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Hallmark Cg

Antique Silver Plated Arts & Crafts CG & Co Milk Serving Rattan Handle Jug
Located in London, GB
looped handle. Hallmarked: CG & Co. Silver Plated. In good vintage condition. I have detailed in the
Category

Early 20th Century British Arts and Crafts Sheffield and Silverplate

Materials

Silver Plate

Vintage 1974 0.54 Carat Diamond Hallmarked Eternity Ring 18 Carat White Gold
Located in Hamilton, AU
are estimated to total 0.54 carats with F colour and VS to SI clarity grades. Hallmarks CG&S
Category

20th Century Unknown Modern Band Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

Vintage Hallmarked 1972 Australian Opal & Diamond Ring 18 Carat Yellow Gold
Located in Hamilton, AU
. The opals condition is consistent with age and wear. Hallmarks CG&S - Maker's mark for Charles Green
Category

Vintage 1970s Unknown Modern Engagement Rings

Materials

Diamond, Opal, Gold, 18k Gold, Yellow Gold

Sylvia Stave, shaker, produced by court jeweller CG Hallberg, Swedish Grace
By CG Hallberg, Sylvia Stave
Located in Stockholm, SE
Silver-plated shaker designed by Sylvia Stave for court jeweller CG Hallberg, Sweden 1930s
Category

Vintage 1930s Swedish Scandinavian Modern Barware

Materials

Silver Plate

Pewter bonbonnière, by Sylvia Stave, CG Hallberg, Swedish Grace /Art Deco 1933
By CG Hallberg, Sylvia Stave
Located in Stockholm, SE
. Manufactured by CG. Hallberg, with hallmarks. In good condition. Smaller signs of age and wear. About the
Category

Vintage 1930s Swedish Art Deco Decorative Boxes

Materials

Pewter

Pair of Candelabras in Pewter and Brass by C.G. Hallberg, Sweden, 1933
By CG Hallberg
Located in Hägersten, SE
brass. Good vintage condition with age related signs of wear and patina. Signed with hallmarks. Saint
Category

Vintage 1930s Swedish Scandinavian Modern Candelabras

Materials

Brass, Pewter

Pair Art Deco Swedish Silver 3 Branch Candelabras Candlesticks C.G.Hallberg 1927
By CG Hallberg
Located in Portland, OR
candlesticks are hallmarked for C G Hallberg and dated 1927. Condition is very good, weight is 1293 Grams.
Category

Vintage 1920s Swedish Art Deco Candelabras

Materials

Silver

"Grapes and Crested Birds", Art Deco Sterling Silver Bonbonnière, Sweden
By CG Hallberg
Located in Philadelphia, PA
Hallberg hallmarks on the base.
Category

Vintage 1920s Swedish Art Deco Sterling Silver

Materials

Silver

Hallberg Swedish Silver 1919 Art Nouveau Hand Hammered Compote Bowl
By CG Hallberg
Located in New York, NY
'' in height by 7 1/4'' in diameter, weighs 17.2 troy ounces, and bears hallmarks and an inscription as
Category

Vintage 1910s Swedish Art Nouveau Sterling Silver

Materials

Silver

Heavy 18 Carat Gold Amethyst and Diamond Retro Statement Ring CG&S
Located in St Helens, GB
HALLMARKS ; full set of hallmarks
Category

20th Century Engagement Rings

Materials

Amethyst, Diamond, Gold

Three-piece Desk Set in gilded silver. Swedish Grace from CG Hallbergs from 1929
Located in Knivsta, SE
A beautiful Three-piece Desk Set in gilded silver. Very period Swedish Grace from CG Hallbergs in
Category

Vintage 1920s Swedish Art Deco Desk Sets

Materials

Carrara Marble, Silver

Antique 1900s Yellow Gold Locket Signet Ring with Enamel
Located in Jesmond, Newcastle Upon Tyne
Office hallmark (anchor) and the maker's mark for Charles Green & Sons (CG&S). Condition This unusual
Category

Antique Early 1900s English Signet Rings

Materials

18k Gold, Yellow Gold, Enamel

Vintage Midcentury Platinum and Gold Band Ring by Charles Green & Son
Located in Stamford, CT
engagement ring. The hallmarks show the ring is from Birmingham c. 1959. Makers mark is CG&S. English origin
Category

Mid-20th Century British Modern Band Rings

Materials

Gold, Platinum

Early 19th Century Georgian Sterling Silver Cream Jug, English, Dated 1811
Located in Ottawa, Ontario
ounces). Void of hallmarks due to an early repair to the rim, the underside of the base showing stippled
Category

Antique Early 19th Century English George III Sterling Silver

Materials

Sterling Silver

Victorian 2.66 Carat Agate and 18k Yellow Gold Masonic Ring
Located in Jesmond, Newcastle Upon Tyne
exceptional ring is hallmarked to the interior of the shank with the maker’s mark (CG), the gold guarantee
Category

Antique 1890s Unknown Cocktail Rings

Materials

Agate, Yellow Gold

Vintage Charles Green & Son Padlock Gold Link Bracelet English Fine Jewelry
Located in Montreal, QC
closure clasp by Charles Green & Son Ltd. U.K. United Kingdom. Marked: CG&S. Hallmark corresponds to
Category

Late 20th Century British Modernist Link Bracelets

Materials

Gold, 18k Gold, Yellow Gold

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By Cartier
Located in Dallas, TX
Classic and lovely! This Trinity de Cartier ring is composed of 18 karat white gold, supports 1.00 ct of diamonds and is a size 4 1/2.
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21st Century and Contemporary Contemporary Band Rings

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Diamond, 18k Gold, White Gold

2.60 Carat Natural Diamond Eternity Band 14 Karat White Gold Ring
Located in Great Neck, NY
2.60 Carat Natural Diamond Eternity Band 14 Karat White Gold Ring Natural round diamonds, Average Color I-J Clarity SI. Ring Size 10
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2010s American Band Rings

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Cartier Trinity Ring
By Cartier
Located in New York, NY
Finely crafted in 18k yellow, white, and rose gold. Signed by Cartier, from their Trinity Collection Size 55, fits US 6 3/4
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21st Century and Contemporary Band Rings

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Antique Georg Roth Hanau German Silver Figural Revival Five-Piece Tea Set
By Georg Roth
Located in Cape May, NJ
Antique Georg Roth Hanau Germany 800 silver figural revival five-piece tea set, circa 1890 The piece was made in Hanau Germany ins the late 19th century in the Renaissance Revival...
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Antique 1890s German Renaissance Revival Tea Sets

Materials

Silver

Vintage 13.20 Carat Cabochon Cut Coral and Yellow Gold Ring, Circa 1950
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive vintage 13.20 carat coral and 14 karat yellow gold cocktail ring; part of our diverse gemstone jewelry collections. This impressive 1950s vintage cabochon cut ...
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Coral, Yellow Gold

Vintage 7.36 Carat Cabochon Cut Red Coral and Diamond White Gold Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
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Diamond, Coral, Gold, White Gold, 18k Gold

Cartier Tri Colour Cartier Trinity Ring
By Cartier
Located in Toronto, Ontario
The famous Cartier Trinity ring. Featuring three intersecting 18K white, yellow, and rose gold band rings. High polished finish with a vintage patina. Fully signed interior with Cart...
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Late 20th Century French Band Rings

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18k Gold

Cabochon Coral Ring in 14K Yellow Gold
Located in Hong Kong, HK
This ring is a stunning piece of jewelry crafted from 14-karat yellow gold, featuring a large, round coral center stone weighing 7.0 carats. The coral has a delicate pink hue that ex...
Category

21st Century and Contemporary Hong Kong Contemporary Cluster Rings

Materials

Coral, 14k Gold, Yellow Gold

Cartier Trinity Tri-Gold Classic Knot Cufflinks
By Cartier
Located in New York, NY
These modern Cartier cufflinks from the classic Trinity collection feature a chic knot design made in solid 18k yellow, white, and rose gold. Measurements: 0.38" (10mm) back, 0.55" (...
Category

21st Century and Contemporary French Cufflinks

Materials

18k Gold, Rose Gold, White Gold, Yellow Gold

Cartier 18K Gold Trinity Bracelet
By Cartier
Located in Paris, FR
Amazing Vintage 3 Cartier bracelets in gold 18K. Cartier signature on it. One diamond is missing (see pictures) Original vintage one. Please find the measurements : Circumference (...
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Late 20th Century French Bangles

Materials

Diamond, 18k Gold

Cartier 18K Gold Trinity Bracelet
Cartier 18K Gold Trinity Bracelet
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H 0.14 in Dm 2.64 in
Cartier Trinity Diamond Yellow Gold Bracelet
By Cartier
Located in Feasterville, PA
A magnificent Cartier "Trinity" bangle, 6.45ct of round brilliant cut diamonds grace the full length of each of these 18k Yellow Gold Trinity Bangles. The bracelet measures a size me...
Category

Early 2000s Bangles

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold

1940s Cabochon Cut Coral and 14K Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive 14 karat yellow gold vintage coral cocktail ring; part of our diverse vintage jewelry and estate jewelry collections. This fine and impressive vintage cabochon...
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Vintage 1940s German Cocktail Rings

Materials

Coral, 14k Gold, Yellow Gold

Diamond 18 Karat Gold Bespoke 0.50 Carat Round Men's UK Hallmarked Signet Ring
By Tresor Paris
Located in London, GB
0.50 Carat Round Brilliant White Diamond Men's Signet Style ring is set in 18 Karat Yellow Gold. Size UK - R, US - 8 3/4, color H clarity SI1. Made by Hasbani Diamonds and is availab...
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2010s British Modern Signet Rings

Materials

White Diamond, Diamond, Gold, Yellow Gold, White Gold, Rose Gold, 18k Gold

THEO FENNEL Solid Sterling Silver/Enamel Skull Ring
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Located in Newport Coast, CA
Theo Fennell Alias Sterling Silver and Enamel Snake Skull Ring. Heavy ring 39.8grams. Big, and bold! Detailed Gray/black enamel snake. The face of the ring measures approximately 35....
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English Staffordshire Apostle Jug with 8 Saints in Gothic Arches Circa 1842
Located in Chicago, IL
Absolutely stunning Antique English Staffordshire Whiteware Apostle Jug. Highly decorated with amazing detail, this Jug has phenomenal personality. The design was registered March 17...
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Antique 1840s British Renaissance Pitchers

Materials

Pottery

Antique French Authentic Ceramic Water Pitcher, or 'Cruche' with Handle and Lid
Located in Chicago, IL
Antique French authentic ceramic water pitcher, or 'cruche', with an unbroken handle and complete with its original lid. The antique French jug or pitcher was made of ochre-glazed te...
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Antique Early 1900s French Country Pottery

Materials

Pottery

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Swedish pewter box, by court jeweler CG Hallberg, 1936/K8
By CG Hallberg
Located in Stockholm, SE
A rare pewter box with decor of rose on lid. Made by court jeweler CG Hallberg, Sweden 1936 (K8
Category

Vintage 1930s Swedish Art Deco Decorative Boxes

Materials

Pewter

Swedish pewter box, by court jeweler CG Hallberg, 1936/K8
Swedish pewter box, by court jeweler CG Hallberg, 1936/K8
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H 2.37 in W 3.35 in D 3.15 in
Swedish pewter box, decor of rose by court jeweler CG Hallberg, 1933/G8
By CG Hallberg
Located in Stockholm, SE
Pewter box with decor of rose, made by swedish court jeweler CG Hallberg, in 1933 (G8). With
Category

Vintage 1930s Swedish Art Deco Decorative Boxes

Materials

Pewter

Yellow Gold Serpent with Ruby Eyes Necklace
Located in Chevy Chase, MD
: 20.00 inches (adjustable) Signature: CG Hallmark: 18K
Category

Mid-20th Century Rope Necklaces

Materials

Ruby, 18k Gold

French Amethyst Cocktail Ring Vintage 18 Karat Gold Oval Cut Estate Jewelry
Located in Torrance, CA
by "CG" yet we have not been able to identify the maker. Particulars: Weight: 6.1 grams Stones
Category

Mid-20th Century French Modern Cocktail Rings

Materials

Amethyst, 18k Gold, Yellow Gold

Yellow Gold Amethyst Cocktail Solitaire Ring, 9k Oval Cut 4.50ct
Located in Greensboro, NC
(north to south): 19/32" (14.7mm) Rise Above Finger: 3/16 (4.2mm) Weight: 7.0 Grams Stamps: .375, CG
Category

20th Century More Rings

Materials

Amethyst, Yellow Gold

Silver and Blue Guilloche Enamel Sub Miniature Carriage Clock, 1900
Located in Braintree, GB
1900 English silversmith Import hallmarks Makers mark: CG London import mark dated 1912
Category

Antique Early 1900s Swiss Table Clocks and Desk Clocks

Materials

Sterling Silver, Enamel

Antique 1900s Yellow Gold Signet Locket Ring with Enamel
Located in Jesmond, Newcastle Upon Tyne
Office hallmark (anchor) and the maker's mark for Charles Green & Sons (CG&S). Condition This unusual
Category

Antique Early 1900s English Signet Rings

Materials

18k Gold, Yellow Gold, Enamel

Unconquered Virtue Is Glorious - 18ct Gold Intaglio Signet Ring
Located in Glasgow, GB
'. The ring includes hallmarks from the Sheffield Assay Office, with the date letter 'E' indicating it
Category

Vintage 1970s British Modern Signet Rings

Materials

Gold, 18k Gold, Yellow Gold

Vintage Garnet Citrine Anniversary Band 9 Karat Gold Wedding Stacking Ring
Located in Torrance, CA
first hallmark is the Makers Mark "CG" followed by "375" (gold content mark) and a Leopards head (Mark
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20th Century British Band Rings

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Citrine, Yellow Gold

18ct Gold Intaglio Signet Ring, Charles Green & Son, 1988
Located in Glasgow, GB
engraved intaglio of a bird above a coronet, and plain shank. The ring is hallmarked with Birmingham assay
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Vintage 1980s British Modern Signet Rings

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Gold, 18k Gold, Yellow Gold

Platinum 1.70 Carat Solitaire Old European Diamond Engagement Ring, circa 1930
Located in Lancashire, Oldham
– Platinum/Diamond   HALLMARK – Stamped ‘Platinum and CG & Son’   CONDITION - Very good, wear commensurate
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Early 20th Century Art Deco Solitaire Rings

Materials

Diamond, Platinum

Edwardian 18ct Gold Opal and Diamond Three Stone Ring
Located in Lancashire, Oldham
opal / diamond WEIGHT - 2.2g HALLMARK - Stamped '18ct' along with makers mark 'CG&S' for Charles
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Early 20th Century British Edwardian Three-Stone Rings

Materials

Diamond, Opal, 18k Gold

1.18 Carat Diamond and 0.72 Carat Emerald, 18k White Gold Five Stone Ring
Located in Jesmond, Newcastle Upon Tyne
, the Birmingham Assay office hallmark (anchor), the date letter for 1978 (D) and the maker's mark CG&S
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Vintage 1910s Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

Late 20th Century Oval Yellow Gold and Diamond Cross Hatch Locket
Located in Lancashire, Oldham
MATERIALS - 9ct Yellow Gold / Diamonds HALLMARK - Full hallmarks, CG&S (Charles Green & Sons) Birmingham
Category

Late 20th Century British Contemporary Pendant Necklaces

Materials

Diamond, Yellow Gold, Gold, 9k Gold

Vintage 1966 Sapphire and Diamond White Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
'CG&S', the gold guarantee mark (crown), the 18k gold mark (18), the Birmingham Assay Office hallmark
Category

Vintage 1960s Unknown Cocktail Rings

Materials

Diamond, Blue Sapphire, Sapphire, 18k Gold, White Gold

Charles Green & Son English Carnelian Intaglio 18 Karat Gold Unisex Signet Ring
By Charles S. Green & Co.
Located in Philadelphia, PA
English lettering Signed CG& S for Charles Green & Son, with British hallmarks for Birmingham, 1960's and
Category

Mid-20th Century English Retro Signet Rings

Materials

Carnelian, 18k Gold

1950s Chased 22 Karat Gold Platinum Band by Charles Green & Son
Located in Sale, Cheshire
4.4g MARKS English hallmarks for 22k gold, Birmingham 1959 CG&S maker's mark
Category

Mid-20th Century English Band Rings

Materials

22k Gold, Platinum

Signed Carolyn Pollack Sterling Southwestern Storytelling Turquoise and Jade Bra
Located in New York, NY
3/4” and comes with a toggle clasp. It comes with her original hallmark signature “CG” and is in
Category

Late 20th Century American More Bracelets

Materials

Jade, Turquoise, Sterling Silver

Cassandra Goad Chrysoprase, Gold and Pearl Tassel Earrings
By Cassandra Goad
Located in Westhampton Beach, NY
individual, wearable pieces. These stunning earrings are stamped CG and also have several UK Gold Hallmarks
Category

Late 20th Century Stud Earrings

Materials

Chrysophrase, Natural Pearl

Antique Victorian Bloodstone Talbot Dog Intaglio Signet Ring "Always Faithful"
Located in Sale, Cheshire
15k gold, with intricate vine-leaf detailing to the shoulders - London hallmarks date it to the year
Category

Antique Mid-19th Century English Victorian Signet Rings

Materials

Agate, 15k Gold

Antique Victorian Onyx Heraldic "Lion & Cross" Signet Ring
By Charles S. Green & Co.
Located in Sale, Cheshire
MEASUREMENTS Head: 14.7 x 13.7mm Width of band: 3.5mm WEIGHT 7.2g MARKS English hallmarks for 9k gold
Category

Antique 19th Century English Victorian Signet Rings

Materials

Onyx, 9k Gold

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Hallmark Cg For Sale on 1stDibs

On 1stDibs, you can find the most appropriate hallmark cg for your needs in our varied inventory. Frequently made of gold, 18k gold and yellow gold, this item was constructed with great care. Making the right choice when shopping for a hallmark cg may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 20th Century, both of which have proven very popular over the years. Finding an appealing hallmark cg — no matter the origin — is easy, but CG Hallberg and Sylvia Stave each produced a popular version that is worth a look. Take a look at a hallmark cg featuring diamond from our inventory today to add the perfect touch to your look. See these pages for a round cut iteration of this accessory, while there are also cabochon cut and oval cut cut versions available here, too. If you’re browsing our inventory for a hallmark cg, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a Hallmark Cg?

The price for a hallmark cg starts at $230 and tops out at $18,500 with these rings, on average, selling for $1,587.