Harbor Diamonds Three-Stone Rings
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Creator: Harbor Diamonds
GIA Certified Cushion 10.19 CTS Y-Z VS2 Trapezoid Three Stone Ring Platinum 18K
By Harbor Diamonds
Located in New York, NY
GIA Certified Cushion diamond weighing 10.19 Carats Y to Z Range VS2 flanked with two Trapezoids weighing 0.94 Carats, D VS, in Platinum & 18 Karat Yellow Gold.
More Colored Diamo...
Category
2010s Contemporary Harbor Diamonds Three-Stone Rings
Materials
Yellow Diamond, 18k Gold, Yellow Gold, Platinum
GIA Certified Sri Lanka Sapphire Diamond Three Stone Ring 7.10 Carats Plat
By Harbor Diamonds
Located in New York, NY
GIA Certified Sri Lanka cushion Sapphire weighing 6 Carats flanked with two Cadillac diamonds weighing 1.10 carats crafted in Platinum & 18 Karat yellow gold.
Category
2010s Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Sapphire, 18k Gold, Yellow Gold, Platinum
GIA Certified Fancy Brownish Yellow Cushion VVS1 Kite Diamond 6.34 CTTW Platinum
By Harbor Diamonds
Located in New York, NY
Three stone ring featuring one GIA Certified Fancy Brownish Yellow Cushion, 5.67 Carats, VVS1 Clarity flanked with two Kite diamonds weighing 0.67 Carats, in Platinum & 18 Karat Yell...
Category
2010s Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, 18k Gold, Yellow Gold, Platinum
Art Deco Three Stone Filigree Ring 1.20 Carats Platinum 4.2 Grams
By Harbor Diamonds
Located in New York, NY
Art Deco ring featuring three diamonds in the center and shattered diamonds throughout the mounting in a miligrain design mounting, in Platinum.
Category
1920s American Art Deco Vintage Harbor Diamonds Three-Stone Rings
Materials
Diamond, Platinum
Art Deco Three Stone Diamond Filigree Ring 1 Carat 14 Karat White Gold 5.1 Grams
By Harbor Diamonds
Located in New York, NY
Art Deco three stone ring featuring three round diamonds weighing approixately 1 carat surrounded by a filigree mounting design. Two trilliant sapphires...
Category
1930s American Art Deco Vintage Harbor Diamonds Three-Stone Rings
Materials
Diamond, 14k Gold, White Gold
Radiant Fancy Yellow Cocktail Ring 7.46 Carats GIA
By Harbor Diamonds
Located in New York, NY
7.46 cts Fancy Light Yellow 11.24x10.67x6.67 mm SI Gia
2 natural stones 0.75 cttw D VS epaulette
Platinum/18K
Category
21st Century and Contemporary Contemporary Harbor Diamonds Three-Stone Rings
Materials
Yellow Diamond, 18k Gold, Platinum
Three-Stone South Sea Pearl Diamond Ring 0.12 Carat 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
18K White gold three stone ring featuring one South Sea Pearl center measuring 14-15 MM flanked with 26 round diamonds weighing 0.12 carats.
Measurements:
South Sea Pearl: 14-15 MM...
Category
2010s American Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, South Sea Pearl, White Gold
Oval Sapphire Three Stone Diamond Ring 3.53 CTTW 18 Karat White Gold
By Harbor Diamonds
Located in New York, NY
Three stone ring featuring one Oval cut blue Sapphire weighing 2.99 Carats flanked with two ? weighing 0.54 carats, in 18 Karat White Gold.
Ring measures 13.9 MM Wide
Call/Message ...
Category
2010s Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Blue Sapphire, Sapphire, 18k Gold, White Gold
GIA Certified Pink Sapphire 3 Stone Diamond Ring 2.16 Carats Platinum No Heat
By Harbor Diamonds
Located in New York, NY
Platinum three stone ring featuring one GIA Certified Emerald Cut Pink-Purple Sapphire No Heat flanked with two Trap diamonds weighing 0.45 Carats. Color H
Clarity VS1
Category
2010s Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Pink Sapphire, Platinum
GIA Certified No Heat Ruby Diamond Three-Stone Ring Platinum 2.42 Carat
By Harbor Diamonds
Located in New York, NY
GIA Certified three stone ring featuring one oval shape red Ruby weighing 2.01 carats flanked with two bullets weighing 0.41 carats, cra...
Category
2010s American Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Ruby, Platinum
GRS Certified Oval Pigeon Blood Ruby Diamond Ring
By Harbor Diamonds
Located in New York, NY
GRS Certified ring featuring one oval shape natural Ruby weighing 2.57 carats flanked with two diamond ovals and numerous round brilliants.
Ruby:
D...
Category
2010s Mozambican Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Ruby
GRS Certified Natural Ruby 4.04 Carat No Heat Vivid Red
By Harbor Diamonds
Located in New York, NY
Lively Octagonal shape Natural Ruby weighing 4.04 carats with No Heat.
Color: Vivid Red
Dimensions: 11.12 x 7.69 x 3.76 mm
Please email for more rubies.
Category
2010s Mozambican Contemporary Harbor Diamonds Three-Stone Rings
Materials
Ruby
Mozambique Natural Ruby Pigeon Blood 5.38 Carat
By Harbor Diamonds
Located in New York, NY
Gorgeous Natural Ruby with vivid red Pigeon Blood color weighing 5.38 carats.
No Heat
Shape: Octagonal
Dimensions: 11.5 x 8.20 x 5.62 mm
Category
2010s Mozambican Contemporary Harbor Diamonds Three-Stone Rings
Materials
Ruby
Emerald Cut Cushion Ruby Diamond Gold Ring 1.28 Carat
By Harbor Diamonds
Located in New York, NY
The emerald cut / cushion ruby in this ring has a total carat weight of 0.98 carats. The diamonds have a total carat weight of 0.30 carats.
All our Gemstones are genuine, and are s...
Category
21st Century and Contemporary American Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Ruby, 14k Gold
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A gorgeous diamond three stone ring modelled in 18carat gold. The central diamond measures 25pts and the stones either side measure 15pts each.
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Alexander GIA 3.05ct Cushion Cut Diamond I VS1 Three Stone Ring 18k White Gold
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Stunning diamond three-stone engagement ring with halo, GIA certified. High jewelry by Alexander Beverly Hills.
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AGL Certified Colombian Emerald & Diamond Three Stone Ring Platinum & 18K
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Ring contains one AGL certified Colombian green emerald, 1.70ct and two side half-moon cut diamonds, 0.70tcw.
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Art Deco Diamond and 18 Carat Gold Three-Stone Band
Located in Chipping Campden, GB
Sitting at the centre of this simple gold band are three diamonds totalling 35pts. The diamonds are old mine cut and have a wonderful bright sparkle. ...
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GIA Certified Emerald Sapphire & Diamond Three Stone Ring in Platinum
Located in New York, NY
Ring contains one center GIA certified emerald shape sapphire weighing 3.76ct. Center stone is accented by two side trapezoid shape diamonds weighing a total of 1.50cts. Sapphire an...
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European Cut Diamond Sapphire Art Deco Filigree Gold Three-Stone Ring
Located in Stamford, CT
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Art Deco Emerald Diamond Platinum Three-Stone Ring
Located in Beverly Hills, CA
Classic Art Deco ring. Elegant, timeless and feminine, the ring is a great addition to your jewelry collection. It can also make a beautiful non-traditional engagement ring.
Made of ...
Category
Early 20th Century Unknown Art Deco Harbor Diamonds Three-Stone Rings
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Art Deco Diamond, 18 Carat Gold and Platinum Three-Stone Panel Ring
Located in Chipping Campden, GB
In classic Art Deco style this three stone diamond ring is made up of squares and panels of platinum. The diamonds total approx 20pts and are set upon an open work gallery.
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Ladies Antique Art Deco Platinum Filigree Three Stone Diamond Engagement Ring
Located in Houston, TX
Gender: Ladies
Metal Type: Platinum
Size: 6.25
Shank Maximum Width: 0.80 mm tapering to 7.33 mm
Weight: 4.40 grams
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Vintage Art Deco 5 Stone Diamond Ring Platinum Filigree Band Fine Jewelry
Located in Torrance, CA
Finely detailed vintage Art Deco 5 stone diamond ring (circa 1920s to 1930s) crafted in platinum.
Five old mine cut diamonds are estimated at 0.15 carats each and total an estimate...
Category
Early 20th Century Unknown Art Deco Harbor Diamonds Three-Stone Rings
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Art Deco Three Stone Diamond Filigree Ring in Platinum
Located in Boston, MA
An Art Deco period three stone diamond ring crafted in platinum.
Centered by a trio of bezel set old European cut diamonds of 1.05ctw with H color and VS clarity.
Accented throughout by a further 0.60 carats of pave set old European cut...
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Alexander GIA Certified 10.24ct Ruby with Diamond Three Stone Halo Ring 18k
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Stunning diamond and diamond three stone ring with halo. High jewelry by Alexander Beverly Hills.
12.33 carats total gemstone weight.
10.24 carat oval ruby, GIA certified heat. 2 as...
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Previously Available Items
Art Deco Three Stone Diamond Ring 1.44 Carats 18 Karat White Gold 3.6 Grams
By Harbor Diamonds
Located in New York, NY
Art Deco three stone diamond ring weighing approxiately 1.44 carats with a filigree and leaf motif on the mounting.
Category
1930s American Art Deco Vintage Harbor Diamonds Three-Stone Rings
Materials
Diamond, White Gold
All GIA Certified No Heat Radiant Cut Diamond Ring 3.19 Carat E-F VS1 Platinum
By Harbor Diamonds
Located in New York, NY
All GIA Certified three stone ring featuring one Radiant cut Sapphire weighing 2.14 carats, No Heat, flanked with two Radiant cut diamon...
Category
2010s American Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Blue Sapphire, Platinum
All GIA Certified No Heat Sapphire Diamond Ring 2.45 Carat D-E VS1 Platinum
By Harbor Diamonds
Located in New York, NY
All GIA Certified three stone ring featuring one center Radiant cut Sapphire weighing 1.85 carats flanked with two Emerald cut diamonds ...
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2010s American Contemporary Harbor Diamonds Three-Stone Rings
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Diamond, Sapphire, Platinum
All GIA Certified Sapphire No Heat Diamond Three-Stone Ring D VVS2 Platinum
By Harbor Diamonds
Located in New York, NY
One of a kind Platinum three stone ring featuring one Oval cut Sapphire, GIA Certified No Heat, weighing 3.39 carats flanked with two GIA Certified oval cut diamonds D, VVS2 clarity....
Category
2010s American Contemporary Harbor Diamonds Three-Stone Rings
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Diamond, Sapphire, Platinum
Oval Emerald and Diamond Accented Three-Stone Gold Band Ring
By Harbor Diamonds
Located in New York, NY
14K white gold ring featuring 3 emeralds stones each one measuring 6x4 mm for a total carat weight of 1.15 cts.
The Diamonds total weight is 0.76 cts.
All our Gemstones are genuine, ...
Category
21st Century and Contemporary American Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Emerald, 14k Gold
Three Stone Ruby Diamond Gold Band Ring
By Harbor Diamonds
Located in New York, NY
14k White Gold Round Shape Ruby Diamond Band Ring
Material: 14k White Gold
Gemstone Details: 3 Round Shape Ruby approximately 0.45 ct.Total Weight 3 mm each
Diamond Details: Approxi...
Category
21st Century and Contemporary American Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Ruby, 14k Gold
Oval Emerald Tree Stone Ring and Diamond Accent 14 Karat Yellow Gold Band
By Harbor Diamonds
Located in New York, NY
14 K Yellow Gold with Three Stone Emeralds each one measuring 5x3 mm
for a total weight of 0.63 cts.
The Diamonds weight is 0.05 cts.
Category
21st Century and Contemporary American Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Emerald, 14k Gold
Oval Emerald and Diamond Accented Three Stone Gold Band Ring
By Harbor Diamonds
Located in New York, NY
14K white gold ring featuring 3 emeralds stones each one measuring 6x4 mm for a total carat weight of 1.15 cts.
The Diamonds total weight is 0.76 cts.
All our Gemstones are genuine, ...
Category
21st Century and Contemporary Harbor Diamonds Three-Stone Rings
Materials
Diamond, Emerald, 14k Gold
Harbor Diamonds three-stone rings for sale on 1stDibs.
Find a range of Harbor Diamonds three-stone rings available on 1stDibs. Each of these unique items was designed with extraordinary care, often using platinum. While looking for the most stylish antique or vintage Harbor Diamonds jewelry to pair with your ensemble, you’ll find that Harbor Diamonds diamond three-stone rings, from our inventory of 15, can add a particularly distinctive touch to your look. We have 5 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. If you’re looking for additional options, many customers also consider three-stone rings by Leon Mege, Andreoli, and Faye Kim. Prices for Harbor Diamonds three-stone rings can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $1,599 and tops out at $234,754, while pieces like these, on average, can sell for $10,781.