Analysis & grading

Return Dates

In response to the coronavirus, we have temporarily closed some of our laboratories and others are open with limited capacity. Learn More

Diamonds, coloured stones and pearls submitted to GIA laboratories today will have services completed and be ready for return by the estimated dates noted below. Requesting additional services after receiving laboratory results may lengthen the return time. Estimated return dates are updated daily.

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YOUR ESTIMATED RETURN DATE

D-TO-Z DIAMONDS
Location 4 Carats and Over 2.00 - 3.99 Carats 1.50 - 1.99 Carats 1.00 - 1.49 Carats Under 1.00 Carat
LABORATORY-GROWN DIAMONDS (LGDR)
Location Laboratory-Grown Diamond Report (Under 4.00 Carats) Laboratory-Grown Diamond Report (4 Carats and Over) Laboratory-Grown Diamond Report - Dossier Laboratory-Grown Coloured Diamond Report Laboratory-Grown Colored Diamond Report - Color Indentification
Carlsbad November 6, 2020 November 6, 2020 November 6, 2020 November 6, 2020 November 6, 2020
New York November 6, 2020 November 6, 2020 November 6, 2020 November 6, 2020 November 6, 2020
Bangkok November 6, 2020 ** November 6, 2020 ** **
Gaborone + + + + +
Hong Kong November 11, 2020 ** November 11, 2020 ** **
Johannesburg November 6, 2020 ** November 6, 2020 ** **
Mumbai November 6, 2020 + November 6, 2020 + +
Ramat Gan November 8, 2020* ** November 8, 2020* ** **
Tokyo November 9, 2020 ** November 9, 2020 ** **
Surat November 6, 2020^ + November 6, 2020^ + +
Antwerp ** ** ** ** **
COLOURED DIAMONDS
Location Return Date
COLOURED STONES
Location Return Date
PEARL
Location Return Date

View complete list of services performed at each location.

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*Israel submissions are by appointment only.
**Service not performed at this location. Items will be shipped to another GIA location and shipping charges will be applied.
+Service not performed at this location and hence will not be taken in. Clients may choose to submit to another GIA location.
^Services performed at Surat location are only limited up to 0.69 carats, similar to natural diamonds.