A hidden fracture in a newly arrived gemstone often means an internal break that was not clear in the listing photos. Photograph the whole stone, a close view of the break, and the box and padding before you wear, set, or return it.
A fracture is a flat separation inside the stone or across its surface. It differs from color zoning, which is simply a shift in hue. Some fractures form in nature, while others happen during cutting, shipping, or setting.
Table of Contents
- How to tell a fracture from a natural mark
- Why a small break can change wear and setting plans
- What photos best show a hidden fracture?
- What to do after you document the break
How to tell a fracture from a natural mark
Hold the stone under one lamp and tilt it slowly from side to side. A fracture often flashes bright white or rainbow when light hits the flat plane. A color zone usually keeps the same tone as you tilt.
Look with a 10x loupe if you have one. A small internal break with a soft, feathery edge is often called a feather in the trade. A sharp line that reaches the outer surface carries more risk because dirt and pressure can enter there.
Why a small break can change wear and setting plans
A surface-reaching break weakens the stone at that spot. A prong placed over the break, a sharp tap, or heat from resizing can extend it. Emeralds, opals, and heavily included stones need extra care because they chip more easily.
A fracture can dull sparkle by blocking light or creating a milky line. It can also lower clarity grade and resale appeal, depending on size and placement. A break hidden under a prong may stay stable, while one across the top face stays visible.
What photos best show a hidden fracture?
Use daylight or one white lamp and a plain dark background. Turn off flash, clean the lens, and hold the camera steady. Take wide shots first, then move closer for detail. Capture these five views before you clean or set the stone.
Work quickly but keep each image sharp. A short video of the tilt can also help. Keep original files with dates and do not crop out edges. Save one set untouched for the seller or jeweler.
- whole stone from front, back, and sides with the setting or loose holder visible
- close view of the break with a coin or ruler for scale
- tilt views where the break flashes and where it disappears
- packaging, padding, and any damage to the box
- invoice or label beside the stone, with private details covered
What to do after you document the break
Leave the stone in its holder or place it alone in a soft pouch. Do not wear it, set it, clean it in an ultrasonic machine, or try to oil or fill the break. Keep the box and padding until the return window closes.
Write down when the parcel arrived and how the break looked on first opening. Send the photos to the seller and ask about inspection, repair, discount, or return options. Ask a local jeweler for an in-person check before you agree to keep or set a fractured stone.