Filing and finishing — the skill that separates handmade from homemade

Nobody falls in love with filing. Every jeweller respects it — because
finishing IS the quality.

Files: shape to the job

Needle files come in profiles — flat, half-round, round, triangular, knife.
The trick is matching profile to contour: half-round for inside curves,
knife for tight corners, flat for faces.

The grit ladder

Emery progression is non-negotiable: each grit removes the scratches of the
one before. Skipping a stage = discovering deep scratches at final polish,
when the only fix is going back. Wet-and-dry papers 400 → 800 → 1200 on
metal, then polishing compound on a muslin wheel.

The eye trick

Work under raking light — a lamp held low, light skimming across the surface
— and every hidden scratch shows up. Finish to the raking light, not to hope.

The patience curve

Your first piece: 40% of bench time. By your tenth: 25%, and you stop
resenting it. The
Foundation Metalwork course
builds the habit with instructor standards — professional finishing is
literally the assessment. See also first silver skills.

What students say

“An institute that provides an all rounded education in jewellery.”

— Geraldine C. (Singapore) · published student feedback

“The skills learnt help me in choosing my purchases. I may consider helping a relative in the jewellery business and get included in the exhibitions.”

— Joyce T. (Singapore) · published student feedback

Free ways to explore

No sign-up, no payment — start with any of these.

TTake the 2-minute course finderFREE
Answer a few questions, get personal course recommendations.TThe complete course guideFREE
Every course, family and diploma in one PDF.FFree gem webinar replaysFREE
Full recorded sessions on gems and the jewellery trade.PPlay Name That GemFREE
The school's free gem-identification game.

Keep exploring

Setting your first stone — the bezel, step by stepHow bezel setting works for a first stone — measuring the cabochon, building the bezel walPeyote stitch primer — the gateway bead weaving stitchFlat even-count peyote explained — the first rows, reading patterns, increasing and decreaLost-wax casting explained — how jewellery is multipliedHow lost-wax casting turns a wax model into silver or gold — burnout, vacuum, and why cast9 beginner silversmithing mistakes (and the fixes)The nine mistakes every new silversmith makes — sawing, filing, soldering and finishing er

Try a one-day jewellery class

Short experience classes at JDMIS need no tools, no experience and no commitment — a single session gives you a real taste of the craft.

Visit jdmis.edu.sg