New Zealand.  From the Monet series, "Summer", signed Peter Raos, 2002, NZ.
Diameter 2 7/8".

Obelisk - unknown maker
Clear paperweight with five-stripe swirl of white.  Signed. 
Abstract paperweight of dark green/grey glass with swirls of black and clay blue.  Bears some resemblance to the the British style of A.J. Thorneycroft.  This pontil is partially ground out however the piece is unsigned.  (Normally, the British weight would be scratch signed AJT with a date.)
Contemporary, yellow-green freeform weight with original label "Handmade by Ngwenya Glass, Kingdom of Swaziland, South Africa" (2001). 

India.  Ovoid shape with orange/brown/yellow frit 'flower' like shapes.  Base is ground, not polished.  Original paper label on base "Made in India".

Modern design.  Rows of white/gold/brown swirl over a bronze iridescent layer over clear.  Base is flat, unpolished.  Unsigned.  Diameter 2 7/8". 

Unusual red over white 'plaque' with painted gilt design over a deep blue/white ground.  The piece is eight-sided with eight fancy cuts at the top of each facet edge.  The base is slightly concave and polished to expose the white layer.  Four small drill holes in base suggest that this may have been designed to sit atop an object such as a jar, for example.  Unknown maker.  Source suggests that this is Belgian, certainly European.  Diameter 3 1/4", height 1 5/8". 

Red/amber flash, surface-painted with a white/grey 'water-lily' flower and trailing leaves.  The weight is six-sided with diamond cutting to a top point.  Unsigned.  Unknown maker.  Bears some similar characteristics as the previous weight.  Base is ground flat and polished.  Diameter 2 1/8", height 1 1/2".