The Summer Sale
Rings
Ref: C4550T
A vintage peridot and diamond ring. Featuring a round cut peridot flanked on either shoulder by a tapered baguette cut diamond. The stones lead to a polished platinum band.
The ring centres around the stunning bright green colour of the peridot, with the subtle sparkle of the diamonds helping to lift the piece. Perfect for a colourful cocktail ring, this is a one of a kind vintage ring.
Metal: Stamped ‘10% IRD PLAT’, tests platinum.
Stones: Peridot: 3.27cts. Diamond: 0.16cts.
UK Ring Size: M.
Dimensions: Centre stone: 10mm Band: 1.7mm.
Ref: D1203T
A modern diamond band ring. Featuring eight round brilliant cut diamonds, claw set in rose gold. The diamonds follow the band of the ring around, finishing in a polished rose gold band.
Metal: 14ct Rose Gold. UK Hallmarks.
Please Note: This ring can be made in yellow gold or platinum.
Stones: Diamond: 3.36cts.
Certificate: Each stone accompanied by a GIA certificate, stating the stones weigh 0.42cts each, I colour, SI1 clarity.
UK Ring Size: M.
Dimensions: Front Width: 4.5 mm. Band: 2 mm.
Ref: D1224T
A vintage diamond ring. Featuring a round brilliant cut diamond, set between a tapered baguette cut diamond on either shoulder. The ring is finished with a polished white gold band. A stylish diamond ring with timeless elegance.
Metal: Stamped ‘14KT’ White Gold.
Stones: Total Diamond Weight: 0.90cts.
Certificate: WGI Certificate No. WGI9634165422, Dated 31-10-2025. Stating the centre diamond is H colour, VS1 clarity, and weighs 0.75cts.
UK Ring Size: M 1/2.
Dimensions: Feature: 6 mm. Band 2 mm.
Ref: C8251T
A vintage five stone diamond ring. Featuring a line of five round brilliant cut diamonds, each claw set in white gold. The diamonds lead to split shoulders, and a polished white gold band.
The diamonds in this ring are beautifully matched, with a bright sparkle. Perfect as a stand alone ring, or stacked with multiple other diamond rings, this vintage number is sure to be an everyday favourite.
Metal: Tests 14ct White Gold.
Stones: Diamond: 0.45cts.
UK Ring Size: M.
Dimensions: Front Width: 3 mm. Band: 1 mm.
Please Note: This ring cannot be easily sized. Please email jewels@kojis.co.uk to enquire.
Ref: C7985T
A sculptural white gold and diamond ring. Featuring a tapered central band of diamonds, set with six round brilliant cut diamonds, graduated in size. The diamonds run vertically down the finger, and sit on a square band, slightly curved with cutout corners. The ring is presented in a Tadema Gallery box.
An unusual ring, celebrating strong, bold silhouettes. Dating to the mid-twentieth century, this ring is a unique statement. A one of a kind, vintage piece.
Signed: Maurice Desmousseaux.
Metal: 18ct White Gold. French Hallmarks, Partially Obscured.
Stones: Diamond: 0.75cts.
UK Ring Size: L 1/2.
Dimensions: Head: 12 x 24 mm. Band: 3.5 mm.
To enquire about complimentary resizing, please email jewels@kojis.co.uk.
Necklaces
Ref: Sapphire & Diamond Slider Pendant
A sapphire and diamond pendant. Featuring a round cut sapphire, surrounded by a cushion shaped diamond halo. The halo is set with sixteen round brilliant cut diamonds in white gold.
This necklace is a modern Kojis creation, centred around a saturated blue sapphire and with a refreshing take on the classic cluster. Suitable for everyday wear, and matching earrings available.
Metal: 18ct White Gold. UK Hallmarks.
Stones: Sapphire 0.34cts. Diamond: 0.11cts.
Certificate: Accompanied by Diamonds For Today Certificate.
Fittings: Lobster Clasp. Pendant Integrated on Chain.
Dimensions: Pendant: 7.5 x 7.5 mm. Chain: 46 cm.
Earrings
Ref: C9139T
A pair of vintage tanzanite and diamond earrings. Featuring central, oval-cut tanzanites, four claw set in yellow gold. The tanzanite sits in a gold disc with ribbed detailing and polished and brushed finishes. In a fan shape, on either side of the tanzanite, sit round brilliant cut diamonds set in white gold.
The tanzanites in these earrings are an excellent colour, with the beautiful rich purple that is so sought after in these stones. The diamonds and yellow gold borders lift the colour, and make the earrings even more striking when worn. Vintage, one of a kind earrings.
Era: C. 1980s.
Metal: Stamped '750' tests as 18ct YG
Stones: Tanzanite excellent colour. 11.3x8.8x6.9mm. Est 4cts each. Dia (48): 0.03cts. TW 1.40cts. G-H VS
Fittings: Post & Omega Clip.
Dimensions: Diameter: 25 mm.
Ref: C4114T
A modern pair of emerald and diamond earrings. These elegant clusters feature an oval-cut emerald, four-claw set in 18ct white golf. The emerald is surrounded by twelve round brilliant cut diamonds, arranged in a halo cluster setting that enhances the vibrant green of the stone. Crafted in white gold, these earrings are perfect for adding a touch of sophistication and colour to any occasion.
Metal: 18ct White Gold. UK Hallmarks.
Stones: Emerald: 1.50cts. Diamond: 0.60cts.
Fittings: Post & Butterfly.
Dimensions: Measures: 9.5 x 11 mm.
Ref: C2526T
A pair of ruby & diamond cluster earrings. Consisting of a round ruby, surrounded by round brilliant cut diamonds in a halo cluster. A delicate pair of earrings, with gorgeous bright rubies and sparkling diamonds. A modern Kojis creation.
Metal: 18ct Yellow or White Gold.
Stones: Ruby: 3mm. Diamond: 0.10cts.
Fittings: Post & Butterfly.
Dimensions: Diameter: 7 mm.
Ref: C2524T
A pair of sapphire and diamond cluster earrings. Consisting of round cut sapphires, surrounded by a halo of round brilliant cut diamonds. These earrings have an Art Deco inspiration, with a sleek and timeless design. A modern Kojis creation.
Metal: 18ct White or Yellow Gold.
Stones: Sapphire: 3 mm. Diamonds 0.10cts.
Fittings: Post and Butterfly.
Dimensions: Diameter: 7 mm.
Ref: C2525T
A pair of emerald and diamond cluster earrings. Consisting of a round cut emerald, surrounded by a halo of round brilliant cut diamonds. The earrings are delicate, with simple claw settings. Perfect for an easy everyday pair of earrings. These pieces are modern Kojis creations.
Metal: 18ct White or Yellow Gold.
Stones: Emerald: 3 mm. Diamonds: 0.10cts.
Fittings: Post & Butterfly.
Dimensions: Diameter: 7 mm.
Ref: C1637T
A pair of opal, multi-gemstone drop earrings. The earrings consist of triangular cut black boulder opal slices, with a fantastic play of colour ranging from red to blue. The opals hang from a gold gem set fleur-de-lys top, embellished with moonstone, tourmaline, and multi-coloured sapphires. The earrings are finished with a contrast of polished and textured gold.
These earrings are works of art, with dazzling colours in the opal drops. Absolutely one of a kind, vintage earrings.
Metal: 18ct. yellow gold.
Signed: Paula Crevoshay
Stones: Black Opal, Tourmaline, Moonstone, Sapphire.
Fittings: Post and butterfly fitting.
Dimensions: Length: 54 mm. Width: 22 mm.
Ref: Black Diamond Studs
A pair of round brilliant cut black diamond earrings. A contemporary twist on diamond stud earrings. Modern earrings, still sparkly.
Metal: 18ct White Gold. UK Hallmarks.
Stones: Black Diamonds.
Fittings: Post and butterfly fitting.
Dimensions: Diameter: 5 mm.
Brooches
Ref: K7796A
An early 20th Century Wedgwood bar brooch. Featuring a central figure in ceremonial robes. The ceramic is surrounded by four polished gold beads, and milgraine finished gold-work, set on a yellow gold bar brooch.
A beautiful example of Wedgwood jewellery, this brooch stands out with its elegant design and the blue colour of the ceramic. Wedgwood jasperware is a type of pottery first developed by Josiah Wedgwood in England in the 1770s. It is characterised by its unglazed, matte ‘biscuit’ finish and produced in a number of colours, with blue being the most common. A one of a kind, antique pice.
Era: Edwardian.
Metal: 9ct Yellow Gold. UK Hallmarks, Birmingham 1913. Pin Tests Base Metal.
Fittings: Pin & Hook. Safety Chain.
Dimensions: Measures: 4.8 x 2.5 cm.
Ref: D1234T
A vintage brown and white diamond three stone ring. Featuring a shield cut fancy brown diamond, flanked on either shoulder by a marquise cut white diamond. The stones lead to a polished yellow gold band.
This vintage ring plays with unusual silhouettes and shapes, contrasting the fancy brown shield cut with sparkling white marquise cut diamonds. A one of a kind, vintage ring.
Metal: Stamped ‘18K’ Yellow Gold.
Stones: Fancy Brown Diamond: 1.45cts. White Diamond: 0.50cts.
Certificate: WGI Certificate No. 9634167696. Stating the brown diamond weighs 1.45cts, SI1 clarity. White Diamonds weigh a total of 0.50cts, G-H colour, VS2 clarity.
UK Ring Size: O.
Dimensions: Front Width: 8 mm. Band: 1.50 mm.