Royal Blue Sapphire Round Shape No Heat | 1.67 ct
Why it caught our eye
This 1.67 ct sapphire is listed with royal blue colour and round brilliant cut. See how its proportions and appearance change as you turn it under different lighting.
Gem details
| Gemstone | Sapphire |
|---|---|
| Gemstone weight | 1.67 ct |
| Colour | Royal Blue |
| Cut | Round Brilliant |
| Dimensions | 6.58mm × 6.55mm × 5.03mm |
| Clarity (listed) | VS (Very Slightly Included) |
| Origin (listed) | Sri Lanka (Ceylon) |
| Treatment (listed) | No heat stated in the listing; ask about any other treatments |
| Laboratory report | GRS (Gem Research Swisslab) |
| Report number | GRS2019-052896 |
Certified Natural Royal Blue Sapphire - No Heat Treatment
Gemstone Specifications
Certification & Authenticity
Why No-Heat Ceylon Sapphires Matter
Ideal For
Classic engagement rings and fine jewelry
Premium gemstone collections
Heirloom pieces to pass down generations
Collectors seeking certified natural Ceylon gemstones
Durability & Care
Sapphires rank 9 on the Mohs hardness scale, making them one of the most durable gemstones—ideal for everyday wear in rings, pendants, and earrings. Clean with warm soapy water and a soft brush. Avoid harsh chemicals and ultrasonic cleaners
View in Person
Experience the brilliance of this exceptional Ceylon sapphire at our Singapore showroom. Schedule a private viewing to see the gemstone under professional lighting and discuss custom setting options with our gemstone specialists
A gemologist's note
Sapphire is available in many colours. Colour and cut both influence its appearance, and treatment is a separate consideration. 'No heat' describes heating status; it should not be expanded into a claim that no treatment of any kind occurred. Learn more about sapphire.
What to explore in person
Compare the colour under different lighting, turn the gem to explore its cut and examine any visible inclusions with our team. Ask about the available report, suitable care and jewellery-setting options if you need them.
See it in Singapore
Enquire about this piece and arrange a viewing by appointment in Singapore. We can confirm current availability, discuss the details and help you decide whether it suits your purpose.