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6 lots
Natural Diamond Auction
A rare opportunity to own nature’s most enduring treasure. This exclusive auction features a curated collection of certified natural diamonds — each one unique, timeless, and ethically sourced. From dazzling solitaires to investment-grade stones, every lot has been selected for its brilliance, clarity, and character.
Location:
Brock House, 19 Langham Street, London, London W1W 6BP, GB
Lots open for bidding:
Sep 19, 2025, 14:45:00 UTC
Lots start to close:
Sep 25, 2025, 24:00:00 UTC
Extended bidding:
2m
Buyer premium:
15.0% of hammer price
10%
You'll earn up to10% of your bid if outbid and reserve is met. How?Sort by:
Lot 1
Harry Winston Natural Blue Sapphire and Diamond Ring
Oval mixed cut
Winning bid
6,000.00 CAD
Ended
39d ago
Lot 2
10 Carat Yellow Diamond Ring
Fancy Intense Yellow Diamond, Diamond, Platinum, Gold Ring, Underwood's
Winning bid
10,000.00 CAD
Ended
39d ago
Lot 3
15.10ct Fancy Vivid Blue Diamond
De Beers Cullinan
Winning bid
5,000.00 CAD
Ended
39d ago
Lot 4
Williamson Pink Star Diamond Ring
11.15 carats
Current bid
0.00 CAD
Ended
39d ago
Lot 5
Fancy Vivid Blue Diamond
Round shape
Current bid
0.00 CAD
Ended
39d ago
Lot 6
Pink Diamond
10.57 carat
Current bid
0.00 CAD
Ended
39d ago