GIA diamond Engagement ring

Welcome to our GIA diamond collection

Raffles GemLab is operated by :

Mr Gary Ong

Consultant Gemologist & Jewelry Designer
FGA (UK) – Member of The Gemmological Association of Great Britain
Diamond Graduate (GIA)
Certificate in Jewelry Design (GIA)

We Sell GIA triple excellet grade diamond that comes with 2 extra important features

  • Excellent Heart & Arrow 
  • Excellent Light Return as seen on AGS Aset Scope

We consider these diamond ” The Best Amongst The Best “

You will notice that our diamond appears extra bright, full of fire and scintillation.

We have available Heart & Arrow scope and AGS Aset scope for customers to check on our diamonds.

PS :GIA triple excellent diamond means

  1. Excellent cut grade
  2. Excellent polish grade
  3. Excellent symmetry grade  

Our diamond are directly imported from diamond cutting factories.

We customize diamond jewellery according to customers requirement.

Within a 30mins discussion, you would gain much essential knowledge about diamond .

What you see in our diamond ?

Upon diamond purchased,customer will verify its laser inscription number using our 40x microscope.

Kindly note that ONLY a very minute percentage of GIA Excellent Cut diamond is able to fulfil these stringent criteria.

Basic diamond knowledge

For an unmount diamond, it is good to note that diamond body color DEF/GHIJ appears colorless to near-colorless to our eyes when we view at its table facet.The brightness ,fire and scintillation we see are actually due to its light reurn to our eyes.

What does AGS ASET SCOPE IMAGE tells you ?
Image of AGS aset scope tells the Light perforamce of a Round Brilliant Cut diamond.
If a Round Brilliant Cut diamond display a HIGH Light Performance image, the physical diamond will appear bigger,brighter,more brilliancy,fire and scintillation to our naked eyes (unaided eyes).

We maintain EX-STOCK Super ideal Cut Diamonds for customer selection :
Carat weight : 0.31 – onwards
Color : mainly D,E,F,G,H
Clarity :mainly IF,VVS1, VVS2, VS1, VS2.

At our showroom,customer will be shown the Light Performance of our HIGH EXCELLENT CUT DIAMOND using AGS aset scope or Ideal scope.We welcome your enquiry.


As a private jeweller,we are able to customize diamond jewellery as per customer’s requirement(ring,pendant,ear-ring, etc)

For more information on diamond, please visit Diamond/Education in this website.

We look forward to meeting-up with you to better understand your needs.