FAQs

What is the turnover time to pick up a report?

Generally, we will have reports ready within 3-5 business days. However, turnover times can fluctuate with our workload, so we will give an estimate upon drop-off of stones.

How much does a Lotus report cost?

See our full Price List. If you would like to inquire about additional services, contact us at This email address is being protected from spambots. You need JavaScript enabled to view it..

Where can I submit stones?

Clients can submit stones in either Bangkok or Colombo.

Bangkok • Head office and laboratory:

Silom 19 Building, 4th Floor, Suite 411
45/1 Soi 19, Silom Road
Silom, Bangrak
Bangkok 10500, Thailand
P: +66 02 117 3616

Colombo • Take-in window:

No. 46 Abdul Caffoor Mw.
Colombo 3, Sri Lanka
P: +94 112 577 885

Does Lotus issue color types such as Pigeon's Blood, Padparadscha, or Royal Blue?

For stones that fall within our color type ranges, we include color types on the report. To learn more, see the Lotus Gemology Guide to Color Types.

Does Lotus issue origin opinions?

Origin opinions are provided free-of-charge for all reports when our testing reveals sufficient gemological evidence to make an origin determination.

I have an emerald. Will Lotus test it?

We only issue reports on ruby, sapphire, and spinel. However, for other stones, we may do verbal reports on a case-by-case basis. Please contact us directly for more information.

Does Lotus offer any services other than gemstone testing?

Lotus does offer gemological photography and consulting on a case-by-case basis. Contact us directly for more information at This email address is being protected from spambots. You need JavaScript enabled to view it..

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