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Theo Grace Custom Jewelry (Formerly MYKA)

Free Delivery on All Orders

100-Day Returns

2-Year Warranty

Sustainably Made

Wherever you are in the world, we’ve got you covered! Shipping to over 140 destinations globally with our reliable international partners

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Add Jewellery Protection Plan

Protect the jewellery you love & enjoy free returns, repairs or replacements, exclusive discounts 
and a seamless customer service that will allow you to wear our jewellery 
with confidence & peace of mind

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5-Year Jewellery Protection Plan

Not relevant

A 5 cm chain extender is a small accessory used to extend the length of a necklace or bracelet. It features a textured finish to match any style.<br />

Chain

Main Material

Chain Length

Pendant Measurements

Pendant Thickness

Chain Extender in 18ct Gold Vermeil-1

Chain Extender in 18ct Gold Vermeil-2

Chain Extender in 18ct Gold Vermeil

Medium

71131150006

Preview

Black & white

Clarendon

Juno

Normal

Sepia

Filters

Your Design

Image Quality

Personalize Photo

Personalize Your Design

Personalize Here

Your image quality may be too low for the new template size. Click <strong>Edit</strong> and re-save your design to make sure you get great results.

Good to know...

It's ok to keep it that way, but you might wanna write something of your own

Personalize Text

Customer Photos

Based on %n reviews

Reviews

Need help writing your gift note?

Try Again

Here's the message crafted for you! Feel free to review it and make any adjustments. If you're not completely satisfied, you can regenerate a new message.

Gift message helper

Wife

Husband

Partner

To make your gift truly special, please share the giftee's name or nickname. What do they go by?

Mother's Day

Birthday

Anniversary

Wedding

Congratulations

🥰 Heartfelt

💞 Romantic

🤣 Funny

🤵🏽 Formal

Share notes, cherished memories, or funny moment to make your message truly special.

Regenerate up to 3 times. After that, you'll loop through the options

Regenerate

SAVE GIFT MESSAGE

We would be delighted to assist you with a personalised gift message generated by AI. Simply inform us of your requirements and we will handle everything else.

Hi There. Welcome to Theo Grace’s Gift Note Assistant!

Your gift note:

In Time For Mother's Day

GENERATE LYRICS

GENERATE YOUR AI SONG	

REVIEW YOUR SONG

SAVE SONG

Unleash the potential of our AI song generator and experience the art of music tailored specifically for your taste.

Welcome! Let's get your AI song started!

I want to get exclusive offers and deals. See <a href='/articles/privacy-policy' target="_blank">Privacy Policy</a> for details.

We'll send you an E-mail as soon as this item is back in stock

You're In

Be the first to know when this is back in stock

Coming Back Soon!

Notify Me

SUSTAINABILITY

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Description & Materials

Instructions

<div class="delivery-teaser-top">      
  You can choose the delivery method during checkout:    
  </div>        
  <div class="shipping-methods-table-wrap">
  
    <div class="shipping-method-row-wrap">                    
      <div class="shipping-method-row">                        
        <div class="shipping-method-column column-one shipping-method-title">Method</div>                        
        <div class="shipping-method-column column-two shipping-method-title">Estimated Delivery Date</div>                    
      </div>                
    </div>  
    <div class="shipping-method-row-wrap">                 
      <div class="shipping-method-row" style="line-height: 20px;">                 
        <div class="shipping-method-column column-one dy-row-countries-1">Free Delivery</div>                     
        <div class="shipping-method-column column-two">                          
          <span>Get it <span class="set_date_format">26/05/2025 - 28/05/2025</span></span>
          
        </div>                
        <div class="site-element-event"></div>    
</div>  
    <div class="shipping-method-row-wrap">                 
      <div class="shipping-method-row" style="line-height: 20px;">                 
        <div class="shipping-method-column column-one dy-row-countries-1">Expedited Delivery</div>                     
        <div class="shipping-method-column column-two">                          
          <span>Get it <span class="set_date_format">26/05/2025 - 28/05/2025</span></span>
          
        </div>                
        <div class="site-element-event"></div>                   
    </div>
    <div class="shipping-method-row-wrap">                    
      <div class="shipping-method-row" style="line-height: 20px;">                        
        <div class="shipping-method-column column-one dy-row-countries-3">Express Delivery</div>                        
        <div class="shipping-method-column column-two">                            
          <span>Get it <span class="set_date_format">19/05/2025 - 20/05/2025</span></span>
          
        </div>    
        <div class="site-element-event"></div>                    
      </div>   	  
    </div>
 

</div>  
    <div class="shipping-method-row-wrap">                 
      <div class="shipping-method-row" style="line-height: 20px;">                 
        <div class="shipping-method-column column-one dy-row-countries-1">Free Delivery</div>                     
        <div class="shipping-method-column column-two">                          
          <span>Get it <span class="set_date_format">26/05/2025 - 28/05/2025</span></span>
          
        </div>                
        <div class="site-element-event"></div>                   
    </div>
    <div class="shipping-method-row-wrap">                    
      <div class="shipping-method-row" style="line-height: 20px;">                        
        <div class="shipping-method-column column-one dy-row-countries-3">Express Delivery</div>                        
        <div class="shipping-method-column column-two">                            
          <span>Get it <span class="set_date_format">19/05/2025 - 20/05/2025</span></span>
          
        </div>    
        <div class="site-element-event"></div>                    
      </div>   	  
    </div>
	 
	</div>
     <div class="dy-product-eta" id="first-method" style="display:none"></div>
     <div class="dy-product-eta" id="second-method" style="display:none">27/05/2025</div>    
     <div class="dy-product-eta" id="third-method" style="display:none">20/05/2025</div>
  </div>    
  
         
  <ul>
    <li style="list-style:disc; border-bottom: 0px !important;"><font class="delivery-teaser-bottom"> ﻿﻿﻿﻿You won't be charged any additional fees.</font></li>
    <li style="list-style:disc; border-bottom: 0px !important;"><font class="delivery-teaser-bottom"> Please note that the time frame mentioned above includes production time.</font></li>
    
  </ul>
  
  <br /><font><strong>Return Policy</strong><br />New, unworn items can be returned to <a href="https://www.theograce.co.uk/articles/return-policy">Theo Grace</a> within 100 days of delivery. Please note that personalised items are one-of-a-kind, and can only be returned for exchange or store credit.</font>

Shipping & Returns

You can choose the delivery method during checkout:

Estimated Delivery Date

Method

Information

Product Details

canonical

Theo Grace

A 5 cm chain extender is a small accessory used to extend the length of a necklace or bracelet. It features a textured finish to match any style.

Chain Extender in 18ct Gold Vermeil - Theo Grace (Formerly MYKA)

Free Engraving

To get your ring size right, simply align the card with the on-screen markings in the next step.

How to calibrate your screen using a Credit Card

Credit card is used as a universal tool to help with sizing accuracy.

Place your credit card on the image and use the +/- slider until the red lines match your card's height.

Let's get started!

Calibrate

Measurement Chart

Ring Size

Internal Diamater

Your ring size is:

How to measure your finger

Measure Finger

Welcome to our Ring Sizer!

USE A RING TO MEASURE

MEASURE MY FINGER

SEE THE MEASURMENT CHART

Choose your preferred method:

Ring Sizer

In the next step, place your ring on the screen. Adjust until you see the entire red circle inside your ring.

How to measure your ring

Tip: Use a ring that lies flat against the screen

Place your ring on the circle above. Use the +/- slider until the red circle appears inside the ring without any blue.