9ct gold ruby-diamond three tier cluster ring

This 9ct gold three tier cluster ring is set with rubies and diamonds. The central top tier has a single ruby measuring 2x3mm. Tier two houses eight small diamond chips. The lower third tier has twelve 2mm round cut rubies. The tiered cluster rises 8mm above the ring band. All measurements are approximate.
 

The ring size is UK K.
 

The ring is hallmarked for 9ct gold, including the date letter for 1990.
 

Pre-owned, the ring is in very good condition. It does not have a box.

Please see photos as these form an important part of the description.