SSEF

SSEF is a non-profit Swiss foundation whose aim it is to further the science of gemstone testing and gemmological training.

[SSEF @SSEFgemlab]

Interested in taking gemmological courses at SSEF in #Basel Switzerland? Read our upcoming schedule to see if one interests you!

https://t.co/qUIs2SUSV7

~ Advanced Jewellery
~ Scientific Diamonds
~ Advanced Coloured Gems
~ Scientific Gemmology

[SSEF @SSEFgemlab]

Join us for the live presentation of ASDI-500 (screening diamonds down to 0.5mm size) at the Antwerp Diamond Bourse on Thursday March 21st!

#TheScienceOfGemstoneTesting #Diamonds #Antwerp

[SSEF @SSEFgemlab]

Tourmaline: Octagonal 'emerald' cuts are popular for tourmalines as these suit the stone's naturally long habit. However, other suitable cuts include pear, cushion, oval and in marquise style. #Gemology #Gemmology

Take our FREE Online Masterclass today! https://t.co/Ga4NB57ww5

[SSEF @SSEFgemlab]

#SSEF will be in Hong Kong 23 February – 04 March offering our on-site testing services, during the upcoming #HongKong Jewellery and Gem Fairs.

https://t.co/pSOIc1Z7fc

[SSEF @SSEFgemlab]

The #Gemstone #Tourmaline has been appreciated for more than 2000 years due to their extremely varied nature and the extraordinary array of colours they can be found in. ~ SSEF GemLab ~ #Gemology #Gemmology

Take our FREE Online Masterclass today!

https://t.co/Ga4NB57ww5

[SSEF @SSEFgemlab]

Opening Day of the #TucsonGemShow !

SSEF is set up in the Tucson Convention Center at the @agta_gems GemFair in the East Galleria.

More Details: https://t.co/oUfuA7uvfH

[SSEF @SSEFgemlab]

Dr. Michael S. Krzemnicki (director of #SSEF) will be taking part in the GILC Conference on January 29th in #Tucson. Topic: Low Temperature Heat Treatment in Corundum.

Details & Registration: https://t.co/Rx19N20TH9

#Gemmology #Gemology #TucsonGemShow

[SSEF @SSEFgemlab]

🌵 SSEF is looking forward to taking part in the upcoming edition of the AGTA GemFair in #Tucson (AZ, USA).

📍 (30 JAN-04 FEB 24) Tel: [phone] (Number used only during #AGTA GemFair in Tucson)

For more details:

https://t.co/KPKTfNy0P1

[SSEF @SSEFgemlab]

2023 Auction Highlight Retrospective • The 'Estrela de Fura' ruby, weighing 55.22 carats. Sold by Sotheby's New York for USD $34,804,500 in June 2023 with SSEF report 127611. Photo: Sotheby’s. ~ #Jewellery #Ruby #Gems

[SSEF @SSEFgemlab]

SSEF Travels ~ We are in #Bangkok through January 19th offering our on-site #gemstone testing services. Our office is located in the gem trade district on Silom Road. Please visit the link below for more details, including contact information. #BKK

https://t.co/vI6K0Tjc5Q

[SSEF @SSEFgemlab]

SSEF News ~ We will be in #Bangkok 10-19 January 2024 offering our on-site #gemstone testing services. Our office is located in the gem trade district on Silom Road. Please visit the Link for more details including contact information. #BKK

https://t.co/vI6K0Tjc5Q

[SSEF @SSEFgemlab]

To start off the new year, we will be sharing some auction highlights from 2023 (3/5)

#Emerald and Diamond Bracelet sold by Sotheby's Hong Kong in October 2023 for 11,340,000 HKD with SSEF Report 132361. Photo: SSEF.

#Gemmology

[SSEF @SSEFgemlab]

To start off the new year, we will be sharing some auction highlights from 2023 (2/5)

Imperial Blossom Jadeite and Diamond Parure (total 180.20 ct jadeite) sold by Sotheby's Hong Kong for 20,415,000 HKD in October 2023 with SSEF Report 132360. Photo: SSEF / #Jade #Gemmology

[SSEF @SSEFgemlab]

To start off the new year, we will be sharing some auction highlights from 2023 (1/5)

Natural pearl and diamond brooch, circa 1865 sold by Sotheby’s Geneva in Nov 2023 for 863,600 CHF with SSEF Report 131216. Photo: Sotheby’s ~ The Science of Gemstone Testing #Gemmology #Pearls

[SSEF @SSEFgemlab]

The SSEF lab will be closed for the holidays from Dec 21st-Jan 2nd. We will reopen on Jan 3rd 2024.

Our whole team would like to thank you for your confidence in our services. We wish you peaceful holidays and look forward to working with you in 2024.

https://t.co/uDtvyEyLhC

[SSEF @SSEFgemlab]

SSEF at Auction / Jewels from the Lab ~ Unheated Burmese #Ruby of 13.01 ct in a ring by JAR. Sold at Christie's Geneva November 2020 auction for $1,040,000 USD. Photo: Christie's. ~ The Science of Gemstone Testing
.
https://t.co/bbuYLSJtxr
.
#Gemmology #Gemology

[SSEF @SSEFgemlab]

"JewelsFromTheLab" ~ #Emerald and gold Sautoir with a hexagonal step-cut emerald of 172.41 carat (Colombia, minor oil). Realised $537,500 USD at the Christie’s December 2020 auction in New York. Photo: Christie’s. ~ #SSEFgemlab

[SSEF @SSEFgemlab]

Rhodolite Garnet ~ This name is given to garnets with pinky/purply/reddish hues.

Want to learn more about Garnets? Then take our latest free online masterclass course!

https://t.co/k3vKRqbcKT

[SSEF @SSEFgemlab]

SSEF at Auction / Jewels From The Lab ~ Exceptional earrings with Kashmir Sapphires (16.23 ct & 2.69 ct) and diamonds, sold for $3.07 million USD at Christie‘s Hong Kong in May of 2017. Photo by SSEF ~ The Science of Gemstone Testing ~ #Sapphires #Gemas #Gemmes #Jewellery

[SSEF @SSEFgemlab]

SSEF at Auction ~ Art Nouveau ring by René Lalique with Ceylon sapphire, sold for $240,000 USD at Christie's Geneva, November 2017. Photo: SSEF. ~ The Science of Gemstone Testing / #Gemmology #Gems #Jewellery