Antique 19th Century Russian Alexandrite Diamond Cluster Ring

Made in Moscow between 1882 and 1898 A classical Victorian era 14K gold cluster ring is centered with a sparkling bright white antique cushion cut diamond (measuring 4.7 x 4.7 x 3...

This contemporary custom-made 18K gold ring features a rare 0.63 carat pear shape Russian Alexandrite. The Alexandrite changes its color from bluish green (daylight) to purplish pink (incandescent light). The color change is prominent to strong (80-90%). Russian Alexandrites are rare in general. Stones of this quality are especially rare and seldomly appear on the market. The ring is accompanied by the American Gemological Laboratories Prestige gemstone report No. 1131666. Ring size 6.5 (17 mm) resizable. Alexandrite, the color-changing variety of Chrysoberyl, was first discovered on April 17, 1834 in the Russia’s Ural Mountains by the Finnish mineralogist Nils Gustaf Nordenskiold...

This contemporary custom-made platinum ring features a rare 0.43 carat pear shape Russian Alexandrite. The Alexandrite changes its color from bluish green (daylight) to purplish pin...

Circa 1950s The 14K white gold ring is centered with a bezel set natural sapphire (9.2 x 7.8 x 4.6 mm, approximately 2.64 ct) surrounded by 12 bright white brilliant cut diamonds (F-...

This contemporary custom-made cluster ring is crafted in 14K white gold. The ring features a golden green 1.08 ct brilliant cut Russian demantoid from the Ural Mountains. The demanto...

Made between 1908 and 1917. The 14K gold ring is designed as a stylized flowerhead (20 x 19 mm), centered with an antique cushion cut diamond (7 x 6.2 x 4.8 mm, approximately 1.76 ct...

Central cushion cut diamond surrounded by 8 smaller diamonds approximately 2,60ct,gold and silver set, c,1820 Size 7 Weight: 4,59gr.

Ring in 18 karats rose gold, horse's head hallmark. This beautiful marquise ring is set with claws of an oval cabochon cat's eye surrounded by rose-cut diamonds. Total weight of the ...

Centering on an old mine-cut diamond within a surround of old cut diamonds with floral motif, mounted in silver and gold, circa 1890 Size/Dimensions: US size 7 Diamond: Approximate t...

Of marquise form set with old brilliant cut diamonds weighing approximately three carats, to a gold shank. Bezel 2.3 cm by 1.0cm. Finger size: 6 1/2 Weight: 4 gr

Ring in 18 karat yellow gold. Feminine antique ring it is called Pompadour because composed of a center stone, here a rose- cut diamond surrounded by other rose- cut diamonds, the wh...

Antique 19th Century Old Mine-cut diamond floral cluster cocktail ring in silver and yellow gold, Europe, circa 1880s. This antique jewel is modelled as a scalloped flower, with a wide and bold circular design with scalloped borders, this ring features a larger Old Mine-cut diamond in a step-down collet setting surrounded by two rows of 32 similarly-cut pave-set diamonds, all stones in closed-back silver; the closed-back collet attaches to a later D-shape shank in yellow gold with raised shoulders, which can be removed. This dress ring features extremely fiery stones which are ready to sparkle day and night and is sure to make an extraordinary conversation starter! Diamonds: estimated 6.40 carats in total; main diamond estimated 1.20 carats, G/H color (assessed), VS1 clarity (assessed); remaining diamonds estimated 5.20 carats in total. Dimensions: 2.5 x 2.5 cm (collet face-up). Finger Size: 51 (EU) but it could be sized up or down. Gross weight: 12.59g. Finger size: 51 (EU), but could be sized up or down). This item is in good condition, with marks and scratches consistent with general age and wear. Antique, period and vintage pieces, both signed and unsigned, are being offered as worn. Unless otherwise stated, all weights and quality factors have been graded as mounting permitted and using classic gemology and standard gemological equipment and might slightly differ from the assessments provided by other gemologists. Assessments related to period of manufacture or geographic origin of gemstones are expert opinions and may differ from the assessments provided by other professionals. Colors in the pictures/videos might slightly differ from the colors in real life. When certificated stones are being offered, the certificate or report will be mentioned. For additional information or clarification, please get in touch and our in-house team of expert GIA Graduate Gemologists and Registered Appraisers/Valuers will be happy to help. Upon request, every item sold by Espadim 1985...