1.9 carat diamond on finger clearance

Product Name: 1.9 carat diamond on finger clearance
Emerald Halo Engagement Ring, 1.9Ct G VS1 GIA – Kingofjewelry.com clearance, Completely in love with my 1.9ct (8.7 x 6.08) radiant ring but want it a tad bigger. Should I get a 2ct or 2.1ct? Or am I overthinking it and should just stick with the 1.9ct? : r/EngagementRings clearance, Kobelli 1.9ct Round Forever One Moissanite Solitaire Ring clearance, Emerald Halo Engagement Ring, 1.9Ct G VS1 GIA – Kingofjewelry.com clearance, 1.9 CT Emerald Cut Three Stone Moissanite Engagement Ring – Darby Diamonds LLC clearance.