The Diamond Collection was created on 2009-07-15.
The Neil Diamond Collection was created on 1999-11-23.
Based on the Bridal Diamond Collection Web site, below, Hollidaysburg, Pennsylvania.
A Collection ... was created in 1987.
The cast of Diamond Collection Double X 50 - 1991 includes: Kascha
The cast of Diamond Collection Double X 73 - 1993 includes: Kascha
The Who Collection was created in 1985-10.
The largest collection is probably in the hands of the DeBeers diamond organization.
You Were a Diamond was created in 1998.
Gold Collection was created on 1994-10-18.
The Sherbet Collection was created in 1976.
Quadratic - collection - was created in 1953.
Triton - collection - was created in 1949.