She will surely say 'I do' to your proposal with a solitaire diamond ring that is as beautiful as it is unique. All Diamond offers this ERD certified solitaire diamond engagement ring, crafted with a 0.25ct G/SI quality diamond set in UK hallmarked 9k yellow gold. Our rings are meticulously designed to capture the unique individuality of each couple, while expressing their eternal love. This beautiful diamond engagement ring is offered with a lifetime workmanship guarantee and our insurance valuation certificate.