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Unknown Engagement Rings

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Creator: Unknown
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 Engagement Rings

Materials

Diamond, Sapphire, Platinum

Victorian Double Heart Ruby Sapphire and Diamond Crowned Ring
Located in London, GB
Here we have a fine example of a Victorian double heart ring. In this case, a round ruby and sapphire sit at the centre of an accentuating boarder of rose cut diamonds. A conjoining ...
Category

19th Century Victorian Antique Unknown Engagement Rings

Materials

Diamond, Ruby, Blue Sapphire, Gold, Platinum

Sapphire Designer Ring 18k Yellow Gold White VS Diamonds
Located in Overland Park, KS
This listing is for an 18k yellow gold diamond and sapphire high end designer ring. It has approx .45tcw white VS flush set baguettes tapering in with a blue sapphire center stone. T...
Category

21st Century and Contemporary Modern Unknown Engagement Rings

Materials

Diamond, Blue Sapphire, Gold, 18k Gold, Yellow Gold

18 Karat White Gold and Platinum Princess Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: custom Material: 18K white gold and platinum Center Diamond: 1 princess cut = 0.83ct Color : I Clarity : VS2 AGS: 0009498603 Dimensions: ring top measures 5.5mm Size: 8 com...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, White Gold, 18k Gold, Platinum

Erwin Reu Co. Mid-Century 2.03 CTW Sapphire Diamond 14 Karat Gold Bypass Ring
Located in Philadelphia, PA
Bypass-style ring terminating with a fanning plume and foliate with clustered sapphires and diamonds Sapphires are round cut and weigh approximately 0.82 carat total - prong set One ...
Category

1950s Vintage Unknown Engagement Rings

Materials

Diamond, Sapphire, Gold, 14k Gold, White Gold

14K Gold 2.00ct Diamond Engagement Ring
Located in Miami, FL
Made in luxurious 14K yellow gold, this captivating ring boasts a centerpiece diamond weighing 0.70 carats with G color and SI2 clarity, accentuated by side diamonds totaling 1.30 ca...
Category

2010s European Medieval Unknown Engagement Rings

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Blue Sapphire Ring Two Side Diamonds 3 Carats 18K Gold
Located in Laguna Niguel, CA
It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural Blue Sapphire = 2.59 Carats Diamonds = 0.41 Carats Metal: 18K White Gold Ring Size: 7* US *It can be r...
Category

21st Century and Contemporary Contemporary Unknown Engagement Rings

Materials

Blue Sapphire, Sapphire, White Diamond, Diamond, White Gold, 18k Gold, Gold

14k Yellow Gold Round Brilliant Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: custom Material: 14K yellow gold Diamond: 1 round brilliant cut = 1.13ct Color: E Clarity: VVS1 Diamond: 26 round brilliant = 0.26cttw Color: G Clarity: SI1 Ring Size: 6.5 ...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

Platinum Round Brilliant Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: custom design Material: platinum Center Diamond: 1 round brilliant cut = 1.27ct Color : G Clarity : SI1 Diamond: 36 round and princess cut = 0.72cttw Color : G / H Clarity ...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, Platinum

Art Deco Vintage 0.52 CTW European Diamond 18 Karat White Gold Engagement Ring
Located in Philadelphia, PA
Centering an old European cut diamond weighing approximately 0.40 carat total - G color with VS2 clarity Set with tri-split prongs in a square form basket with a pierced foliate moti...
Category

1930s Art Deco Vintage Unknown Engagement Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Victorian Turquoise Diamond 14 Karat Yellow Gold Antique Halo Ring
Located in Philadelphia, PA
Centering an oval-shaped turquoise cabochon measuring 5.0 x 7.0 mm Opaque and saturated robin's egg blue in color - bead set With a halo surround of old European cut diamonds Weighin...
Category

1860s Victorian Antique Unknown Engagement Rings

Materials

Diamond, Turquoise, Gold, 14k Gold, Yellow Gold

18k Baguette and Marquise Cut Diamond Navette Ring
Located in New York, NY
Crafted from luxurious 18k white gold, this stunning ring boasts a 6.25 size. Adorned with a sparkling 0.48 carat Marquise Cut diamond center and 0.95 carats of diamond accents, this...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 18k Gold, White Gold

14 Karat Yellow & White Gold Round Brilliant Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: custom Material: 14K yellow & white gold Diamond: 1 round brilliant cut = 1.02ct Color: I Clarity: I2 Dimensions: ring top measures 6.31mm wide Ring Size: 7 (complimentary...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

Yellow Gold Diamond Cluster Ring - 14k Round Brilliant .50ctw Floral Engagement
Located in Greensboro, NC
Size: 6 1/4 Sizing Fee: Up 3 sizes for $30 or Down 3 sizes for $30 Metal Content: 14k Yellow Gold & 14k White Gold Stone Information Natural Diamonds Carat(s): .50ctw Cut: Round B...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

1990's 2.71 CTW Asscher Cut Sapphire Diamond 18 Karat White Gold Ring GIA
Located in Philadelphia, PA
Centering an asscher cut sapphire weighing 1.95 carats total - transparent dark blue in color Natural Thai in origin - set with split prongs in basket and flanked by stepped shoulde...
Category

1990s Contemporary Unknown Engagement Rings

Materials

Sapphire, Gold, 18k Gold, White Gold

Vintage 1998 Opal Diamond 18 Karat Gold Scrolling Three Stone Ring
Located in Philadelphia, PA
Featuring three oval shaped opal cabochons prong set east to west Graduated and ranging in size from 5.0 x 7.0 mm to 6.0 x 9.0 mm Translucent white in body color with strong blue a...
Category

1990s Victorian Unknown Engagement Rings

Materials

Diamond, Opal, Gold, 18k Gold, Yellow Gold

Antique Art Deco Platinum Old European Diamond Filigree Shield Ring
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Old European Diamond Filigree Shield Ring. This incredible art deco diamond shield ring is crafted in ...
Category

1920s Art Deco Vintage Unknown Engagement Rings

Materials

Diamond, Platinum

Diamonds ring in 18k white gold
Located in PARIS, FR
Stones: Cushion diamond: 0.83 ct I/SI2, 4 baguette diamonds: 0.20 ct and 8 diamonds: 0.30 ct Material: 18k white gold Dimensions: 1.3 x 1.1cm Weight: 3.8g Period: Recent vintage styl...
Category

Early 2000s Unknown Engagement Rings

Materials

Diamond, White Gold

14 Karat White Gold Round Brilliant Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: custom design Material: 14K white gold Center Diamond: 1 round brilliant cut = 1.50ct Color : H Clarity : SI2 GIA: 2176300643 Diamond: 48 round brilliant cut = 0.80cttw Col...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Late Victorian 1.70ct Diamond and Pearl Two Stone Twist Ring, c.1900s
Located in London, GB
Dating back to the 19o0s, this twist ring features a stunning natural saltwater pearl along side a glorious diamond. The old cut diamond weighs 1.70 carat and has been graded of G in...
Category

Early 1900s Unknown Victorian Antique Unknown Engagement Rings

Materials

Diamond, Pearl, 18k Gold, Platinum

GIA Certified Natural Fancy Pink Diamond Engagement Ring 0.90 Carats 18K
Located in Laguna Niguel, CA
Main Diamond is GIA Certified The original laboratory certificate is included Report # 2215955804 Main Diamond Carat Weight is 0.35 Carat Main Diamond Color Grade is Fancy Pink-Brow...
Category

21st Century and Contemporary Contemporary Unknown Engagement Rings

Materials

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

18K Gold Cushion Cut 15ct Lavender Blue Tanzanite Diamond Engagement Ring
Located in Fukuoka City, Fukuoka
15ct Lavender Blue Tanzanite Cushion Cut Diamond Engagement Ring in 18k Gold Material: Solid 18kt Gold Tanzanite Weight: 15 CT Diamond Carat Total: 2 CT Diamond Shape: Round Mixed T...
Category

2010s Unknown Engagement Rings

Materials

Diamond, Tanzanite, 18k Gold

1.02 cts SI2 / G diamond ring in platinum
Located in PARIS, FR
Stones: Old cut diamond of 1.02 cts SI2 / G and diamonds: 0.35 ct Material: Platinum Weight: 5.2g. Period: Recent handmade art deco style Size: 53 (free sizing) Certificate Ref. : 24...
Category

Early 2000s Art Deco Unknown Engagement Rings

Materials

Diamond, Platinum

Early Art Deco 0.75 CTW Old Mine Cut Diamond 14 Karat Two-Tone Gold Bypass Ring
Located in Philadelphia, PA
Centering an old mine cut diamond weighing approximately 0.55 carat O-P color with SI1 clarity - set in grooved white gold bezel Flanked bypass-style shoulders with single cut diamo...
Category

1920s Vintage Unknown Engagement Rings

Materials

Gold, 14k Gold, White Gold, Yellow Gold

Mid-Century 0.94 CTW Diamond Platinum Seven Stone Vintage Engagement Ring
Located in Philadelphia, PA
Centering an old European cut diamond weighing approximately 0.70 carat I color with VS2 clarity - prong set in pierced geometric basket Flanked by cathedral shoulders bezel set wit...
Category

1950s Vintage Unknown Engagement Rings

Materials

Diamond, Platinum

18k White and Yellow Diamond Ring
Located in New York, NY
Enhance your luxurious style with our 18k White and Yellow Diamond Ring. With a stunning 0.78 carat yellow diamond in the center and 1.63...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, Yellow Diamond, 18k Gold, White Gold

1980s Opal Diamond 18 Karat Yellow White Gold Triangular Vintage Halo Ring
Located in Philadelphia, PA
Centering a triangle-shaped opal cabochon measuring 8.0 x 8.0 mm Translucent white in body color with spectral play-of-color Prong set in white gold head with halo surround Compris...
Category

1980s Vintage Unknown Engagement Rings

Materials

Diamond, Opal, Gold, White Gold

IGI Certified Round Diamond Engagement Ring Set 1.69 Carats 18K White Gold
Located in Laguna Niguel, CA
Main Diamond is IGI Certified The original laboratory certificate is included Report # 539239377 Main Diamond Carat Weight is 1.00 Carat Main Diamond Color Grade is G Main Diamond C...
Category

21st Century and Contemporary Contemporary Unknown Engagement Rings

Materials

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

18k Diamond and Ruby Ring
Located in New York, NY
Indulge in luxury with our 18k Diamond and Ruby Ring. Crafted from white gold, this exquisite piece features 1.12 carats of diamonds and a 5.49 carats ruby center. In excellent condi...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

GIA Certified 2.23 Carat Round Brilliant Diamond Engagement Ring 14 Karat
Located in Boca Raton, FL
GIA Certified 14 Karat Yellow Gold 2.23 Carat Round Brilliant Diamond Engagement Ring This diamond has been certified by the Gemological Institute of America. Product: Round Brilli...
Category

21st Century and Contemporary American Modern Unknown Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Oval Diamond Ring Set in 18K White Gold 2 cts Size 5 3/4
Located in Dallas, TX
Oval Diamond Ring Set in 18K White Gold 2 cts Size 5 3/4 - Four Prong 2.00 cts Diamond Ring - Oval shaped diamond weighing 2.00 cts. Color grade -D. Clarity Grade SI2. Set in 18K Whi...
Category

21st Century and Contemporary American Unknown Engagement Rings

Materials

Diamond, White Gold

Antique Art Deco Platinum Old European Diamond and Emerald Engagement Ring
Located in Great Neck, NY
Beautiful Antique Art Deco Platinum Old European Diamond and Emerald Engagement Ring. This incredible engagement ring is crafted in platinum. The center holds a beautiful old Europea...
Category

1920s Art Deco Vintage Unknown Engagement Rings

Materials

Diamond, Platinum

14k White Gold GIA Certified 1.71ct Cushion Cut Natural Diamond
Located in Boca Raton, FL
Center Details: 1.71ct Cushion Cut Natural Diamond that is E in color and VVS1 in clarity GIA Report #2286250626 7.23 x 6.31 x 4.32 mm Polish: Excellent Symmetry: Excellent Fluoresce...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, White Gold

14 Karat White Gold Princess Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: Custom Material: 14K white gold Diamond: 1 princess cut = 0.25ct Color: I Clarity: I1 Diamond: 48 round brilliant cut = 0.36cttw Color: G / H Clarity: SI1 Dimensions: rin...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Retro Old European Cut Diamond 14 Karat Two-Tone Gold Vintage Engagement Ring
Located in Philadelphia, PA
Centering an old European cut diamond weighing approximately 0.42 carat - H color with VS2 clarity Bead set in a white gold square form head with a pierced profile Flanked by cathed...
Category

1940s Retro Vintage Unknown Engagement Rings

Materials

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

18k White Gold Baguette-Cut Cts 0.65 and Round Cts 0.53 Diamond Engagement Ring
Located in Hong Kong, HK
Celebrate your relationship with this gorgeous engagement ring made of 18k white gold, set with a gorgeous combination of round and baguette-cut diamonds. Featuring 33 round diamo...
Category

2010s Hong Kong Contemporary Unknown Engagement Rings

Materials

Diamond, 18k Gold, White Gold

1.00 Carat Diamond Engagement Ring in 14K Gold
Located in Miami, FL
Elegance in a gem, this 14K white gold masterpiece features a dazzling 1.00-carat princess cut diamond, set in prongs for a stunning display. Impeccably clean and clarity enhanced, i...
Category

21st Century and Contemporary European Contemporary Unknown Engagement Rings

Materials

Diamond, 14k Gold

GIA Certified 0.86 Carat Brazilian Alexandrite and Diamond Ring set in Platinum
Located in Tokyo, JP
A gorgeous ring featuring GIA Certified 0.86 Carat, Nature Brazilian Alexandrite and 0.50 Carats of Diamond Accents set in Platinum. Alexandrites produce a natural color-change pheno...
Category

21st Century and Contemporary Japanese Modern Unknown Engagement Rings

Materials

Alexandrite, Diamond, Platinum

Platinum Vintage Round Brilliant Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: custom Material: platinum Diamond: 1 round brilliant cut = 0.37ct Color: H Clarity: VS2 Diamond: 6 round single cut = 0.10cttw Color: H Clarity: VS2-SI1 Dimensions: ring to...
Category

20th Century Unknown Engagement Rings

Materials

Diamond, Platinum

GIA Certified 1.10 Carat Natural Unheated Ruby Ring Set with Diamonds
Located in Laguna Niguel, CA
It comes with the GIA Certificate Condition: Excellent Natural Unheated Ruby = 1.10 Carat (Cut: Oval, Color: Red) Diamonds = 0.45 Carats (Color: F-G, Clarity: VVS-VS) Metal: 14K Rose...
Category

2010s Contemporary Unknown Engagement Rings

Materials

Ruby, White Diamond, Diamond, Rose Gold, 14k Gold, Gold

Victorian Gem Set Horseshoe and Riding Crop Ring
Located in London, GB
Here we have a 15ct yellow gold ring that originally dates back to the Victorian era. Th head of this piece has been crafted into the shape of a horseshoe and riding crop with neatly...
Category

19th Century Victorian Antique Unknown Engagement Rings

Materials

Pearl, Pink Sapphire, Gold, Yellow Gold

AGL certified Emerald cut Aquamarine approx. 30 carats set in yellow gold ring
Located in Surfside, FL
AGL certified Emerald cut Aquamarine approx. 30 carats set in 18K withe and yellow gold ring with 6 old mine cut diamonds. Aquamarine measurements: 21.876 x 16.52 x 11.75 mm. No clar...
Category

20th Century Unknown Engagement Rings

Materials

Yellow Gold

14 Karat Yellow Gold Round Brilliant Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: Custom Material: 14K yellow gold Diamond: 1 round brilliant cut = 1.06ct Color: G Clarity: VS1 GIA: 2235059617 Dimensions: ring top measures 1.8mm wide Ring Size: 6.5 (comp...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 14k Gold, Yellow Gold

Wide seven rows Round brilliant cut diamond ring in white gold
Located in Surfside, FL
Wide seven rows diamonds ring in 18K white gold. Round brilliant cut diamond total approx. weight: 2.00 carats, estimate: G-H color, VS-SI clarity. Size 7.5This Diamond ring is curre...
Category

20th Century Unknown Engagement Rings

Materials

White Gold

Platinum Vintage Art Deco Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: Custom Material: platinum Diamond: 1 round brilliant cut = 0.82ct Color: H Clarity: SI2 Diamond: 6 round single cut = 0.12cttw Color: H Clarity: SI1-2 Dimensions: ring top ...
Category

20th Century Unknown Engagement Rings

Materials

Diamond, Platinum

GIA Certified 1.10 Carat Natural Unheated Ruby Ring Set with Diamonds
Located in Laguna Niguel, CA
It comes with the GIA Certificate Condition: Excellent Natural Unheated Ruby = 1.10 Carat (Cut: Oval, Color: Red) Diamonds = 0.45 Carats (Color: F-G, Clarity: VVS-VS) Metal: 14K Rose...
Category

2010s Contemporary Unknown Engagement Rings

Materials

Ruby, White Diamond, Diamond, Rose Gold, 14k Gold, Gold

18 Karat White Gold Round Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: Custom Material: 18K white gold Diamond: 1 round cut = 1.16ct Color: J Clarity: SI3 Diamond: 2 round cut = 0.50cttw Color: Irradiated Blue Clarity: SI2 Dimensions: ring top...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, Blue Diamond, 18k Gold, White Gold

Vintage Diamond And Platinum Ring, 0.81 Carats F VS2, Circa 1950
Located in London, GB
A vintage diamond ring, set with a 0.81ct baguette-cut diamond, accompanied by GCS certificate 5783-622, stating that the colour is F and the clarity is VS2. The centre stone is flan...
Category

1950s American Retro Vintage Unknown Engagement Rings

Materials

Diamond, Platinum

Ladies 14K White Gold Pear Shaped Halo Diamond Semi Mount Engagement Ring
Located in Houston, TX
Gender: Ladies Metal Type: 14K White Gold Size: 5 Shank Maximum Width: 3.05mm Head measurement: 14.10mm x 10.00mm Weight: 4.30 grams Ladies 14K white gold diamond engagement ha...
Category

21st Century and Contemporary Unknown Unknown Engagement Rings

Materials

Diamond, White Gold

GIA Certified Platinum Round Brilliant Cut Diamond Ring 1.32ct K/SI2
Located in London, GB
A striking platinum diamond engagement ring. The solitaire is set to the centre in a modern six prong mount with a round brilliant cut diamond weighing 1.32ct, K colour and SI2 clari...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, Platinum

Cushion cut blue Sapphire & diamonds ring set in white gold
Located in Surfside, FL
Cushion cut blue Sapphire & diamonds ring set in 18K white gold. Brilliant cushion cut sapphire: 5.47 carats, with 2 trapezoid cut diamonds, total approx. weight: 0.63 carat, estimat...
Category

20th Century Unknown Engagement Rings

Materials

White Gold

Victorian 1.84 CTW Sapphire Diamond 18 Karat Gold Silver Antique Cluster Ring
Located in Philadelphia, PA
Centering an elongated cushion cut sapphire prong set in a navette-shaped surround Weighing approximately 0.62 carat total - transparent medium blue With a clustered surround of rose...
Category

1840s Victorian Antique Unknown Engagement Rings

Materials

Diamond, Blue Sapphire, Gold, 18k Gold, Rose Gold, Silver

GIA Certified Platinum Cushion Cut Diamond Ring 0.91ct I/VS2
Located in London, GB
A stunning platinum diamond engagement ring. The ring comprises of an cushion cut diamond in a four claw setting with a weight of 0.91ct, I in colour and VS2 clarity. The ring is cur...
Category

21st Century and Contemporary British Unknown Engagement Rings

Materials

Diamond, Platinum

Art Deco 0.92 CTW Diamond Platinum Lotus Vintage Engagement Ring
Located in Philadelphia, PA
Centering an old European cut diamond weighing approximately 0.82 carats - K color with VS2 clarity Bead set in a square form head with milgrain surround and engraved profile Flanke...
Category

1930s Art Deco Vintage Unknown Engagement Rings

Materials

Diamond, Platinum

1980s 1.65 CTW Tsavorite Garnet Diamond 18 Karat Two-Tone Gold Bypass Ring
Located in Philadelphia, PA
Centering a cushion cut tsavorite garnet weighing approximately 1.40 carats Transparent bright green in color - prong set in basket Flanked by swirling bypass style shoulders Groov...
Category

1980s Vintage Unknown Engagement Rings

Materials

Diamond, Garnet, Tsavorite, Gold, 18k Gold, White Gold, Yellow Gold

1.20 carat 18K gold engagement ring
Located in PARIS, FR
18K white gold baguette and round brilliant cut diamonds. 1.20 carat total. Estimated diamonds characteristics : Color F, Purity VVS, fluorescence none to faint. French creation fr...
Category

Early 2000s French Unknown Engagement Rings

Materials

Diamond, 18k Gold, White Gold

18 Karat Yellow Gold Black Round Brilliant Cut Diamond Engagement Ring
Located in Scottsdale, AZ
Designer: custom Material: 18K yellow gold Diamond: 1 round brilliant cut = 1.25ct Color: Black Clarity: SI2 Diamond: 68 round brilliant cut = 0.50cttw Color: I / J Clarity: SI1-2 Di...
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold

A Mid-20th Century Diamond Cross Over Ring
Located in London, GB
A Mid-20th century diamond cross over ring, the two round brilliant-cut diamonds weighing 0.52 carats and 0.56 carats, assessed to be of G colour SI2 clarity, set at a cross over des...
Category

20th Century English Modern Unknown Engagement Rings

Materials

Platinum

Unknown engagement rings for sale on 1stDibs.

Find a range of Unknown engagement rings 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 engagement rings, from our inventory of 12,827, can add a particularly distinctive touch to your look. We have 14,211 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 20th century. Prices for Unknown engagement rings can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $146 and tops out at $2,200,000, while pieces like these, on average, can sell for $5,000.

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