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ID #SA1223454
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Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring
Sandbanks Antiques
for sale €21,002     $22,797
£17,950
Sandbanks Antiques

Sandbanks Antiques

Sellingantiques Verified Since Jan 2025
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    Specialising in antique silver, gold boxes, gold coins and objects de vertu. Rare fine-quality imperial chinese porcelain, jades, cloisonné
Id #SA1223454
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Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring

1940 - 1960
Description

Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring, Circa 1960s (Possibly Later)

​An exquisite and timeless masterpiece by the celebrated London House, Kutchinsky, this full eternity ring captures the pinnacle of British luxury.

​Expertly crafted in solid PT950 platinum, the band is set throughout with a continuous row of brilliant-cut diamonds, totaling approximately 5.25 carats.

Each stone has been carefully selected for its luminosity, resulting in a display that is both bright and exceptionally lively.

​The interior of the band bears the prestigious "Kutchinsky" signature and the CLM lozenge mark, hallmarks of authenticity that guarantee this piece as an original work from one of the most storied names in fine jewellery.

With its solid platinum construction and impressive total diamond weight, this ring offers both significant intrinsic value and the enduring elegance synonymous with the Kutchinsky legacy.

​This piece is accompanied by its original maker’s case and carries esteemed provenance, preserving its complete history and collector appeal.

A sophisticated choice for the discerning collector, this eternity ring is not merely a piece of jewellery, but a wearable work of art from a golden age of design.

​Specifications

​Maker: Kutchinsky

​Period: Circa 1960s possibly later

​Metal: PT950 Platinum

​Total Diamond Weight: Approximately 5.25 cts

Gross weight approx: 5.5g

​Diamond Cut: Brilliant-cut

​Ring Size: Approx. N

​Condition: Overall good condition; stones are bright and lively

​Hallmarks: Signed Kutchinsky, PT950, with CLM lozenge mark

​Included: Original Kutchinsky LONDON maker’s black leather case and formal provenance documentation.

Declaration

Sandbanks Antiques has dated this Platinum Diamond Eternity Ring to the 1960s.

Reference Numbers
Sellingantiques Reference
SA1223454
Description
Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring, Circa 1960s (Possibly Later)
​An exquisite and timeless masterpiece by the celebrated London House, Kutchinsky, this full eternity ring captures the pinnacle of British luxury.
Sandbanks Antiques
fig 1. A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box.
fig 1. Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring

​Expertly crafted in solid PT950 platinum, the band is set throughout with a continuous row of brilliant-cut diamonds, totaling approximately 5.25 carats.

Each stone has been carefully selected for its luminosity, resulting in a display that is both bright and exceptionally lively.

fig 2. A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box.
fig 2. Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring

​The interior of the band bears the prestigious "Kutchinsky" signature and the CLM lozenge mark, hallmarks of authenticity that guarantee this piece as an original work from one of the most storied names in fine jewellery.

fig 3. A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box.
fig 3. Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring

With its solid platinum construction and impressive total diamond weight, this ring offers both significant intrinsic value and the enduring elegance synonymous with the Kutchinsky legacy.

​This piece is accompanied by its original maker’s case and carries esteemed provenance, preserving its complete history and collector appeal.

fig 4. A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box.
fig 4. Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring

A sophisticated choice for the discerning collector, this eternity ring is not merely a piece of jewellery, but a wearable work of art from a golden age of design.

​Specifications

​Maker: Kutchinsky

​Period: Circa 1960s possibly later

fig 5. A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box.
fig 5. Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring

​Metal: PT950 Platinum

​Total Diamond Weight: Approximately 5.25 cts

Gross weight approx: 5.5g

​Diamond Cut: Brilliant-cut

​Ring Size: Approx. N

​Condition: Overall good condition; stones are bright and lively

​Hallmarks: Signed Kutchinsky, PT950, with CLM lozenge mark

​Included: Original Kutchinsky LONDON maker’s black leather case and formal provenance documentation.

Date of Manufacture

Sandbanks Antiques has dated this Platinum Diamond Eternity Ring to the 1960s.

Reference Numbers
Sellingantiques Ref
SA1223454
Sandbanks Antiques
Sandbanks Antiques
Sellingantiques verified Since Jan 2025

Specialising in antique silver, gold boxes, gold coins and objects de vertu. Rare fine-quality imperial chinese porcelain, jades, cloisonné

Dealer Profile

You can view the stock and full dealer information on the Sandbanks Antiques Profile Page

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A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box.
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Archive I A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box.

Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring

Archive II A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View II
Archive III A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View III
Archive IV A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View IV
Archive V A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View V
Archive VI A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View VI
Archive VII A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View VII
Archive VIII A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View VIII
Archive IX A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View IX
Archive X A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View X
Archive XI A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View XI
Archive XII A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View XII
Archive XIII A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View XIII
Archive XIV A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View XIV
Archive XV A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box. View XV
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Location
Sandbanks
Poole
Dorset
United Kingdom

By appointment only in Poole or London.
Verified Since Jan 2025
Items For Sale 174
Items Sold 79
Sandbanks Antiques
Sandbanks Antiques
Verified Since Jan 2025
View Dealer Info
Location: Sandbanks, Poole, Dorset, United Kingdom, , By appointment only in Poole or London.
Verified
Jan 2025
For Sale
174
Sold
79
A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box.
Exceptional Signed Kutchinsky 5.25ct Diamond and Platinum Full Eternity Ring
Ref: SA1223454
A platinum full eternity ring set with round brilliant diamonds, displayed inside its original black leather Kutchinsky box.
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Every single antique dealer on our platform is individually approved by our internal team. We verify their professional trade history, ethical standards, and photographic quality to ensure a secure, high-standard buying environment. Upon joining, every dealer agrees to a strict 9-point code of conduct. While issues can occasionally arise, our dealers typically resolve them swiftly and directly with the buyer. In fact, since our founding in 2002, Sellingantiques has only had to step in to help resolve an issue on roughly five occasions—a true testament to the quality of our dealers and their dedication to your happiness.
Our dealers are highly experienced in packing and shipping fragile, high-value antiques. Because you are in direct contact with the dealer, you will be able to easily go through all available shipping and insurance options together to ensure your item arrives safely.
Antiques are the ultimate green purchase. By choosing historical pieces over newly manufactured goods, you completely eliminate the carbon footprint of modern mass production while preserving exceptional, timeless craftsmanship.

A full eternity ring features a continuous band of identically cut gemstones set around the entire circumference, symbolising unending love and commitment.

Fine eternity bands predominantly utilise platinum or 18ct gold, incorporating individual claw or channel settings to secure diamonds and maximise light dispersion.

Authentic pieces feature clear makers marks or engraved signatures, official purity hallmarks, high-grade gemstone consistency, and original maker-branded fitted presentation boxes.

Arranging fine jewellery inside open velvet trays or displaying original makers leather boxes creates an elegant, curated accent on vanity tables and dressing tops.

Clean the setting gently using warm water and a soft-bristled brush, store the piece in a soft cloth pouch, and have claw mountings professionally checked annually.
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