# Handcrafted Energy Core Tritium Necklace

Discover the glow that never fades. The **Handcrafted Energy Core Tritium Necklace** merges futuristic energy aesthetics with timeless silver craftsmanship. Inspired by sci-fi power modules, this pendant is made from **.999 fine silver**, hand-shaped and embedded with self-illuminating **tritium vials** that emit a steady glow for up to **25 years**, with no need for charging or exposure to light.

Every necklace is a quiet beacon of individuality—functional, durable, and deeply expressive. Whether you're drawn to minimalist design or a burst of cyberpunk color, this collection offers a glow that reflects your personal core.

Its glow performance is best seen in low-light environments, and we recommend watching our detailed real-shot video for a closer look.

**Available in Two Distinct Designs:**

-   **Single Vial Core** (Two Sizes)  
    A clean, modern form with a single tritium vial.
    
    -   _Large Core_: Vial size: 2×12 mm | Pendant: 22 × 9 × 5.5 mm
        
    -   _Small Core_: Vial size: 1.5×6 mm | Pendant: 16 × 9 × 5.5 mm
        
    -   Available in seven colors: Red, Orange, Yellow, Green, Cyan, Blue, Violet
        
-   **Seven-Vial Rainbow Core**  
    A bold, colorful expression featuring **seven 1.5×6 mm tritium vials** in a fixed rainbow sequence—from red to violet.
    
    -   Pendant Dimensions: **24 mm (L) × 9–10 mm (W) × ~3 mm (T)**
        
    -   Vials: 7 × 1.5×6 mm
        
    -   Color configuration: Fixed gradient (Red, Orange, Yellow, Green, Cyan, Blue, Violet)
        

Each necklace is meticulously handmade and requires around **7 days** for production.

**If you’d like a custom color combination for the seven-vial version, please select the seven-vial option and leave your preferred colors in the order notes. Please also include the color order, such as from top to bottom on the pendant. Multiple color combinations are supported.**  

**Product Details:**

-   **Product Name**: Handcrafted Energy Core Tritium Necklace
    
-   **Material**:
    
    -   Pendant: 999 Fine Silver
        
    -   Chain: 925 Sterling Silver
        
-   **Chain Length**: 70 cm (27.5 inches)
    
-   **Glow Source**: Tritium vials (self-luminous, no charging required)
    
-   **Glow Duration**: Up to 25 years
    
-   **Craftsmanship**: 100% Handmade | Production time: ~7 days
    
-   **Design Variants**:
    
    -   **Single Vial Version**
        
        -   Large: 22 × 9 × 5.5 mm (Vial: 2×12 mm)
            
        -   Small: 16 × 9 × 5.5 mm (Vial: 1.5×6 mm)
            
        -   Colors: Red, Orange, Yellow, Green, Cyan, Blue, Violet
            
    -   **Seven-Vial Rainbow Version**
        
        -   Size: 24 × 9–10 × ~3 mm
            
        -   Vials: 7 × 1.5×6 mm
            
        -   Colors: Fixed Rainbow (R, O, Y, G, C, B, V)
            
-   **Included Items**:
    
    -   1× Tritium Pendant
        
    -   1× 925 Sterling Silver Chain
        
    -   1×  Silver Jewelry Polishing Stick. (Helps gently clean silver jewelry and remove tarnish or surface stains caused by daily wear.)

## Details

- **Price:** 245.0 GBP - 370.0 GBP
- **Vendor:** LOVELY ROBIN
- **Tags:** rainbow neckless, Tritium, Tritium jewelry, Tritium necklace, Tritium Pendant

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Rainbow Core (Seven Vials) / Rainbow Core (Seven Vials) | 370.00 GBP | In stock |
| Rainbow Core (Seven Vials) / Cyan / Ice Blue | 370.00 GBP | In stock |
| Rainbow Core (Seven Vials) / Orange | 370.00 GBP | In stock |
| Rainbow Core (Seven Vials) / Green | 370.00 GBP | In stock |
| Rainbow Core (Seven Vials) / Yellow | 370.00 GBP | In stock |
| Rainbow Core (Seven Vials) / Red | 370.00 GBP | In stock |
| Rainbow Core (Seven Vials) / Blue | 370.00 GBP | In stock |
| Rainbow Core (Seven Vials) / ‌Purple | 370.00 GBP | In stock |
| Single Vial – Small / Rainbow Core (Seven Vials) | 245.00 GBP | In stock |
| Single Vial – Small / Cyan / Ice Blue | 245.00 GBP | In stock |
| Single Vial – Small / Orange | 245.00 GBP | In stock |
| Single Vial – Small / Green | 245.00 GBP | In stock |
| Single Vial – Small / Yellow | 245.00 GBP | In stock |
| Single Vial – Small / Red | 245.00 GBP | In stock |
| Single Vial – Small / Blue | 245.00 GBP | In stock |
| Single Vial – Small / ‌Purple | 245.00 GBP | In stock |
| Single Vial – Large / Rainbow Core (Seven Vials) | 270.00 GBP | In stock |
| Single Vial – Large / Cyan / Ice Blue | 270.00 GBP | In stock |
| Single Vial – Large / Orange | 270.00 GBP | In stock |
| Single Vial – Large / Green | 270.00 GBP | In stock |
| Single Vial – Large / Yellow | 270.00 GBP | In stock |
| Single Vial – Large / Red | 270.00 GBP | In stock |
| Single Vial – Large / Blue | 270.00 GBP | In stock |
| Single Vial – Large / ‌Purple | 270.00 GBP | In stock |

## Images

- Handcrafted Energy Core Tritium Necklace
- Handcrafted Energy Core Tritium Necklace
- Handcrafted Energy Core Tritium Necklace1
- Handcrafted Energy Core Tritium Necklace
- Handcrafted Energy Core Tritium Necklace
- Handcrafted Energy Core Tritium Necklace
- Handcrafted Energy Core Tritium Necklace
- Handcrafted Energy Core Tritium Necklace
- Handcrafted Energy Core Tritium Necklace
- Handcrafted Energy Core Tritium Necklace

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> Source: [LOVELY ROBIN](https://www.lovelyrobin.com/products/handcrafted-energy-core-tritium-necklace)
> Updated: 2026-08-19