Specifications
| Handmade | Yes |
| Heat Resistant | No |
| Diameter | 3.74 in / 95 mm |
| Height | 3.74 in / 95 mm |
| Capacity | 10.1 fl oz / 300 ml |
| Style | Obsidian Flame Edo Kiriko Whiskey Glass – Hand-Cut Crystal Tumbler |
Obsidian Flame Hand Cut Whiskey Glass – Hand-Cut Crystal Tumbler
$148
Shop a 10.1 fl oz Obsidian Flame Edo Kiriko whiskey glass, hand-cut from crystal glass with black flame-like facets and starburst detailing.
Description
TheObsidian Flame Edo Kiriko Whiskey Glassis a dramatic crystal tumbler defined by sharp contrast, intricate cutwork, and a strong sculptural presence.
Its upper section features dense starburst patterns that create brilliant light reflection across the clear crystal surface. Below, deep obsidian-black flame-like facets rise upward through the glass, adding depth, intensity, and a bold architectural rhythm. A subtle warm amber reflection near the base enhances the contrast, giving the piece a refined and luxurious character.
With a10.1 fl oz / 300 ml capacityand a substantial12.7 oz / 360 g weight, this tumbler feels solid and premium in the hand. It is ideal for whiskey, bourbon, old fashioned cocktails, neat pours, or display as a statement piece in a luxury home bar. The strong black-and-clear contrast also makes it especially suitable for collectors and gift buyers looking for a more distinctive crystal glass.
Each glass is individually hand-cut, so slight variations may appear from piece to piece. These subtle differences are part of the beauty of handcrafted crystal glass and make every item unique.
Handmade: Yes
Heat Resistant: No
Material: Crystal glass
Weight: 12.7 oz / 360 g
Diameter: 3.74 in / 95 mm
Height: 3.74 in / 95 mm
Capacity: 10.1 fl oz / 300 ml
The Craft, in Four Steps
Design Drafting
Each pattern is drawn by hand, mapping how light will travel through every facet.
Initial Cutting
Diamond wheels carve the primary facets. One wrong angle and the piece is lost.
Fine Adjustment
Each facet is refined by hand. Depth, edge, angle - adjusted until geometry becomes art.
Final Polishing
Progressive abrasives bring out optical clarity. Light passes through without distortion.
Why Optical-Grade Crystal?
Our crystal isn't just "glass." It's optical-grade borosilicate - the same material used in telescope lenses and camera prisms, chosen for its extraordinary clarity and precision.
When we set out to make the perfect whiskey glass, we didn't start with tradition. We started with a question: What if the same crystal that helps us see the stars could hold the amber glow of your favorite whiskey?
The result is a glass with >92% light transmission - higher than traditional lead crystal - and a hardness that allows for incredibly precise hand-cut facets. It's lighter than lead crystal, yet more durable and chemically stable.
This isn't a cheaper alternative to crystal. It's a better one.
| Attribute | Optical Crystal (ours) | Lead Crystal | Ordinary Glass |
|---|---|---|---|
| Light Transmission | >92% | >90% | ~85% |
| Refractive Index | High | High | Low |
| Lead Content | Lead-free | 24%+ | 0% |
| Weight | Lighter | Heavier | Light |
| Cut Precision | Excellent | Good | Poor |
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