top of page


One of the Four C's: Cut and Diamonds
One of the Four C's: Cut and Diamonds. Often overlooked but possibly the most important of the 4 C's, we explain the importance of Cut.

Ostara London
3 min read


One of the 4 C's: Carat and Diamonds
One of the 4 C's: Carat. We explain what carat size means and what to consider when buying a diamond.

Ostara London
3 min read


One of the 4 C's: Clarity of Diamonds
Inspecting the Clarity of the Diamonds Diamonds are graded on four key characteristics: cut, colour, carat, and clarity. While many focus...

Ostara London
3 min read


One of the 4 C's : Colour in Diamonds
When it comes to evaluating the quality of a diamond, colour plays a significant role. The colour of a diamond is one of the "Four C's,"...

Ostara London
2 min read


Caring for diamond jewellery - you must clean it!
Our Guide to Cleaning and Caring for your Diamond Jewellery - if you want it to sparkle as much as when you first bought it.

Ostara London
2 min read


What are the 4 C's?
When it comes to buying diamonds and diamond jewellery, understanding the 4 C's is crucial to making an informed decision and knowing...

Ostara London
2 min read


Why avoid gold plated or gold vermeil jewellery?
Don't be fooled by those selling gold plated or vermeil jewellery for inflated prices. Whilst there may be a place for these metals in the i

Ostara London
1 min read


Solid Gold and Platinum Jewellery
When it comes to our jewellery, we only use solid gold, platinum and other metals, because we want to make jewellery that lasts a lifetime.

Ostara London
2 min read


Why choose Lab Grown Diamonds?
Lab-grown diamonds offer a sustainable, ethical & affordable alternative to mined ones.They are physically, chemically & optically the same.

Ostara London
1 min read
bottom of page