National Jeweler Network

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Antiquorum’s top lots

Antiquorum’s top lots Made in 1992, the Patek Philippe Ref. 3974 minute-repeating perpetual calendar self-winding watch in platinum has leap year indication and moon phases. After a ... Read More »

Antiquorum’s highlights

Antiquorum’s highlights This Patek Philippe Ref. 1489 solar-powered and electro-mechanical “Poissons Des Caraibes” brass table clock, produced in 2004, is expected to sell for up to ... Read More »

Sotheby's Nov. 12 watch auction

Sotheby's Nov. 12 watch auction Born in 1818, Sir Richard Wallace was the illegitimate son of Richard Seymour Conway, the fourth Marquis of Hertford. He inherited his father’s fortune, ... Read More »

Top sellers at Antiquorum

Top sellers at Antiquorum The top lot of the auction, this Patek Philippe Ref.5104P Platinum Minute Repeater Perpetual Retrograde Calendar Skeletonized is described as "extremely fine, ... Read More »

Procop’s traveling emeralds

Procop’s traveling emeralds Dr. A. Peretti, of the Gem Research Laboratory in Switzerland, noted in the certification of the stone that it is “arranged in an aggregate of a series of ... Read More »

Antiquorum’s Hong Kong sale

Antiquorum’s Hong Kong sale This Patek Philippe Ref. 5004J has a pre-sale high estimate of about $400,000. Print Antiquorum’s Hong Kong sale The Richard Mille “Tourbillon Prototype” ... Read More »

Sotheby’s Geneva Important Watches

Sotheby’s Geneva Important Watches This extremely rare limited-edition platinum Blancpain watch is an automatic minute repeating perpetual calendar split-seconds chronograph with tourbillon, ... Read More »

Antiquorum’s top lots

Antiquorum’s top lots The Patek Philippe Ref. 5004A was the second-highest grossing lot of the sale, garnering approximately $560,470. The limited-edition timepiece came in a fitted ... Read More »

Antiquorum’s top lots

Antiquorum’s top lots This platinum Rolex Ref. 1831/1850, made in 1977, is tonneau-shaped and self-winding with center seconds. The fourth of eight pieces to surface at auction, it ... Read More »

Advertising Opportunities

Advertising Opportunities Advertising Opportunities Submit an Ad Download the 2014 National Jeweler Media Kit  (PDF) Download information on our Digital Edition  (PDF) David Stier Sales ... Read More »

Gem-A’s latest journal now available

Gem-A’s latest journal now available Gem-A released Vol. 34, No. 2, 2014 of The Journal of Gemmology Monday. Topics covered in the issue include diamond screening devices and a new ... Read More »

Gemstone collection notches 9 world records

Gemstone collection notches 9 world records The Ophir hibonite, 23.66 carats, holds the world record for the largest cut hibonite in the world. Atlanta--Guinness World Records has recognized ... Read More »

Gemfields’ first ruby auction nets $34M

Gemfields’ first ruby auction nets $34M Gemfields held its first auction of rough rubies and corundum from the Montepuez mine in Mozambique from June 12 to 17, netting $33.5 million. ... Read More »

JVC to hold compliance seminar in Tucson

JVC to hold compliance seminar in Tucson New York--The Jewelers Vigilance Committee will host a seminar at the AGTA GemFair in Tucson on Thursday to give an update on compliance topics ... Read More »

AGL performing on-site testing in Tucson

AGL performing on-site testing in Tucson New York--American Gemological Laboratories (AGL) will conduct on-site testing of colored stones for identification, enhancement and origin ... Read More »

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