An early 20th century 18ct gold and platinum diamond siAn early 20th century 18ct gold and platinum diamond single-stone ring. The old-cut diamond, to the plain band. Estimated diamond weight 2cts, tinted colour, VS2-SI clarity. Weight 2.7gms.See Sold Price
SoldAn early 20th century 18ct gold and platinum diamondAn early 20th century 18ct gold and platinum diamond ring. The old-cut diamond collet, to the similarly-cut diamond trefoil sides and plain band. Estimated total diamond weight 0.60ct, J-K colour, P1See Sold Price
SoldAn early 20th century 18ct gold and platinum diamondAn early 20th century 18ct gold and platinum diamond cluster ring. The circular-cut diamond, within a circular-cut diamond surround, to the tapered band. Estimated total diamond weight 0.45ct. WeightSee Sold Price
SoldAn early 20th century 18ct gold and platinum diamondAn early 20th century 18ct gold and platinum diamond cluster ring. Of rectangular-shape outline, the old-cut diamond with similarly-cut diamond scalloped surround. Estimated total diamond weight 0.50cSee Sold Price
SoldAn early 20th century 18ct gold and platinum diamondAn early 20th century 18ct gold and platinum diamond cluster ring. The old-cut diamond, with similarly-cut diamond halo and sides. Estimated total diamond weight 0.80ct. Approximate ring size O. WeighSee Sold Price
SoldAn early 20th century 18ct gold and platinum diamondAn early 20th century 18ct gold and platinum diamond cluster ring. Of marquise-shape outline, the old-cut diamond panel with scalloped surround, to the plain band. Estimated total diamond weight 1ct.See Sold Price
SoldTwo early 20th century 18ct gold and platinum diamondTwo early 20th century 18ct gold and platinum diamond cluster rings. Each set with single-cut diamonds, to the textured shoulders and plain band. Estimated total diamond weight 0.10ct. Weight 4.8gms.See Sold Price
SoldAn early 20th century 18ct gold and platinum diamondAn early 20th century 18ct gold and platinum diamond quatrefoil ring. The single-cut diamond quatrefoil, with openwork and textured surround, to the tapered band. Estimated total diamond weight 0.10ctSee Sold Price
SoldTwo early 20th century 18ct gold and platinum diamondTwo early 20th century 18ct gold and platinum diamond dress rings. To include a single-cut diamond cluster within a scalloped surround, together with a single-cut diamond dress ring. Estimated total dSee Sold Price
SoldAn early 20th century 18ct gold and platinum diamondAn early 20th century 18ct gold and platinum diamond five-stone ring. Designed as a graduated circular-cut diamond line collet, with tapered shoulders. Estimated total diamond weight 1.20cts, I-J coloSee Sold Price
SoldAn early 20th century 18ct gold and platinum diamondAn early 20th century 18ct gold and platinum diamond single-stone ring. A brilliant-cut diamond, with single-cut diamond sides and plain band. Principal diamond estimated weight 0.40ct, I-J colour, SISee Sold Price
SoldAn early 20th century 18ct gold and platinum diamoAn early 20th century 18ct gold and platinum diamond five-stone ring. The graduated old-cut diamonds, to the plain band. Estimated total diamond weight 1ct, J-K colour, SI1-P1 clarity. Weight 2.8gms.See Sold Price
SoldA pair of early 20th century 18ct gold and platinumA pair of early 20th century 18ct gold and platinum diamond cufflinks. Each designed as two cushion-shape panels, with engine turned motif and central old-cut diamond collet, connected by a belcher-liSee Sold Price
SoldTwo early 29th century 18ct gold and platinum diamondTwo early 20th century 18ct gold and platinum diamond dress rings. To include a single-cut diamond cluster ring with scalloped surround, together with a square-shape old-cut diamond cluster ring. EstiSee Sold Price
SoldAn early 20th century 18ct gold sapphire and diamond drAn early 20th century 18ct gold and platinum sapphire and diamond dress ring. The single-cut diamond, within square-shape sapphire lozenge surround, to the single-cut diamond border and plain band. EsSee Sold Price
SoldTwo dress rings.Two dress rings. To include an early 20th century 18ct gold and platinum rose-cut diamond cluster ring, together with a rectangular-shape green enamel dress ring. Total weight 4.6gms.See Sold Price
SoldAn early 20th century continental ruby, diamond and culAn early 20th century continental 18ct gold and platinum ruby, diamond and cultured pearl bow brooch. The cultured pearl and rose-cut diamond bow, suspending two square-shape ruby lines, with rose-cutSee Sold Price
SoldAn early 20th century 18ct gold and platinum sapphireAn early 20th century 18ct gold and platinum sapphire and diamond dress ring. The square-shape sapphire, to the single-cut diamond plaque surround and similarly-cut diamond collet shoulders. EstimatedSee Sold Price
SoldTwo diamond rings.Two diamond rings. To include an early 20th century 18ct gold and platinum single-cut diamond three-stone ring and a 9ct gold single-cut diamond four-row band ring. Estimated total diamond weight 0.80See Sold Price
SoldAn early 20th century 18ct gold and platinum sapphireAn early 20th century 18ct gold and platinum sapphire and diamond ring. The square-shape sapphire, to the old-cut diamond asymmetric sides and plain band. Weight 1.7gms.See Sold Price
SoldAn early 20th century 18ct gold turquoise and diamondAn early 20th century 18ct gold and platinum turquoise and diamond cluster ring. The circular turquoise cabochon, within an old-cut diamond scalloped surround. Estimated total diamond weight 0.25ct. WSee Sold Price
SoldA selection of five diamond three-stone rings.A selection of five diamond three-stone rings. To include four early 20th century 18ct gold and platinum old-cut diamond rings and a brilliant-cut diamond three-stone ring. Estimated total diamond weiSee Sold Price
SoldTwo early to mid 20th century 18ct gold and platinumTwo early to mid 20th century 18ct gold and platinum sapphire and diamond rings. To include a square-shape sapphire ring with vari-cut diamond geometric surround and sides, together with a similarly-sSee Sold Price
SoldA set of early 20th century 18ct gold and platinumA set of early 20th century 18ct gold and platinum mother-of-pearl and diamond dress studs. Each designed as an old-cut diamond collet, within a mother-of-pearl surround with engraved border. EstimateSee Sold Price
An early 20th Century gold, platinum and diamond braceletOstantix Auctions4.4(10)See Sold PriceFeb 27, 2024
