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M .Gerard Diamond Ruby Drop Earrings
By M. Gérard
Located in New York, NY
M GERARD Diamond Ruby Drop Earrings in 18k Yellow Gold.
Diamond weight approx. 10.00 carats total
Category
Vintage 1980s French Clip-on Earrings
Materials
Diamond, Ruby, 18k Gold
Vintage 18K Gold Diamond Infinity Love Knot Ring, Hallmarked 1985
Located in Danvers, MA
I’m pleased to offer a wonderful, classic & elegant diamond eternity love knot ring from the 1980's
Category
20th Century European Contemporary Fashion Rings
Materials
Diamond, 18k Gold
Tiffany Diamond Band/Wedding Ring, British Hallmarked 18K White Gold
By Tiffany & Co.
Located in London, GB
18 carat white gold diamond set band ring by Tiffany & Co. With British hallmarks for London 2005
Category
Early 2000s British Modern Band Rings
Materials
Diamond, 18k Gold, White Gold
18ct Gold Birmingham Hallmarked Victorian Sapphire Diamond Five Stone Ring
Located in Brighton, GB
Antique Sapphire and Diamond Ring
18ct Gold Stamped
Hallmarked Birmingham 1891
This stunning
Category
Antique Late 19th Century English Victorian Fashion Rings
Materials
Diamond, Sapphire, Gold, 18k Gold
1/2 Eternity Ring with Rubies and Diamonds, 18K Gold, Hallmarked London
Located in Canterbury, GB
rubies (est. .47ct) , with a 18k yellow gold band hallmarked London, 2017. The ring size is M.
A unique
Category
2010s British More Rings
Materials
Diamond, Ruby, Yellow Gold
M. Buccellati Vintage Diamond Ruby Sapphire 18k Gold Compact Box
By Mario Buccellati
Located in Miami, FL
Italian-made and crafted completely in solid 18K yellow gold.
Features a closure & top accented by (17
Category
Vintage 1950s Italian Retro Boxes and Cases
Materials
Diamond, Ruby, Sapphire, 18k Gold
Free Shipping
H 0.5 in W 2.25 in L 5.25 in
Victorian Ruby & Diamond Set Ring Hallmarked Birmingham 1887
Located in ADELAIDE, SA
round diamonds, estimated total weight0.04ct
Metal: 18k yellow gold
Weight: 3.85 grams
Finger size: M
Category
Antique 1880s English Victorian Fashion Rings
Materials
Diamond, Ruby, 18k Gold
Bvlgari Diva's Dream 18K Rose Gold Diamond Open-Cuff Bracelet S/M
Located in New York, NY
: Bvlgari
Style: Diva's Dream
Hallmarks: BVLGARI NN5RX4 Made in Italy Au750
Metal: 18K Rose Gold
Category
21st Century and Contemporary Italian Modern Cuff Bracelets
Materials
Diamond, Pearl, Gold, 18k Gold, Rose Gold
Mattioli Pendant M Size 11 Colored Puzzles 18K Rose Gold & Diamonds
By Mattioli
Located in Bilbao, ES
Mattioli Puzzle Pendant 18K Yellow Gold and Diamonds & 11 Coloured Puzzles Medium Size
Can be done
Category
21st Century and Contemporary Italian Contemporary Pendant Necklaces
Materials
Diamond, White Diamond, Brown Diamond, 18k Gold, Rose Gold, Yellow Gold
Mattioli Pendant M Size 11 Colored Puzzles 18K Rose Gold & Brown Diamonds
By Mattioli
Located in Bilbao, ES
Mattioli Puzzle Pendant 18K Yellow Gold and Brown Diamonds & 11 Coloured Puzzles Medium Size
Can be
Category
21st Century and Contemporary Italian Contemporary Pendant Necklaces
Materials
Diamond, White Diamond, Brown Diamond, 18k Gold, Rose Gold, Yellow Gold
Stunning Tanzanite & Diamond Cluster Ring Hallmarked London 2015
Located in Canterbury, GB
diamonds (est. .23carat). The band is hallmarked London, 2015 and is ring size M.
A unique piece within
Category
2010s British Cluster Rings
Materials
Diamond, Tanzanite
18k rose gold bangle with diamond encrusted drop size M/L
By THEVAULT15
Located in Boostedt, SH
twinkling diamonds, while the other showcases the simplicity of plain 18k rose gold. This harmonious
Category
2010s European Bangles
Materials
Diamond, Rose Gold
Mattioli Pendant 18K Rose Gold & Brown Diamonds and 11 Colored Puzzles M Size
By Mattioli
Located in Bilbao, ES
Mattioli Puzzle Pendant 18K Rose Gold & Brown Diamonds & 11 Coloured Puzzles Medium Size
Pendant in
Category
21st Century and Contemporary Italian Contemporary Pendant Necklaces
Materials
White Diamond, 18k Gold, Yellow Gold
Mattioli Puzzle Earrings 18k Gold White Diamonds and 11 Colored Pairs M Size
By Mattioli
Located in Bilbao, ES
Mattioli Puzzle Collection Earrings, 18k White Gold with White Diamonds & 11 Pairs of Coloured
Category
21st Century and Contemporary Italian Contemporary Hoop Earrings
Materials
White Diamond, 18k Gold, White Gold
Mattioli Pendant 18K Rose Gold & White Diamonds and 11 Colored Puzzles M Size
By Mattioli
Located in Bilbao, ES
Mattioli Puzzle Pendant 18K Yellow Gold and White Diamonds & 11 Coloured Puzzles Medium Size
Can be
Category
21st Century and Contemporary Italian Contemporary Pendant Necklaces
Materials
White Diamond, Brown Diamond, Diamond, 18k Gold, Yellow Gold, Rose Gold
Mattioli Pendant 18K in Rose Gold & White Diamonds & w/ 3 Colored Puzzles M Size
By Mattioli
Located in Bilbao, ES
Mattioli Pendant 18K in Rose Gold & White Diamonds & 3 Colored Puzzles S Size
Available in Rose
Category
21st Century and Contemporary Italian Contemporary Pendant Necklaces
Materials
White Diamond, Brown Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold
Tanzanite and Diamond Cluster Ring, .5 Carat, Hallmarked London, 2015
Located in Canterbury, GB
diamond (est. .5carat) cluster ring evokes an antique style. Set on a 18k white gold band, hallmarked
Category
2010s Cluster Rings
Materials
Diamond, Tanzanite, White Gold
Personal Jewellery Diamond 0.10 Carat Initial, M, Ring 18 Karat White Gold
By Hasbani Diamonds
Located in London, GB
with this fine gold and diamond elegant initial - A - made of solid 18 karat gold and natural diamonds
Category
21st Century and Contemporary British Modern Cluster Rings
Materials
Diamond, White Gold, 18k Gold
Personal Jewellery Diamond 0.10 Carat Initial, M, Ring 18 Karat Rose Gold
By Hasbani Diamonds
Located in London, GB
with this fine gold and diamond elegant initial - A - made of solid 18 karat gold and natural diamonds
Category
21st Century and Contemporary British Modern Band Rings
Materials
Diamond, Rose Gold, 18k Gold
Personal Jewellery Diamond 0.10 Carat Initial M Ring 18 Karat Yellow Gold
By Hasbani Diamonds
Located in London, GB
with this fine gold and diamond elegant initial - A - made of solid 18 karat gold and natural diamonds
Category
21st Century and Contemporary British Modern Cocktail Rings
Materials
Diamond, Yellow Gold, 18k Gold
David Yurman 18k Yellow Gold Solari Bead Bracelet
By David Yurman
Located in Guaynabo, PR
This is an 18K yellow gold David Yurman Solari bead rope design bracelet. It is hallmarked DY 750
Category
21st Century and Contemporary American Cuff Bracelets
Materials
Yellow Gold, 18k Gold
R.C.M. 18 Karat Yellow Gold 5.75 Carat Ruby and Diamond Bracelet
By RCM
Located in New York, NY
This 18 karat yellow gold ring was designed by Nova. A unique domed setting highlights the tapered
Category
1990s Italian Modern Bangles
Materials
Diamond, Ruby, 18k Gold, Yellow Gold
Antique Diamond 18K Yellow Gold Solitaire Ring
Located in Jesmond, Newcastle Upon Tyne
the shank with the maker's mark for Manton & Mole (M&M) the gold guarantee mark (crown), the 18k gold
Category
Vintage 1910s English Solitaire Rings
Materials
Diamond, 18k Gold, Yellow Gold
Mikimoto Akoya Cultured Pearl Strand Necklace 18K
By Mikimoto
Located in Honolulu, HI
necklace is hallmarked "M" and stamped "750". The necklace is vintage in excellent condition.
Necklace
Category
Mid-20th Century Unknown Modern Pendant Necklaces
Materials
Pearl, Cultured Pearl, 18k Gold, Yellow Gold
Antique 18k yellow gold signet ring, Masonic
Located in NEWARK, GB
and era:
Fully hallmarked for 18ct gold, c1910s date letter worn, Chester Assay office.
Approx sizes
Category
Early 20th Century British Art Deco Signet Rings
Materials
18k Gold, Yellow Gold
Large 18K Yellow Gold Masonic Charm Pendant
Located in London, GB
the termination of his year as W.M. Dec 6th 1961.’ Suspending a tag marked for 18 karat gold, London
Category
20th Century British Pendant Necklaces
Materials
Gold, 18k Gold, Yellow Gold
GIA Certified 26.37 Carat Oval Tanzanite Cabochon Diamond Cocktail Ring
By M&V Vanguard Jewelry
Located in New York, NY
GIA Certified 26.37 Carat Oval Tanzanite Cabochon Diamond Cocktail Ring
Crafted in 18K White Gold
Category
2010s American Baroque Cocktail Rings
Materials
Tanzanite, Diamond, 18k Gold, Platinum
GIA Certified 50.6 Carat Oval Emerald Cabochon Diamond Cocktail Ring
By M&V Vanguard Jewelry
Located in New York, NY
certified Green Emerald with diamond accents set and mounted in 18k White gold.
The stone is a real gem
Category
2010s American Baroque Cocktail Rings
Materials
Diamond, Emerald, 18k Gold, White Gold, Yellow Gold
Moonstone, Ruby and Diamond Bracelet 18k c1870s France
Located in Litchfield, CT
Circa 1870s, 18k/silver, France. This superb example of late 19th-century French jewelry has a
Category
Antique 1870s French Victorian Bangles
Materials
Diamond, Moonstone, Ruby, 18k Gold, Yellow Gold, Silver
Antique and Vintage Diamond 18K Yellow Gold Cocktail Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive vintage 18 karat yellow gold dress ring set with 0.40 ct of antique diamonds
Category
Vintage 1970s English Wedding Rings
Materials
Diamond, Gold, 18k Gold, Yellow Gold
M. Buccellati Vintage Carved Emerald Gold Silver Wine Leaf Bangle Bracelet
By Mario Buccellati
Located in Miami, FL
Buccellati which was crafted in Siver and 18k yellow gold. Romantic 18k gold wine leaves forged on silver
Category
Vintage 1960s Italian Retro Bangles
Materials
Emerald, Gold, Silver
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W 0.5 in L 6 in
Mikimoto Diamond Akoya Pearl 18k Yellow Gold Ring
By Mikimoto
Located in Boca Raton, FL
: Akoya 15.6mm long x 11mm wide
Hallmark: M K18 0.83ct
Material: 18k yellow gold
Measurements: top
Category
21st Century and Contemporary Japanese Modern Cluster Rings
Materials
Diamond, Pearl, 18k Gold, Yellow Gold
Earring set with ruby and diamonds 18k white gold
Located in The Hague, ZH
18k white gold clip-on earrings with ruby and brilliant cut diamonds. 0.80ct - F/G - SI
Detailed
Category
2010s Dutch Modern Clip-on Earrings
Materials
Diamond, 18k Gold, White Gold
Faraone Mennella Snake Design Emerald Diamond Ring 18K
Located in Miami, FL
all precious stones: 2.35cts.
Brand Name: Faraone Mennella.
Hallmarks: R.F.M.A.S.
Beautiful vintage
Category
21st Century and Contemporary European Contemporary Cocktail Rings
Materials
Diamond, Emerald, Gold, 18k Gold, Yellow Gold
Mario Buccellati Diamond 18k Two-Color Gold Band Ring
By Mario Buccellati
Located in New York, NY
, and enduring elegance.
US Size 6.25.
Hallmarks: M. Buccellati, 750, Italian standard marks.
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold
H. Stern Cobblestone 18k Gold Diamond Tourmaline Quartz Ring
By H. Stern
Located in New York, NY
/Vs diamonds. Ring size 7.5 (EU 56) , top is 26 x 25mm. Marked 2 M, 750, S hallmark. Weight 23 grams.
Category
20th Century Brazilian More Rings
Materials
Diamond, Quartz, Tourmaline, 18k Gold
Signed Logo de Cartier 18K White Gold Band Ring
By Cartier
Located in Philadelphia, PA
hallmarks.
Engraved:
Engraved to the interior of the band with an inscription for 26. Dec '04 / M & H
Ring
Category
20th Century French Modern Band Rings
Materials
18k Gold, White Gold
Mikimoto 18K White Gold, Pearl and Diamond Cocktail Ring
By Mikimoto
Located in Beverly Hills, CA
weight is 8.1 grams.
Hallmarks: 750 and M for maker’s mark.
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Pearl, 18k Gold, White Gold
Diamond and 18k Yellow Gold Three-Stone Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive 0.47 Carat diamond and 18 karat yellow gold, 18 karat white gold set trilogy
Category
1990s English Three-Stone Rings
Materials
Diamond, 18k Gold, Yellow Gold
Roman Coin Earrings In 18Kt Yellow Gold With 114 BC Silver Denarius of M. Cipius
Located in Miami, FL
both are stamped with the maker's logo M for Michaels of Key West and the assay hallmarks, "18KT M
Category
Vintage 1970s Italian Classical Roman Clip-on Earrings
Materials
Gold, Yellow Gold, Silver, 18k Gold
W 0.79 in Dm 0.79 in L 0.79 in
1970S Diamond and 18K White Gold Half Eternity Ring
Located in Jesmond, Newcastle Upon Tyne
An impressive vintage 0.72 carat diamond and 18 karat white gold half eternity ring; part of our
Category
Vintage 1970s British Wedding Rings
Materials
Diamond, 18k Gold, White Gold
Mattioli Puzzle Pavé Earrings 18 Karat Gold White Diamonds M Size and 2 Pairs
By Mattioli
Located in Bilbao, ES
Mattioli Puzzle Pavé Earrings 18K Yellow Gold White Diamonds Medium Size & 2 Pairs of Colored
Category
21st Century and Contemporary Italian Contemporary Hoop Earrings
Materials
White Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold
Vintage 1990s Sapphire and Diamond 18K Gold Twist Ring
Located in Jesmond, Newcastle Upon Tyne
An impressive vintage 0.52 carat sapphire and 0.39 carat diamond, 18k yellow gold twist ring.
This
Category
1990s Cocktail Rings
Materials
Diamond, Sapphire, 18k Gold, Yellow Gold, Gold
0.77ct Colombian Emerald Solitaire Engagement Ring In 18k White Gold
Located in London, GB
ring is a size M 1/2 and is ideal for engagement occasions. The gold metal purity is 18ct and the base
Category
21st Century and Contemporary British Modern Solitaire Rings
Materials
Emerald, 18k Gold, White Gold
Ring with brilliant cut diamonds up to 0.54ct 18k yellow gold
Located in The Hague, ZH
0.54 carats in total
color M-N
purity SI
ring is in good condition
hallmark present, guaranteed 18k
Category
2010s Dutch Modern Fashion Rings
Materials
Diamond, 18k Gold, Yellow Gold
18K Yellow Gold Sapphire French Vanity Vertu Cigarette Case
Located in Pamplona, Navarra
Impressive, in original condition, with original toning, 18k yellow gold cigarette case
Category
Mid-20th Century French Victorian Vanity Items
Materials
Blue Sapphire, Sapphire, 18k Gold, Yellow Gold
Anna Maria Cammilli Dune Collection Florence Diamond Cockctail Ring 18k Gold
Located in London, GB
Anna Maria Cammilli Dune Collection Florence Diamond Cocktail Ring 18k Gold
Dune collection
Category
21st Century and Contemporary Italian Contemporary Cocktail Rings
Materials
Diamond, 18k Gold
Vintage 1.78 Carat Diamond and 18k Yellow Gold Snake Ring
Located in Jesmond, Newcastle Upon Tyne
.
The ring is hallmarked to the interior with the 18ct gold fineness mark (18K).
This impressive, large
Category
20th Century Cocktail Rings
Materials
Diamond, Yellow Gold, 18k Gold
Cartier Diamond and 18k Tri-Color Gold Solitaire Ring
By Cartier
Located in Jesmond, Newcastle Upon Tyne
Cartier diamond ring has been crafted in 18 ct yellow gold, 18ct white gold, and 18ct rose gold.
The
Category
20th Century Solitaire Rings
Materials
Diamond, Yellow Gold, White Gold, Rose Gold, 18k Gold, Gold
GIA Certified Emerald Cut Diamond Drop Earrings in 18k White Gold
Located in La Jolla, CA
.
Earrings measure .80 inches tall and .34 inches wide.
Earrings weigh 6.7 grams.
Hallmarks: 18k (on earring
Category
21st Century and Contemporary North American Drop Earrings
Materials
Diamond, 18k Gold, White Gold
Chaumet Retro Brooch 18k Gold Diamond Pin Estate Jewelry
By Chaumet
Located in Beverly Hills, CA
diamonds (K-M color, VS clarity, total weight approximately 4.50 carats).
The Retro pin measures 2 ½” x 1
Category
Vintage 1940s French Retro Brooches
Materials
Diamond, Platinum, 18k Gold, Yellow Gold
Vintage Mikimoto Tahitian Pearl Swivel Back Cufflinks in 18k White Gold
By Mikimoto
Located in London, GB
8.6 grams. Each cufflink is signed and hallmarked on the bar of the cufflink with the Mikimoto ‘M
Category
2010s Modern Cufflinks
Materials
Pearl, 18k Gold, White Gold
Vintage 0.30 Carat Diamond and 18k Yellow Gold Solitaire Engagement Ring
Located in Jesmond, Newcastle Upon Tyne
solitaire ring is hallmarked to the interior shank with 18k gold fineness mark (au750) and the marker's mark
Category
Vintage 1960s Engagement Rings
Materials
Diamond, 18k Gold, Yellow Gold
Mikimoto Diamond Pearls 18k Yellow Gold Bow Motif 2 Strand Bracelet
By Mikimoto
Located in Boca Raton, FL
with small round cut diamonds. The bracelet is stamped M 750.
Brand: Mikimoto
Hallmark: M 750
Main
Category
21st Century and Contemporary Modern Beaded Bracelets
Materials
Diamond, Pearl, 18k Gold, Yellow Gold
Mario Buccellati Ramage Diamond 18k Two-Color Gold Leaf Band Ring
By Mario Buccellati
Located in New York, NY
, and enduring elegance.
US Size 6.25.
Hallmarks: M. Buccellati, Italy, 750, Italian standard marks.
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Gold, 18k Gold
1940s Diamonds 18k Yellow Gold Platinum Mesh Adjustable Retro Bracelet
Located in Pamplona, Navarra
1940s diamonds and 18k yellow gold platinum mesh adjustable retro bracelet.
Captivating with its
Category
Vintage 1940s French Retro Retro Bracelets
Materials
Diamond, 18k Gold, Yellow Gold, Platinum
Antique 1.58 Carat Diamond and 18k Yellow Gold Marquise Shaped Dress Ring
Located in Jesmond, Newcastle Upon Tyne
An impressive antique 1.58 carat diamond and 18 carat yellow gold marquise shaped dress ring; part
Category
20th Century Unknown Engagement Rings
Materials
Diamond, 18k Gold, Yellow Gold
Vintage Five Stone Diamond Ring Set in 18k White Gold
Located in London, GB
of the ring measure 1.7 x 0.5 centimetres. The ring is hallmarked 750, for 18k gold.
Category
Early 2000s British Modern Band Rings
Materials
Diamond, Gold, 18k Gold, White Gold
Vintage 1.18 Carat Diamond Three Stone Engagement Ring in 18k Yellow Gold
Located in Jesmond, Newcastle Upon Tyne
mark 'DOM', 18k gold mark and the Birmingham Assay Office hallmark (anchor).
This antique 1.18 carat
Category
1990s Three-Stone Rings
Materials
Diamond, 18k Gold, Yellow Gold
Antique 18k Gold Amethyst and Pearl Cluster Ring, Floral
Located in NEWARK, GB
hallmarked for 18ct gold, Early Art Deco era, Chester Assay office, 1916.
Condition:
Good used condition
Category
Early 20th Century British Art Deco Cluster Rings
Materials
Amethyst, Pearl, 18k Gold, Yellow Gold
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Hallmark M 18k For Sale on 1stDibs
You are likely to find exactly the hallmark m 18k you’re looking for on 1stDibs, as there is a broad range for sale. Frequently made of gold, 18k gold and yellow gold, this item was constructed with great care. Find an antique version now, or shop for 1516 vintage or 588 modern creation for a more contemporary example of these cherished accessories. You’re likely to find the perfect hallmark m 18k among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. Creating a hallmark m 18k has been a part of the legacy of many jewelers, but those produced by Mikimoto, ROHIT JAIN and Mario Buccellati are consistently popular. A hallmark m 18k can be a stylish choice for most occasions, but diamond rings, from our inventory of 1150, can add a particularly distinctive touch to your look, day or night. See these pages for a round cut iteration of this accessory, while there are also brilliant cut cut and oval cut cut versions available here, too. If you’re browsing our inventory for a hallmark m 18k, 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 M 18k?
The price for a hallmark m 18k starts at $11 and tops out at $365,273 with these rings, on average, selling for $3,558.
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