Nokia Lumia 630 went official just a few days ago. It is among the first smartphones to run Windows Phone 8.1 with Lumia Cyan out of the box. The smartphone is considered as a successor of the Lumia 620.
Nokia has announced the 3G Lumia 630 will launch in various EU and Asian markets this May for 119, while its dual-SIM sibling should set you back 129. The smartphone will be also released worldwide with LTE connectivity under the Lumia 635 moniker in July for 139. This is at least the official info, but as usual it doesn't include taxes or subsidies.
Nokia has begun taking pre-orders for the single and dual-SIM Lumia 630 in Russia via its official Nokia store. The single-SIM Lumia 630 is priced at 163 (RUB 7,990), while the dual-SIM version costs 173 (RUB 8,490). There is no official release date mentioned though.