Unknown Jewelry
973
125,833
8,852
to
15,461
88,388
32,441
129
100
57
923
8,947
57,191
67,616
2,346
1,661
4,109
2,671
2,055
3,428
3,537
3,474
4,565
2,645
500
149,023
5,189
4,530
4,289
4,032
82,392
50,130
2,163
103,218
43,347
40,495
37,876
34,913
87,387
16,473
10,784
10,360
10,880
32555
12789
8735
8130
5792
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16,372
14,952
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78
62
5
Creator: Unknown
14 Karat Yellow Gold Opal and Diamond Butterfly Ring Size 7.25
Located in Washington Depot, CT
Vintage 14 Karat Yellow Gold Opal and Diamond Butterfly Ring Size 7.25-
This lovely butterfly ring features one oval opal (9 mm x 6 mm) and two round brilliant cut diamonds set in b...
Category
20th Century Unknown Jewelry
Materials
Diamond, Opal, Yellow Gold
Modern 18 Karat Gold 10.7 Carat Pear Cut Citrine 0.5 Carat Diamond Cocktail Ring
Located in Vilnius, LT
This is a gorgeous modern design cocktail ring crafted in 18K white gold. Circa 2000.
The piece features:
- 1 citrine (pear cut, 10.70ct, Y 2/2, VS)
- 77 diamonds (round brilliant ...
Category
21st Century and Contemporary Modern Unknown Jewelry
Materials
Citrine, Diamond, Gold, 18k Gold
Pink Round Diamond Bezel Set Flower Unique Vintage Engagement Ring "Lily Emma"
Located in Hertsliya, IL
Beautiful Bezel setting center stone pink lab diamond engagement ring.
Lily flower means - Pure. The flower lily is a symbol of innocence, purity, and beauty.
The list is for the Eng...
Category
2010s Israeli Victorian Unknown Jewelry
Materials
Diamond, Pink Diamond, 14k Gold
Vintage 18 Carat White Gold Aquamarine and Diamond Ring
Located in Chipping Campden, GB
An exquisite vintage ring centrally set with a stunning emerald cut aquamarine measuring approximately 1 carat. Elegantly flanking the aquamarine are two beautiful baguette cut diamo...
Category
1960s British Vintage Unknown Jewelry
Materials
Aquamarine, Diamond, 18k Gold, White Gold
GEM Paris Certified 3.37 carats sapphire ring
Located in PARIS, FR
3.37 carat cushion-cut sapphire, round and baguette-cut diamonds ring.
Gem Paris certified sapphire
Estimated weight of the diamonds : 0.80 carat total
Estimated characteristics :...
Category
21st Century and Contemporary European Art Deco Unknown Jewelry
Materials
Diamond, Sapphire, 18k Gold, White Gold
Natural Blue Sapphire & Diamond Cocktail Ring 1.60 Carats Total 14k White Gold
Located in Laguna Niguel, CA
It comes with the appraisal by GIA GG/AJP
Sapphire = 1 Carat
Cut: Round
Stone Size: 6 mm
Diamonds = 0.60 Carats
Metal: 14K White Gold
Height: 7 mm
Width: 23 mm
Length: 7 mm
Ring Size...
Category
21st Century and Contemporary Contemporary Unknown Jewelry
Materials
Blue Sapphire, White Diamond, Diamond, White Gold, 14k Gold, Gold
Vintage Cultured and Fine Pearl Necklace
Located in PARIS, FR
Two-strand vintage graduating pearl necklace. Cultured pearls, amongst them three non tested fine pearls.
18K gold clasp
French cr...
Category
1960s French Vintage Unknown Jewelry
Materials
Pearl, 18k Gold
Faceted 2.15 Carats Ethiopian Opal Cluster Ring Sterling Silver
Located in Laguna Niguel, CA
It comes with the appraisal by GIA GG/AJP
Opal = 2.15 Carats
Stone Quantity: 9
Cut: Oval
Metal: Sterling Silver
Rhodium Plated
Height: 5.5 mm
Width: 21.5 mm
Length: 12 mm...
Category
21st Century and Contemporary Contemporary Unknown Jewelry
Materials
Opal, Rhodium, Silver, Sterling Silver
Natural Kyanite Cocktail Ring 2.50 Carats Sterling Silver
Located in Laguna Niguel, CA
It comes with the Gemological Appraisal by GIA GG/AJP
All Gemstones are Natural
11 Kyanites = 2.50 Carats
Cut: Oval & Round
Other Gemstones: White Topazes
Metal: Rhodium Plated Sterl...
Category
21st Century and Contemporary Contemporary Unknown Jewelry
Materials
Topaz, Kyanite, Rhodium, Silver, Sterling Silver
1950s Platinum Blue Sapphire and Diamond Mid Century Retro Non-Pierced Earrings
Located in Lexington, KY
This midway retro pair of 1950s platinum and diamond earrings starring medium blue sapphires provide a secure and comfortable fit f...
Category
1950s American Retro Vintage Unknown Jewelry
Materials
Diamond, Blue Sapphire, Platinum
.65 Carat H-I Color, Si-I Clarity 14k White and Yellow Gold Diamond Ring
Located in Surfside, FL
Bezel set approximately 0.65 carat H-I color, SI-I clarity diamond ring in 14k white and yellow gold with 0.50 carats in G-H color, VS-SI clarity dia...
Category
20th Century Unknown Jewelry
Materials
Yellow Gold
18 Karat Yellow Gold Sapphire and Diamond Cocktail Ring
Located in Scottsdale, AZ
Designer: custom
Material: 18K yellow gold
Diamond: 12 round brilliant cut = 1.00cttw
Color: G
Clarity: VS2
Dimensions: ring top measures 15mm wide
Ring Size: 6.5 (complimentary sizi...
Category
21st Century and Contemporary Unknown Jewelry
Materials
Diamond, Sapphire, 18k Gold, Yellow Gold
1.5 Ct. Aquamarine and Diamond Art Deco Style Engagement Ring in 14K White Gold
Located in Bangkok, TH
A stunning Art Deco Inspired Aquamarine and Diamond White Gold Ring! The 1.5 carat oval shaped aquamarine is bezel set sitting atop a balanced dispersion of old cut diamonds that tot...
Category
21st Century and Contemporary Thai Art Deco Unknown Jewelry
Materials
Aquamarine, Diamond, 14k Gold, White Gold
Edwardian 2.50ct Diamond Three Stone Ring, c.1910s
Located in London, GB
Three old cut diamonds are elegantly presented in this beautiful Edwardian trilogy ring. The central diamond is the largest, weighing 1.10 carat, with the flanking pair weighing 0.70...
Category
1910s Unknown Edwardian Vintage Unknown Jewelry
Materials
Diamond, 18k Gold
14 Karat White Gold Round Brilliant Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: Custom
Material: 14K white gold
Diamond: 1 round brilliant cut = 3.52ct
Color: H
Clarity: VS1
GIA: 7145694
Dimensions: ring top measures 11mm wide
Ring Size: 5.75 (complime...
Category
21st Century and Contemporary Unknown Jewelry
Materials
Diamond, 14k Gold, White Gold
Yellow Gold Turtle Charm Bracelet
Located in Coral Gables, FL
14 Karat Yellow Gold Charm Bracelet Featuring 16 Turtle Charms with Various Gemstones and Inlays Incluing Diamonds, Sapphires, Mother of Pearl and Emeralds. Bracelet is 8 Inches Long...
Category
21st Century and Contemporary Unknown Jewelry
Materials
Yellow Gold, 14k Gold
14K Yellow Gold Curb Link Chain Bracelet, 17.7gr
Located in Laguna Beach, CA
14k Yellow Gold Curb Link Bracelet.
Length- 8in
Width- 7.7mm
Stamped 14k, weighs 17.7gr
Category
20th Century Unknown Jewelry
Materials
Yellow Gold
Antique Victorian 18ct yellow gold, cultured pearl and diamond crystal ring
Located in London, GB
A beautiful rich 18ct yellow gold ring featuring five slightly graduated cultured pearls flanked by tiny, sparkly old cut diamond crystals, deliberately mismatched, each one with a s...
Category
1850s European Victorian Antique Unknown Jewelry
Materials
Diamond, Cultured Pearl, 18k Gold, Yellow Gold
Antique Art Deco Platinum 1.54ct Diamond French Sapphire Ribbon Engagement Ring
Located in Montclair, NJ
--Stone(s):--
(8) Natural Genuine Sapphires - Graduated French Square Step Cut - Milgrain-Bezel Set - Deep Blue Color
(1) Natural Genuine Diamond - Old European Cut - Prong Set - J C...
Category
1920s Art Deco Vintage Unknown Jewelry
Materials
Diamond, Sapphire, Platinum
Vintage Platinum 4.45ctw Step Cut Aquamarine & Old Cut Diamond Cocktail Ring
Located in Montclair, NJ
--Stone(s):--
(1) Natural Genuine Aquamarine - Emerald Step Cut w/ Cut Corners- Prong Set - Sky Blue Color - 3.74ct (exact)
(2) Natural Genuine Diamonds - Old Mine Cut - Prong Set -...
Category
21st Century and Contemporary Unknown Jewelry
Materials
Aquamarine, Diamond, Platinum
Victorian Era Rose Cut Diamonds Silver and 18kt Pink Gold Navette Ring
Located in Cattolica, IT
One Victorian design Rose-cut diamonds, 18 Kt pink gold and silver navette ring.
This ring is a perfect example of jewelry from the period.
It is set with nine rose-cut diamonds. The...
Category
1930s European Victorian Vintage Unknown Jewelry
Materials
Diamond, Gold, Silver
Gorgeous 3.90 Carat Multi Color Tourmaline Cushion Shape from Afghanistan Mine
Located in Peshawar, PK
Gemstone Type : Tourmaline
Weight : 3.90 Carats
Size: 0.90 to 1.15 Carat
Origin : Kunar Afghanistan
Clarity : Eye Clean
Shape: Cushion
Color: Mint Green, Pink
Certificate: On Deman...
Category
21st Century and Contemporary Afghan Arts and Crafts Unknown Jewelry
Materials
Tourmaline, Britannia Standard Silver, Base Metal, Berlin Iron, Brass, B...
Vintage Diamond and 18 Carat Gold Three-Stone Ring
Located in Chipping Campden, GB
This three stone diamond ring holds three glistening diamonds which are set in tall, elegant platinum illusion settings. Made in London, England.
Ring Size: N or 6 1/2
Category
1960s British Modern Vintage Unknown Jewelry
Materials
Diamond, 18k Gold, Gold
Antique Victorian 18k Gold, Black Enamel & Old Cut Diamond Mourning Ring, C 1884
Located in MELBOURNE, AU
Although Mourning Jewelry has a long & fascinating history,
going back to as far as Middle Ages,
its popularity reached its peak during the reign of Queen Victoria (1837 - 1901).
...
Category
1880s English Late Victorian Antique Unknown Jewelry
Materials
Diamond, 18k Gold, Enamel
Simple Diamond Crossover Band, 14k Yellow Gold, Ring, Stackable Diamond
Located in McLeansville, NC
This gorgeous 14K yellow gold diamond crossover band is a beautiful and delicate addition to any jewelry collection. Featuring 0.03 carats of diamonds in a unique crossover design, t...
Category
1990s Unknown Jewelry
Materials
Diamond, 14k Gold, Yellow Gold
18 Karat Yellow Gold Cuban Link Chain Bracelet
Located in New York, NY
A classic cuban link chain Made with 18K Yellow Gold. 64 grams in weight and 8.40 inches in length. Made in Italy.
9.20mm wide
3.60mm high
Style available in different price range...
Category
21st Century and Contemporary Italian Modern Unknown Jewelry
Materials
18k Gold, Yellow Gold
An Impressive 9.6mm Golden Pearl & Top Quality Diamond Ring in 18K Rose Gold
Located in MELBOURNE, AU
Centrally set with perfectly round South Sea Pearl of AAA quality,
of Golden color & a very high, mirror-like luster
of 9.6mm
Surrounded by the row of round brilliant cut diamonds...
Category
1990s Australian Modern Unknown Jewelry
Materials
Diamond, Pearl, Rose Gold
14 Karat White Gold Oval Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: custom
Material: 14K white gold
Diamond: 1 oval cut = 0.96ct
Color: G
Clarity: VS1
GIA: 519200795
Diamond: 34 round brilliant cut = 0.50cttw
Color: G
Clarity: VS1-2
Dimensi...
Category
21st Century and Contemporary Unknown Jewelry
Materials
Diamond, 14k Gold, White Gold
Signet Unisex Onyx Diamond Ring 10 Karat Yellow Gold Textures Ring
Located in Jupiter, FL
Signet unisex diamond onyx ring made in 10kt yellow gold, interestingly made with abrasive texture on the band.
GOLD: 10KT gold
NATURAL DIAMOND(S)
Clarity/Color: SI/G
Carat:0.02ct
C...
Category
Late 20th Century Unknown Jewelry
Materials
Diamond, Onyx, 10k Gold, Yellow Gold
Clip-On Pearl and Diamonds Vintage Earrings, Flower Peral Earrings, Yellow Gold
Located in Ramat Gan, IL
Vintage Pearl Clip-on Earrings - Pearls and 1CT Diamonds Earrings, Solid 18k Yellow Gold, Vintage Earrings, Estate Jewelry, Earrings for Women, Es...
Category
Mid-20th Century European Art Nouveau Unknown Jewelry
Materials
Diamond, Pearl, Yellow Gold
Art Deco Style 0.70ct Diamond Engagement Ring in 14K White Gold
Located in Boston, MA
A vintage Art Deco style 0.70 carat diamond engagement ring in 14 karat white gold. Centering this ring is a 0.70 carat H color, VS2 clarity round brilliant cut diamond framed by six...
Category
1930s Art Deco Vintage Unknown Jewelry
Materials
Diamond, White Gold
Vintage Diamond Platinum 18 Carat Gold Three-Stone Ring
Located in Chipping Campden, GB
An elegant vintage three-stone ring, set with a diagonal row of beautiful old European cut diamonds. The stones are set in platinum which extends to the shoulders which have great cu...
Category
20th Century Unknown Unknown Jewelry
Materials
Diamond, 18k Gold, Platinum
18K Gold Blocky Alternating Bar and Link Vintage Bracelet
Located in Venice, CA
This bold, 1980's bar and link bracelet is made of 18k gold and is sure to make you stand out from the crowd. The large brick-like links are hard to miss and are tied together by equ...
Category
20th Century Modernist Unknown Jewelry
Materials
Gold, 18k Gold, Yellow Gold
Victorian 0.75ct Diamond Solitaire Engagement Ring in 14K Rose Gold
Located in Boston, MA
An original victorian period diamond solitaire engagement ring in 14 karat rose gold. Centered by a 0.75 carat old European cut diamond of H color, SI1 clarity. The mounting featurin...
Category
1890s Victorian Antique Unknown Jewelry
Materials
Diamond, Rose Gold
Sterling Silver Snake Chain Necklace with Peridot
Located in Nantucket, MA
A condensed herringbone pattern snake chain necklace with a looping snake at the front with faceted garnet eyes and a faceted, pear-shaped third e...
Category
21st Century and Contemporary Unknown Jewelry
Materials
Peridot, Sterling Silver
Stacked Bangle Bracelets, Sterling Silver, Bangle Bracelet
Located in McLeansville, NC
A sterling silver stacked bangle bracelets set. This wide bracelet is comprised of seven sterling bangles, joined by a single spacer bar. It is stamped 925.
Width: 3/4 in.
Interior...
Category
1970s Vintage Unknown Jewelry
Materials
Sterling Silver
Blue Sapphire with Diamond Ring Set in 18 Karat Gold Settings
Located in Bangkok, TH
Blue Sapphire 2.49 carats with Diamond 0.39 carat Ring set in 18 Karat Gold Settings
Width: 1.4 cm
Length: 1.4 cm
Ring Size: 53
Total Weight: 7.02 grams
Blue Sapphire
Width: 0....
Category
2010s Thai Contemporary Unknown Jewelry
Materials
Diamond, Blue Sapphire, Gold, 18k Gold
Vintage 18 Carat Gold Decorative Band
Located in Chipping Campden, GB
The engraving on this 18ct yellow band is beautiful. This band would make a gorgeous fancy wedding band or a beautiful every day wear ring. Fully ha...
Category
1970s British Vintage Unknown Jewelry
Materials
Gold, White Gold
New African 14.80 Ct Blue Purple Sapphire Sterling Ring Size 6.75
Located in Eagan, MN
The ring is a size 6.75. This stone is from Africa. It is a beautiful oval cut stone and is 14.80 cts. It's a very high quality stone. It measures 19.2 x 16.2 mm and is surrounded...
Category
2010s Unknown Art Deco Unknown Jewelry
Materials
Sapphire, Purple Sapphire, Silver, Sterling Silver
White gold ring with pearl and diamonds butterfly decoration
Located in BARI, IT
18-karat white gold ring with central cultured Japanese pearl and side decorations with butterfly on one side and flower on the other, set with brilliants (ct.0.22). Understated and ...
Category
2010s Italian Belle Époque Unknown Jewelry
Materials
White Diamond, Pearl, 18k Gold
2.68 Carat Oval Cab Ethiopian Opal with Diamond Accents 10K White Gold Earring
Located in New York, NY
Decorate yourself in elegance with this Earring is crafted from 10-karat White Gold by Gin & Grace Earring. This Earring is made up of 9x7 mm Oval - Cab (2pcs) 2.68 carat Ethiopian Opal and Round-cut White Diamond (64 Pcs) 0.36 Carat. This Earring is weight 3.76 grams. This delicate Earring...
Category
20th Century Chinese Art Deco Unknown Jewelry
Materials
Diamond, Opal, 10k Gold, Yellow Gold
Alexandrite Diamond Platinum Ring
Located in Beverly Hills, CA
A mesmerizing and rare alexandrite, weighing 1.18 carats, takes center stage of this platinum made ring. The alexandrite has an oval-shape along with great color-change as the color ...
Category
21st Century and Contemporary American Unknown Jewelry
Materials
Alexandrite, Diamond, Platinum
1ct Natural Sapphire Blue Stud Earrings 14kt
Located in New York, NY
Classic stud earrings
1ct natural round cut sapphires.
Clean clarity and transparent.
4.6mm each.
Depth of earrings: 4mm
14kt Yellow gold 1 gram
Category
2010s American Unknown Jewelry
Materials
Sapphire, 14k Gold, Yellow Gold
28 Carat Octagonal Cut Aquamarine Diamonds Onyx Platinum Cocktail Ring
Located in Pamplona, Navarra
28 carat octogonal cut single stone aquamarine onyx frame and brilliant cut diamonds set in an hand crafted, delicate and sophisticated looking Platinum 950 cocktail ring.
Aquamarin...
Category
1960s Unknown Art Deco Vintage Unknown Jewelry
Materials
Onyx, Diamond, Aquamarine, Platinum
14 Karat Yellow Gold and Diamond Ring
Located in Washington Depot, CT
14 Karat Yellow Gold and Diamond Ring Size 5.5-
This sparkling ring features three round old mine cut diamonds set in 14K yellow gold. Width 5 mm. Shank: 1 mm.
Approximate total...
Category
20th Century Unknown Jewelry
Materials
Diamond, 14k Gold, Yellow Gold
NWT $275, 000 Rare Fancy 18KT Gold 60CT Gorgeous Important Ruby Diamond Necklace
Located in New York, NY
The Following Item we are offering is this Rare Important Radiant 18KT Gold Gorgeous Glittering and Sparkling Magnificent Fancy Rare Important Ruby and ...
Category
21st Century and Contemporary Unknown Jewelry
Materials
Diamond, Ruby, Gold, 18k Gold
Jade and Diamond Textured Finish Ring in 14k Yellow Gold
Located in Honolulu, HI
Item Specifications:
Metal: 14k Yellow Gold
Style: Statement Ring
Ring Size: 12 (resizing available for a fee)
Total Weight: 10 Grams
Gemstone Specifications:
Center Gemstone:...
Category
Late 20th Century Unknown Modern Unknown Jewelry
Materials
Jade, Diamond, 14k Gold, Yellow Gold
Art Deco Platinum Diamond Panel Link Bracelet
Located in Palm Beach, FL
Very fine Art Deco diamond panel link bracelet, set with marquise-shaped, baguette-cut and circular-cut diamonds. Handmade in platinum. Diamonds weighi...
Category
1920s Unknown Modern Vintage Unknown Jewelry
Materials
Diamond, Platinum
Rubies, Diamonds, 18 Karat White Gold Stud Earrings
Located in Marcianise, Marcianise (CE)
SHIPPING POLICY:
No additional costs will be added to this order.
Shipping costs will be totally covered by the seller (customs duties included).
PS: THIS POLICY IS NOT APPLICABLE ...
Category
Early 2000s Italian Modern Unknown Jewelry
Materials
Diamond, Ruby, 18k Gold, White Gold
18ct White Gold Ring with Four Princess Cut Diamonds and a 15mm Tahitian Pearl
Located in London, GB
A 18ct white gold ring in a satin finish centering a Tahitian Pearl measuring 15mm. Ring's shoulders with two princess cut diamonds on either side. Total diamond weight approximately...
Category
1990s French Unknown Jewelry
Materials
Diamond, Pearl, White Gold
14 Karat Yellow Gold Mother-of-pearl, Lapis Lazuli Onyx Ring
Located in Dallas, TX
In 14 karat yellow gold, this ring features beautiful inlays of mother-of-pearl, lapis lazuli and onyx!
Category
21st Century and Contemporary Unknown Jewelry
Materials
Lapis Lazuli, Onyx, Pearl, 14k Gold, Yellow Gold
Vintage Emerald and Diamond 18 Carat White Gold Solitaire Ring
Located in Chipping Campden, GB
The Emerald in this ring measures 1.5ct and is a great colour. Either side sits a baguette diamond, the diamond total is approx 30pts. The ring is modelled out of 18ct white gold.
...
Category
1980s British Vintage Unknown Jewelry
Materials
Diamond, Emerald, Gold, White Gold
14 Karat White Gold and Diamond Engagement Ring
Located in Washington Depot, CT
14 Karat White Gold Diamond Engagement Ring Size 6.25-
This sparkling ring features 17 round brilliant cut diamonds (center: .17 ct., sides: .07 ct. each) set in beautifully detaile...
Category
20th Century Unknown Jewelry
Materials
Diamond, White Gold
Mid-Century Diamond Platinum Necklace
Located in Beverly Hills, CA
One mid-century diamond necklace set in platinum featuring 324 marquise, pear and straight baguette diamonds with an approximate total weight of 48 ct., H-I-J / VS-2, SI-1. 18 of the...
Category
1950s Vintage Unknown Jewelry
Materials
Diamond, Platinum
Certified Natural Nephrite White Hetian Jade Necklace, Birds and Nature Motif
Located in Hong Kong, HK
For your consideration is a certified natural nephrite jade necklace. This jade is very well carved. The jade carving is of scenic nature of birds and trees. The Hetian nephrite jade carving is close to being white. The photo (#3) that best represent the jade color is the one taken with a human hand as the background. Hetian jade...
Category
2010s Chinese Contemporary Unknown Jewelry
Materials
Jade
Ring Chrysocolla Rose Gold
Located in Vannes, FR
Discover this magnificent ring in 18-carat pink gold, featuring a superb chrysocolla. The chrysocolla measures 1.4 cm long and 1.1 cm wide, offering a remarkable presence on your fin...
Category
21st Century and Contemporary French Artisan Unknown Jewelry
Materials
Chrysocolla, Rose Gold, 18k Gold, Gold
Art Deco Inspired Old Cut Diamond Engagement Ring Set in Platinum
Located in London, GB
A rather unique Art Deco inspired square diamond engagement ring set in platinum.
This beautiful piece is predominantly set with a love...
Category
1980s Unknown Art Deco Vintage Unknown Jewelry
Materials
Diamond, Platinum
18.50 Carat Natural Diamond and Sapphire 18K Yellow Gold Leopard Choker
Located in Miami, FL
Diamond, sapphire, and 18K yellow gold spring-loaded choker necklace in a Cartier style with two leopards in a relaxed pose. This necklace features 120 natural diamonds of VS1 clarity/F-G color and 160 round cut blue sapphires. The necklace is designed to close to a 15-inch opening but as it's spring-loaded could accommodate more, truly a magnificent piece that has the look, feeling, and presence of a Cartier signed piece. Included is the original blue presentation box marked for Michalis of Greece...
Category
Early 2000s Unknown Jewelry
Materials
Diamond, Sapphire, 18k Gold
Unknown jewelry & watches for sale on 1stDibs.
Find a range of Unknown jewelry & watches available on 1stDibs. Each of these unique items was designed with extraordinary care, often using gold. While looking for the most stylish antique or vintage Unknown jewelry to pair with your ensemble, you’ll find that Unknown diamond jewelry & watches, from our inventory of 80,710, can add a particularly distinctive touch to your look. We have 126,010 pieces in this collection as well as a number of other designs by this jeweler. While this collection reflects work that originated over various time periods, most of these items were designed during the 21st century and contemporary. Prices for Unknown jewelry & watches can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $20 and tops out at $7,123,285, while pieces like these, on average, can sell for $2,925.