Blue diamond purchase
Selling anything Blue diamond has never been easier with Jewel Cafe!
Among the colourless and transparent diamonds, there are a few natural blue coloured diamond “Blue diamond” existed in the world. Why it is blue? Normally diamond shines red and yellow due to the impurities enter during crystallization. But for blue, it has been proven by the compound analysis result that mixture of boron during crystallization changed the colour to blue. However, diamond crystallization process occurs deep in the earth and boron normally does not exist there. Therefore, it can only be said that diamond crystal turning blue is very mysterious. Mostly the blue diamond appears on the market in this world are colour treated diamond. At Jewel Cafe, well trained staffs have many knowledges to appraise your blue diamond. Please be assured that price will be properly set even for melee diamond on a ring or loose diamond without certificate. We buy with high price for the blue diamond with Central Gem or GIA certificate. No assessment fees or processing fees! Totally free of charge. If you are in doubt such as “I don’t even know it is a blue diamond or not.”, “Can I even sell this?”, first of all, please bring your blue diamond and visit the nearest Jewel Cafe. Jewel Cafe is currently enhancing the buying of blue diamonds. Please feel free to contact us. Please also feel free to contact us as we are purchasing various items other than blue diamond.
Blue diamond purchase Ranking
- Ice blue diamond
- In our blue diamond buying, the most common size is melee size. This small size blue diamonds are distributed and mostly they are treatment diamonds. Among the melee, light coloured ice blue diamonds are very popular, and it is expected to be high price buying.
- Blue diamond
- Blue diamond which colour is darker than ice blue, is relatively cheaper price due to its treatment and it is coloured with brown diamonds. Among the old ring brought in by the customers, we often see blue diamond and we will try to buy with higher price in Jewel Cafe.
- Artificial blue diamond
- Relatively cheaper diamond which you usually see in stores are mostly artificial processed (treatment) items. It is obvious once you see the Central Gem or GIA certificate. However, it is a diamond that is still used in the jewellery manufacturing, so there is still value for it.

Don't know what this is cost? Visit our outlet to get your item appraised!
Check Points to sell in higher price!
Please bring together all the accessories when you purchased the watch! Assessment price will increase if you have the box, guarantee card, spare parts, etc. during purchasing!
Please bring to us as soon as possible when you no longer using! Branded item is also leather and metallic. It will deteriorate bit by bit if left untouched.
It is better to sell in bundle! Please bring all the items that you no longer using or wanted to sell together! Estimation price will increase when selling in bundle!
It’s OK if you can easily care! It can also look beautiful with a simple wipe of dust and stain on your bag!
The reason to choose Jewel Café
First in the industry and accepted over 1.7 million items!
Having the most pawn broking outlets in the world
We have more than 200 outlets in Japan. Jewel Café is located in the Shopping Centre, Shop lot, which is convenience for our customers in Malaysia.
Offer very high price to trade your product to us
Jewel Café is offering the higher value of your items compared with others.
Exceptionally high number of return customers
Higher repeat rate of customers due to our better offer, good customer service and cozy environment in Jewel Café.
On-the-spot instant appraisal
Jewel Café is located in the Shopping Centre, Shop lot, which is convenience for our customers. We appraise your items approximately 15 minutes and pay instant cash. You are welcomed to visit the nearest branch.
Free appraisal and delivery
The estimation and Home Delivery Acquisition Service is free of charge. You are welcomed to estimate your items with us. Welcomed to use the LINE estimation for free also.
Excellent and professional
Exclusive privileges specially for you. We provide free jewelry cleaning service, member benefits, complimentary beverages, good quality customer service, and cozy environment.