Opal Inlay Gold
to
27
174
8
59
28
9
8
6
5
2
1
1
53
134
5
4
8
39
8
7
5
5
105
77
6
184
4
180
106
104
50
12
147
82
5
17
13
39
24
13
11
10
to
Sort By
14 Karat Yellow Gold Black Opal Inlay Ring
Located in Scottsdale, AZ
Material: 14K yellow gold
Ring Size: 6.5 (please allow up to 2 additional business days for sizing
Category
21st Century and Contemporary Band Rings
Materials
Black Opal, 14k Gold, Yellow Gold
Lightning Ridge Black Opal Inlay Ring 18K White Gold
Located in Carlsbad, CA
Lightning Ridge Black Opal
(Cut: Mixed, Color: Blue, Origin: Natural)
Metal = 18K White Gold
Ring
Category
21st Century and Contemporary Contemporary Band Rings
Materials
Opal, Black Opal, Gold, 18k Gold, White Gold
Diamond & Opal Inlay 14 Karat Yellow Gold Bypass Ring
Located in Boca Raton, FL
Diamond and opal bypass ring crafted in 14 karat yellow gold. The ring features colorful opal
Category
21st Century and Contemporary American Modern Cocktail Rings
Materials
Diamond, White Diamond, Opal, 14k Gold, Yellow Gold
Prima 14 Karat Yellow Gold Black Opal Inlay Ring
Located in Scottsdale, AZ
Designer: prima
Material: 14K yellow gold
Dimension: ring top measures 3mm wide
Ring Size: 7
Category
21st Century and Contemporary Band Rings
Materials
Black Opal, Yellow Gold, 14k Gold
Diamond Opal Inlay 14 Karat Yellow Gold Hinged Bangle Bracelet
Located in Boca Raton, FL
Modern diamond and opal bangle crafted in 14 karat yellow gold. The bangle features colorful opal
Category
21st Century and Contemporary Modern Bangles
Materials
Diamond, Opal, 14k Gold, Yellow Gold
SCAVIA Opal Inlays Diamonds Pavé 18K White and Yellow Gold Ring
By Scavia
Located in Rome, IT
This white gold ring called CALLED OPAL RING, embracing a fire opal, embodies the grace and
Category
2010s Italian Contemporary Band Rings
Materials
Diamond, Opal, Fire Opal, Gold, 18k Gold, White Gold, Yellow Gold
Hand Painted Fire Opal Inlay 18 Karat Gold Diamond Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
These beautiful Fire Opal Inlay earrings features unique hand painted miniature art set with 18K
Category
21st Century and Contemporary Unknown Artisan Drop Earrings
Materials
Opal, Diamond, 18k Gold, Gold
Graduated Welo Opal Nuggets Inlay Opal Toggle, Winnie Necklace
By Karen Sugarman Designs
Located in Colleyville, TX
Opals are my birthstone, so I have always had a soft spot for them because of their unique
Category
21st Century and Contemporary American Artisan Beaded Necklaces
Materials
Opal, Vermeil, Sterling Silver
Opal Inlay and Diamond Huggie Earrings in 14k Yellow Gold
Located in Honolulu, HI
Earrings Specifications:
Metal: 14k Yellow Gold
Earring Diameter: 18 mm
Gemstone Inlay: Black
Category
21st Century and Contemporary American Modern Stud Earrings
Materials
Diamond, Opal, Yellow Gold, 14k Gold
Goshwara Amethyst & Pink Opal Inlay Stud Earrings
By Goshwara
Located in New York, NY
emerald cut amethyst and pink opal gemstones set in lustrous 18K rose gold. The combination of these
Category
21st Century and Contemporary Thai Contemporary Stud Earrings
Materials
Amethyst, Opal, 18k Gold, Rose Gold
14 Karat White Gold Tanzanite, Diamond and Opal Inlay Earrings #13738
Located in Washington Depot, CT
Vintage 14 Karat White Gold Tanzanite, Diamond and Opal Inlay Earrings JAGi Certified-
These
Category
20th Century Drop Earrings
Materials
Diamond, Opal, Tanzanite, White Gold
Estate Inlay-Opal Diamond Ruby Sapphire Gold Ring
Located in Beverly Hills, CA
This unique estate ring features a mosaic of inlay opal which is accented by diamonds, rubies
Category
Late 20th Century Band Rings
Materials
Ruby, Sapphire, White Diamond, Yellow Sapphire, Blue Sapphire, Diamond, ...
Rising Sun Pietra Dura Inlay Opal Malachite Lapis Pendant 14kt Gold
Located in New York, NY
Rising Sun Mosaic Inlay Pendant
Carved Opal, Malachite, Lapis, amd Tiger-eye
Pendant Overall
Category
2010s American Pendant Necklaces
Materials
Lapis Lazuli, Malachite, Opal, Tiger's Eye, 14k Gold, Yellow Gold
14k Yellow Gold Round Faceted Amethyst, Opal Inlay and Diamond Ring
Located in Santa Monica, CA
14k Yellow Gold Round Faceted Amethyst, Opal Inlay and Diamond Ring
Finger Size: 9
Design: inlay
Category
Early 2000s American Modern Cocktail Rings
Materials
Amethyst, Diamond, Opal, Yellow Gold
Round, Australian Opal Inlay Pendant with Diamond Detail, 14kt Gold by Kabana
By Kabana
Located in Bozeman, MT
Round, Australian Opal Inlay Pendant Necklace with Diamond, 14kt Gold, 16", 1/4" wide with diamond
Category
2010s American Contemporary Pendant Necklaces
Materials
Opal, Diamond, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.13 in L 1.5 in
Vintage 14K Coral and Opal Inlay Cuff Bracelet
Located in Webster, SD
This gorgeous vintage cuff bracelet is solid 14k yellow gold.
It features intricate inlay in bright
Category
1990s North American Native American Cuff Bracelets
Materials
Coral, Opal, 14k Gold
Egyptian Scarab Ring with Opal Inlay and Diamonds
Located in Los Angeles, CA
in 14k gold, our scarab ring is inlayed with natural Ethiopian opal cabochons. The band is hand
Category
21st Century and Contemporary American Egyptian Revival Cocktail Rings
Materials
Diamond, Opal, 14k Gold, Yellow Gold
Diamond and Black Opal Inlay Domed Band Ring in 18 Karat Yellow Gold
Located in Scottsdale, AZ
set in a modern domed inlay design. The opals have a gorgeous play-of-color, showing iridescent shades
Category
Late 20th Century Unknown Contemporary Band Rings
Materials
Black Opal, Opal, Diamond, Yellow Gold, 18k Gold, Gold
Kabana Diamond Fire Opal Inlay 18k Yellow Cocktail Ring
By Kabana
Located in Boca Raton, FL
, cushion shape top set in a rhombus shape angle with 8 section of fire opal inlay, each divided by a thin
Category
21st Century and Contemporary North American Modern Cocktail Rings
Materials
Diamond, Opal, Fire Opal, 14k Gold, Yellow Gold
Bright, Opal 'High-Grade' Inlay, Tear-Drop, Dangle Earrings, 14kt Gold by Kabana
By Kabana
Located in Bozeman, MT
High Grade Opal Inlay, Tear-Drop, Dangle Earrings, 14kt Gold, Small, 1"
All designs may be custom
Category
2010s American Contemporary Drop Earrings
Materials
Opal, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.25 in L 1 in
Long Bar, Australian Opal Inlay Necklace with Diamonds, 14kt Yellow Gold, by Kab
By Kabana
Located in Bozeman, MT
Long Bar, Australian Opal Inlay Necklace with Diamonds, 16" in length, pendant measure 2 inches in
Category
2010s American Contemporary Pendant Necklaces
Materials
Diamond, Opal, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.25 in L 2 in
Small Hoop Earrings with High Grade Opal Inlay and Diamonds, 14 Karat Gold
By Kabana
Located in Bozeman, MT
Huggie-Hoop, Hinged Post Earrings, 5 Star, Opal Inlay, with Diamond Detail, 14kt Gold, Diamonds
Category
2010s American Contemporary Hoop Earrings
Materials
Diamond, Opal, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.26 in L 0.56 in
Multi Color Sapphire, Tourmaline and Opal Inlay Vertical Pendant 18K Yellow Gold
Located in Scottsdale, AZ
sapphire gemstones, a captivating tourmaline, and encircled by a delicate inlay of blue opal, this piece
Category
21st Century and Contemporary Unknown Contemporary Pendant Necklaces
Materials
Yellow Sapphire, Tourmaline, Pink Sapphire, Blue Sapphire, Sapphire, Opa...
Free Shipping
W 0.4 in D 0.3 in L 2.84 in
Gin & Grace 14K Yellow Gold Inlay Opal Fancy Pendant with Diamonds for women
Located in New York, NY
Pendant. This Pendant is made of Inlay opal fancy free (4 Pcs) 0.13 Carat and Round-Cut Prong setting
Category
21st Century and Contemporary Chinese Art Deco Pendant Necklaces
Materials
Diamond, Opal, 14k Gold, Yellow Gold
Yellow Gold Lab-Created Opal & Diamond Bypass Band 14k Inlay .30ctw Ring Sz6 1/4
Located in Greensboro, NC
Size: 6 1/4
Metal Content: 14k Yellow Gold
Stone Information
Synthetic Opal
Cut: Inlay
Natural
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Opal, 14k Gold, Yellow Gold
Morganite Ballet Pink Opal Inlay Toggle Choker Necklace, Dahlia V Necklace
By Karen Sugarman Designs
Located in Colleyville, TX
. The blush pink Peruvian opal inlay toggle with abalone and opal, can be worn as a focal point on this
Category
21st Century and Contemporary American Artisan Beaded Necklaces
Materials
Morganite, Opal, Sterling Silver, Gold, Vermeil
Free Shipping
Dm 0.78 in L 20.5 in
Yellow Gold Black Opal Starfish Pendant
Located in Palm Desert, CA
Yellow Gold Black Opal Starfish Pendant. The pendant has a textured finished along the edges and a
Category
Early 2000s American Contemporary Pendant Necklaces
Materials
Opal, Black Opal, Gold, 14k Gold, Yellow Gold
Yellow Gold Black Opal Diamond Ring
Located in Palm Desert, CA
14 Karat Yellow Gold Black Opal Diamond Ring. A striking ring with diamonds channel-set diagonally
Category
1990s Unknown Retro Band Rings
Materials
Opal, Black Opal, Diamond, Gold, 14k Gold, Yellow Gold
Yellow Gold Crystal Opal, Synthetic Opal, & Diamond Pendant - 14k Oval .70ctw
Located in Greensboro, NC
Metal Content: 14k Yellow Gold
Stone Information
Natural Crystal Opal
Carat(s): .50ct
Cut: Oval
Category
21st Century and Contemporary Pendant Necklaces
Materials
Crystal, Diamond, Opal, 14k Gold, Yellow Gold
Goshwara Amethyst & Pink Gold Inlay Oval Pendant
By Goshwara
Located in New York, NY
This Amethyst & Pink Opal Inlay Oval Pendant in 18K Rose Gold is a stunning piece of jewelry from
Category
21st Century and Contemporary Thai Contemporary Pendant Necklaces
Materials
Amethyst, Opal, 18k Gold, Yellow Gold
Opal Mosaic Square Gold Italian Cufflinks
Located in Stamford, CT
.
32 Masonic Opal inlay, 3.80mm
Tested and stamped: 18k
18k yellow gold
Hallmark: Italy
Top to
Category
Mid-20th Century Cufflinks
Materials
Opal, Yellow Gold, Gold, 18k Gold
Yellow Gold Black Opal Slider X Pendant
Located in Palm Desert, CA
14 Karat Yellow Gold Black Opal Slider X Pendant. The pendant features a dome shaped X with channel
Category
Early 2000s American Contemporary Pendant Necklaces
Materials
Opal, Black Opal, Gold, 14k Gold, Yellow Gold
Angela Cummings White Gold and Opal Snakeskin Bangle Bracelet
By Angela Cummings
Located in Chicago, IL
Circa 1980s Angela Cummings 18K White Gold and Opal inlay " Snake skin " Bangle Bracelet, having a
Category
Vintage 1980s American Bangles
Materials
Opal, 18k Gold
14k White Gold Ethiopian Opal Men's Ring with Diamonds
By Avanti
Located in Carrollton, TX
This stunning Ethiopian opal men's ring is a must have for any collection. The round opal glows
Category
2010s American Contemporary Dome Rings
Materials
Diamond, Opal, 14k Gold, White Gold
18K Gold Art Opal Pendant Brooch with Japanese Gold Painting Technology
By MOISEIKIN
Located in Hong Kong, HK
gold and platinum painting and shell inlay. The watery opal and its azure blue makes a fantastic
Category
2010s Russian Contemporary Brooches
Materials
Diamond, Opal, Cultured Pearl, 18k Gold
KABANA 14K Gold Opal diamond Necklace
By Kabana
Located in San Fernando, CA
KABANA
14K Yellow Gold
Teardrop Pendant
With Single Diamond and Opal Inlay.
20" 14K Yellow Gold
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, 14k Gold
Kabana Diamond Fire Opal Tourmaline Iolite 14k Yellow Gold Band Ring
By Kabana
Located in Boca Raton, FL
of yellow gold set between fire opal inlay with channel set diamonds and iolite. The sides and back
Category
21st Century and Contemporary North American Modern Cocktail Rings
Materials
Diamond, Iolite, Opal, Tourmaline, Fire Opal, 14k Gold, Yellow Gold
Diamond Opal Green Tourmaline Amethyst Yellow Gold Contemporary Brooch Pin
Located in Boca Raton, FL
Vibrant diamond and gemstone brooch handcrafted in 14 karat yellow gold. The pin features inlays of
Category
Late 20th Century American Contemporary Brooches
Materials
Amethyst, Diamond, Opal, Tourmaline, Yellow Gold
Free Shipping
W 1 in L 1.75 in
Vintage Black Opal & Onyx Diamond Cufflinks
Located in Winter Springs, FL
octagonal onyx sections are inlayed with fiery pieces of natural black opal exhibiting flashes of red
Category
Early 20th Century Art Deco Cufflinks
Materials
Diamond, Onyx, Opal, Black Opal, 18k Gold
Richard Chavez Fire Opal, Black Jade, and Turquoise 18k Gold Dangle Earrings
By Richard Chavez
Located in New York, NY
Richard Chavez 18 karat gold dangle earrings with fire opal, black jade, and turquoise, c. 2020
Category
2010s American Native American Dangle Earrings
Materials
Jade, Opal, Turquoise, Black Jade, Fire Opal, Gold, 18k Gold, Yellow Gold
Free Shipping
H 1.85 in W 1.12 in
Kabana Diamond Fire Opal Amethyst 14k Yellow Gold Band Ring
By Kabana
Located in Boca Raton, FL
strips of opal inlay on each side. Round cut diamonds are set across the front edge of the band on both
Category
21st Century and Contemporary North American Modern Band Rings
Materials
Amethyst, Fire Opal, Diamond, 14k Gold, Yellow Gold
Kabana Diamond Fire Opal 14k Yellow Gold Fancy Cross Charm Pendant
By Kabana
Located in Boca Raton, FL
section style Cross with fire opal inlay on the front of the entire Cross accented with diamond border
Category
21st Century and Contemporary American Modern Charm Bracelets
Materials
Diamond, Fire Opal, 14k Gold, Yellow Gold
High Grade 'Five-Star' Oval, Australian Opal Post Earrings, 14kt Gold by Kabana
By Kabana
Located in Bozeman, MT
High Grade (Five-Star) Oval, Australian Opal Post Earrings, 14kt Gold by Kabana, 3/4" x 1/2", Post
Category
2010s American Contemporary Stud Earrings
Materials
Opal, Other, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.5 in L 0.75 in
Amy Y 18K Gold, Australian Boulder Opal and Diamond Pendant Necklace 'Aspen'
By Amy Y
Located in Santa Monica, CA
Amy Y’s 18K-yellow gold, diamond encrusted Australian boulder opal pendant necklace is a one-of-a
Category
2010s American Contemporary Pendant Necklaces
Materials
Diamond, Opal, 18k Gold, Yellow Gold
High Grade 'Five Star' Australian Opal and Diamond Wavy Stacker Ring, 14kt Gold
By Kabana
Located in Bozeman, MT
High Grade (Five Star) Australian Opal and Diamond Wavy Stacker Ring, 14kt Gold, Size 7. Custom
Category
2010s American Contemporary Wedding Rings
Materials
Other, Opal, Diamond, Yellow Gold, 14k Gold, Gold
Amy Y 18K Gold, Bouder Opal and Diamond Contemporary Pendant Necklace 'Emily'
By Amy Y
Located in Santa Monica, CA
gold with 2.07ct. Vs, colorless rose-cut, fine quality diamond inlay. Beauty and versatility encompass
Category
2010s American Contemporary Pendant Necklaces
Materials
White Diamond, Opal, 18k Gold, Rose Gold
Amy Y 18K Gold, Boulder Opal and Diamond Contemporary Pendant Necklace 'Claire'
By Amy Y
Located in Santa Monica, CA
occasions. This primarily blue, hints of pink-colored boulder opal rest superbly in 18K-rose gold
Category
2010s American Contemporary Pendant Necklaces
Materials
White Diamond, Opal, 18k Gold, Rose Gold
Kabana 14 Karat Yellow Gold Small Opal Earrings
By Kabana
Located in Dallas, TX
Kabana 14K Yellow Gold Small Opal Earrings - Set in 14K Yellow Gold. Beautiful 5 Star Opal inlay
Category
20th Century American Drop Earrings
Materials
Yellow Gold
14K Diamond Temple Necklace with Opals
Located in Los Angeles, CA
.
Details:
18" Spiga Wheat Chain in 14k gold included
Natural Opal Inlay
1.3 carat of diamond total weight
Category
21st Century and Contemporary American Artisan Pendant Necklaces
Materials
Diamond, Opal, 14k Gold, Yellow Gold
Namesake Cufflinks with Pink Opal 18ct Yellow Gold
Located in Brisbane, AU
sourced gold
Available in pearl enamel, malachite, onyx and opal inlay.
Solid gold cufflinks, spring
Category
21st Century and Contemporary Australian Contemporary Cufflinks
Materials
Chalcedony, 18k Gold, Yellow Gold
Delicate, Long, Sleeping Beauty Turquoise Inlay, Earrings, 14 Karat Gold
By Kabana
Located in Bozeman, MT
Delicate, Long, Sleeping Beauty Turquoise Inlay, Earrings, 14kt Yellow Gold, 1 1/2"
All designs
Category
2010s American Contemporary Drop Earrings
Materials
Turquoise, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.14 in L 1.97 in
Amy Y 14.00ct Boulder Opal, Diamond and 18K-Rose Gold Pendant Necklace 'Aspen'
By Amy Y
Located in Santa Monica, CA
Amy Y's stunning 14.00ct. Boulder opal, diamond and 18K-rose gold pendant necklace 'Aspen' is
Category
2010s American Contemporary Pendant Necklaces
Materials
Opal, White Diamond, Rose Gold, 18k Gold
Free Shipping
W 0.75 in D 0.07 in L 1.25 in
Long, Delicate, Chrysoprase Inlay Post Earrings, 14kt Yellow Gold, by Kabana
By Kabana
Located in Bozeman, MT
Long, Delicate, Chrysoprase Inlay Post Earrings, 14kt Yellow Gold, by Kabana, Measures 1 1/2
Category
2010s American Contemporary Drop Earrings
Materials
Chrysophrase, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.13 in L 1.5 in
Swoop-Triangle Post Earrings, Sleeping Beauty Turquoise Inlay, 14k Yellow Gold
By Kabana
Located in Bozeman, MT
Swoop-Triangle Post Earrings with Sleeping Beauty Turquoise Inlay, 14k Gold, Small, 3/4"
All
Category
2010s American Contemporary Stud Earrings
Materials
Turquoise, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.28 in L 0.6 in
Little, Rectangular, Lapis Lazui Inlay Post Earrings 14kt Yellow Gold, by Kabana
By Kabana
Located in Bozeman, MT
Little, Rectangular, Lapis Inlay Post Earrings, 14kt Gold, Very small post earrings
All designs may
Category
2010s American Contemporary Stud Earrings
Materials
Lapis Lazuli, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.14 in L 0.26 in
Black Onyx Inlay Triangle Post Earrings, 14 Karat Yellow Gold, by Kabana
By Kabana
Located in Bozeman, MT
Triangle Post Earrings with Black Onyx Inlay, 14kt Yellow Gold by Kabana
All designs may be custom
Category
2010s American Contemporary Stud Earrings
Materials
Onyx, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.25 in L 0.5 in
Green Chrysoprase Inlay Post Earrings with Diamonds, 14 Karat Gold by Kabana
By Kabana
Located in Bozeman, MT
Green Chrysoprase Inlay Post Earrings with Diamonds, 14kt Gold by Kabana
All designs may be
Category
2010s American Contemporary Stud Earrings
Materials
Diamond, Other, Chrysophrase, Gold, 14k Gold, Yellow Gold
Free Shipping
W 0.25 in L 0.25 in
High Grade 'Five-Star' Opal and Diamond Miniature Post Earrings
By Kabana
Located in Bozeman, MT
seamless finish. Our solid inlay creates a gemstone that rises above the gold forming a dome, creating
Category
2010s American Contemporary Stud Earrings
Materials
Diamond, Other, Opal, Gold, 14k Gold, Yellow Gold
High-Grade 'Five-Star', Opal Stacker Ring with Side Diamond Detail
By Kabana
Located in Bozeman, MT
Opal Stacker Ring with Side Diamond Detail, 14kt Yellow Gold, size 7 in stock, custom sizes are
Category
2010s American Contemporary Fashion Rings
Materials
Other, Opal, Diamond, Yellow Gold, 14k Gold, Gold
Large Vintage Reversible 14K Inlay Pendant Navajo
Located in Webster, SD
features inlay in jet, coral, spiny oyster, turquoise, lapis lazuli, opal, white turquoise and more
Category
1990s North American Native American Pendant Necklaces
Materials
14k Gold
- 1
Get Updated with New Arrivals
Save "Opal Inlay Gold", and we’ll notify you when there are new listings in this category.
Opal Inlay Gold For Sale on 1stDibs
Surely you’ll find the exact piece of opal inlay gold you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of gold, yellow gold and 14k gold, this item was constructed with great care. Find an antique version now, or shop for 68 vintage or 130 modern creation for a more contemporary example of these cherished accessories. You’re likely to find the perfect item from our selection of opal inlay gold among the distinctive items we have available, which includes versions made as long ago as the 19th Century as well as those produced as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 carat and 1 carat versions are of considerable interest. Finding an appealing choice in our collection of opal inlay gold — no matter the origin — is easy, but Kabana, Angela Cummings and Amy Y each produced a popular version that is worth a look. An object in our assortment of opal inlay gold of any era or style can lend versatility to your look, but a version featuring opal, from our inventory of 140, is particularly popular. A round cut version of this piece has appeal, but there are also cabochon and mixed cut versions for sale. There aren’t many items for men if you’re seeking an option in this array of opal inlay gold, as most of the options available are for women and unisex.
How Much is a Opal Inlay Gold?
Prices for a piece of opal inlay gold can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $160 and can go as high as $300,000, while this accessory, on average, fetches $2,848.
More Ways To Browse
Black Onyx 14k Bracelet
Chinoiserie Embroidered Coat
Horseshoe Agate
Enamel Face Watch
Mark Gold
Dog In Jewelry
1700s Watch
1880s Red Coral
Marina B White B
Lab Created Sapphire In Real Gold
276 Diamond
Pure Silver Bracelet
Black Onyx 14k Bracelet
Lalaounis Gold Cuff
Submariner Jubilee
Tag Heuer 1000
Tiffany Blue Dial Watch Mens
Tiffany Ct60 34mm