This fabulous estate ring is hallmarked SIGI with an eagle mark although much of the marking has worn away It is truly a remarkable Modernist Sigi ring that features a spectacular faux alexandrite. Sigi Pineda is considered one of the modern masters of Taxco Mexico silversmiths and this ring is a wonderful example of his amazing skill, craftsmanship and design. Our exciting ring is crafted with Sterling Silver and a stunning faceted faux alexandrite.of The modernist design is almost chunky with sleek angles. It is very comfortable on the finger and will fit a size 7 finger. It exhibits light patina and age appropriate wear.