View full screen - View 1 of Lot 617. Important and Perfectly Matched Pair of Unmounted Diamonds 戴比爾斯 重要完美匹配 18.38 及18.38克拉 圓形 D色 Type IIa 鑽石一對.

De Beers

Important and Perfectly Matched Pair of Unmounted Diamonds 戴比爾斯 重要完美匹配 18.38 及18.38克拉 圓形 D色 Type IIa 鑽石一對

Auction Closed

May 12, 03:16 PM GMT

Estimate

2,200,000 - 2,800,000 CHF

Lot Details

Description

The two brilliant-cut diamonds each weighing 18.38 carats.


Accompanied by GIA reports no. 2235260270 and no. 5231260274, dated 16 and 29 April 2026, stating that the diamonds are D Colour, Flawless and Internally Flawless respectively, each with Excellent Cut, Polish and Symmetry, each together with type IIa classification letters, the Internally Flawless diamond together with a working diagram stating that the diamond may be improvable after minor repolishing.

Please refer to our Conditions of Business for Buyers for our Buyer’s Premium in Switzerland. Please note that lot 617 is accompanied by GIA report no. 2235260270, dated 29 April 2026, stating that one of the diamonds is Internally Flawless and not Flawless as stated in the print catalogue, together with a working diagram stating that the diamond may be improvable after minor repolishing.

The Contemporary Celebration: De Beers Diamonds


Today diamonds continue to fascinate not only for their origins, but for the way they interact with light and design. In the hands of master craftsmen, rough stones are transformed through cutting and polishing into objects of extraordinary brilliance. Each facet is carefully positioned to reveal the stone’s natural radiance. A diamond jewel represents two forms of artistry: nature’s creation and human craftsmanship. The result is a work of art designed to be worn.


De Beers diamonds embody this unique dialogue between nature and human creativity. Each stone begins its journey deep within the Earth, formed over billions of years before emerging through ancient geological forces. Carefully selected and expertly crafted, these diamonds reveal the full beauty of their natural brilliance. Their rarity, authenticity and origin make them enduring symbols of elegance and meaning. They are not simply jewels; they are icons of nature itself.


The Enduring Icon


This is the enduring power of a diamond: a fragment of deep time, transformed into light. Diamonds existed long before us, and they will endure long after us. Within their brilliance lives the memory of the Earth’s beginnings, the imagination of countless cultures and the stories of the people who wear them.


Diamonds: Nature’s Rarest Creations

Diamonds are among the most remarkable natural objects on Earth. Formed billions of years ago deep within the planet under intense heat and pressure, they are crystalline records of geological time. Each diamond is unique, shaped by the conditions of its formation and the geological journey that carried it toward the surface. Their unmatched hardness, rarity, and ability to refract and disperse light have made them enduring symbols of purity, strength, and permanence across civilizations.


Throughout history, diamonds have also held powerful cultural meaning. Long before their scientific origins were understood, they were revered in myth and philosophy as objects of protection, enlightenment, and divine energy. Across cultures, they came to represent moments of lasting human significance, celebrations of love, achievement, and memory, helping to establish the diamond as one of the world’s most enduring natural icons.


The Global Journey of Diamonds


Diamonds have long travelled across continents through trade, imagination, and storytelling. In China, the diamond first appeared not as adornment but as a tool capable of cutting jade, the most revered of Chinese stones. Historical records describe it arriving through ancient trade routes, carrying with it knowledge, craftsmanship, and mythic stories from distant lands. Over centuries, the diamond became embedded in Chinese culture through philosophy, literature, and spiritual symbolism, most famously in the Buddhist Diamond Sutra, where the stone represents clarity capable of cutting through illusion. 


A New Collaboration


The unveiling of this pair of perfectly matched round brilliant-cut diamonds (lots 617), each weighing precisely 18.38 carats, marks the beginning of a new partnership between De Beers and Sotheby’s to present exceptional diamonds as cultural works of art. These diamonds will headline Sotheby’s international auction moments starting in Hong Kong, Geneva, and New York. Each diamond will be showcased with curated storytelling highlighting the origin, craftsmanship, and cultural significance.