Bidspirit auction | 10K Lab Ruby Polytechnic Institute

10K Lab Ruby Polytechnic Institute Brooklyn Gold Class Ring 1959 - This item is in good pre-owned, previously used/displayed condition with noticeable light wear and surface scratches. Please reference all photos for full details. This piece of jewelry has been tested and researched before listing. DETAILS: Metal - 10K Gold Color - Yellow Gold Stones - lab ruby Hallmarks - 10K Size - 9 Weight - 26.0 grams Maker - unknown Tested - Yes Condition - G Ring: 9. Weight: 26.0 grams