Jessica Flinn Designs

Callie - Delicate Lab Grown Diamond Trilogy Engagement Ring - Ready-to-Ship


Callie well and truly stole our hearts. A delicate trilogy ring, her stunning lab grown diamond dazzles on her forever finger.

The star of the show, of course her 0.45ct round brilliant cut white diamond. This is nestled between two beautiful smaller lab grown white diamonds held in claws just below. If this wasn't enough, her shoulders are set with more white diamonds on either side.

What we love most about Callie is her setting. Each claw elegantly flows from the centre of the ring, giving her a sense of movement and dance. 

Although Callie looks stunning when worn alone, her subtle shape means she nestles beautifully with our ribbon twist and wave wedding bands, including our Violet and Valerie rings.

Our Callie lab grown diamond trilogy ring features: 

  • Lab Grown 0.45ct Round Brilliant Cut Diamond (F colour | VS2 clarity)
  • 2 x 0.06ct Round Brilliant Cut Lab Grown Diamonds (2.50mm)
  • 20 x 0.004ct Round Brilliant Cut Lab Grown Diamonds (0.80mm)
  • Made in Platinum (90% recycled metal)
  • Currently a size N and can be resized three sizes up or down

More about our 'Cultured Diamonds' Collection 

A cultured, or lab grown, diamond is different to a natural diamond in one important way - it hasn’t been mined. Although we work hard to ensure all of our diamonds and gemstones are traceable, we know that our lab grown diamonds are 100% conflict free because they have been made in specialist labs around the world.

You could say that creating these beautiful diamonds without mining the earth is nothing short of magical. Why? Quite simply, this process achieves in months or even days, what nature takes billions of years to create. Using a seed diamond, the perfect conditions are created to grow and mature a stunning diamond, so you can wear and treasure it for a lifetime.

Ring Sizing

Jessica Flinn makes rings in UK sizes from F to Z1/2. Please refer to the size choices above to see what sizes this product is available in.

Not sure of your ring size? Select "Send me a free ring sizer" in the ring size field below. After you have checked out, we will pause your order, send you a ring sizer and then re-start your order when we have heard from you.

Ready-to-Ship rings can be resized approximately 4 sizes larger or 4 sizes smaller please allow 7-10 working days.

If you require a different size these can be made through our bespoke service please use the Contact form below.


Would you like to add a personal engraving on the inside of your ring?

Please type exactly what you want in the Engraving box (up to a maximum of 30 characters including spaces).  Please, be careful to type in Capitals or Lowercase characters exactly as you wish the engraving to appear on the ring. 

The laser engraving on the inside of your ring adds about 1 week to the delivery time.

You could write a special message, nicknames, the date of your wedding or your initials for example.  We engraved our rings with a nice, clean, simple font such as Helvetica.

Sorry we do not offer personalised engravings on our Damascus rings.

Included with your order
  • Jessica Flinn Branded Ring Box and gift bag

For rings with gemstones only:

  • Valuation Including Diamond Certificates Where Applicable
  • Polishing Cloth
Delivery Information

All orders are processed within 2-3 business days, Monday- Friday.

For our "Ready-to-Ship" items, resizing takes 7-10 days.

Our "Made-to-Order", "Bespoke" and "Customised" products will be ready to dispatch in approximatley 4-6 weeks. (Some items are currently taking up to 9 weeks due to unforseen COVID related delays). 

Please allow an extra week for a personalised engraving.

Our UK delivery is always FREE of charge.  Our European delivery is £14.99 and its £19.99 to the rest of the world.

For more information click here.


Goods that are personalised, bespoke, resized, engraved or made-to-order to your specific requirements are custom orders, which means that the item will be made, personalised or customised especially for you; because of this, these pieces of jewellery cannot be exchanged or returned under any circumstances.

However, if you order the wrong ring size we will do our best to resize it for you wherever possible.

The only exception to this would be if upon receiving the item a fault is present please contact us within a 14 day period.  For more information click here.

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