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Theo Grace Custom Jewellery (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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TGR UK

The Key to My Heart Necklace in glowing gold is a timeless way to keep your loved ones close. customise up to four delicate key charms with engraved initials, each one a symbol of someone special. Finished with a diamond-accented heart in your choice of enamel, it’s meaningful, personal, and made to shine.<div product-description=""><ul><li>Made of 18ct Gold Vermeil</li><li>Each key charm features 0.02ct lab-grown diamond </li><li>Heart lock charm features 0.10ct lab-grown diamond</li></ul><hr style="height:1px;border-width:0;color:gray;background-color:gray; margin-top:40px;" /> <h2><strong>Gold Vermeil</strong></h2> Theo Grace’s <a href="https://www.theograce.co.uk/categories/gold-vermeil-jewellery" target="_blank">gold vermeil jewelry</a> features a thick layer of 18ct gold over Sterling Silver for lasting quality and a rich finish. Curious? Learn more about <a href="https://www.theograce.co.uk/articles/what-is-gold-vermeil-jewellery" target="_blank">what is gold vermeil</a>.<hr style="height:1px;border-width:0;color:gray;background-color:gray; margin-top:40px;" /> <h2><strong>About Our Diamonds</strong></h2><p>Theo Grace’s <a href="https://www.theograce.co.uk/articles/lab-diamonds" target="_blank">lab-created diamonds</a> are made to the highest standards of purity and clarity, offering a responsible alternative to mined diamonds with complete traceability from their origin to the finished piece. Learn more about <a href="https://www.theograce.co.uk/categories/diamond-necklaces" target="_blank">what lab diamonds are</a> if you're curious to dive deeper.</p>

Nicky

Main Material

Chain Type

Chain Length

Chain Extension

Pendant Measurements

Pendant Thickness

Stone Type

Stone Clarity

Stone Colour

Average Carat Weight

Stone Shape

Key To My Heart Initial Necklace in Gold-5

Key To My Heart Initial Necklace in Gold-7

Key To My Heart Initial Necklace in Gold-2

Key To My Heart Initial Necklace in Gold-4

Key To My Heart Initial Necklace in Gold-3

Key To My Heart Initial Necklace in Gold-6

Key To My Heart Initial Necklace in Gold-1

Key To My Heart Initial Necklace in Gold

Medium

Preview

Black & white

Clarendon

Juno

Normal

Sepia

Filters

Your Design

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

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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.

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

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Your gift note:

In Time For Mother's Day

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Saint Patrick’s Day Jewellery

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">09/08/2025 - 11/08/2025</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">09/08/2025 - 11/08/2025</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">03/08/2025 - 04/08/2025</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">09/08/2025 - 11/08/2025</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">03/08/2025 - 04/08/2025</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">08/08/2025</div>    
     <div class="dy-product-eta" id="third-method" style="display:none">04/08/2025</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

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Information

Product Details

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Theo Grace

The Key to My Heart Necklace in glowing gold is a timeless way to keep your loved ones close. customise up to four delicate key charms with engraved initials, each one a symbol of someone special. Finished with a diamond-accented heart in your choice of enamel, it’s meaningful, personal, and made to shine.Made of 18ct Gold VermeilEach key charm features 0.02ct lab-grown diamond Heart lock charm features 0.10ct lab-grown diamond Gold Vermeil Theo Grace’s gold vermeil jewelry features a thick layer of 18ct gold over Sterling Silver for lasting quality and a rich finish. Curious? Learn more about what is gold vermeil. About Our DiamondsTheo Grace’s lab-created diamonds are made to the highest standards of purity and clarity, offering a responsible alternative to mined diamonds with complete traceability from their origin to the finished piece. Learn more about what lab diamonds are if you're curious to dive deeper.

Key To My Heart Initial Necklace in Gold - 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 measurement 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.