1ct Platinum Princess Diamond Solitaire Engagement Ring from SuperJeweler. This ring features our most popular diamond quality, priced incredibly low, particularly for a Platinum Diamond Solitaire Engagement Ring. She will love this ring and wear it forever. 3 Stars, I/J color, I1 clarity. Brand: Superjeweler Design: Novelty Style: Solitaire Resizable: Yes Adjustable: Yes Size/Dimensions: 5.5 Metal Stamp: 900 Platinum Diamond Color: G-J