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Unknown Jewelry

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Period: 20th Century
Creator: Unknown
Retro Graduated Golden Pearl Necklace with Sterling Silver Clasp
Located in Milford, DE
Necklace length: 46cm / 17.75 inches Cultured pearl, from 1 cm to 1.5 cm Marks / hallmarks: 925 (Clasp) Indulge in the opulence of our graduated golden pearl necklace, a symphony of...
Category

20th Century North American Retro Unknown Jewelry

Materials

Cultured Pearl, Sterling Silver

French Art Deco 18 karat Yellow Gold Ring with Diamonds and Emerald
Located in Esch-Sur-Alzette, LU
The emerald has meaning as a precious gem that expresses the magical, thaumaturgical and sapiential essence that is hidden in our heart and in that of all creation. Its esoteric valu...
Category

Early 20th Century French Art Deco Unknown Jewelry

Materials

Diamond, Emerald, 18k Gold, Yellow Gold

18K Yellow Gold Black Star Sapphire Men's Ring
Located in Big Bend, WI
Vintage 18K yellow gold men's ring featuring an oval black star sapphire. The dark brown/black sapphire has a 6 rayed star and measures about 10mm x 8mm. The ring fits a size 9 finge...
Category

Late 20th Century Modern Unknown Jewelry

Materials

Star Sapphire, Black Star, Gold, 18k Gold, Yellow Gold

Coral, Sapphires, Diamonds, Pearl, 14 Kt Rose Gold and Silver Fish Bracelet
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

1950s Italian Retro Vintage Unknown Jewelry

Materials

Coral, Diamond, Pearl, Sapphire, 14k Gold, Rose Gold, Silver

Black Opal Platinum Diamond Pendant 4.13 Carats
Located in North Hollywood, CA
This Black Opal Platinum Diamond Necklace boasts 4.13 Carats. I had a nice matching ring but unfortunately that is long gone but this is still her...
Category

1990s Unknown Modern Unknown Jewelry

Materials

White Diamond, Opal, Platinum

Bakelite Bracelet Bangle Blue Inkspot Marble
Located in Atlanta, GA
This lovely Bakelite bangle features a chunky tube shape with an intense purple-blue color and cloudy creamy custard swirling, also called inkspot color. Measurements: Inside across ...
Category

1940s French Art Deco Vintage Unknown Jewelry

9ct Gold Garnet & Diamond Daisy Cluster Ring Set with Faceted Garnet Petals
Located in Brighton, GB
Antique Garnet Daisy Ring 9ct Gold Stamped Circa 1920’s Makers Mark W N Beautiful, 1920’s daisy ring. Set with gorgeous, faceted garnet petals & tiny little rose cut diamonds, w...
Category

Early 20th Century English Unknown Jewelry

Materials

Diamond, Garnet, Gold, 9k Gold

GIA Certified 13.2 Carat Jadeite Jade Diamond Yellow Gold Dangle Earrings
Located in Stamford, CT
Natural untreated 1950's jadeite jade and diamond earrings. These spectacular mid-century earrings begin with 2 oval cabochon jade gemstones with a total carat weight of 13.20cts. wh...
Category

Mid-20th Century Unknown Jewelry

Materials

Diamond, Jade, Gold, 14k Gold, Yellow Gold

Vintage 18K Cabochon Turquoise European Diamond Navette Cocktail Ring 2.78cttw
Located in Winter Springs, FL
A spectacular ring c. the 1940’s crafted in 18K white gold centered by a marquise cut cabochon of Persian turquoise surrounded by approximately 2.78cttw in H-I color Vs2-Si2 clarity ...
Category

Mid-20th Century Art Deco Unknown Jewelry

Materials

Diamond, Turquoise, 18k Gold, White Gold

Vintage Pop Art Back Painted Lucite Ring - Size 7 3/4 - Unsigned - Late 20th C.
Located in Chatham, CA
Vintage Pop Art back painted Lucite ring - featuring hand painted multi color squares with a purple background - size 7 3/4 (approximate) - unsigned - late 20th century. Excellent v...
Category

Late 20th Century Modern Unknown Jewelry

Antique Circa 1900s Ottoman 8k Gold Natural Rose Cut Diamond Earring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 6.1 grams. Totally is diamond about 0.90 carat. The diamond is has H-I-J color and vs-s1-s2 clarity. Box is not included. Please contact for a...
Category

Early 1900s Turkish Late Victorian Antique Unknown Jewelry

Materials

Diamond, Gold

Antique Edwardian 18K Gold and Platinum Old Marquise Diamond Ruby Cocktail Ring
Located in Great Neck, NY
Beautiful Antique Edwardian 18K Gold and Platinum Old Marquise Diamond Ruby Cocktail Ring. This incredible Edwardian diamond ring is crafted in 18k yellow gold and platinum top. This...
Category

1910s Edwardian Vintage Unknown Jewelry

Materials

Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum

Diamond Owl Ring Vintage 14k Yellow Gold Ruby Eyes Fine Jewelry Sz 7.5
Located in Torrance, CA
Stylish diamond owl ring set with ruby eyes, crafted in 14 karat yellow gold. Diamonds total an estimated 0.08 carats (estimated at H-I color and VS2-I1 clarity). Two rubies measur...
Category

Mid-20th Century Unknown Modern Unknown Jewelry

Materials

Diamond, White Diamond, Ruby, Gold, 14k Gold, Yellow Gold

Antique Edwardian 2.30Ct Sapphire and 1.05ct Diamond 18k Yellow Gold Ring
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive antique 2.30 carat Ceylon sapphire and 1.05 carat diamond, 18 karat yellow gold ring; part of our Edwardian sapphire jewellery collections. This fine and impre...
Category

1910s Vintage Unknown Jewelry

Materials

Diamond, Sapphire, Yellow Gold

Vintage Art Deco Style Lapis Lazuli Diamond Platinum Gemstone Engagement Ring
Located in Santa Barbara, CA
A vibrant, lovely and lustrous Lapis Lazuli gemstone of a pure cobalt blue commands your attention in this non-traditional engagement ring. Encircled by a scalloped platinum halo of ...
Category

1970s Art Deco Vintage Unknown Jewelry

Materials

Diamond, Lapis Lazuli, Platinum

Vintage 1.80ct Diamond Three Stone Ring, c.1950s
Located in London, GB
Three beautiful round brilliant cut diamonds are rub over set with intricate milgrain detail surrounding, in this 1950s trilogy ring. To the centre sits the largest of the three diam...
Category

1950s Unknown Vintage Unknown Jewelry

Materials

Diamond, Platinum

Art Deco bracelet with pearl and turquoise in 14k tricolor gold
Located in Berlin, BE
Indulge in the splendor of this exquisite vintage Art Deco bracelet, a true embodiment of beauty and craftsmanship. Crafted with meticulous attention to detail, this delicate filigre...
Category

Early 1900s French Art Deco Antique Unknown Jewelry

Materials

Pearl, Turquoise, Gold, 14k Gold, Rose Gold, White Gold, Yellow Gold

Late Deco 1.80ct Diamond Solitaire Ring, c.1940s
Located in London, GB
A beautiful 1.80 carat, transitional cut diamond sits central to this stunning Late Deco solitaire ring. The diamond has been certified as I in colour and SI1 in clarity. Flanking th...
Category

1940s Unknown Art Deco Vintage Unknown Jewelry

Materials

Diamond, Platinum

Vintage 5 Carat Diamond Samurai Gold Brooch
Located in Cairo, EG
Vintage lare unuswal 18k gold brooch in samurai figure with estimate brilliant cut diamonds weight 5 carats H color white vs clearity and natural navy blue sapphires and nutural rubies
Category

Mid-20th Century Unknown Jewelry

Antique Garnet Cabochon Gold Brooch
Located in Geneva, CH
Antique Garnet Cabochon Gold Brooch. Early 20th Century. Total length: approx. 6.70 centimeters / 2.64 inches. Total width: approx. 1.25 centimeters / 0.49 inches. Total weight: 12...
Category

Early 20th Century Art Nouveau Unknown Jewelry

Materials

Garnet, Gold

Exceptional Natural Green Tourmaline Ring Diamond Setting 3.42 Carats 14K Gold
Located in Laguna Niguel, CA
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural Green Tourmaline = 2.82 Carat Quality: Exceptional, Clarity: Flawless, Cut: Emerald 38 Diamonds = 0.60...
Category

Late 20th Century Art Deco Unknown Jewelry

Materials

Diamond, White Diamond, Tourmaline, Gold, 14k Gold, White Gold, Yellow Gold

Black Jet Faceted Graduated Bead Necklace West Germany Vintage, Brass Tone Clasp
Located in Milford, DE
Necklace length: 17.5 in. / 45 cm plus 2 in. / 5 cm extension Largest center bead approx. 1 cm Marks / hallmarks: GERMANY Embrace the classic sophistication of our vintage faceted j...
Category

20th Century German Retro Unknown Jewelry

Yellow Gold Opal Heart Bracelet
Located in Palm Desert, CA
14 Karat Yellow Gold Opal Heart Bracelet. This lovely 1980s link bracelet contains twenty-two heart-shaped Opals set in an open bezel. The opal hearts measure 5 x 4.8mm and the brace...
Category

1980s Unknown Contemporary Vintage Unknown Jewelry

Materials

Opal, Gold, 14k Gold, Yellow Gold

Edwardian 0.50ct Diamond and Pearl Necklace, c.1910s
Located in London, GB
This dainty diamond and pearl necklace dates back to the Edwardian period. The bow design centres around a 0.10 carat old cut diamond at the top and a 0.08 carat diamond at the bott...
Category

1910s Unknown Edwardian Vintage Unknown Jewelry

Materials

Diamond, Pearl, 18k Gold, Platinum

Antique Cameo Gold Pearl Set
Located in Geneva, CH
Antique Cameo Gold Pearl Set. Early 20th Century. Original antique box. Pendent: Weight: 31.93 grams. Total length: approx. 8.30 centimeters / 3.27 inches. Total width: approx. 3.80...
Category

Early 20th Century European Baroque Unknown Jewelry

Materials

Pearl, Gold

18K White Gold Blue Diamond & Multi-Colored Sapphire Ring
Located in Laguna Beach, CA
Ladies Blue diamond and multi-colored sapphire ring set in 18k white gold. Stamped 18k and weighs 14 grams. The blue diamonds have a permenant color treatment, .75 total carats. Ther...
Category

Mid-20th Century Unknown Jewelry

Materials

Blue Diamond, Sapphire, 18k Gold, White Gold

14K Rose Gold Hand Wrought Ring with a large 6.05 carat Australian Opal
Located in Big Bend, WI
Vintage 14K rose gold 6.05 carat opal ring. The genuine natural Australian opal measures about 17mm x 12mm. The opal is freshly polished and has primarily pink and green play of colo...
Category

1940s Vintage Unknown Jewelry

Materials

Opal, Gold, 14k Gold, Rose Gold

Antique Circa 1900s 18k Gold Natural Diamond And Ruby Decorated Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 2.7 grams. Totally is main old cut diamond 0.70 ct. The diamond is has H-I color and s1-s2-s3 clarity. Totally is side diamond 0.15 ct. Totall...
Category

Early 1900s European Late Victorian Antique Unknown Jewelry

Materials

Diamond, Ruby, 18k Gold

Vintage Baroque Pearl & Salmon Pink Crystal Earrings 1980s
Located in Wilmslow, GB
A pair of Vintage Baroque Pearl & Salmon Pink Crystal Earrings. A delightful hue of intense salmon pink sparkles from the crystals and a large baroque pearl drop finishing the earrin...
Category

1980s Vintage Unknown Jewelry

Native American Sterling Silver Turquoise Panel Necklace #17131
Located in Washington Depot, CT
Sterling silver and turquoise panel necklace by a Native American artisan. Beautiful necklace featuring lightly hammered panels. The center 3 panels each have sawtooth bezel blue tu...
Category

20th Century Unknown Jewelry

Materials

Turquoise, Sterling Silver

Chic Red Lucite Bead Necklace, Triangle & Round Beads Gold-Filled Clasp, Vintage
Located in Milford, DE
Necklace length: 42 cm / 16.5 inches - Collar / Choker Style Step into a world of classic glamour with this red Lucite necklace. This exquisite piece features a striking combination...
Category

20th Century American Retro Unknown Jewelry

Materials

Gold-filled

French Virgin Mary 18k Yellow Gold Charm Pendant
Located in London, GB
An 18 karat (18K) yellow gold charm pendant depicting the Virgin Mary. Stamped with the eagle’s head for French manufacture and 18 karat gold. Dimensions: 1.8 x 1.2 x 0.1 cm (not in...
Category

20th Century French Unknown Jewelry

Materials

Gold, 18k Gold, Yellow Gold

Vintage Gold Tone Teardrop Design Necklace - Toggle Closure - Unsigned - C. 1980
Located in Chatham, CA
Vintage gold tone teardrop design chain link necklace - toggle closure - unsigned - circa 1980's. Excellent vintage condition - no loss - no damage - no repairs - minor surface scra...
Category

Late 20th Century Modern Unknown Jewelry

Estate Vintage Wide Wedding Band 14k Yellow Gold Cigar Style
Located in Overland Park, KS
Listed is this classic old vintage 14k gold band. The band is approximately 9.3mm wide and tapers slightly at the edges to give a slight domed look. This ring is a size 6.5 and ready...
Category

20th Century Unknown Jewelry

Materials

Gold, 14k Gold, Yellow Gold

Ladies Vintage 14K Yellow Gold Diamond Cuff Bangle Bracelet
Located in Houston, TX
Gender: Ladies Metal Type: 14K Yellow Gold Length: 6.25 inches Width: 7.35 mm Weight: 17.00 grams Ladies custom-made polished 14K yellow gold, diamond vintage cuff, bangle brace...
Category

Late 20th Century Unknown Unknown Jewelry

Materials

Diamond, 14k Gold, Yellow Gold, Gold

Antique Platinum Diamond Wedding Band Ring
Located in Houston, TX
Gender: Ladies Metal Type: 900 Platinum Ring Size: 6 Width: 1.65 mm Weight: 2.93 grams Ladies 900 platinum, diamond antique wedding band with a half-round shank. Engraved with "...
Category

Early 20th Century Unknown Unknown Jewelry

Materials

Diamond, Platinum

Vintage Onyx and 9 Carat Gold Signet Ring
Located in Chipping Campden, GB
The Onyx stone is set within the 9ct gold band. Fully hallmarked Chester 1953. Ring Size: L or 5 3/4 Stone Dimensions: 8.5x6mm Weight: 2.3g
Category

1950s British Vintage Unknown Jewelry

Materials

Onyx, Gold

Retro Diamond Ear Clips 1940S
Located in Geneva, CH
Retro Diamond white gold Ear Clips. Circa 1940. Length: approx. 3.20 centimeters. Width: approx. 2.50 centimeters. Total weight: 21.54 grams.
Category

1940s European Retro Vintage Unknown Jewelry

Materials

Diamond, Gold, White Gold

Mid-20th Century White Gold Bird Brooch with Pavé Diamonds and Ruby Accents
Located in Monte Carlo, MC
This brooch is a beautiful and timeless piece. It is crafted in white gold and measures 5 cm by 7 cm, making it the perfect size for any outfit. Designed to look like a stylized bird...
Category

Mid-20th Century European Art Deco Unknown Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

7.22 Carat Ruby and 1 Carat Diamond 18K Gold Ring
Located in New York, NY
Introducing our magnificent Antique Ruby Ring, a true testament to timeless beauty and vintage elegance. This exceptional piece features a stunning 7.22-carat ruby, complemented by 1...
Category

Early 1900s Antique Unknown Jewelry

Materials

White Diamond, Ruby, Diamond, Gold, 18k Gold

Vintage 1.18 Carat Ruby and 1.38 Carat Diamond White Gold Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive vintage 1.18 carat ruby and 1.38 carat diamond, 18 karat white gold cluster ring; part of our vintage jewelry and estate jewelry collections This stunning, fine and impressive vintage ruby cluster ring...
Category

1970s Unknown Vintage Unknown Jewelry

Materials

Diamond, Ruby, 18k Gold, White Gold

Owl Ring Vintage 14k Yellow Gold Garnet Eyes Estate Fine Jewelry Sz 6.5
Located in Torrance, CA
Stylish owl ring set with garnet set eyes, crafted in 14 karat yellow gold. Two small cabochon cut garnet measure approx. 1mm. The garnets are in very good condition and free of cr...
Category

Mid-20th Century Unknown Modern Unknown Jewelry

Materials

Garnet, Gold, 14k Gold, Yellow Gold

Antique Circa 1900s 14k Gold Top Silver Natural Rose Cut Diamond Ring
Located in Fatih/İstanbul, 34
In very good condition. Total weight 2.4 grams. Dimention is diamond totally 0.25 carat. Clearity is H-I color and s1-s2. Ring size is US 6.2 (We offer free resizing) We can make any...
Category

Early 1900s European Late Victorian Antique Unknown Jewelry

Materials

Diamond, 14k Gold, Silver

Vintage 14K Yellow Gold Aquamarine Ring
Located in Bradenton, FL
Stunning 14K yellow gold with emerald cut Aquamarine cocktail ring, Approximate size 5. Approximately 12 total carats. Total Weight approximately 7 Grams.
Category

20th Century American Modern Unknown Jewelry

Materials

Aquamarine, Yellow Gold

Vintage Men's Solid 18K Yellow Gold With Platinum Wedding Band
Located in Houston, TX
One man's designer made, hand made polished, platinum and 18K yellow gold three-row, wedding, vintage, solitaire band with a half-round shank. The band is a size 11 and measures appr...
Category

Late 20th Century Unknown Jewelry

Materials

Yellow Gold, Platinum, 18k Gold

Antique Circa 1900s 18k Gold Natural Old Cut Diamond Pearl Decorated Brooch
Located in Fatih/İstanbul, 34
In very good condition. Total weight is 8 grams. Totally is diamond 0.75 carat.. The diamond is has G-H color and vvs-vs clarity. Acid tested to be 18k real gold. Please contact for ...
Category

Early 1900s European Victorian Antique Unknown Jewelry

Materials

Diamond, Pearl, 18k Gold

Articulated Dark-golden Metal and Rhinestone Necklace
Located in SAINT-OUEN-SUR-SEINE, FR
Articulated dark-golden metal necklace ornamented with orangey pink rhinestones. Not signed jewelry. Additional information: Condition: Very good condition Dimensions: Length: 41 cm...
Category

1960s Vintage Unknown Jewelry

Natural Turquoise Bracelet
Located in Geneva, CH
Natural Turquoise Bracelet. Elevate your style with our Natural Turquoise Bracelet. Crafted with genuine turquoise stones, it exudes calming energy and timeless elegance. Whether wor...
Category

Late 20th Century Anglo-Indian Unknown Jewelry

Materials

Turquoise

Red Glass Paste Necklace
Located in SAINT-OUEN-SUR-SEINE, FR
Not signed necklace with red glass paste. Additional information: Condition: Very good condition Dimensions: Length: 45 cm Seller Reference: BC84
Category

1960s Vintage Unknown Jewelry

19.97 Carat Aquamarine and Diamond Set Gold Ring
Located in Litchfield, CT
Circa 1950s, 14k, American. This gorgeous fifties ring is set with a 19.97 carat blue finely hued aquamarine framed by ten dazzling white diamonds totaling .40 carats (H color, VS1 clarity). Its sleek sophisticated look, unscored by hand fabrication, brilliantly showcases the exceptional stone. This fabulous American ring is in excellent condition. SIZE: Ring size: 7 WEIGHT: 12.1 grams STONES: 19.97 carat aquamarine...
Category

1950s American Vintage Unknown Jewelry

Materials

Aquamarine, White Diamond, Diamond, 14k Gold, White Gold

14 Karat Yellow Gold Cameo Brooch/Pendant
Located in Washington Depot, CT
14 Karat Yellow Gold Cameo Pendant/Brooch- This lovely cameo brooch features a beautiful lady in profile detailed with a stunning frame of seed pearls. Can be worn as a pendant or ...
Category

20th Century Unknown Jewelry

Materials

14k Gold, Yellow Gold

.70 Carat Diamond White Gold Baguette Ring
Located in Stamford, CT
1950's Diamond baguette wedding band ring. 10 baguette diamonds set in 14k white gold bar style setting. 10 baguette diamonds, I VS2 ap...
Category

Mid-20th Century Unknown Jewelry

Materials

Diamond, Gold, 14k Gold, White Gold

Viintage Rhinestoned Necklace with Rhinestones
Located in SAINT-OUEN-SUR-SEINE, FR
Unknwon - Silvery metal short necklace with rhinestones. Not signed. Additional information: Condition: Very good condition Dimensions: Length: 38 cm Seller Reference: BC77
Category

1960s Vintage Unknown Jewelry

Art Deco brooch with diamonds stunning in 18k rosegold/whitegold
Located in Berlin, BE
Prepare to be enchanted by the timeless elegance of this breathtaking 18k rose and white gold brooch. Adorned with a total of 36 old-cut diamonds, each shimmering with a weight rangi...
Category

1920s French Art Deco Vintage Unknown Jewelry

Materials

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

Art Deco Diamond Brooch 1930S
Located in Geneva, CH
Art Deco Diamond Brooch. Circa 1930. Total length: approx. 4.50 centimeters. Total width: approx. 2.30 centimeters. Total weight: 13.81 grams.
Category

1930s Art Deco Vintage Unknown Jewelry

Materials

Diamond, Gold, Platinum

Antique Ring 0.3ct Diamond solid 18K Gold Silver ØUS 6 / 4gr
Located in SE
This Renaissance-styled ring is about a combination of Gold, Silver, and Diamond of some type of transitional cut that creates a lot of shiny reflections on its triangular facets. Th...
Category

1930s Swedish Art Nouveau Vintage Unknown Jewelry

Materials

Diamond, Pearl, 18k Gold, Silver

Victorian 18ct Gold Albert Chain, c.1900s
Located in London, GB
This rare Albert chain, dates to the 1900s and features gently graduating links of 18 carat yellow gold. Each gold link is individually hallmarked, and ends in a solid gold bar. This...
Category

Early 1900s Unknown Victorian Antique Unknown Jewelry

Materials

Gold, 18k Gold

Vintage Bracelet rigid circa 1930 in 18 Carat Yellow Gold
Located in Paris, FR
Vintage rigid bracelet in 18 kt gold circa 1930, opening with safety chain. Oval bracelet opening in two parts, setting 4 garnets. Eagle head hallmark Dimensions: 5 x 4.5 cm Length:...
Category

1930s French Retro Vintage Unknown Jewelry

Materials

Garnet, 18k Gold, Yellow 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.

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