Crystal Cube — Custom Modern Crystal Pendant for Boutique Hotel Room

What is the Crystal Cube and where is it specified?

At XHLWX (led-project-light.com), a Custom Indoor LED Lighting Manufacturer based in China, we specialize in transforming architectural concepts into tangible, high-performance luminaires. The Crystal Cube is a premier example of our bespoke capabilities, serving as a design platform rather than a fixed product. It is a modern geometric pendant system conceived for interior designers, lighting specifiers, and procurement managers working on boutique and luxury hotel projects across the United States, Europe, and the Middle East. This fixture is specified where a standard, off-the-shelf solution fails to capture the unique brand identity and guest experience of a high-end hospitality space. Its core design principle is the interplay between precision-cut K9 crystal, custom-finished metalwork, and exceptionally high-quality, warm LED light, resulting in a decorative piece that is both a source of ambient light and a central artistic statement.

Photometric and electrical specification

Our engineering process ensures every Crystal Cube configuration meets rigorous project requirements. The following table outlines the typical specification range, which is fully customisable. We provide project-specific IES and LDT photometric files for accurate simulation in DIALux evo.

Parameter	Specification	Standard	Notes
Optics
Color Temperature (CCT)	2200K / 2700K / 3000K; Tunable White optional	ANSI C78.377	Warm, intimate color points to enhance guest comfort.
Color Rendering Index (CRI)	>95 Ra	CIE 13.3-1995	Ensures faithful rendering of skin tones, textiles, and finishes.
TM-30-18 Fidelity/Gamut (Rf/Rg)	Rf > 92, Rg > 100	IES TM-30-18	High fidelity and gamut for rich, saturated color appearance.
Unified Glare Rating (UGR)	>19 (Decorative)	EN 12464-1	Designed as a decorative statement piece, not for low-glare task lighting.
Beam Angle	Omnidirectional / Custom	-	Dependent on selected LED source (e.g., filament) and crystal optics.
Electrical
System Power (W)	5W - 200W+ (Project-dependent)	-	Scaled based on size, cube count, and desired lumen output.
Luminous Efficacy	~70-90 lm/W	-	Varies with LED source type and dimming level.
Driver Brand	Tridonic, Mean Well, Osram, or project-specified	-	High-quality drivers for flicker-free performance and long life.
Physical & Mechanical
LED Light Source Brand	Edison Filament, Bridgelux, Samsung, Osram COB	-	G9 / E14 / E26 / E27 lamp base or integrated COB module.
Housing Material	Die-cast Aluminium, Brass, Steel, K9 Crystal	-	Cage is typically brass; canopy is aluminium or steel.
Ingress Protection (IP)	IP20	IEC 60529	For indoor, dry locations only.
Standard Finish	Blackened Brass, Antique Copper, Matte Black RAL9005	RAL Classic	Custom finishes are available on request for project quantities.
Compliance & Lifetime
Certifications	CE, RoHS, ErP; UL/ETL on request	-	Compliant for EU markets; certified for North America as required.
Manufacturer Certification	ISO9001:2015	-	Quality management system for consistent production.
Rated Lifespan (L80B10)	50,000 hours	-	Maintains 80% of initial lumens after 50,000 hours.

Which spaces is it designed for?

The Crystal Cube's primary application is within the premium hospitality sector. It is designed to be the signature lighting element in boutique hotel guest rooms and luxury suites. Unlike purely functional downlights, this pendant creates a layered, residential feel that encourages guests to relax and feel at home. It acts as a jewel-like centerpiece, often suspended low over a seating area, a bedside table, or as a pair to frame a king-sized bed. The warm, sparkling light it produces is intended to complement rich materials like velvet upholstery, dark woods, and natural stone, adding a layer of perceived value and memorable design to the room.

How does this fixture create a welcoming guest room atmosphere?

A welcoming atmosphere is built on light quality. The Crystal Cube achieves this through three key factors. First, its high CRI (>95 Ra) ensures that the carefully chosen interior palette looks exactly as the designer intended, with vibrant colors and natural skin tones. Second, the available warm color temperatures, from the candle-like 2200K to the cozy 3000K, create a serene and intimate environment, shifting the room's mood from a transient space to a personal sanctuary. Finally, the precision-cut facets of the K9 crystal cubes refract and scatter the light, producing a dynamic sparkle and soft ambient glow that fills the room without the harshness of direct point sources, aiming for comfortable ambient levels around 100-150 lux.

Can the Crystal Cube be scaled for a hotel lobby or atrium?

Yes, the modular concept of the Crystal Cube is designed for scalability. For double-height lobbies, grand atriums, or over restaurant bars, we can engineer large-scale clusters or expansive, multi-tiered chandeliers based on the same cubic motif. The design process for a large-scale piece involves scaling the cage dimensions—for example, to a diameter of 1500mm or 2500mm—and increasing the number and arrangement of crystal elements. Our engineering team provides full structural support, including weight calculations (e.g., a 1500mm fixture may weigh over 80 kg), suspension point specifications, and detailed installation drawings to ensure seamless integration with the building's architecture.

What finish options are available to match interior design palettes?

To align with diverse interior schemes prevalent in US and European hotel design, we offer several standard finishes for the metal cage and canopy. Blackened brass provides a sophisticated, moody aesthetic popular in contemporary and industrial-luxe designs. Antique copper offers a warmer, more traditional feel, while matte black (RAL 9005) delivers a sharp, minimalist look. Beyond these standards, our customisation service allows specifiers to request virtually any finish, including brushed gold, polished nickel, or a specific RAL color to perfectly match other hardware or brand guidelines within the project, typically for a minimum order quantity.

Installation, control and compliance (DALI-2 / Casambi / 0-10V, CE / RoHS / ErP)

Flexibility in control is essential for modern hospitality environments. The Crystal Cube can be configured with drivers for any major dimming protocol. This includes simple mains/TRIAC dimming for standard rooms, 0-10V dimming common in North American projects, and DALI-2 for addressable, scene-setting control integrated into European building management systems. For ultimate flexibility, we can integrate Casambi wireless Bluetooth mesh control or DMX for dynamic applications. Full compliance is assured, with all fixtures bearing CE and RoHS marks for the EU market and adhering to ErP directives. For projects in the United States and Canada, UL or ETL listing is obtained on a project-specific basis to meet local code requirements. Our manufacturing facilities operate under an ISO9001:2015 certified quality management system.

Customisation, MOQ and lead time

Customisation is the foundation of our service. The process begins with your design brief, concept sketch, or architectural plans. Our team then develops detailed 3D renderings and technical drawings for your approval, typically within 7-10 business days. To validate the lighting effect, we conduct simulations using DIALux evo software, providing you with realistic visualizations and illuminance calculations. The Minimum Order Quantity (MOQ) for a fully custom Crystal Cube is just one (1) set, making it accessible for creating mock-up rooms or for use in exclusive, single-application spaces. The typical lead time ranges from 45 to 90 days, contingent on the complexity of the design, material availability, and the duration of the approval process.

Frequently Asked Questions

Q: What is the typical lead time for a custom Crystal Cube project?

A: The lead time for a bespoke Crystal Cube fixture is between 45 and 90 days from design approval to delivery. The initial design phase, which includes 3D renderings and technical drawings, takes approximately 7-10 business days. The MOQ is 1 set, allowing for fully tailored solutions without large volume commitments.

Q: Can the color temperature be adjusted by the guest?

A: Yes, we offer a tunable white option that allows the color temperature to be adjusted, typically within a range of 2200K to 3000K. This feature is usually implemented with a DALI Type 8 (DT8) driver, enabling control through a wall panel or an integrated room automation system for a personalized lighting experience.

Q: How are the crystal elements maintained?

A: The K9 crystal used is highly durable and requires minimal maintenance. For routine cleaning, a regular dusting with a dry, soft microfiber cloth is sufficient. For a more thorough clean, lightly dampen the cloth with a standard glass cleaning solution, ensuring no liquid comes into contact with electrical components. The crystal's Mohs hardness of 7 prevents easy scratching.

Q: What is the warranty, and what does it cover?

A: The Crystal Cube comes with a comprehensive 5-year warranty. This covers the entire fixture, including the LED light source against premature failure, the driver, and the structural integrity of the metalwork and crystal mounting. It guarantees performance to 50,000 hours at L80B10 under normal operating conditions.

Request IES files and a quotation

To move forward with your specification, our engineering team is ready to provide a complete package tailored to your project. This includes detailed quotations, material finish samples, and technical drawings. We supply full photometric data, including IES and LDT photometric files, for integration into your lighting design calculations, as well as 3D models in SKP or DWG formats for your architectural models. At XHLWX (led-project-light.com), a Custom Indoor LED Lighting Manufacturer based in China, we partner with you from concept to completion. Contact our engineering team today to start designing your Crystal Cube fixture.