What are the opening hours?

Monday 08:30 - 17:00 Tuesday 08:30 - 17:00 Wednesday 08:30 - 17:00 Thursday 08:30 - 17:00 Friday 08:30 - 17:00 Saturday 08:30 - 04:00

Gemmological Institute of Colombo - GIC GemLab

Name: Gemmological Institute of Colombo - GIC GemLab
Address: 115A, Havelock Road, Colombo, 00500, LK
Telephone: +94112506932
Rating: 5

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Gemmological Institute of Colombo - GIC GemLab

B P de Silva Group, from their inception in 1872, has been actively involved in the Gems & Jewellery industry.
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Gemmological lnstitute of Colombo (GIC) established in 2005, is a reputed gem testing & certification laboratory in Sri Lanka that provides certification services. Gemmological lnstitute of Colombo (GIC) established in 2oo5, is the only gem testing & certification laboratory in Sri Lanka that provides gem identification and certification services, using highly reliable computer aided gem analytica

l equipments keeping in par with the current international gem certification standards & procedures. Gemological Institute of Colombo (GIC) is a subsidiary of B P De Silva Holdings Pte Ltd, Singapore which came into existence in 1872 and boasts a proud history of over 147 years. The group, a well-diversified conglomerate, always places a high emphasis on quality, modernity & latest technology whilst upholding its business values deep-rooted for generations.

13/08/2026

💙💚 Two colours. One extraordinary gemstone. 💚💙
Meet the mesmerizing Teal Sapphire — where deep ocean blue blends beautifully with lush green, creating a colour combination that is truly unforgettable! 🌊✨
From greenish-blue to bluish-green, every Teal Sapphire tells its own unique story through its natural colour variations. With an impressive 9 on the Mohs scale, this stunning gemstone combines exceptional beauty with remarkable durability. 💎
Which shade would you choose? 👇
💙 Greenish-Blue or 💚 Bluish-Green?
Tell us in the comments! 🔥👇

10/08/2026

💎 SPINEL — More Than Just Red! ❤️💙💚💜
Did you know Spinel comes in an incredible rainbow of colors? 🌈✨
From vivid Red & Pink to rare Cobalt Blue, Purple, Violet, Green, Orange, Yellow & Gray — every color has its own unique beauty! 💎
❤️ Red | 🌸 Pink | 🧡 Orange | 💛 Yellow | 💙 Blue
🔵 Cobalt Blue | 💜 Purple | 🟣 Violet | 💚 Green | 🩶 Gray
✨ One gemstone. So many colors. Which Spinel would you choose? 👇
📌 Save this post for your gemstone knowledge!
📲 Share it with someone who loves gemstones!

06/08/2026

💎 FACT or MYTH? Let's Test Your Gem Knowledge! 👀
any people believe Blue Sapphires are the rarest and most valuable sapphires... but that's actually a MYTH!
✨ FACT:
The true rarity belongs to the Padparadscha Sapphire—a breathtaking pinkish-orange sapphire named after the lotus flower. Originating primarily from Sri Lanka, it's one of the world's most sought-after and valuable gemstones due to its exceptional rarity and unique color.
🔬 At GIC GEM LAB, we're committed to educating gemstone lovers with accurate, science-based gemological knowledge.

💬 Did you know this fact?
Comment "FACT" if you knew it, or "MYTH" if this surprised you!

📍 Visit us for trusted gemstone testing and certification

🔬 At GIC GEM LAB, we're committed to educating gemstone lovers with accurate, science-based gemological knowledge.

💬 Did you know this fact?
Comment "FACT" if you knew it, or "MYTH" if this surprised you!

📍 Visit us for trusted gemstone testing and certification.

03/08/2026

💚 PERIDOT – The Vibrant Birthstone of August 💚
Known as the "Gem of the Sun," Peridot has fascinated civilizations for thousands of years with its brilliant lime-green glow. ✨
🌿 Did You Know?
💎 Peridot is one of the few gemstones that occurs in only one color—green, with shades ranging from yellowish-green to deep olive.
☀️ Ancient Egyptians believed it protected its wearer from evil spirits and brought good fortune.
💚 It symbolizes strength, prosperity, happiness, and positive energy, making it the perfect birthstone for those born in August.
👀 Fun Fact:
Unlike many gemstones, Peridot is formed deep within the Earth's mantle and has even been discovered in meteorites! 🌍☄️
✨ Would you wear this stunning green gemstone?
👇 Tell us in the comments:
💚 Yes or ❌ No
📌 Follow us for more gemstone facts, gem identification tips, and fascinating mineral knowledge!

31/07/2026

💎 CHALLENGE FOR GEM LOVERS & EXPERTS! 💎
Sri Lanka is world-famous for its magnificent gemstones, but only a true gem enthusiast knows the correct answer to this one...
🤔 Which color of Sapphire is the rarest?
Most people instantly guess Blue Sapphire—but is that actually true? 👀 Or does the title belong to the legendary, delicate pinkish-orange Padparadscha?
Drop your answer in the comments below and test your gem knowledge! 👇
Your Options:
A) Blue
B) Pink
C) Yellow
D) Padparadscha
Tag a friend who thinks they know their precious stones! Let’s see who gets it right!

29/07/2026

✨ Not all opals are created equal! Which of these 4 natural varieties is your ultimate favorite? 👇

From the milky, rainbow-hued White Opal to the electric, deep-contrast Black Opal, nature truly showed off with this incredible hydrated silica gemstone! 🎨💎

Here is a quick breakdown of these natural beauties:

🤍 White Opal: The classic icon! A soft white body tone bursting with vibrant rainbow play-of-color.
🖤 Black Opal: The rarest & most striking! Its dark body tone makes vivid color flashes pop like fireworks.
🔥 Fire Opal: Pure warmth! Celebrated for its fiery orange-red glow (often without play-of-color).
🪨 Boulder Opal: Raw beauty! Precious opal intimately bound to its natural ironstone matrix.

💬 Drop your favorite in the comments below! Are you Team Black Opal 🖤 or Team Fire Opal 🔥?

🌐 Learn more about gemstone identification & certification: www.gicolombo.com✨ Not all opals are created equal! Which of these 4 natural varieties is your ultimate favorite? 👇

From the milky, rainbow-hued White Opal to the electric, deep-contrast Black Opal, nature truly showed off with this incredible hydrated silica gemstone! 🎨💎

Here is a quick breakdown of these natural beauties:

🤍 White Opal: The classic icon! A soft white body tone bursting with vibrant rainbow play-of-color.
🖤 Black Opal: The rarest & most striking! Its dark body tone makes vivid color flashes pop like fireworks.
🔥 Fire Opal: Pure warmth! Celebrated for its fiery orange-red glow (often without play-of-color).
🪨 Boulder Opal: Raw beauty! Precious opal intimately bound to its natural ironstone matrix.

💬 Drop your favorite in the comments below! Are you Team Black Opal 🖤 or Team Fire Opal 🔥?

🌐 Learn more about gemstone identification & certification: www.gicolombo.com

24/07/2026

💎 TIME FOR A GEM LAB QUIZ! 💎
Can you identify this gemstone using its unique absorption spectrum? 🔍✨
Here’s your clue:
👉 "The sharp, strong line at 653.5 nm in the red is a key diagnostic feature."
Drop your guess in the comments below! 👇
A) Ruby
B) Spinel
C) Zircon
D) Chrysoberyl

23/07/2026

Unlocking the Science Behind Gemstone Colors! 🌈💎
Color isn't just visual—it’s pure physics!
In gemology, analyzing the Visible Light Spectrum (400 nm - 700 nm) allows us to study how different trace elements inside a gemstone interact with light waves. This precise optical fingerprint helps identify synthetic stones, treatments, and natural origins!
Save this chart for your gemology studies! 📌
🔗 Learn more at: www.gicolombo.com

20/07/2026

Feeling mesmerised by the raspberry red glow of Rhodolite Garnet!
✨ This isn't just any red gem; it's a stunning dance of purple and red that steals the show. Known for its incredible brilliance, it’s like holding a drop of pure, sparkling raspberry wine.

💎 Cushion Cut Perfection 💎
Dive into the fascinating details from the GIC Gem Lab in Colombo. From its impressive hardness to its exotic sources, Rhodolite is truly one of nature's masterpieces.

Which feature of this gem fascinates you the most? Tell us in the comments! 👇

16/07/2026

Two legendary gemstones, one perfect crystal. 💜💛
Ever looked at a gemstone and wondered how nature managed to paint two completely different colors so perfectly in one single piece?
Say hello to Ametrine—the ultimate cosmic collab between royal Amethyst and sunny Citrine!
This stunning bicolored beauty doesn't just look magical; it’s a geological masterpiece. Formed under very specific conditions, the split of purple and yellow is caused by different oxidation states of iron within a single silicon dioxide (SiO_2) crystal.
✨Quick Gem Facts:
💎 Hardness: 7.0 Mohs (perfect for everyday wear!)
⚡ Refractive Index: 1.544 – 1.553
🗺️ Primary Source: The famous Anahí Mine in Bolivia

Are you team Amethyst (purple) or team Citrine (yellow)? Or do you love the perfect split? Let us know in the comments! 👇

Address

115A, Havelock Road
Colombo
00500

Opening Hours

Monday	08:30 - 17:00
Tuesday	08:30 - 17:00
Wednesday	08:30 - 17:00
Thursday	08:30 - 17:00
Friday	08:30 - 17:00
Saturday	08:30 - 04:00

Telephone

+94112506932

Website

https://www.gicolombo.com/

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