GIA DIAMOND-LITE GEM INSTRUMENTS

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

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.

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

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

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

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

Beautiful 18K enamel diamond pendant (1.5"x1.1") depicting a girl and a boy playing music instrument, accented by gem quality small diamonds, tdw approx. 0.60ct, wt.11.2gm

Vintage Seidengang GIA Certified Sugarloaf Tourmaline Diamond Ring Featuring A Lovely Gem-Quality Transparent Domed Sugar loaf Pink Tourmaline Cabochon mounted with several near-colorless round Diamon

Natural Diamond - GIA Certified - 6.06 ct., Shape - Cushion Brilliant Cut, Color - Fancy Brown Yellow, Clarity - SI2, No Buyer's Premium, Hot Deal

RESERVE PRICE - 10000 $ 14 K / 585 White Gold Designer ALEXANDRITE (Color Change) GIA Certified & Diamond Ring   14 K Hallmarked White gold Gross metal weight - 7.700 g Tota

.5 Carat Diamond , Color Grade J, Clarity Grade SI1. Comes with GIA Report.Diamonds comes with various loose precious and semi-Precious Stones.

Art deco platinum diamon ring, center a gem quality diamond wt. 1.27ct (J/VS 2), accented with 10 small gem quality diamonds, tdw approx. 1.50ct with GIA certificate

GIA Report No - 6472488340 - 2.40 Ct Round Cut VVS1 D Color - Side Diamonds 0.30 ct 14kt Solid White Gold - Ring Size US- 7 -The Gatral Gems Guarantee: All items in this auction are guaranteed to be 1

Solid 18K yellow gold (tested). Center stone: 1.00 ct, pear cut, VS1 and G color. Side diamonds: 1.00ct, round and baguette cut. VS and F color. Total carat weight of all diamonds: 2.00 carats. All di

14K Yellow Gold and VVS White Diamond Ring. High end diamonds set in prong setting. TCW of the diamonds: 1.20 Carat. Color: E-F. Clarity: VVS. Certified by GIA graduate gemologist, AGI NY. Est Retail

A beautiful 14K W/G art deco diamond ring, center a gem quality diamond, wt. 1.57ct, G/VS1 (see GIA report), size 7.65

Art deco platinum diamond ring, center a gem quality brilliant cut diamond wt. 1.19ct in VS 2/ G quality (see GIA report), accented with 4 small gem quality diamonds, wt. 4.6gm, size 6.5

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

Fine 14K Y/G diamond ring, center a gem quality diamond wt. 1.10ct in VVS 2/ J quality (GIA report), accented with 6 gem quality brilliant cut small diamonds, wt. 4.0gm, size 7

Art deco platinum diamond ring, center a gem quality diamond wt. 0.62ct (G/VS2, see GIA report), accented by 2 gem quality baguette, tdw approx. 0.80ct

A 14K W/G diamond ring, center a gem quality diamond wt. 1.36ct in D/ SI 1 quality (GIA certificate), size 7

Art deco 18K W/G diamond ring, center a gem quality diamond wt. 1.0ct in F/ VS 1 quality (GIA certificate), size 6.5

Beautiful 18K W/G art deco diamond ring, center a gem quality diamond wt. 1.0ct in F/ VS 1 quality (GIA certificate), size 6.5

14K Y/G diamond ring, center a gem quality diamond wt. 1.10ct in J/ VVS 2 quality (see GIA report), accented with 13 channel set diamonds, tdw approx. 1.50ct, wt. 5.9gm, size 7