Precision Turned & Milled Jewelry

Custom Rings OEM & ODM Manufacturing

Bespoke ring manufacturing in surgical-grade 316L stainless steel, Grade 5 titanium, and solid brass. We engineer signet rings, textured bands, fidget spinner rings, and stone-set pieces with precision comfort-fit profiles and durable PVD plating.

Production Benchmark

  • Size Tolerances Inner Diameter ±0.03 mm (US, EU, Asian sizes)
  • Material Options 316L Stainless Steel, Grade 5 Titanium, Brass
  • Surface Textures 8K Mirror, Hairline Satin, Hammered, Sandblast
  • PVD Plating Options 18K Yellow Gold, Rose Gold, Matte Black DLC
  • Stone Integration Prong, Bezel, and Flush Setting (CZ, Moissanite)
  • Custom Markings Inside Band Laser Engraving & CNC Relief
  • Sample Turnaround 15 to 20 Working Days
  • Inspection Standard 100% Ring Mandrel & AQL 1.0 Surface QC
Manufacturing Scope

Ring Typologies & Geometries

From heavy statement signets to tactile spinner rings, our CNC milling and investment casting suites produce calibrated collections.

Heritage Silhouette

Bespoke Signet Rings

Substantial flat-top and cushion signet rings with deep laser relief, engraved coats of arms, custom monograms, or embedded natural stone slabs.

  • Top Geometries Oval, Cushion, Hexagon, Octagon
  • Face Depth 1.5 mm to 3.5 mm solid top
  • Wall Thickness Graduated comfort-fit shank
Essential Luxury

Precision Band Rings

Turned on multi-axis Japanese CNC lathes for circular concentricity. Available in stepped edge, domed court, flat bevel, and chamfered profiles.

  • Width Options 2.0 mm to 12.0 mm calibrated bands
  • Inner Profile Curved ergonomic comfort-fit interior
  • Surface Finish Dual-finish satin and mirror steps
Tactile Engineering

Precision Spinner Rings

Interactive dual-tier rings featuring a smooth-spinning outer band held within a retaining channel with calibrated 0.08 mm clearance for fluid movement.

  • Clearance Tolerance ±0.015 mm rotational gap
  • Acoustic Quality Quiet, friction-damped motion
  • Band Options Carved numerals, textured knurling
Engineering Precision

Custom Ring Manufacturing Benchmarks

Strict dimensional benchmarks, alloy specifications, and verification methodologies applied to every manufacturing run.

Ring Parameter Standard Specification Luxury Option Verification Standard
Inner Shank Dimension Standard US sizes 4 through 14 Custom half and quarter sizing Calibrated steel ring mandrel inspection
Wall Thickness 1.8 mm to 2.4 mm uniform profile Tapered ergonomic comfort-fit shank Digital micrometric wall measurement
PVD Layer Thickness 0.5 to 1.0 µm decorative PVD 1.5 to 2.5 µm reinforced wear coat 72-Hour artificial sweat immersion test
Stone Setting Seat Mechanical press bezel seat Micro-pave hand-cut bead setting 40x Stereomicroscope prong verification
Manufacturing Protocol

Precision Production Workflow

From technical CAD validation to cleanroom quality inspection, our engineering workflow ensures strict repeatability.

PHASE 01

Engineering DFM & Blueprints

Our engineers inspect your 3D CAD files or reference samples to calculate shrinkage compensations, wall thicknesses, and tooling paths. Comprehensive 2D manufacturing blueprints are delivered for sign-off.

PHASE 02

Master Prototyping & Mold Tooling

High-resolution SLA 3D wax printing is combined with vacuum investment casting or 5-axis CNC machining. First-article samples undergo dimensional verification, tactile fitment, and finish audits.

PHASE 03

Multi-Axis Machining, Casting & Polishing

Batch manufacturing utilizes multi-spindle Japanese CNC equipment, robotic surface buffing, and master hand-applied satin graining. Pieces undergo strict optical inspection before plating.

PHASE 04

Class 10,000 PVD Plating & Cleanroom QC

All ionized PVD deposition and final packaging takes place in ISO Class 10,000 cleanrooms to eliminate airborne dust. Every completed piece passes 72-hour artificial sweat immersion and AQL 1.0 optical checks.

Procurement Guidance

Frequently Asked Questions

Common technical and commercial questions regarding custom jewelry manufacturing and private label supply.

What size ranges do you manufacture for custom rings?

We manufacture across all international sizing standards including US (sizes 3 through 16), European circumference standards, and Asian sizing. Quarter and half sizes are readily produced.

Will stainless steel rings tarnish or turn skin green?

No. We use genuine surgical-grade 316L stainless steel containing 16-18% chromium and 2-3% molybdenum. It will never corrode, rust, or oxidize green on skin.

Can you engrave custom logos inside the ring band?

Yes. We offer crisp fiber laser engraving on the inner shank for hallmarks, brand signatures, and serial numbers down to 0.6 mm font heights.

What stone setting methods do you support on steel rings?

Because stainless steel is harder than gold, we utilize precision CNC milled stone pockets and specialized microscopic setting tools for prong, flush gypsy, and bezel settings.

Start Your Production Project

Bring Your Jewelry Vision to Reality

Send us your 3D CAD drawings, component blueprints, or design sketches. Our jewelry engineers will prepare a comprehensive casing analysis, tooling proposal, and quotation within 24 business hours.

Submit Request for Quotation