Hero background

All auctions / Ethnographic / Monarch opal cabochon doublet - 21.05 carats. No reserve! Oval cabochon- 4.21 g

2d 19hFRCatawiki

Monarch opal cabochon doublet - 21.05 carats. No reserve! Oval cabochon- 4.21 g

Monarch opal cabochon doublet - 21.05 carats. No reserve! Oval cabochon- 4.21 g

Magnificent Monarch Opal doublet cabochon. Laboratory-made creation! Total weight: 21.05 carats (4.21 g). Dimensions: +/- 23.20 x 16.85 x 7.20 mm. Photos taken with a lamp and a high-definition camera. Magnificent play of colors! Very fine quality! No reserve price! Ideal for a gemstone collector. Can also be worked for jewelry making. Package shipped via Colissimo with tracking. Customs duties payable by the buyer. Personal reference: Opal Doublet #10

Estimate:$3.35

To the auction

View all items fromCatawikiorEthnographic

Estimate:

$3.35

To the auction

Similar items

Auction results for similar items

Egypt—Probably Roman period - Lot 141
Sold
Emile GALLE (1846-1904) "Glycines"
Sold

Emile GALLE (1846-1904) "Glycines"

09/18/2026

Millon & Associés
FR

$3,445.88

Est: $3,419.31

Details
BURKINA FASO - GURUNSI - Lot 107
Sold

BURKINA FASO - GURUNSI - Lot 107

06/14/2026

Trianon Enchères
FR

$579.57

Est: $460.89

Details
A Coronet Midget Camera
Sold

A Coronet Midget Camera

08/20/2025

Flints Auction
GB

$33.92

Est: $26.9

Details

Upcoming auctions

Jewellery and Watches
Jewellery and Watches auction house logo

OCT 27 | 4:00 PM

Jewellery and Watches

American, European and Ukrainian Fine Art
American, European and Ukrainian Fine Art auction house logo

OCT 23 | 8:00 AM

American, European and Ukrainian Fine Art

October 16 & 17, 2026 Coin Op & Advertising - Las Vegas
October 16 & 17, 2026 Coin Op & Advertising - Las Vegas auction house logo

OCT 17 | 10:00 PM

October 16 & 17, 2026 Coin Op & Advertising - Las Vegas

Bring your auction to collectors worldwide!

Get listed now