Rings › 1.0Ct 18Kt Yellow Gold & Platinum Diamond Ring - SQ1430044 Image 1 of 1 1.0Ct 18Kt Yellow Gold & Platinum Diamond Ring - SQ1430044 $7,490.00 18Kt Yellow Gold & Platinum Emerald Cut Diamond Ring. GIA Certified SI/2. Tint SI/2. Finger Size N 1/2 Add To Cart Added! 18Kt Yellow Gold & Platinum Emerald Cut Diamond Ring. GIA Certified SI/2. Tint SI/2. Finger Size N 1/2