Antique Deco ring emerald sapphire diamonds gold platinum crossover French (7542)

Antique ring. 18k gold, platinum, diamonds, sapphire and emerald. Made in France early 20th century.   Independent appraisal available to new owner.
 

Measurements:

Weight is 4.9 grams. Approximately US size 6.5. 

Description :

Crossover ring that the French call 'Toi et Moi' - you and me, which describes the design very well. The main stones are a square emerald and a cushion cut sapphire. On either side are old European cut diamonds that lead to the shoulders, set with small pave set old European cut diamonds. Gems are set in platinum, but base of ring is yellow gold. 
Very good quality workmanship.
Makes a wonderful ring for wearing every day or as an unusual and romantic engagement or wedding ring. 

Marks and Metal:

French hallmarks: dog and eagle head for platinum and 18k gold; Maker's mark MB initials on either side of a fish. 
     

Condition:

Good with negligible wear commensurate with age.  Please see enlarged pictures and don't hesitate to ask questions which we will do our best to answer.   

THE STORY:

A delightful ring combining a sense of fun, lightheartedness with the serious attention to detail and quality of workmanship that made the French leaders in the field of luxury jewelry both in terms of design, technical ability and lavish care about workmanship. Today, colored stones like sapphires and emeralds are highly sought after, especially when they have great coloring, like this particular pair of gems. What was behind the gift of this ring? We will never know, but we can assume from the design and the materials that it was from and to sophisticated, knowledgeable people with comfortable financial means at their disposal. 
The Toi et Moi message - you and me - adds to the romantic mystery.