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18k Yellow Gold Filigree Natural Turquoise Ring 30 mm Top 12.8 gram size 7
Located in Santa Monica, CA
18k Yellow Gold Filigree Natural Turquoise Ring 30 mm Top 12.8 gram size 7 Size: 7 Weight: 12.8
Category

Vintage 1960s Unknown Modern Cocktail Rings

Materials

Turquoise, Yellow Gold

Customizable Round Polished Pendant Locket - 18k White Gold - Diameter 30 mm
By Victor Mayer
Located in Pforzheim, DE
, diameter app. 30 mm About the creator Victor Mayer Victor Mayer is internationally renowned for elegant
Category

21st Century and Contemporary German Contemporary More Necklaces

Materials

18k Gold, White Gold

Oval Locket Pendant - Sutiable for Hand Engraving - Measurements 40 mm x 30 mm
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer oval locket pendant 18k yellow gold, Hallmark Collection, measurements app. 40 mm x 30
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

18k Gold, Yellow Gold

Omega Aqua Terra 231.10.30.60.55.001 Women's Wristwatch 30 mm
By Omega
Located in Dubai, Al Qouz 2
This designer watch is characterized by its skillful craftsmanship and understated charm. Meticulously constructed to tell time in an elegant way, it comes in a sturdy case and flaun...
Category

2010s Italian Aesthetic Movement Wrist Watches

Aigner Mother of Pearl Stainless Steel Modena Nudo Unisex Wristwatch 30 MM
By Aigner
Located in Dubai, Al Qouz 2
Arabic numerals, two hands, and a subdial. It is water-resistant up to 30 meters and is equipped with a
Category

2010s Italian Contemporary Wrist Watches

Magnificent Italian Fancy Link 18 KT Gold Heavy Bracelet
Located in Napoli, IT
punch – 1970 ca Measures: width is 30 mm. – each link is 30 mm. x 46 mm. (h. x w.) – length is 21.5 cm A
Category

Vintage 1970s Italian Contemporary Link Bracelets

Materials

Gold, 18k Gold

Ruby & Pave Diamond Ball Earrings Made in 18k Gold & Silver
By Artisan NYC
Located in New York, NY
18kt:4.17g, Diamond:3.84ct, Silver:20.22g, Ruby:6.12ct Size- 60 -30 mm
Category

21st Century and Contemporary Indian Artisan Dangle Earrings

Materials

Diamond, Ruby, 18k Gold, Silver

14 Karat Yellow Gold Omega Grand Prix 1900 Pocket Watch
By Omega
Located in Stamford, CT
"Omega Grand Prix Paris 1900" 30 mm x 30 mm
Category

Antique Early 1900s Art Deco Pocket Watches

Materials

14k Gold

Toggle Chain Bracelet (Extra Small Links, MR)
Located in Paris, FR
Bracelet in matte brass. Dimensions: Chain link size (L × H): 20 mm × 14 mm Toggle length: 30 mm
Category

2010s Link Bracelets

Materials

Brass

Toggle Chain Bracelet (Extra Small Links, MR)
Toggle Chain Bracelet (Extra Small Links, MR)
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H 0.56 in L 0.79 in
14 Karat White Gold Cameo Pendant or Brooch
Located in Stamford, CT
14 Karat White Gold Cameo Pendant/Brooch. 7.09 grams total weight Height: 45 mm Width: 30 mm
Category

2010s Modern Brooches

Materials

14k Gold

14 Karat White Gold Cameo Pendant or Brooch
14 Karat White Gold Cameo Pendant or Brooch
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H 1.78 in W 1.19 in
Diamond Gold Archaeological Style Earrings
Located in Firenze, IT
The earrings of leaves and a bunch of grapes design. Mounted in 18Kt Gold Full length: 30 mm
Category

20th Century Italian Modern Drop Earrings

Materials

Diamond, 18k Gold, Yellow Gold, Gold

Cartier French Vintage Diamond 18K Gold Floral Retro Double Clip Brooch Pin
By Cartier
Located in Miami, FL
approximately 30 mm x 30 mm, secured with a bar pin. Remains in Excellent Condition. Hallmarked: Cartier
Category

Vintage 1960s French Retro Brooches

Materials

Diamond, 18k Gold

New Hermès Heure H 34 MM Grand modèle Watch in Yellow gold plated steel box
By Hermès
Located in Paris, IDF
width: 30 mm Yellow gold plated steel box Anti-reflective sapphire crystal White dial, striking sun
Category

21st Century and Contemporary French Modern Wrist Watches

Materials

Gold Plate

Crevice Ring v2 (Hyper Wide, DA)
Located in Paris, FR
Ring Band Width (at Widest Point): 30 mm
Category

2010s Fashion Rings

Materials

Sterling Silver

Vintage Dollar Coin Curb Link Yellow Gold Vermeil Sterling Silver Chain Necklace
By Galt & Bro. Jewelers
Located in Oakton, VA
Length 30 mm coin diameter
Category

2010s American Retro Pendant Necklaces

Materials

Yellow Gold, Vermeil, Sterling Silver

18 Karat Yellow Gold Filigree Design with Woman's Profile Cameo Pendant
Located in Stamford, CT
. Height: 40 mm Width: 30 mm
Category

2010s Contemporary Pendant Necklaces

Materials

18k Gold

Oval Mother and Child Cameo Pendant/Brooch 14k Yellow Gold
Located in Honolulu, HI
: ~30 mm x 23 mm Stamped: "14KT" "Italy" Condition: Preowned, excellent
Category

21st Century and Contemporary Italian Modern Pendant Necklaces

Materials

14k Gold, Yellow Gold

1.6 Carat Emerald Hoop Earrings
Located in New York, NY
Emerald Weight: 1.62 CT Emerald Measurements: 2.2 mm Metal: 18K White Gold/7.42 gm Length: 30 mm
Category

21st Century and Contemporary American Contemporary Hoop Earrings

Materials

Emerald, Gold, 18k Gold, White Gold

1.6 Carat Emerald Hoop Earrings
1.6 Carat Emerald Hoop Earrings
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L 1.19 in
Blue Topaz fancy sapphire Pendant 18 K white gold
Located in Bad Kissingen, DE
mm length 30 mm width
Category

21st Century and Contemporary German Pendant Necklaces

Materials

Diamond, Sapphire, Topaz, Blue Topaz, 18k Gold

Persol Meflecto Ratti Vintage Brown Jolly 1 Eyeglasses 48-68 130 mm
By PERSOL RATTI
Located in Rome, Rome
. LENGTH: 130 mm EYE / LENS MAX. WIDTH: 48 mm EYE / LENS MAX. HEIGHT: 30 mm BRIDGE MID. WIDTH: 17 mm
Category

20th Century Italian Sunglasses

Aquamarine Dangle Earrings With Diamonds 23.80 Carats Silver
Located in Carlsbad, CA
: Round, Color: F, Clarity: VS) Metal = Silver Dimensions: 67 x 30 mm
Category

21st Century and Contemporary Contemporary Dangle Earrings

Materials

Aquamarine, Diamond, White Diamond, Silver

South Sea diamond Plan Hanger 18 K
Located in Bad Kissingen, DE
18 k yellow and white gold 1 south sea pearl 14 mm 0,21 ct diamond length 30 mm wide 20 mm weight
Category

21st Century and Contemporary German Pendant Necklaces

Materials

Diamond, South Sea Pearl, 18k Gold

South Sea diamond Plan Hanger 18 K
South Sea diamond Plan Hanger 18 K
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W 0.79 in L 1.19 in
Stig Lindberg for Gustavsberg Studio. Miniature vase with green-brown glaze.
Located in Copenhagen, DK
. In perfect condition. Dimensions: H 30 mm x D 18 mm.
Category

Vintage 1960s Swedish Scandinavian Modern Ceramics

Materials

Ceramic

Stig Lindberg for Gustavsberg Studio. Miniature bowl with brown glaze. 1960s
Located in Copenhagen, DK
. Signed. In perfect condition. Dimensions: H 30 mm x D 33 mm.
Category

Vintage 1960s Swedish Scandinavian Modern Ceramics

Materials

Ceramic

19th Century Japanese Inro with 5 Lacquered Wood Compartments
Located in Marseille, FR
19th Century Japanese inro with 5 lacquered wooden compartments, 93 x 50 x 30 mm in size. Weight
Category

Antique 19th Century Japanese Snuff Boxes and Tobacco Boxes

Materials

Wood

Eli Frei Ruby White Gold Cufflinks
By Eli Frei
Located in New York, NY
, length 30 mm Total weight: 16.4 grams
Category

Late 20th Century Cufflinks

Materials

Ruby, 18k Gold, White Gold

Eli Frei Ruby White Gold Cufflinks
Eli Frei Ruby White Gold Cufflinks
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W 0.32 in L 1.19 in
Natural Blue Topaz Hoop Earrings Total 5.70 Carats Rhodium Plated Silver
Located in Laguna Niguel, CA
: Silver Rhodium Plated Width: 3.5 mm Length: 30 mm
Category

21st Century and Contemporary Contemporary Hoop Earrings

Materials

Topaz, Blue Topaz, Rhodium, Silver, Sterling Silver

Bumble Bee Earrings w Mixed Metal Dangle Earring with Engraving of Bee
By Five Star Jewelry
Located in Austin, TX
mm X 30 mm Band Width: 1.3 mm Post Type: Dangle
Category

21st Century and Contemporary American Artisan Dangle Earrings

Materials

Silver, Sterling Silver, Mixed Metal

Natural Blue Topaz Hoop Earrings Total 5.70 Carats Rhodium Plated Silver
Located in Laguna Niguel, CA
: Silver Rhodium Plated Width: 3.5 mm Length: 30 mm
Category

21st Century and Contemporary Contemporary Hoop Earrings

Materials

Topaz, Blue Topaz, Rhodium, Silver, Sterling Silver

Mings Double Jade Ball and Pearl Leaf Design Ring in 14k Yellow Gold
Located in Honolulu, HI
(resizable) Stamped: "Mings" "14K" Ring Measurements: 30 mm x 20 mm Condition: Preowned
Category

Late 20th Century Hong Kong Modern Cluster Rings

Materials

Pearl, Jade, 14k Gold, Yellow Gold

Persol Vintage Mint Eyeglasses 2065V Blue Half Rim 48/20 130 mm
By Persol
Located in Rome, Rome
MAX. HEIGHT: 30 mm BRIDGE MID. WIDTH: 20 mm
Category

21st Century and Contemporary Italian Sunglasses

Crevice Ring v2 (Hyper Wide, Fuse, KA10KW)
Located in Paris, FR
(at Narrowest Point): 17 mm Ring Band Width (at Widest Point): 30 mm
Category

2010s Fashion Rings

Materials

10k Gold, White Gold, Sterling Silver

Large 14K Yellow Gold Reticulated Quartz Cocktail Ring
Located in Bradenton, FL
approximately 30 mm x 20mm. Approximately 15+ carats. Marked 14k. Approximate size 7.0.
Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Quartz, Yellow Gold

35.54 Carat Aquamarin 7.39 Carat Diamond Pendant, Brooch 18k Gold
Located in Bad Kissingen, DE
30 mm - Suspension length: 10 mm - Weight: approx. 26.6 gram - impeccable condition Brosche/Anhänger
Category

21st Century and Contemporary German Modern Brooches

Materials

Aquamarine, Diamond, 18k Gold

0.15 Carat Round Diamond Cross Pendant in White Gold
Located in Sherman Oaks, CA
Gorgeous Matte 14k White Gold Cross Features 6 Flush-set round diamonds TDW = 0.15 ct 30 mm long 19
Category

Early 2000s American Modern Pendant Necklaces

Materials

Diamond, 14k Gold

Plates, Satsuma, Meiji Period Mount Fuji Geishas, Japan, circa 1900
Located in Amsterdam, Noord Holland
: Perfect. Size 184 x 30 mm approx. Period 19th century Meiji Periode (1867-1912).  
Category

Antique 19th Century Japanese Meiji Ceramics

Materials

Earthenware

Longines 14k Yellow Gold Men's Hand-Winding Watch w/ Black Leather Band
By Longines
Located in Sherman Oaks, CA
#856574.218 14k Yellow Gold Textured Case 29 mm Wide (30 mm w/ Crown) Lug-to-Lug Distance = 30 mm Lug-to-Lug
Category

Vintage 1960s Swiss Modern Wrist Watches

Materials

14k Gold, Yellow Gold

14 Karat Yellow Gold Filled American Waltham Pocket Watch
By American Waltham Watch Co.
Located in Stamford, CT
no. 65463776 Sapphire Dial no. 20010791 30 mm diameter. Initial on Reverse
Category

Early 20th Century American Art Deco Pocket Watches

Materials

14k Gold, Yellow Gold, Gold-filled

Toggle Chain Bracelet (Extra Small Links, DR)
Located in Paris, FR
. Dimensions : Chain link size (L × H): 20 mm × 14 mm Toggle length: 30 mm
Category

2010s Chain Bracelets

Materials

Brass

Toggle Chain Bracelet (Extra Small Links, DR)
Toggle Chain Bracelet (Extra Small Links, DR)
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H 0.56 in L 0.79 in
18K Yellow Gold Citrine With Multiple Gemstones Ring Approximately 12 Carats
Located in Bradenton, FL
18k yellow gold Citrine and diamond ring, The dimensions of the oval Citrine are approximately 30
Category

Mid-20th Century Modern Cocktail Rings

Materials

Citrine, 18k Gold, Yellow Gold

Chasm Ring v2 (Fuse, Hyper Wide, DA18K)
Located in Paris, FR
Width (at Narrowest Point): 17 mm Ring Band Width (at Widest Point): 30 mm
Category

2010s Fashion Rings

Materials

18k Gold, Sterling Silver

John Hardy Palu Pavé Black Sapphire Pendant Necklace NBS9008684BLSBNX
By John Hardy
Located in Wilmington, DE
: 30 MM X 23 MM Closure: Lobster Clasp Setting: Pavé Stone: Treated Black Sapphire
Category

2010s Pendant Necklaces

Tahitian Pearl Opal Dangle Earrings 9 MM Turquoise AAA
Located in Los Angeles, CA
Shape Length: About 30 mm Gold: 14kt Yellow These stunning Opal Drop feature a beautiful 9 - 9.5mm
Category

2010s Art Nouveau Dangle Earrings

Materials

Opal, Pearl, Gold, 14k Gold, Yellow Gold

14K Yellow Gold Ring Citrine with Diamonds
Located in Bradenton, FL
approximately 30 mm x 15 mm. Approximately 15 carats. Marked14k. Approximate size 10.
Category

20th Century Modern Cocktail Rings

Materials

Citrine, Diamond, 14k Gold, Yellow Gold

White gold creole earrings with diamonds
Located in AMSTELVEEN, NH
Jewel: Earrings Weight: 5.3 gram Diameter: 30 mm Hallmark: 14 karat Condition: New Retail value
Category

21st Century and Contemporary Contemporary Hoop Earrings

Materials

Diamond, Gold, White Gold

Bulova Men's 14k Yellow Gold Vintage Hand-Winding Watch Leather Band
By Bulova
Located in Sherman Oaks, CA
14k Yellow Gold Rectangular Case 22 mm Wide (24 mm w/ Crown) 30 mm Long Lug-to-Lug Distance = 30 mm
Category

Vintage 1960s Swiss Modern Wrist Watches

Materials

14k Gold, Yellow Gold

Dioptase Silver Ring large Natural Crystals Emerald Green Statement gift for men
By Alexey Gabilo
Located in Berlin, DE
1.18 in / 20 x 30 mm dioptase weight - 45 carats ring weight - 24 grams ring size - 8.5 US ref 11932
Category

2010s French Artisan Cocktail Rings

Materials

Crystal, Silver, Sterling Silver

Dioptase Silver Ring Natural Crystals Dark Bluish Green Uncut Forest Witch Style
By Alexey Gabilo
Located in Berlin, DE
1.18 in / 20 x 30 mm dioptase weight - 45 carats ring weight - 24 grams ring size - 8.5 US
Category

2010s French Artisan Fashion Rings

Materials

Crystal, Silver, Sterling Silver

David Yurman 18K Yellow Gold Pave Diamonds Albion Large Enhancer Pendant
By David Yurman
Located in Los Angeles, CA
100% Authentic, 100% Customer Satisfaction Height: 30 mm Width: 20 mm Metal: 18K Yellow Gold
Category

2010s American Pendant Necklaces

Materials

Diamond, 18k Gold

Gervasoni Gray 55 Grey Lacquered Oak Coffee Table by Paola Navone
By Gervasoni, Paola Navone
Located in Brooklyn, NY
and 30 mm top in solid oak. Available wood finishes: bleached oak; white, grey, air force blue, black
Category

21st Century and Contemporary Italian Modern Coffee and Cocktail Tables

Materials

Oak

Gervasoni Gray 54 Coffee Table in Solid Walnut by Paola Navone
By Paola Navone, Gervasoni
Located in Brooklyn, NY
30 mm top in solid wood . Available wood finishes: white, grey, air force blue or black lacquered
Category

21st Century and Contemporary Italian Modern Coffee and Cocktail Tables

Materials

Walnut

Crescent Plane Bracelet (30mm, MA)
Located in Paris, FR
and soldered together to make the hollow three dimensional form. Dimensions Bracelet Top (WxL): 30 mm
Category

2010s Cuff Bracelets

Materials

Sterling Silver

Crescent Plane Bracelet (30mm, MA)
Crescent Plane Bracelet (30mm, MA)
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W 1.19 in L 2.17 in
Tahitian pearl in white gold 18 k
Located in Bad Kissingen, DE
The pendant is ca 30 mm long and a clip 18 ct white gold
Category

21st Century and Contemporary European Pendant Necklaces

Tahitian pearl in white gold 18 k
Tahitian pearl in white gold 18 k
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H 0.28 in Dm 0.4 in
Big Agate Rose Silver Ring Raw Uncut Natural Brazilian Stone Unisex Cloud Grey
By Alexey Gabilo
Located in Berlin, DE
/ 20 х 30 mm agate weight - 26 carats ring size - 7.5 US ring weight - 18.20 grams
Category

2010s French Artisan Fashion Rings

Materials

Agate, Crystal, Silver, Sterling Silver

Large Charoite Silver Ring Oval Violet Lavender Flower Powerful Natural Gemstone
Located in Berlin, DE
/ 11 х 17 х 30 mm charoite weight - 31 carats ring weight - 18.37 grams ring size - 9.25 US
Category

2010s German Artisan Cocktail Rings

Materials

Charoite, Silver

Cartier Panthere Small Diamond Hour Marker & Case 18k Yellow Gold
By Cartier
Located in Miami, FL
Brand: Cartier Model: Panthere De Cartier Movement: Quartz Case Size: 22 x 30 mm Dial: Diamond
Category

21st Century and Contemporary Wrist Watches

Materials

Diamond, Yellow Gold

Marina B. 18K Yellow Gold Diamond Citrine Onyx Clip-on Earrings
By Marina B
Located in New York, NY
Earrings with 60 diamonds approx over 2.00 cts E-F color VS Clarity Measurement: 32 x 30 mm
Category

Vintage 1980s French Modern Clip-on Earrings

Art Nouveau 1910 Enamel Fly - Pendant & Pin Brooch Sterling Silver 925
Located in Brooklyn, NY
Colors Weight : 6.90 Grams Size: approx 30 mm (1.25' inch) Hand made In Spain around 2006 +Gift Box
Category

Early 2000s Spanish Art Nouveau Brooches

Materials

Sterling Silver, Enamel

House of Igor Carl Faberge for Franklin Mint 14k Brooch
By Franklin MInt
Located in Montreal, QC
back. Decorated with pearls and sapphire gemstone, measures 23 x 30 mm. Weighs 5.4 grams.
Category

Vintage 1980s Swiss Brooches

Materials

Pearl, Sapphire, 14k Gold

14 Karat Yellow Gold Hoop Earrings
Located in Great neck, NY
! Earring Measurements are 2 X 30 MM. Made in Italy. 1.5" inch Diameter. Gift Box Included.
Category

21st Century and Contemporary Italian Contemporary Hoop Earrings

Materials

14k Gold, Yellow Gold

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30 Mm For Sale on 1stDibs

You are likely to find exactly the vintage or contemporary 30 mm you’re looking for on 1stDibs, as there is a broad range for sale. If you’re looking for an option in Beige and you’re unable to find the right fit, there are plenty of variations in Black, Gray and more. If you’re looking for a 30 mm from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. There have been many well-made iterations of this accessory over the years, but those made by Cartier, Chopard and Fendi are often thought to be among the most stylish. There aren’t many items for men if you’re seeking these accessories, as most of the options available are for women and unisex.

How Much is a 30 Mm?

The price for a 30 mm starts at $120 and tops out at $75,000, and on average, selling for $3,275.