Stone Setter interview questions and expert answers

Answer example: Emeralds present unique challenges—they're relatively soft (7.5-8 on Mohs scale) and almost always have inclusions and fractures, often oil-filled to improve clarity. My first concern is the existing prongs or bezel on a vintage mounting. I would examine them under magnification for metal fatigue or previous repairs. I would never use heat near an emerald as it can damage oil treatments and worsen fractures. I would carefully check the mounting seat dimensions—if it's too tight, I risk chipping the stone during setting. I use only hand pressure with a brass pusher, never a hammer. The prongs must be perfectly smooth internally to avoid abrading the stone. I would set it slightly lower than a diamond to provide extra protection, and ensure prongs cover enough of the stone for security without obscuring its beauty. I would also recommend the client insure the piece and have it checked annually, as emeralds need more maintenance than harder stones.

Answer example: I excel in prong settings for maximum stone visibility, bezel settings for security and modern aesthetics, channel settings for continuous stone lines, and pavé settings for maximum sparkle. I also perform specialty settings like tension settings and invisible settings. Each technique requires specific tools and skills that I have mastered through extensive practice.

Answer example: I use appropriate tools and techniques for each stone type and setting style. I never apply excessive pressure that could damage stones. I check stone security by testing movement and ensuring prongs or bezels are properly formed. I use magnification to verify that settings are complete and stones are properly seated. Careful handling and proper technique prevent damage while ensuring security.

Answer example: Each gemstone type requires specific handling. Diamonds are the hardest but can chip if struck incorrectly. Emeralds are more fragile and require gentler techniques. I adjust my approach based on stone hardness, cleavage planes, and inclusions. I use appropriate tools and pressure for each stone type to ensure both security and preservation of the stone's integrity.

Answer example: Micro-pavé on a curved surface is among the most demanding setting work. I start by mapping the curve and planning stone placement—stones must follow the curve naturally without gaps or crowding. Using a microscope, I drill pilot holes with a 0.8mm ball bur, spacing them approximately 0.1mm apart for 1mm stones. The holes must be perfectly perpendicular to the curved surface, which requires adjusting my hand angle constantly. I create the seats at consistent depth—too shallow and stones sit high, too deep and they sink. I set stones one row at a time, using a beading tool to raise tiny prongs (grains) from the surrounding metal. Each grain must be identical in size and placement. I use a 0.4mm graver to cut bright cuts between stones, creating the signature sparkle channels. The entire process for a half-eternity band takes 8-12 hours. The result should look like a continuous river of diamonds with barely visible metal.

Answer example: Essential tools include various gravers for cutting seats, pushers for positioning stones, pliers for forming prongs, and specialized hammers for securing settings. I use magnification equipment for precision work and various measuring tools for accuracy. I maintain all tools meticulously and understand how to use each tool effectively for specific setting tasks.

Answer example: I approach vintage pieces with respect for their historical value and original craftsmanship. I carefully analyze existing settings to understand the original techniques used. I use compatible methods and materials that match the period. I document all work and ensure that any modifications are reversible. Preservation of the piece's character is as important as functional repair.

Answer example: I once set a large emerald in a vintage ring where the original setting was damaged. The challenge was creating a new setting that matched the period style while ensuring the stone's security. I had to work around existing metal and create a setting that looked original. The project required careful planning, specialized tools, and multiple fittings to achieve the perfect result.

Answer example: I follow standardized procedures for each setting type and maintain consistent techniques. I use templates and jigs when appropriate to ensure uniformity. I work at a steady pace that allows me to maintain quality rather than rushing. I regularly compare my work to approved samples and make adjustments as needed. Quality control is integrated into every step of my process.

Answer example: I study new setting techniques and attend workshops to learn from master setters. I examine high-quality jewelry to understand different approaches and styles. I experiment with new tools and methods while respecting traditional techniques. I also follow industry publications and attend trade shows to stay informed about trends and innovations in stone setting.