Suspending a pendant of lozenge outline centering upon a ruby within a diamond and pink diamond surround

Metal: 18k white and rose gold
Ruby: One cushion shaped measuring approximately 6.98 x 5.44 x 3.67 mm as stated in GRS report
Diamonds: 60 round, 12 pear and round rose-cut diamonds with approximate total weight of 1.85 carats
Coloured diamonds: 19 round pink diamonds with approximate total weight of 0.23 carats
Size/Dimensions: Necklace 40.0 cm in length, pendant 3.4 x 2.2 cm
Marks: 750 K18G, 1.36 ct, D1.85 ct
Certificate: With report GRS2014-058801 dated 23 May 2014 from the Gem Research Swiss Lab (GRS) stating that the 1.36 carat ruby is of Mozambique origin, with no indication of thermal treatment
Gross weight: 6.7 grams

Please note that the pink diamonds have not been tested for natural color