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Design Your Dreams


Product CustomDesign Engineering


Jewelry – Gold Metal

Diamond  Ring


Princess-Cut Diamond

Custom Made Jewelleries
Selected Masterpieces

Uniqueness of custom made jewellery

Our VIP categories

Bringing forward a collection with an aesthetic appeal for a broad market while ensuring exceptional results is a challenge for any organization. Riva Precision provides a systematic approach to creating timeless designs that are consistently reproduced through the company's in-house capabilities.

Women’s jewellery – Luxurious JEWELS – TAILOR MADE Jewellery

Welcome to kosmima.online one of the biggest jewellery  online and tailor made retailers for women. Our company creates and distributes the most authentic and out of the box jewellery. Every woman is able to find a perfect and unique creation, suitable for herself, or a present for a loved one, our brand new collection can be everyone’s cup of tea. We have a humongous luxury collection of diamonds, shapphires, emerals and many other majestic precions stones to create your dream wedding or engagement rings.

Gold – Extraordinary (outstanding) jewellery

Either your looking for a necklace, or a bracelet or the engagement ring of your dreams, can cover your every need, with
jewellery that will not only win your heart, but also steal the show and captivate all eyes on you.

You can now order a magnificent piece or book an appointment to have a closer look on our collection, so you will be able
to choose the best jem for yourself.

We are much more than an online store, we are a well organized business always ready to cater for our customers.
There is no limit to creativity and the vast seletion of precious stones gives us the ability to design custom made jewellery on order,
based on what our customers desire.
Our collection consists of bracelets made of yellow gold, rose gold or platinum, wedding bands, diamond rings, earings, neckalaces sold individually
or as full sets.
Discover our extraordinary designs that will make you fell unique.

Make your wedding day extra special by choosing a magical ring suitable for a real life princess and live your own fairytale,
with our jewellery fit for pure royalty!

Designs – Hand Crafted jewellery and rings

Now you can order the most beautiful wedding rings, sleek and chic Italian designs and custom designs with kosmima online guarantee.

In our workshop experienced and skilled craftsmen will design, create and deliver the most beautiful jewels also providing the best quality materials.

E-mail us or visit our store in Mykonos.
Our collection is expanding on a daily basis giving you the chance to find everything you looking for.

Platinum – Captivating jems

No matter what you are looking for, we surely got it, either it is a gold platinum or rose gold chain we have it, and even if we don’t, we can custom make it for you.

We give you the chance to co-create with us and your ideas and vision!
So what would you like us to create for you?

In our online store you can find high end jewelry, elegant and precious jems that will make you feel like a queen.

Mykonos jewellery – Athens jewellery

We would like to inform you that in our online store you will find luxurious and precious jewels at extremely low prices and a quality guarantee!

Our vip customers either buy our products online or in our store in Mykonos (Mykonos jewellery, part of Villas Mykonos Rent and Billionaire Club Mykonos)!
We will certainly find the most suitable gift for yourself or any special person in your life, either it is your wife, your mother, your sister or your life partner or anyone really special!
We are in the jewellery industry for more than twenty years and we are by far the best at what we do!

Exclusive Design Jewels

You can order online by using your credit card or paypal account!
You can contact us for any question that might go through your mind or for advice on what would be the most suitable gift!
Our experts will gladly help you out!
Find the best option at the best price, do not hesitate to ask us about unique gems and diamonds!


Athens spiti

Mykonos constructions

Vip Mykonos Concierge

Billionaire Club Mykonos

Jewels - natural aquamarine - diamonds 2

How can we help you?

Whether it be to add to your collection, that firstspecial wristwatch or the restoration of a much lovedheirloom we are here to help.
get in touch

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