Art Deco retro ring starlite

     The big beautiful sparkling blue stone in the center of this geometrical diamond ring with its intensive fire and luster is called a starlite. A fanciful name given to the blue variety of zircon. They are so called from a supposed resemblance to starlight, being named by George F. Kunz (1856-1932), an American gem expert. The bright vivid blue color was obtained by heating the original dark-brown stones in primitive ovens with fluxes. These stones were quite popular in the second quarter of last century. Starlite, being a variety of zircon, is not to be confused with cubic zirconia which is a synthetic substance with a completely different chemical composition.

Some information:
  Style: somewhere between Art Deco and Retro
  Style specifics: Abstract motives and geometrical forms are quite typical for the Art Deco period and the Retro Style is a recent designation for the period in the forties when large scale, stylized geometric forms, drapes, bows or ribbons were all the rage.
  Material: platinum and 18K white gold
  Diamonds: Twelve old mine brilliant cut diamonds with a total estimated weight of approx. 1.50 crt. Note: All diamond weights, color grades and clarity are approximate since the stones were not removed from their mounts to preserve the integrity of the setting.
  Precious stones: One beautiful sparkling starlite with an estimated weight of approximately 2.20 crt.
  Birthstones: Diamond is the birthstone (or month stone) for April and starlite for December.
  Hallmarks: Illegible remains.
  Weight: 9.30 gram (5.98 dwt)
  Ring size Continental: 56 & 17¾ , Size US 7½ , Size UK: O½
  Resizing: Free resizing, but because of the the way the ring is made, we cannot guarantee to make it on every size; so please ask in advance (only for extreme resizing we have to charge).