A tanzanite and brilliant-cut diamond ring. Tanzanite calculated weight 2.05cts, based on estimated

A tanzanite, baguette and brilliant-cut diamond geometric dress ring,Tanzanite calculated weight 2.31cts, based on estimated dimensions of 8.8 by 7.1 by 4.1mms.Estimated total diamond weight 0.35ct.St

A sapphire and brilliant-cut diamond cluster ring.Sapphire calculated weight 1.58cts, based on estimated dimensions of 7.8 by 5.9 by 4.1mms.Estimated total diamond weight 0.50ct, H-J colour, SI1-P1 cl

A tanzanite and diamond cluster ring. The marquise-shape tanzanite, with brilliant-cut diamond surround. Estimated dimensions of tanzanite 13 by 6 by 4.2mms. Estimated total diamond weight 0.65ct. Rin

A diamond and tanzanite chevron ring. The alternating brilliant-cut diamond and square-shape tanzanite chevron line, to the angular band. Estimated total diamond weight 0.30ct. Weight 3.3gms.

A tanzanite and diamond dress ring. The oval-shape tanzanite, within a brilliant-cut diamond floral openwork surround, to the plain band. Estimated total diamond weight 0.20ct. Ring size N. Weight 3.9

Lady's 14kt white gold ring containing a cushion cut natural tanzanite, medium dark, slightly grayish, bluish violet color, estimated carat weight 3.58Ct surround by a halo of round brilliant cut diam

Ladies 18K yellow gold ring containing (1) 8x8mm trillion cut tanzanite with a medium dark hue along with (14) round brilliant cut diamonds with and estimated combined weight of 1/5ctw graded as G to

A yellow sapphire and old-cut diamond cluster ring. Sapphire calculated weight 20.06cts, based on estimated dimension of 17.35 by 13.5 by 10.2mms.Estimated total diamond weight 1.50cts, G-H colour, pr

An early 20th century platinum and 9ct gold blue zircon and single-cut diamond cluster ring.Zircon calculated weight 1.96cts, based on estimated dimensions of 6.85 by 4.5mms.Estimated total diamond we

A 1970s 18ct gold sapphire and single-cut diamond cluster ring. Sapphire calculated weight 0.95ct, based on estimated dimensions of 7.2 by 5.2 by 3mms.Estimated total diamond weight 0.35ct.Hallmarks f

Brilliant Cut Tanzanite and Diamond 14ct White Gold Ring: Tanzanite carat weight 1.35ct. Stone measures 7.1mm. Colour grade AA+. Stamped 14K and hallmarked Birmingham 585. There is a glistening halo o

A pair of ruby and brilliant-cut diamond cluster earrings.Rubies are glass-filled.Rubies calculated weight 1.82cts, based on estimated dimensions of one stone 6.8 by 5.2 by 3.2mms. Estimated total dia

A tanzanite and diamond bracelet. Designed as a series oval-shape tanzanites, with brilliant-cut diamond accent spacers. Estimated total diamond weight 0.40ct. Length 18cms. Weight 16.8gms.

A tanzanite and diamond pendant. The oval-shape tanzanite, with brilliant-cut diamond surround and surmount. Estimated total diamond weight 0.30ct. Length 2.7cms. Weight 4.5gms.

A 14ct gold tanzanite and diamond dress ring. The oval-shape tanzanite, with brilliant-cut diamond double sides and tapered baguette-cut diamond shoulders. Tanzanite weight 1ct. Total diamond weight 0

Platinum Lady's Tanzanite & Diamond ring having one cushion modified brilliant cut natural tanzanite, measuring 13.17 X 8.51 X 5.50 mm, exact weight 5.40 carats, GIA report #2175872498; and set with 8

A 9ct gold tanzanite and diamond cluster ring. The oval-shape tanzanite, with a brilliant-cut diamond surround and accent shoulders. Hallmarks for Birmingham. Ring size L. Weight 2.6gms. Overall condi

A 9ct gold tanzanite and diamond crossover ring. The oval-shape tanzanite, with brilliant-cut diamond curved shoulders. Hallmarks for Birmingham. Ring size M. Weight 2.1gms.

A 14ct yellow gold Tanzanite and diamond dress ring. Features one 6.43ct cushion cut Tanzanite and twelve round brilliant cut diamonds at 0.14ct total diamond weight in J-L colour with SI-1 - P-1 clar

Le Vian Tanzanite, diamond, and gold ring Set with a triangular-cut tanzanite and round brilliant-cut diamonds 18k yellow gold Signed Le Vian Ring size 6.50; Gross weight 5.5 dwts

Lady's platinum ring containing a 6.57Ct natural Tanzanite center stone, GIA Certificate, with 50 round brilliant cut diamonds, Clarity VS 1 - VS 2, Color G-I, total Carat weight .99Ct. Size 7. Weight

Tanzanite and diamond ring Signed AMJ Oval-cut tanzanite approx. 4.74 cts TW, round brilliant-cut diamonds 18k yellow gold Ring size 6; Gross weight 4.0 dwts

A 9ct gold tanzanite and diamond cluster ring. The marquise-shape tanzanite, within a single-cut diamond surround. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 2010. Ring size S. W

A TANZANITE AND DIAMOND RING Centering a rectangular-cut tanzanite, flanked by tapered-baguette-cut diamonds and further accented by gallery-set round brilliant-cut diamonds; signed UCG; estimated tan