The Kaleidoscope | Edo-Style Hand-Cut Crystal Whiskey Tumbler

Edo-Style Cold-Cut Heritage without Gallery Markups

Inspired by historic Edo Kiriko glassmaking traditions, The Kaleidoscope tumbler is hollowed from a solid cylinder of optical crystal using advanced cold-cut technology and finished by hand. By shipping directly from our artisan studio to your lounge, we eliminate traditional multi-tier distributor markups, delivering authentic ~480g heavyweight heirloom craftsmanship at an honest atelier price.

A Hand-Carved Kaleidoscope of Light

There is a distinct magic in raising an Edo-style crystal tumbler to drink. Looking straight down through your amber spirits reveals an intricate starburst mandala that transforms every pour into a shimmering, ever-shifting optical kaleidoscope.

Intricate Radial Facets & Symmetrical Prisms

Master cold-cutters execute dozens of razor-sharp diamond incisions converging on a polished central star. When backlit by candle or lounge lighting, the base projects radiating laser-like rays across your tabletop.

Six Luminous Shades: Choose Your Signature Tone

Available in six distinct personalities: Glacier Clear, Ocean Green, Cherry Pink, Sky Blue, Warm Amber, and Midnight Black. Each tumbler shares the identical solid weight, hand-cut facets, and crystal-clear acoustic ring.

Heavy Cold-Cut Crystal vs Ordinary Pressed Glass

Unlike lightweight ~400g machine-pressed industrial glassware that suffers from cloudy bubbles and dull refraction, Emberform tumblers weigh ~480.6g of solid, bubble-free optical crystal, delivering peerless light transmittance and cold hand feel.

Precision Artisan Faceting vs Cost-Cutting Rough Cuts

Look closely at the incisions. Mass-market imitations use shallow, blurry mechanical press lines. Our artisans spend hours hand-polishing and cutting crisp, sharp geometric grooves that catch and refract every beam of light.

Signature Executive Presentation Box & Leather Coaster

Presented in Emberform's signature high-density cushioned gift box with matching carry tote, leather coaster, and presentation greeting card. An unforgettable gifting experience for scotch, bourbon, and vintage spirit aficionados.

Specifications & Dimensions

• Weight: ~480.6g (~1.06 lbs) solid weighted optical crystal
• Capacity: ~280ml (~9.5 fl oz) — Ideal for neat pours & single ice rock
• Height: ~93mm (~3.66 in)
• Rim Diameter: ~86mm (~3.39 in)
• Base Diameter: ~72mm (~2.83 in)
• Material: High-purity lead-free K9 optical crystal glass
• Craftsmanship: CNC hollowed cylinder & diamond-wheel artisan cold faceted
• Care Guide: Designed for whiskey, cocktails, and chilled or room-temperature beverages. Hand wash gently with warm water and soft cloth; not suitable for dishwashers or rapid boiling liquids.

✦ Bespoke Monogramming & Laser Engraving

Personalize the crystal base with initials, names, or milestone dates using precision micro-laser engraving. Select "Custom Monogram Engraved" and leave your details in the Order Notes at checkout.

All import duties and tariffs are pre-paid. Any transit damage is backed by an immediate complimentary replacement.