Sold2023GIA Gem Fiberlite Testing EquipmentGIA Gem Fiberlite Testing Equipment includes: Duplex II Refractometer, Polariscope Model 415, Pleochroism (color variation) Model 409; Fiber Lite Model 413, Specific gravity, etc testing fluid kit, leSee Sold Price
Sold2024GIA Gem Quality 42ct Aquamarine Finely Faceted Solitaire Platinum Fine Diamond Halo Enhancer PendantTitle: GIA Gem Quality 42ct Aquamarine Finely Faceted Solitaire Platinum Fine Diamond Halo Enhancer Pendant Description: I doubt you will EVER see another large aquamarine with better color than thisSee Sold Price
Sold2023GIA Gem Quality Colombian Emerald Fine White Baguette Diamond Signed 18k Gold RingTitle: GIA Gem Quality Colombian Emerald Fine White Baguette Diamond Signed 18k Gold Ring Description: This signed 18k gold & diamond ring features an ultra-fine quality, approx. 1.25ct emerald cutSee Sold Price
Sold2023Sun Electronic Testing Equipment porcelain sign, contoured edge, Sun made testing equipment andSun Electronic Testing Equipment porcelain sign, contoured edge, Sun made testing equipment and electronic tachometers for race cars and hot rods 39 x 22, VG color overall.See Sold Price
Sold2024A GIA Gem Diamond Grader MicroscopeModel #760485, 10X with 30X objective, 155mm ocular, darkfield and overhead light, tilt swivel and two gem clips, appears to be working but in need of replacement bulb, on a round swivel stand, some sSee Sold Price
Sold2021Scientific Testing Equipment (6), Mid-Century wood caseScientific Testing Equipment (6), Mid-Century wood case w/a Weston Illumination meter Model 603, Leeds & Northrup potentiometer, GE ac voltmeter, Industrial Instruments conductivity bridge, Hotpoint oSee Sold Price
Sold2024A GIA Gem Instruments Model 792 MicroscopeAppears to be in working order, 10x with 30x objective, darkfield and overhead light, includes two gem clips as well, some signs of wear from use and age.See Sold Price
Sold2024Rotary Phones and Testing EquipmentRotary Phones and Testing EquipmentRotary desk phone, rotary wall phone, testing phone and wiringSee Sold Price
Sold2022Antique Medical Blood Testing equipmentin original case Adams Hematology OutfitSee Sold Price
Sold2020Group of 7 Pieces : Vintage Testing Equipment andLargest is 11.5 x 1.5 x 1.5 inchesSee Sold Price
Sold2020GIA GEM LAB INSTRUMENTS, SANTA MONICA, CALIFGIA GEM LAB INSTRUMENTS, SANTA MONICA, CALIF, 'STONE SIZING' ETC. W 8 1/2", D 6"See Sold Price
Sold2021Vintage Scientific Testing Equipment - Instrument11 x 9.25 x 5.5 inches when closedSee Sold Price
Sold2021Group of 5 Pieces : Vintage Testing Equipment + moreLargest is 4.5 x 11.25 x 3.5 inchesSee Sold Price
Sold2020Vintage Scientific Testing Equipment - Barber-Colman4.75 x 8.5 x 11.75 inches when closed. Barber-Colman Company Industrial Instruments Div. Model No 330-P.See Sold Price
Sold2020Vintage Gray Instrument Co. Testing Equipment10.5 x 8.5 x 7.5 inches when closed - missing a base footSee Sold Price
Sold2024A GIA Gem Diamond Proportion ComparatorModel #750000, working condition, used to demonstrate how light refraction is affected by the proportion/cut of a diamond by sliding the panel left and right under the directed light, comes with plastSee Sold Price
Sold2020Group of 4 Pieces : Vintage Testing EquipmentLargest is 9.75 x 16.25 x 4 inchesSee Sold Price
Sold2020Group of 3 Pieces : Vintage Testing EquipmentLargest is 7.75 x 4.5 x 8 inches when closedSee Sold Price
Sold2021U.S, GIA GEM, SANTA MONICA,CA. DIAMOND PROPORTIONU.S, GIA GEM, SANTA MONICA,CA. DIAMOND PROPORTION COMPARATOR & RESEARCH INSTRUMENTS ' American Made Scientific Gemological Research, Diamond Proportion LAB-INSTRUMENT. PLUG IT IN AND IT LIGHTS-UP. NorSee Sold Price
4 days LeftBid Again Auctions (American Space Museum)Skylab Photographs from Grumman & Martin Marietta AerospaceUS$50
Jul 04Weatherham Estate Treasures2.31ct Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$550
Jun 27Weatherham Estate Treasures.74ct V-AAA Round Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$100
Jul 04Weatherham Estate Treasures.74ct V-AAA Round Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$100
Jul 04Weatherham Estate Treasures.89ct V-AAA Oval Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$120
Jul 04Weatherham Estate Treasures.75ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$120
Jul 04Weatherham Estate Treasures1.28ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$200
Jul 04Weatherham Estate Treasures1.31ct V-AAA Oval Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$200
Jun 27Weatherham Estate Treasures2.39ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$550
Jun 27Weatherham Estate Treasures2.60ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$600
Jul 04Weatherham Estate Treasures2.60ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$600
Jun 27Weatherham Estate Treasures2.87ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$650
Jul 04Weatherham Estate Treasures2.87ct V-AAA Cushion Cut Ultra Fine Violet Tanzanite Polished Gem Stone GIAUS$650
Dawsons AuctioneersA collection of thirteen gem set stick pins; including a chrisoprase and diamond pin in yellow metalÂŁ200
2 days LeftModern Jewelry1.27-ct F VS2 GIA Diamond1.27-ct F VS2 GIA Diamond Platinum Solitaire RING Estate Jewelry PlatinumUS$14,500