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: 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.