Auction
Information

NJK DIAMOND AUCTION Nov 24~Nov 28 2025

Deadline for submission of Auction Items
4 Nov 2025 (received at Japan office)
30 Oct 2025 (receive in Hong Kong Office)
Submission conditions:
- Loose Diamonds: Single Stones must be over 1.00ct in size (price per piece to be over US$ 2,000.00)
- Melees must be minimum 30.00cts and the price per lot to be over US$ 2,000.00.
Preview in Japan
15th (Sat) & 16th (Sun) Nov 2025
NET JAPAN Tokyo Office:
5th Floor, ORIX Ueno 1 Chome Building, 1-1-10, Ueno, Taito-Ku, Tokyo
Preview in Hong Kong
24th (Mon) to 27 (Thu) 2025
NET JAPAN-KOMEHYO AUCTION LIMITED
Unit 2502-04, 25/F, Mira Place Tower A, 132 Nathan Road, Tsim Sha Tsui, Kowloon, Hong Kong
Bidding Starts
24 Nov 2025 10:00 Hong Kong Time (11:00 Japan Time)
Bidding Ends
28 Nov 2025 Hong Kong Time 12:00 noon (Melee) / 14:00 (2:00pm) (Singles)
Extension: 5 min extension if a bid is entered within 5 min to closing time. Extension will continue until no new bid is entered within 5 min to the extended closing time.

Negotiation: Those items that did not meet the Selling Price (only Yellow Icon with Flag, no Red Icon with "MET") shall enter into Negotiation stage.
Conditions for auction participation
US$10,000.00 to be paid in full as deposit prior to previewing of goods.
Submission of signed Net Japan-Komehyo (NJK) Auction Participation Application Form.

The next auction is scheduled for

Feb 28 - Mar 4 , 2026 (tentative date)

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