Diamond var. Bort var. Framesite

Cullinan mine, Cullinan, Pretoria Dist., Gauteng, South Africa
Ex. David Burgess
Thumbnail, 2.1 x 1.3 x 0.8 cm, 15.8 ct
Start Time: 07/13/2023 7:00:00 pm (CDT)
End Time: 07/20/2023 6:30:00 pm (CDT)
Auction Closed
Winning Bid: $237
View Closed Auction Set

Item Description

A VERY RARE 15.80-carat Framesite Diamond from one of the world's greatest diamond mines. The famous Premier Mine of South Africa, is where the world's largest diamond was found in 1905, the famed 3.106.75 carat Cullinan Diamond. A Framesite diamond is a variety of Bort, a variety of black diamond from South Africa showing minute brilliant points possibly due to included diamonds (visible in specimen) (MINDAT). There is black carbon on the back side. Specimens are rarely available from any worldwide locality since they are mined industrially and turned into powder. They are used as an abrasive and in rock drill bits. Older material with the Ward's label from the David Burgess Collection, for whom Burgessite is named.

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Bidding History

Bid Amount Bid Time
$237 07/20/2023 3:38:32 pm (CDT)
$227 07/20/2023 11:01:05 am (CDT)
$219 07/20/2023 11:01:05 am (CDT)
$200 07/20/2023 11:00:45 am (CDT)
$190 07/20/2023 11:00:45 am (CDT)
$161 07/20/2023 7:22:41 am (CDT)
$151 07/19/2023 1:30:00 pm (CDT)
$141 07/19/2023 1:29:49 pm (CDT)
$139 07/19/2023 1:29:49 pm (CDT)
$129 07/18/2023 9:29:17 pm (CDT)
$119 07/15/2023 4:43:44 pm (CDT)
$111 07/15/2023 4:43:44 pm (CDT)
$109 07/15/2023 4:43:26 pm (CDT)
$99 07/15/2023 4:43:26 pm (CDT)
$89 07/15/2023 4:43:17 pm (CDT)
$79 07/15/2023 4:43:17 pm (CDT)
$69 07/15/2023 12:35:49 am (CDT)
$59 07/15/2023 12:35:49 am (CDT)
$41 07/14/2023 7:00:43 pm (CDT)
$36 07/14/2023 7:00:43 pm (CDT)
$10 07/14/2023 4:23:46 pm (CDT)