London (J)

Assay Office

J&

MarkMakerDates seenSeen onComments
Johnston & Popley 1948 to 1987201818ct dress ring

JA

MarkMakerDates seenSeen onComments
John Alistair Donald 1972 201918ct abstract designed diamond set broochNoted maker

JK

MarkMakerDates seenSeen onComments
Chain Reaction (1991 to date) Ring
MarkMakerDates seenSeen onComments
A Private Individual2019A bespoke all platinum diamond set ring

JL

MarkMakerDates seenSeen onComments
Jadales Ltd 1960 – 19852019Dress ringEarly supplier to Signet Group

JO

MarkMakerDates seenSeen onComments
JoC (A private individual) 2018201818ct yellow and white gold bespoke diamond ring
MarkMakerDates seenSeen onComments
James Oliver Blackburn 1990201918ct diamond set ring

JP

MarkMakerDates seenSeen onComments
JPF (A private individual) 2004201918ct yellow and white gold two stone diamond crossover ring

JV

MarkMakerDates seenSeen onComments
Jessie Ve Ltd 20192019Platinum diamond set ringBespoke maker