Antique Art Deco merald Green Jadeite Jade Engagement Ring Designer Setting 18k

Description

Genuine art deco jade 18k gold ring.
Antique jade engagement ring.
EMERALD GREEN AND WHITE JADE.
Art deco ring from 1880's to 1920's is expertly well crafted.
Magnificent old mine jadeite material has been transformed into a work of art.
Indicative of the high quality ring of the era in 18 karat
solid yellow gold with intricately detailed on the face down to the sides.
The original Victorian old jade is 21 millimeters by 16 millimeters.
HALLMARK - 18K , WLIUK.
SIZE 5 1/4.
Interesting facts and information about jade:
Properties of Jadeite Jade :
Jadeite Jade
Colors :
Various shades of green, lavender, white, colorless, brown, orange
Composition NaAlSi2O6
Hardness (Mohs) 6.5–7
Specific Gravity 3.34 (+ 0.06, –0.09)
Refractive Index 1.666–1.680 (±0.008); spot RI 1.66; birefingence usually not measurable
Optic Character DR, Biaxial; aggregate polariscope reaction
Spectrum Generally line at 437 nm; Cr-green may have lines at 630, 655, 690 nm
Crystal System Monoclinic; occurs as massive polycrystalline aggregates
Fracture Granular to splintery
Pleochroism None
Phenomena None
Handling No special care needed for untreated jadeite; treated jadeite may be damaged by ultrasonic
and/or steam cleaning; solvents, acids
Enhancements Most jadeite is wax dipped; some jadeite is dyed and/or bleached and then polymer-impregnated.
Synthetic available? Yes, but quite rare in the market
Chinese jade nomenclature (Based on Ho, 1996)
Chinese name Meaning
Yu Chinese word for jade
Ruan yu Nephrite
Ying yu “Hard jade” or jadeite
Fei-ts'ui (feicui) “Kingfisher” jadeite
Lao keng “Old mine” jadeite – fine texture
Jiu keng “Relatively old mine” jadeite – medium texture
Xin keng “New mine” jadeite – coarse texture
Ying Jadeite type with the highest luster and transparency
Guan yin zhong Semi-translucent, even, pale green jadeite
Hong wu dong Lesser quality than guan yin zhong, with a pale red mixed with the green
Jin si zhong “Golden thread” jadeite: A vivid green color is spread evenly throughout the stone.
This type is quite valuable.
Zi er cui High-grade jadeite mined from rivers.
Because of its high translucency, it is also known as bing zhong (“ice”).
Lao keng bo li zhong Old-mine “glassy” (finer texture, more translucent) jadeite.
In Imperial green, this type is the most valuable jadeite.
Fei yu Red jadeite, named after a red-feathered bird
Hong pi “Red skin” jadeite, cut from the red skin of a boulder
Jin fei cui Golden or yellow jadeite
Shuangxi Jadeite with both red and green
Fu lu shou Jadeite with red, green, and lavender
Da si xi Highly translucent jadeite with red, green, lavender, and yellow
Wufu linmen Jadeite with red, green, lavender, and yellow, as well as white as the bottom layer
jadeite nomenclature (based on Chhibber, 1934)
name Meaning
Kyauk sein (kyauk = stone; sein = green) word for jadeite
Mya yay or yay kyauk (Chinese = kingfisher = fei-ts’ui ) First grade green; bright, intense emerald green;
used for expensive jewelry, such as cabochons, rings, necklaces, earrings, etc.
Shwe lu Second grade green; light green jadeite with bright green spots and streaks; also used for expensive jewelry, such as cabochons, rings, necklaces, ear rings, etc.
Lat yay Third grade; clouded jadeite, used in making bracelets, buttons, hatpins, etc.
Kyauk amè (English = chloromelanite) Dark green, appearing black except when thinly cut.
This material is rich in iron, and is used for making buttons, bars for brooches, etc.
Konpi Red or brownish, found in boulders embedded in red earth
Hua hsueh tai tsao (Chinese; “moss entangled in melting snow”) White with veins of shaded green
Kyauk atha Translucent white, used for bracelets, pipe stems, plates, spoons, etc.
Pan tha Brilliant white, translucent, and opaque to a certain extent
Maw-sit-sit (English = maw-sit-sit; a rock mixture of kosmochlor, natrolite and albite) Medium to dark green, mottled; ornamental gem material; soft and brittle.
YES I CAN SIZE.
COMPLIMENTARY GIFT BOX.
Please see pictures for details.
Ask questions before bidding.
The pictures were taken under natural day light.
The color may be different from computer monitor to monitor.
SCARES.
MUSEUM QUALITY WORK OF ART.
I HAVE BEEN SELLING JEWELRY ON EBAY FOR OVER 23 YEARS NOW, SINCE 1999.
I DELIVER EXCELLENT SERVICE AND HARD TO FIND RARE AND ESTATE JEWELRY FOR MY CUSTOMERS AT AFFORDABLE PRICES.
I AM AN HONEST AND RELIABLE AND REPUTABLE SELLER, PLEASE TAKE THE TIME TO READ MY FEEDBACK AND BID WITH CONFIDENCE. I HAVE MANY REPEAT CUSTOMERS. THE JEWELRY I FIND AND MAKE FOR 45 YEARS IS RARE AND HIGH QUALITY AND I SELL IT FOR AMAZINGLY LOW PRICES.
THANK YOU FOR LOOKING AT MY STORE AND AUCTIONS.
We guarantee the authenticity of our items 100%.
Diamonds measured and graded while set as setting allows.
Weight calculated by formula and all grades and weights are approximate.
ALL DIAMONDS ARE PHOTOGRAPHED UNDER 100 x POWER MICROSCOPE FOR FRAUD PREVENTION!
We are professional, GIA trained gemologists and appraisers and
are family have been in this business over 350 years.
Due to calibration of computer monitors varying from computer to computer, color of gemstones or precious metal (and other elements of the pieces) may vary from the photos on the listing. We do not accept returns due to the "color being different" from the photos.  Descriptive words such as "semi-translucent" "mottled" are the opinion of our in house gemologist, and are not grounds for a return on items with a no return policy. Colors are also interpretations of the gemologist.  Motifs of carvings and designs of jewelry are the interpretation of our in house gemologist, and are not grounds for a return. Please view the photos carefully to make your own interpretation of designs.
Returns
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