Rachel Zoe's Cut Diamond Ring

Rachel Zoe get 10 carat cushion-cut diamond ring, designed by jeweler Neil Lane from her husband Rodger Berman

$70,000 Carrie Ann Inaba' Engagement Ring

Carrie Ann Inaba' engagement ring with 2 1/2 carat princess cut diamond solitaire ring from her boyfriend Jesse Sloan. The engagement ring is said to cost about $70,000.

5 Top Jewelry Brands And Design

United Brands LLC, a United States based company that deals in management and consulting, has launched its comprehensive list of leading brands of jewelry, diamonds. They are is:

1. Top 10 Jewelry Brands: Fashion Design

Roberto Coin
David Yurman
Kwiat
Marco Bicego
H. Stern
Zorab Creation
Oscar de la Renta
Aaron Basha
Le Vian
Kabana

2. Top 10 Jewelry Brands: Bridal Design

Neil Lane
Tacori
Simon G
Christopher Design
Scott Kay
Ritani
Verragio
Michael Beaudry
Jeff Cooper
A. Jaffe

3. Top 10 Jewelry Brands: Premium Luxury

Graff
Cartier
Harry Winston
Van Cleef & Arpels
Chopard
Fred Leighton
Piaget
Boucheron
Bvlguri
David Webb

4. Top 10 Jewelry Brands: Luxury

Cartier
Tiffany & Co.
Chopard
Carrera y Carrera
Mikimoto
Damiani
Buccellati
Chaumet
Piero Milano
de Grisogono

5. Top 10 Jewelry Designers

Neil Lane
Stephen Webster
Erica Courtney
Solange Azagury-Partridge
Martin Katz
Alan Friedman
Loree Rodkin
Lamont
Erica Courtney
Stefan Hafner