1970’s French 18K Yellow Gold Plique-à-jour Diamond En Tremblant Flower Brooch, weighing 34.9 grams, features vibrant blue translucent enamel petals and 15 sparkling diamonds totaling approximately 0.90 carats (G-H color, VVS-VS clarity) in a dynamic, en tremblant setting. Measuring 2.5 inches in length, this exquisitely crafted brooch captures the artistry and movement of French haute joaillerie his exquisitely crafted brooch displays a minor area of enamel loss, as shown in the photos, which does not detract from its beauty or collectible value. All our diamonds and colored gemstones are naturally earth-mined. Any synthetic (lab-grown) stones will be clearly indicated in the description. Upon Request, Auction House may provide an appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.