Fancy Yellow Ring -- 10K good deal?

[Chrisholmes]

Found a ring I am interested in but I have no idea if the asking price is reasonable or not. Can anyone help???

Description: One white gold ring with yellow gold setting, stamped 18k, containing the center colored diamond described in detail below. The ring also contains 74 round brilliant cut with an estimated total weight of 0.83ct., and 2 triangular brilliant cut with an estimated total weight of 0.31ct. All side stones are G-H color, VS1-SI1 clarity.

Center stone:

Shape and cut: Cut corner square mod. brilliant
Measurements: 6.50x6.40x4.60mm
Weight: 1.76ct.
Color grade: Fancy intense yellow
Clarity: SI3
Fluorescence: Medium blue
Depth: 71.9%
Table: 70%
Girdle: Thick Polished
Culet: None
Polish: Very Good
Symmetry: Very Good
The diamond is a cushion cut. Certification was performed by UGS - an affiliate of EGL-USA.
JEWELER IS ASKING $10K. IS THIS WORTH THAT OR SHOULD I BE NEGOTIATING FOR LESS? AND IF I SHOULD NEGOTIATE FOR LESS, WHAT WOULD THAT BE BASED ON?

Any help would be greatly appreciated.