Origin: Udachnaya Mine, Yakutia, Siberia, Russia
Sample size: 1.1 x 1 x 1 cm (6.2 carats)
Origin: Congo
Sample size: 8 x 8 x 8 mm, weight: 7 carats (top), 3-6 mm on edge (bottom)
Mackle twin
Origin: South Africa
Sample size: 12.96 carats & just over 1.5 cm on edge (top/2nd row left), 3.25
carats & just over 1 cm on edge and 3 mm thick (2nd row right), 3.15 carats &
1.3 x 1.1 x 0.25 cm (interpenetrating mackle twins, 3rd row), 10.65 carats &
just over 1.5 cm on edge (4th row), 7.89 carats & just over 1.3 cm on edge
(5th/bottom row)
Diamond with carbon inclusion
Origin: Russia
Sample size: 6.28 carats & 1.3 x 1.1 x 0.6 cm
Origin: South Africa
Sample size: 0.55 x 0.51 cm
Macle twin
Origin: South Africa
Sample size: 4 x 4 x 1 mm (left), 5 x 5 x 1 mm (right)
Photo courtesy of:
