Gemlanka / Gem & Jewellery Art Gallery

Gemlanka / Gem & Jewellery Art Gallery Natural Ceylon sapphires Direct from Mines & all precious Gems and semi & Jewellery brings with certified by N.G.J.Authority in Srilanka.

fine qulity garanteied. Established in 1977, trade Experts and the pioneers of Srilankan gem minings and exports for sapphire and other precious gems such Alexandrite, Cats Eyes,

05/02/2026
Natural untreated Unheated  Higher clarity Larger face High Qulity cutting Edges Comes from 1 to 10ct Srilankan 🇱🇰
10/01/2026

Natural untreated Unheated Higher clarity Larger face High Qulity cutting Edges
Comes from 1 to 10ct Srilankan 🇱🇰

19/03/2025

When evaluating the quality of aquamarine, there are several key factors to consider. Use our easy guide to determine the best gemstone for you.

COLOR: Aquamarine is most valuable when it is a deep, even blue without any green. This is known as “Santa Maria” color. Pale stones with grayish tones are less desirable.
CLARITY: Aquamarines should not have visible inclusions. Those that do are usually fashioned into cabochons, beads, or carvings.
CUT STYLE: While most are cut into standard shapes and sizes, high-quality gems are custom cut. Watch out for windowing (large areas where light leaks out the pavilion without being reflected back through the crown).
CARAT WEIGHT: Aquamarines come in all sizes, from small to enormous. It’s difficult for enormous gems to be used in jewelry, so per-carat price can decrease for gems above 25 carats.
LOOK-ALIKE: Some blue topazes look like aquamarine, but aquamarine is much more valuable. Be sure to purchase an aquamarine with a GIA report to be certain of your gem’s identity.

Learn more about how to choose the best aquamarine gemstone for you on our website: https://bit.ly/4kdYDLz

18/12/2024
07/09/2024

Every gem has a story. At GIA, we bring those stories to light through science, discovery and education — inspiring trust and confidence in gems and jewelry for nearly 100 years.

23/02/2024

Hello Thailand! 👋

For the first time ever, the Gübelin Gem Lab is participating at the Bangkok Gem & Jewelry Fair. Come and see us from February 21 to 25 at our booth XX06, to learn more about our latest technological developments and services we are offering to the industry.🧐

Address

35 Elibank Road Hawlock Town
Colombo
00500

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