A superb quality .33 carat round brilliant cut lab-grown diamond solitaire engagement ring set in 9ct white gold.  IF (internally flawless)  clarity and E  colour.  Supplied with IGI certification upon delivery.  The lab-created diamond is laser inscribed with the matching report number as proof of authenticity.   IGI certificate.
An equivalent natural diamond would retail at five figures.
(UK buyers only and no bids from trade buyers permitted.) 
***Please note that the images comprising this listing are representative only.*** 
Notes:
***1.  The ring will be supplied in a different ring box from that shown in the listings images, which are for illustrative purposes only.***
***2.   A customised ring mount in a different style can be ordered (in 950 platinum if required) in the correct ring size according to the buyer's specific requirements for an additional charge, depending on the cost of the ring mount in question, which would be a special order.  Special orders may require 30 days+ in order to complete delivery of the finished ring.***   
***3.   A basic 18ct gold 4 claw ring mount will be supplied for the selling price, but in the event of the buyer having a non-standard ring size or if a 6 claw mount is required, then this will also entail an additional charge.     

Background:
By way of background, based in Hatton Garden, I have been in the jewellery trade as an independent jeweller specialising in private commissions for nearly 15 years.