The brooch is featured in Ann Pitman's Juliana Jewelry Reference Guide on page 61 with a value of $150 -$200.  The earrings are featured in Katerina Musetti's The Art of Juliana Jewelry on page 167, 

Delizza and Elster a/k/a Juliana Demi Parure

Brooch:  Absolutely magnificent large fuschia rivoli stone encrusted with fuschia navettes, raised rosette of fuschia chatons surrounded by aurora borealis chatons, green chatons, aurora borealis chatons, fuschia chatons, lavender navettes, two hoops of aurora borealis chatons and a large raised rosette of fuschia chaton surrounded by aurora borealis chatons in a heavy high quality gold tone finish.  Correct pin construction and puddling.   High profile, double tiered.  All stones prong set except the channel set aurora borealis chatons in the two hoops.

Measurements:  2" in diameter. 3/4" profile

In pristine condition.  All stones are present and brilliant.  No scratches, dings, or damage of any kind to the rivoli stone.  All prongs present and secure.  Minimal scratches on the back of the brooch. Takes nothing away from the beauty of this piece, only being mentioned for purposes of accuracy.   No flaking or discoloration to any of the goldtone.  Pin closure in perfect working condition. 

Earrings:  Single large fuschia rivoli stone surrounded by auora borealis chatons, pink chaton, green chaton and  fuschia and lavender navettes in a heavy high quality gold tone setting.  All stones are prong set

Measurements:  1 1/2" long, 1" wide, 1/4" profile

In pristine condition.  All stones present and brilliant.  All prongs present and brilliant.  No scratches, dings or damage of any kind to the rivoli stone.  No flaking or discoloration to the goldtone.  Clip ons in perfect working condition