Antique 1.08ct Ruby open work Heart twisted wired 18K gold brooch 

Early century. Open work Heart brooch, it showcased eighteen (18) natural rubies, size 2.5-2.65, weight approx. 1.08ct. Double twisted border,. 
Measures 1 5/8" x 1.5", weight 4.8 grams, no hallmark, tested for 18K