/or change the kind of metal your jewellery to be made of. Additional charge may apply.

After-Sales Support

We provide an After-Sales Support for our items in the shop. In other words, all our items are made with quality, they will last as long as they came if they are taken care of. For more information, please refer to our Jewelry Care section.

If you need to have your ring re-sized, just message us, we are happy to do that for you!


Fast shipping

We ship your jewellery with Express International Delivery.

EXPRESS worldwide shipping for all orders:
4 - 14 days.

Please refer to our Ordering & Shipping page for details.

Order tracking

After your order is shipped, you will receive a tracking number, so you can always keep track of your parcel.

Customs & Import Tax

Buyers are responsible for any customs and import taxes that may apply. We are not responsible for delays due to customs.

About us

Beauty of the Wild Nature

The beauty and glamour of wild nature is the centre piece of Cobali.

May it be leaves, vines or branches, the essence of the wilderness is captured in all the items you can find in Cobali.

teak wood jewelry box nature inspired packaging

Unique Packaging

Extending from our love of the wild nature, we secure your precious piece right in the middle of our custom-made teak wood box, inside a craft paper box sealed with wax, before being shipped to you and your loved ones around the world.

Ethos & Sustainability

We do our very best to give it back to our Mother Nature, as we see sustainability as an authentic and holistic way to go.

We believe that every small step we make on the way counts, providing transparency and positive impacts to all the people and beings on the planet.

Use coupon code WELCOME10 for 10% off your first order.


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