A GIA Gem Instruments Model 792 Microscope

Appears 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.

Model #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 s

GIA GEM LAB INSTRUMENTS, SANTA MONICA, CALIF, 'STONE SIZING' ETC. W 8 1/2", D 6"

GIA 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, le

Model #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 plast

U.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. Nor

4 Optical Instruments, c. 1960 1) Model 570 Stereo Star Zoom Microscope, American Optical Company, 0.7 to 4.2x, on heavy tripod. - 2) Askania angle standard, testing device for 90˚, 45˚ and

A vintage musical trumpet instrument by an unknown manufacturer. Features yellow brass finish, mother of pearl embellished valves. Incised to top of bell with floral design and legend THE GEM SUPER SW

Title: 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 this

Title: 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 cut

This machine and it's oak cabinet has been stripped, refinished, and redecaled. It is in overall good condition. Has an original Edison combination K reproducer with two good styluses. The mandrel and

Original finish and banner decal on lid with minor finish loss. Motor housing has original black paint and decal with usual wear. Carriage and mandrel move freely, missing reproducer. Has reproduction

This machine in its oak cabinet has its original finish and decal however it has been heavily and poorly varnished over. See photos. This machine is missing its top carriage and reproducer. Motor hous

900-purity platinum ring with a 0.74-carat oval-cut color change alexandrite center stone accented by 1.254 carats of round brilliant diamonds. It comes with a GIA gem report. Stamped Pt900, 0.74, D1.

----DETAILS---- MAIN STONE// Yellow diamond TCW// 2.87ct CUT// pear brilliant CLARITY// S12 COLOUR// fancy, light greyish, greenish, yellow natural

Brown Safe Manufacturing jewelry safe, model "Gem 6018", having an cream color coating and interior drawers with curly maple veneer, maker's mark and serial number 34063. Approx. 60.5", w. 18.625", d.

Untreated, unheated ruby, transparent with great luster, these are the characteristics of this unique gem. GIA certified to ensure your investment. If you are looking for something unique, a gem that

Beautiful ruby, transparent with great luster, top origin (Burmese), these are the characteristics of this unique gem. GIA certified to ensure your investment. If you are looking for something unique,

Jacob & Co. Hourglass and stand Rose gold hourglass with orange gems, Ref. 91946312, Model No. A0015 Watch dials and stand signed Jacob & Co. Quartz Hourglass 6 x 2 ¾ ins, stand 5 ¾

Ancient Holy Land Pottery trumpet Model c.1st Century AD. Size: 13 1/2 inches length. Unusual red pottery Trumpet model musical instrument attributted to the first temple. Sea deposit on surface. Cust

Musical Instrument, Martin Acoustic Guitar, Model HD-28 Standard Dreadnought, c.1978, s/n 411377, VG+ cond w/2 tight shrinkage slits in body under bridge, includes soft carry case, 40.5"L.

A beautiful art deco platinum diamond ring, center a gem quality diamond wt. 1.03ct in VS2/ E quality (GIA report), accented with gem quality baguette and round diamonds, tdw approx. 1.50ct, size 8.2

A mixed media painting on paper depicting a still life with musical instruments. Signed, Nguyen Gia Tr, lower right. Framed. Nguyen Gia Tri or Nguyen Gia Tri, 1908 to 1993 was a Vietnamese painter bes

An original first quality Meissen porcelain 12 piece Monkey Orchestra figurines set depicting monkeys playing musical instruments sculpted after the models by J.J. Kandler. Each on a gilt edged Rococo