Hero background

All auctions / Jewelry & Gems / Nikos Koulis Sapphire and Diamond 'Universe Line' Ring

9d 17hGBChristie's

Nikos Koulis Sapphire and Diamond 'Universe Line' Ring

Nikos Koulis Sapphire and Diamond 'Universe Line' Ring

Oval-shaped sapphire of 9.41 carats, triangular-shaped, baguette-cut and round diamonds, 18k white gold, unsigned Gübelin, 2026, report no. 26070030: 9.41 carats, Sri Lanka (Ceylon), indications of heating Nikos Koulis, 2017: Certificate Diamonds: for a stated weight of 2.46 carats Size/Dimensions: EU ring size 62 / US ring size 10 Gross weight: 13.0 grams

Estimate:$14,529.04

To the auction

View all items fromChristie'sorJewelry & Gems

Estimate:

$14,529.04

To the auction

Similar items

Auction results for similar items

(2510-222) RING, förgyllt silver, camé med granatkrans. 19/2000-tal.
Sold

(2510-222) RING, förgyllt silver, camé med granatkrans. 19/2000-tal.

10/16/2026

Stadsauktion Sundsvall
SE

$50.44

Est: $100.47

Details
RING MED VIT OPAL, 18K GULD.
Sold

RING MED VIT OPAL, 18K GULD.

10/16/2026

Björnssons Auktionskammare
SE

$363.18

Est: $301.41

Details
SMYCKEN, silver mm, totalvikt 44 gram.
Sold

SMYCKEN, silver mm, totalvikt 44 gram.

10/16/2026

Växjö Auktionskammare
SE

$76.06

Est: $60.28

Details
ÖRHÄNGEN SAMT RING, 18K GULD.
Sold

ÖRHÄNGEN SAMT RING, 18K GULD.

10/16/2026

Björnssons Auktionskammare
SE

$1,008.84

Est: $1,205.65

Details

Upcoming auctions

Best of Auktion
Best of Auktion auction house logo

Best of Auktion

Jewellery and Fine Art
Jewellery and Fine Art auction house logo

Jewellery and Fine Art

Jewellery and Watches
Jewellery and Watches auction house logo

OCT 27 | 4:00 PM

Jewellery and Watches

Bring your auction to collectors worldwide!

Get listed now
Nikos Koulis Sapphire and Diamond 'Universe Line' Ring