- Main Stone: 8mm round cut natural London blue topaz

- Main Stone: 7x9mm emerald cut lab emerald

5x2mm marquise cut lab treated emerald

- Main Stone: 5x7mm pear cut ab treated emerald

- Main Stone: 6x8mm pear lab alexandrite

Unique vintage princess cut engagement ring three stone ring emerald ring color change Alexandrite engagement ring rose gold diamond ring London blue topaz - Main Stone: 8mm roundMetal: Solid gold(10K 14K 18K white yellow rose gold),925 sterling silver,platinum available Main Stone: 7mm princess cut lab treated alexandrite Accent Stone: 3mm round lab treated emeralds and real diamonds Can be personalized: Yes