Cognac Diamond | 0.40ct Marquise Cut, Loose Gemstone
We take our diamonds like we take our cocktails; strong and full of flavour. This marquise cut cognac diamond is no exception. Sweet with dazzling facets, it’s easy to get lost in its centre as it moves. This stone could be worn as a solitaire, or balanced with beautiful white diamond side stones.
- 0.40ct Marquise Cut
- Cognac Diamond
- 7.42 x 3.86 x 2.26mm
- Supplier Code: JH
- Traceability Score: 3
- Would look beautiful in our Henrietta, or Natalia designs.
Our Bespoke Design Service allows you to work with our experienced Design Team to create something truly unique. Simply purchase your stone and pay your design deposit, and a member of our design team will be in touch.
Purchasing this stone for a gemstone proposal? We will dispatch your stone within 3-5 working days, and wait to hear from you before beginning the design process.
Want to find out more about this gemstone? Or can’t find what you’re searching for? Use the contact form below to speak to our Design Team.
Jessica Flinn makes rings in UK sizes from F to Z+6. 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.*
If you know your ring size, but not your UK size, you can use our converter here.
Ready-to-Ship rings can be resized approximately 3 sizes larger or 3 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.
All Jessica Flinn engagement and wedding rings are eligible for a complimentary resize within 3 months of delivery. If you choose to resize one of our Ready-to-Ship rings, this is classed as your complimentary resize.
Although many of our rings can be resized, some of our designs are more challenging than others. These include rings with shoulder stones, channel set diamonds and rings which are patterned all the way around. If you are unsure or have any questions about resizing, please speak to our design team.
*Please note - if you select "Send me a ring sizer" and your shipping address is outside of the UK, your free ring sizer will be subject to standard shipping charges. We will get in touch with you to arrange payment for the shipping of your free ring sizer.
Our made-to-order, bespoke and custom rings are available in 9ct, 14ct, 18ct Rose, Yellow or White Gold, or in Platinum. Our gold is 100% recycled, and our bespoke and custom ring design service also offers mixed metal settings.
Our ready-to-ship engagement and wedding rings are made in 18ct recycled golds and Platinum.
All of our rings are hallmarked to ensure they are of the fineness stated in each listing. Our hallmarking guide can be found here.
Our manufacturing process involves 3D printing and casting to create our unique pieces. Any dimensions stated on our product listings may vary slightly from finished pieces within standard casting tolerances.
Each ring is marked with the 'Jessica Flinn' logo, so you know it's authentic and ours.
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 18 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 engrave our rings with a nice, clean, simple font such as Calibri.
In addition to your engraving, all of our rings are hallmarked to ensure the precious metal used is of the fineness stated in each listing.
- Jessica Flinn Ring Box
- Velvet Pouch
- Valuation (where applicable)
- Diamond Certificate (where applicable for natural and lab grown white diamonds)
- Polishing Cloth
- Information about our recommended jewellery insurer
All orders are processed within 2-3 business days, Monday - Friday.
Our standard delivery aims
For our Ready-to-Ship items being resized, please allow 7-10 working days. Ready-to-Ship items without a resize are usually dispatched within 2-3 working days.
Our Made-to-Order, Bespoke and Custom products will be ready to dispatch in approximately 4-8 weeks.
For Fine Jewellery, please allow 2-3 working days.
Please allow an extra week for a personalised engraving.
If you require an item to be delivered by a particular date please email us on firstname.lastname@example.org before ordering.
Our UK delivery is always FREE of charge. Our European delivery is £14.99 and it's £19.99 to the rest of the world.
**Please note - if you have chosen EU or Worldwide delivery, your order may be subject to further customs/duty charges**
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.
We cannot accept returns of earrings under any circumstances due to hygiene reasons.
We love to share images of the beautiful designs our customers create on both our website and our social media channels. We may share images of your ring on these channels, and as a courtesy we will wait a reasonable period of time from dispatch before posting the images we take.
We also love to share your stunning wedding and proposal pictures, and thank you so much to all our customers that allow us to enjoy their special moment with them. If you send proposal or wedding pictures and videos to our inbox, we will take this as consent to share your images on our website and social media channels.
It is the responsibility of the customer to make us aware if you would not like us to share any content before a certain date, and if we do not hear from you regarding this we may share images of your design and/or wedding and proposal images on our website or social media channels at any time.
We, as the creators of the item(s), control intellectual property rights over the piece and can share photos and videos at our discretion.
We've partnered with both Klarna and PayPal Credit to help you spread the cost of your purchase.
For purchases under £1000 you can split the total cost into three equal payments, paid over three months.Spend over £1000 and there's the option to buy now and pay in 30 days. Both of these options are interest free.
PayPal Credit offers four equal interest free payments over four months. If you want to spread the cost over a longer period of time, it will be 19.9% APR thereafter.
There are also other ways to pay, including credit card, debit card, American Express, PayPal Express and more.
For more information on our payment options, click here.