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1970s Oscar Heyman Brothers Ruby Diamond Platinum Cluster Ring

About the Item

Diamond and ruby cluster ring by Oscar Heyman Brothers. Set with a round old cut diamond, E colour, SI1 clarity, with an approximate weight of 2.52 carats, in an open back four claw setting, bordered by an undulating row of twenty four tapered baguette cut natural unenhanced rubies in open back rubover channel settings with a combined approximate weight of 3.00 carats, to an exceptional shapely cluster with finely pierced detail to the gallery as well as signature Oscar Heyman Brothers dot and dash engraving, decorative pierced backholing and smoothly conforming trumpeting shoulders with ridged detail continuing throughout the shank. Tested platinum, maker's mark for Oscar Heyman Brothers, numbered '508892', American, circa 1970, accompanied by Gemological Institute of America report #2171478681. UK finger size K 1/2. Please note shipping to the United States of America requires the purchaser to fill out a CBP 5106 customs form before the item is shipped. This form is a legal requirement for any item over $2,000 which is being imported into the United States. One of the details the form requests is the purchaser’s social security number or importer’s number.
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