Blog - LusterBlue

16 Dec

‘Queen of Asia’: World’s largest corundum sapphire pebble unveiled in Sri Lanka

December 16, 2021
Posted by m3a

Sri Lanka, which is very well known as the gem island all over the world proves its majesty again with the world's largest natural corundum blue sapphire. Recently local people accidentally found the world’s...

27 Jul

Blog, News

World’s largest star sapphire cluster found in Sri Lanka

July 27, 2021
Posted by m3a

How would you feel when you found a gemstone in your backyard? How would you feel when you are a gem trader at the same time? How would you feel when the stone you...

22 Mar

Blog, Education & Editorials

Some local words used in the Gem Industry of Sri Lanka

March 22, 2021
Posted by m3a

Every industry has its terminologies used by its professionals. Being one of the most precious gemstones producers in the world, Sri Lanka has its own local words used in the gem industry since ancient times.

09 Oct

Blog, Education & Editorials

Regions Where Sapphires are Mined

October 9, 2020
Posted by m3a

Sapphires come in several colors and variety and are mined in many locations worldwide for centuries to date. It’s mined in the same way as it was mined years back. Mostly it comes from...

15 Sep

Blog, News

The most popular e-commerce website in Sri Lanka

September 15, 2020
Posted by m3a

Once again Lusterblue.lk honoured by our beloved customers by being, The Most Popular Website in e-commerce category & Bronze Award in best e-commerce category of BestWeb.LK 2020. 😊 Thank you everyone who voted us and...

09 Jul

Blog, Education & Editorials

Ceylon Padparadscha Sapphires ( King Sapphire )

July 13, 2020
Posted by m3a

When it comes to sapphire world there are plenty of sapphires in different colors. Among that Padparadscha sapphires are one of the extremely rarest kind of sapphire and its uniqueness and rarity is extremely...

26 Jun

Blog, News

A Tanzanian miner became a millionaire overnight.

June 30, 2020
Posted by m3a

“A Tanzanian subsistence miner hit the jackpot on Wednesday after the government handed him a cheque for 7.74 billion Tanzanian shillings ($3.35 million) for the two largest tanzanite gemstones ever found” (NDTV, 2020 ) 52...

25 Jul

Blog, Education & Editorials

Ceylon Star Sapphire Cutting Process

June 30, 2020
Posted by m3a

Star Sapphires are constantly cut into a Cabochon shape with a high vault. This is the main way that the sparkling star will be seen from the stone. Miners and direct purchasers just trust...

05 Jul

Blog, Education & Editorials

The difference between Unheated and Heated Sapphires

May 2, 2021
Posted by m3a

Anyone shopping for sapphires or any other gemstone is likely to come across natural stones or heated stone. In the history of treatment of sapphires, the process of applying heat treatment to improve the...

22 May

Blog, Education & Editorials

Sri Lankan Blue Sapphire

May 2, 2021
Posted by m3a

Sri Lanka’s gem industry has a very long and colorful history. Sri Lanka was affectionately known as Ratna-Dweepa which means Gem Island. The name is a reflection of its natural wealth. The blue sapphires from Sri Lanka are...

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