This is for a pair of beautiful Lalique "ECLAT" collection earrings in silver tone mounting with a black Lalique crystal.

The retail price was about $550 but it is a retired collection and not available in store. 
Each earring measures about 2.25 inches (5.5 cm) long and 1 cm wide.  The Eclat crystal drop is about 1.75 inches (4.5 cm) tall.

Marking is "LALIQUE" and its emblem on the back side of the crystal.  "925" is stamped on the back side of the hooks.
Condition is previously owned but they are mint like new condition as shown. 

Here is the description of the "ECLAT" collection:

ECLAT

Because the woman is Lalique's Muse, we have created this outstanding jewelry range especially for her in completely repolished crystal and sublimatd by a 3 micron gold-plated or sterling silver setting.

Magnificent, the jewels echo the heavenly, magnetic grace of their wearer.  She will enchant and dazzle ...

* * * Non-smoking environment!  * * *