The world's largest yellow diamond tiara and ring were brought over from the UK for this performance./ Photo by Yoshika Suzuki (c) FASHION HEADLINE

“YELLOW BLOSSMS” Happiness Yellow Diamond Collection (Isetan Shinjuku, 1st floor, The Stage)/ Photo by Yoshika Suzuki (c) FASHION HEADLINE

The world's largest yellow diamond was brought over from the UK for this stage./ Photo by Yoshika Suzuki (c) FASHION HEADLINE

The world's largest yellow diamond was brought over from the UK for this stage./ Photo by Yoshika Suzuki (c) FASHION HEADLINE

The world's largest yellow diamond was brought over from the UK for this stage.

The world's largest yellow diamond was brought over from the UK for this stage.

The Paragon (137.92 ct) - 1990, the world's largest D-color flawless heptagon cut diamond

The Lesotho Promise Necklace (223.35ct total) is a necklace featuring 26 D-color, followless diamonds cut from a single rough stone, the 15th largest in history.

The Peacock Brooch (20.02ct) Fancy Deep Blue Pear Shape Diamond Brooch

Solitaire Diamond Ring and Pendant Collection (Pre-sale at Graph Isetan Shinjuku Store to celebrate the first anniversary)

Founder and Chairman Laurence Graff

Diamond Polishing

The mining site