THREE UNMOUNTED OVAL GRAY/BLACK OPALS Mintubi blue/green, 26. 5mm x 18.5mm, 19.40 cts., ca. 1906; Lightning Ridge blue/green, 16.5mm x 12mm, 6.4 cts., ca. 1904; Lightning Ridge blue/green/yellow/red, 16.5 mm x 13.28mm, 8.68 cts.
Auctioneer:
Rago Auctions
Date:
2008-12-07
Three Unmounted Opals, two approx. 8.00 x 6.00 mm, and one approx.16.00 x 8.00 mm. Read more…
Auctioneer:
Skinner
Date:
2015-03-12
THREE UNMOUNTED BLUE GEM SAPPHIRES Cushion cut, 7.52 cts., 11.5mm x 9.4mm; heart-shaped, 4.7 cts., 10.45mm x 9.45mm; oval, 10.5 cts., 12.95mm x 9.5mm. 22.72 Read more…
Auctioneer:
Rago Auctions
Date:
2010-12-05
THREE UNMOUNTED, FACETED TANZANITES; Oval 2.75 cts., 10 x 8 mm.; Oval 1.89 cts., 8.9 x 6.95 mm.; Trillion cut 2.49 cts., 8.34 x 8.31 Read more…
Auctioneer:
Rago Auctions
Date:
2014-04-27
MERMOD & JACCARD EDWARDIAN DIAMOND AND OPAL BROOCH An OEC diamond, approx. .80 ct., centers clover-form cluster of three oval cut opals, largest 16mm, and Read more…
Auctioneer:
Rago Auctions
Date:
2010-12-05
THREE UNMOUNTED LARGE FACETED GEMSTONES; Oval morganite, 34 x 24 x 16.21 mm., 87 cts.; Two golden beryls: Rectangular step cut, 28.5 x 24.5 x Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
THREE UNMOUNTED FACETED TANZANITES; Round brilliant cut 5.1 cts. (10 mm.); Round brilliant cut 9.49 cts. (12.39 mm.); Oval 9.90 cts. (14.57 x 11 mm.). Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
Three Unmounted Colombian Emeralds, two pear-shaped and one oval-cut, approx. total wt. 15.00 cts. Read more…
Auctioneer:
Skinner
Date:
2012-06-13
A sugarloaf rubellite tourmaline, approx. 34.10 cts. by formula; An oval faceted yellow orange tourmaline, approx. 11.64 cts. by formula; An emerald cut green tourmaline, Read more…
Auctioneer:
Rago Auctions
Date:
2017-06-09
THREE LARGE UNMOUNTED OPALS White base bodies with green/red fire. Oval, 34.50 cts.; oval, 55.85 cts.; pear shape, 25 cts. Approx. 115 cts. TW. Note: Read more…
Auctioneer:
Rago Auctions
Date:
2010-12-05
TEN UNMOUNTED GEM OPALS Oval and pear shapes, 44 cts. TW. Note: Unmounted gemstones from the estate of Harry B. Roth, 1913-2008, a longtime member Read more…
Auctioneer:
Rago Auctions
Date:
2010-12-05
