Preliminary identification
Photo reference
2 uploaded photos
Overview
This is a beautifully hand-carved dendritic agate brooch fashioned in the organic shape of a maple or sycamore leaf. The natural, moss-like manganese inclusions within the translucent chalcedony mimic the decaying veins of an autumn leaf, while a sterling silver stem acts as both a structural spine and a functional pin mechanism.
Story
Crafted in China during the late 20th-century lapidary export boom, this brooch turns geological history into wearable art. The dark, fern-like patterns inside the stone are actually mineral deposits trapped millions of years ago. It is a miniature landscape captured in a single leaf.
Maker / Origin
While the specific workshop is anonymous, this piece represents the highly skilled lapidary (stone-carving) traditions of China. During the late 20th century, Chinese workshops produced exceptional carved gemstone jewelry for the global export market, combining ancient jade-carving techniques with Western jewelry formats like the brooch.
Condition & Value
The brooch appears to be in very good vintage condition. The carved agate shows no obvious chips or cracks along its delicate serrated edges, and the sterling silver stem and pin mechanism are intact with a light, natural patina. Excellent preservation of the stone's polished finish.
Full Research
Sold comps, value drivers, and venue guidance pulled from recent auction results.
Build on this identification
Layer in sold comps, value drivers, and venue guidance.
Comparable demand stays strongest where maker, originality, and venue confidence line up. Broader examples still trade, but the range tightens quickly when provenance, condition, or selling lane fit is missing.
Best Venue
Specialty auction or a focused dealer with buyers already in this lane.
Signed example with light edge wear and original frame.
Comparable format with stronger provenance and cleaner surface.
Smaller related piece with visible craquelure and trimmed margins.
Period match with softer condition and weaker subject matter.
Close market lane comp with similar material and presentation.