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2 Ct Trilogy Diamond Ring

Victorian 1.30 Ct Nat Sapphire 1.20 Ct Diamond Rare Trilogy Ring
Victorian 1.30 Ct Nat Sapphire 1.20 Ct Diamond Rare Trilogy Ring

Victorian 1.30 Ct Nat Sapphire 1.20 Ct Diamond Rare Trilogy Ring

Located in Napoli, IT

(unheated) blue sapphire of approx 1.30 Ct (6.9 x 6.0 mm.) – 2 old European cut diamonds totalling approx

Category

Antique 1880s European Victorian Engagement Rings

Materials

Diamond, Sapphire, 18k Gold

Art Deco .80 Ct  Diamond .90 Ct Sapphire Trilogy Ring
Art Deco .80 Ct  Diamond .90 Ct Sapphire Trilogy Ring

Art Deco .80 Ct Diamond .90 Ct Sapphire Trilogy Ring

Located in Napoli, IT

sapphire of approx .90 Ct (5.50 mm. x 5.23 mm.) – 2 old mine cut diamonds totaling approx .80 Ct (H/I-VS/SI

Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold

Certified 6.81 Ct Colombian Emerald 1.60 Ct Diamond Trilogy ring
Certified 6.81 Ct Colombian Emerald 1.60 Ct Diamond Trilogy ring

Certified 6.81 Ct Colombian Emerald 1.60 Ct Diamond Trilogy ring

Located in Napoli, IT

Diamonds making the most beautiful, always wearable trilogy ring Diamonds are 1.60 Ct for both – G/H VVS

Category

21st Century and Contemporary Italian Art Deco Three-Stone Rings

Materials

Diamond, Emerald, 18k Gold

Victorian 6.00 Ct Pink Tourmaline Diamond Trilogy Ring
Victorian 6.00 Ct Pink Tourmaline Diamond Trilogy Ring

Victorian 6.00 Ct Pink Tourmaline Diamond Trilogy Ring

Located in Napoli, IT

(13.5 x 9.8 mm.) – 2 old mine cut diamonds totalling approx.40 Ct (H/I -VVS/VS) UK size: N 3/4 US size

Category

Antique Late 19th Century European Late Victorian Three-Stone Rings

Materials

Diamond, Tourmaline, 18k Gold, Silver

Victorian .98 Ct Ruby Diamond 18 Kt Trilogy Ring
Victorian .98 Ct Ruby Diamond 18 Kt Trilogy Ring

Victorian .98 Ct Ruby Diamond 18 Kt Trilogy Ring

Located in Napoli, IT

inclusions – .98 Ct round cut (5.9 mm. in diameter) Flanked by two old European cut Diamonds both making .50

Category

Antique Late 19th Century British Victorian Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold

Victorian 4.45 Ct Natural No Heat Ceylon Sapphire 1.15 Ct Diamond Trilogy Ring
Victorian 4.45 Ct Natural No Heat Ceylon Sapphire 1.15 Ct Diamond Trilogy Ring

Victorian 4.45 Ct Natural No Heat Ceylon Sapphire 1.15 Ct Diamond Trilogy Ring

Located in Napoli, IT

9.05 mm.) – 2 old mine cut diamonds totaling 1.15 Ct (weighted) (H/I-VVS/VS) UK size: N 1/4 US size

Category

21st Century and Contemporary Italian Victorian Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold, Silver

Royal Blue Natural Sapphire 1.15 Ct Diamond Trilogy Platinum Ring
Royal Blue Natural Sapphire 1.15 Ct Diamond Trilogy Platinum Ring

Royal Blue Natural Sapphire 1.15 Ct Diamond Trilogy Platinum Ring

Located in Napoli, IT

. Sides are two seamless, top quality, bright white, round brilliant cut Diamonds 1.15 Ct TCW F/G VVS

Category

Mid-20th Century Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

18 kt. White Gold Trilogy Ring  2.2 ct. Vivid Red Siam Ruby & 1.73 ct. Diamonds
18 kt. White Gold Trilogy Ring  2.2 ct. Vivid Red Siam Ruby & 1.73 ct. Diamonds

18 kt. White Gold Trilogy Ring 2.2 ct. Vivid Red Siam Ruby & 1.73 ct. Diamonds

Located in Antwerp, BE

Magnificant 18 kt. White Gold Trilogy Ring with 2.2 ct. Vivid Red Ruby & 1.73 ct. Diamonds Ruby

Category

20th Century European Artisan Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

Art Deco Large Natural Pearl 1.60 Ct Diamond Trilogy Ring 18 KT
Art Deco Large Natural Pearl 1.60 Ct Diamond Trilogy Ring 18 KT

Art Deco Large Natural Pearl 1.60 Ct Diamond Trilogy Ring 18 KT

Located in Napoli, IT

and baroque - 2 old European cut Diamonds for 1.60 Ct TCW rated I/J one slightly more tinted - VS

Category

Vintage 1920s Italian Art Deco Three-Stone Rings

Materials

Diamond, Natural Pearl, 18k Gold

Victorian 1.60 Ct Old Mine Diamond Trilogy Engagement Ring 18 KT/Silver
Victorian 1.60 Ct Old Mine Diamond Trilogy Engagement Ring 18 KT/Silver

Victorian 1.60 Ct Old Mine Diamond Trilogy Engagement Ring 18 KT/Silver

Located in Napoli, IT

Amazing Victorian late 1800 Diamond trilogy ring in a classy statement design of the era Hand

Category

Antique 1890s European Late Victorian Three-Stone Rings

Materials

Diamond, 18k Gold, Silver

2ct Diamond and Platinum Trilogy Ring
2ct Diamond and Platinum Trilogy Ring

2ct Diamond and Platinum Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

An impressive vintage 1940's 2 carat diamond and platinum trilogy style cocktail ring; part of our

Category

20th Century Unknown Three-Stone Rings

Materials

Diamond, Platinum

Green Blue Mint Tourmaline Emerald Diamond Halo Trilogy Ring
Green Blue Mint Tourmaline Emerald Diamond Halo Trilogy Ring

Green Blue Mint Tourmaline Emerald Diamond Halo Trilogy Ring

By Joke Quick

Located in Antwerp, BE

. Total carat diamonds : 0.39 ct. Total weight: 8.3 g. Size EU 54, US 6 3/4. This ring can be resized

Category

2010s Belgian Contemporary Cocktail Rings

Materials

Diamond, Emerald, Tourmaline, 18k Gold, Yellow Gold, White Gold

Victorian Ceylon Purple Sapphire and Diamond Rose Gold Trilogy Ring
Victorian Ceylon Purple Sapphire and Diamond Rose Gold Trilogy Ring

Victorian Ceylon Purple Sapphire and Diamond Rose Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

rose gold trilogy ring; part of our diverse antique jewellery collections. This stunning, fine and

Category

Antique 19th Century Unknown Victorian Engagement Rings

Materials

Diamond, Sapphire, Purple Sapphire, 15k Gold, Rose Gold

1920s Antique 1.44 Carat Diamond and 18k White Gold Trilogy Ring
1920s Antique 1.44 Carat Diamond and 18k White Gold Trilogy Ring

1920s Antique 1.44 Carat Diamond and 18k White Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

A stunning, fine and impressive 1.44 carat diamond and 18 karat white gold trilogy ring; part of

Category

Vintage 1930s Unknown Three-Stone Rings

Materials

Diamond, White Gold

Victorian 10.00 Ct Certified Unheated Ceylon Sapphire 1.80 Ct Diamond  Ring
Victorian 10.00 Ct Certified Unheated Ceylon Sapphire 1.80 Ct Diamond  Ring

Victorian 10.00 Ct Certified Unheated Ceylon Sapphire 1.80 Ct Diamond Ring

Located in Napoli, IT

natural unheated Ceylon sapphire of approx 10.00 Ct (CISGEM Report n. 25330) - 2 old mine cut diamonds

Category

Antique 1880s European Victorian Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold, Silver

Stunning 18 Karat Gold and Silver Ring with Diamonds from the 1900s, Trilogy
Stunning 18 Karat Gold and Silver Ring with Diamonds from the 1900s, Trilogy

Stunning 18 Karat Gold and Silver Ring with Diamonds from the 1900s, Trilogy

Located in Antwerp, BE

Stunning 18 kt Gold & Silver Ring With Diamonds from the 1900's ,Trilogy Diamonds: 25 diamonds ,3

Category

Early 20th Century Artisan Three-Stone Rings

Materials

Diamond, 18k Gold, Gold, Silver

Victorian 3.20 Ct Colombian Emerald 1.45 Ct Diamond Trinity 18 KT Ring
Victorian 3.20 Ct Colombian Emerald 1.45 Ct Diamond Trinity 18 KT Ring

Victorian 3.20 Ct Colombian Emerald 1.45 Ct Diamond Trinity 18 KT Ring

Located in Napoli, IT

silver portions for the Diamonds claws The ring is of simply trilogy facing up with a trio of Diamond and

Category

Antique 1890s European Victorian Three-Stone Rings

Materials

Diamond, Emerald, 18k Gold, Silver

Edwardian Certified 6.35 Ct Imperial Topaz 1.20 CT Diamond three stone Ring
Edwardian Certified 6.35 Ct Imperial Topaz 1.20 CT Diamond three stone Ring

Edwardian Certified 6.35 Ct Imperial Topaz 1.20 CT Diamond three stone Ring

Located in Napoli, IT

mm.) – 2 old European cut diamonds totalling approx 1.20 Ct (G-VVS/VS) UK size: M 3/4 US size: 6.5

Category

Early 20th Century European Late Victorian Three-Stone Rings

Materials

Diamond, Imperial Topaz, 18k Gold, Platinum

18 Karat Gold 3.3 Carat Fancy Cognac Heart and Pear Shape Diamond Trilogy Ring
18 Karat Gold 3.3 Carat Fancy Cognac Heart and Pear Shape Diamond Trilogy Ring

18 Karat Gold 3.3 Carat Fancy Cognac Heart and Pear Shape Diamond Trilogy Ring

By Joke Quick

Located in Antwerp, BE

: 1.1ct 2 X Fancy Cognac pear-shaped diamonds : 2.2ct. Total carat diamonds 3,30 ct. This exquisite

Category

2010s Belgian Contemporary Three-Stone Rings

Materials

Brown Diamond, Diamond, Rose Gold, 18k Gold, Gold

Art Deco 1.05 Ct Diamond G VVS 18 Kt Platinum Navette Ring
Art Deco 1.05 Ct Diamond G VVS 18 Kt Platinum Navette Ring

Art Deco 1.05 Ct Diamond G VVS 18 Kt Platinum Navette Ring

Located in Napoli, IT

trio as main trilogy, further adorned by diamond motifs dear during the Deco era Under work is

Category

Vintage 1920s Art Deco Cluster Rings

Materials

Diamond, 18k Gold, Platinum

Art Deco 2.10 Ct Diamond Three Stone Ring, C.1920s
Art Deco 2.10 Ct Diamond Three Stone Ring, C.1920s

Art Deco 2.10 Ct Diamond Three Stone Ring, C.1920s

Located in London, GB

Three superb old cut diamonds are beautifully presented in this splendid trilogy engagement ring

Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Platinum

Art Deco Style 2.30 Ct Ceylon No Heat Liliac Sapphire Diamond Platinum Ring
Art Deco Style 2.30 Ct Ceylon No Heat Liliac Sapphire Diamond Platinum Ring

Art Deco Style 2.30 Ct Ceylon No Heat Liliac Sapphire Diamond Platinum Ring

Located in Napoli, IT

x7.03 mm.) – 2 trillion cut diamonds totaling approx 1.10 Ct (G/VVS) UK size: L 1/2 US size: 6 Measures

Category

1990s English Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Fancy brown 6.123 ct Princess Cut Diamond with Trillion Diamond in Platinum
Fancy brown 6.123 ct Princess Cut Diamond with Trillion Diamond in Platinum

Fancy brown 6.123 ct Princess Cut Diamond with Trillion Diamond in Platinum

Located in Zurich, Zollstrasse

fineness mark 900 and the carat weight 6.123 ct. This contemporary diamond engagement ring is supplied

Category

2010s Unknown Contemporary Three-Stone Rings

Materials

Diamond, Platinum

Edwardian Ceylon Sapphire & Diamond Ring, c.1910
Edwardian Ceylon Sapphire & Diamond Ring, c.1910

Edwardian Ceylon Sapphire & Diamond Ring, c.1910

Located in Braintree, GB

• Estimated Weight: ~1.00 ct • Colour: Rich Vivid Blue • Origin: Ceylon (Sri Lanka) Diamond Details • 2 × Old

Category

Vintage 1910s British Edwardian Three-Stone Rings

Materials

Diamond, Sapphire, 15k Gold

1.29 Carat Cabochon Cut Ruby and Diamond Yellow Gold Cocktail Ring
1.29 Carat Cabochon Cut Ruby and Diamond Yellow Gold Cocktail Ring

1.29 Carat Cabochon Cut Ruby and Diamond Yellow Gold Cocktail Ring

Located in Jesmond, Newcastle Upon Tyne

fineness mark -585-. This vintage gemstone trilogy ring is supplied with an independent diamond grading

Category

Vintage 1980s Unknown Retro Cocktail Rings

Materials

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

1.30 Carat Diamond and 18k Yellow Gold Three Stone Ring
1.30 Carat Diamond and 18k Yellow Gold Three Stone Ring

1.30 Carat Diamond and 18k Yellow Gold Three Stone Ring

Located in Jesmond, Newcastle Upon Tyne

A fine and impressive contemporary 1.30 carat diamond, 18 karat yellow gold trilogy ring; part of

Category

Early 2000s Unknown Three-Stone Rings

Materials

Diamond, White Gold, Yellow Gold

Diamond and 18k Yellow Gold Three-Stone Engagement Ring
Diamond and 18k Yellow Gold Three-Stone Engagement Ring

Diamond and 18k Yellow Gold Three-Stone Engagement Ring

Located in Jesmond, Newcastle Upon Tyne

A fine and impressive 0.47 Carat diamond and 18 karat yellow gold, 18 karat white gold set trilogy

Category

1990s English Three-Stone Rings

Materials

Diamond, 18k Gold, Yellow Gold

Recent Sales

Magnificent Certified 6.81 Carat Colombian Emerald 1.60 Ct Diamond Trilogy Ring
Magnificent Certified 6.81 Carat Colombian Emerald 1.60 Ct Diamond Trilogy Ring

Magnificent Certified 6.81 Carat Colombian Emerald 1.60 Ct Diamond Trilogy Ring

Located in Napoli, IT

Diamonds making the most beautiful, always wearable trilogy ring Diamonds are 1.60 Ct for both – G/H VVS

Category

Early 2000s Contemporary Three-Stone Rings

Materials

Diamond, Emerald, 18k Gold

Rare Edwardian 3.48 Ct NO Heat Ceylon Sapphire 2.25 Ct Diamond Plus Trilogy Ring
Rare Edwardian 3.48 Ct NO Heat Ceylon Sapphire 2.25 Ct Diamond Plus Trilogy Ring

Rare Edwardian 3.48 Ct NO Heat Ceylon Sapphire 2.25 Ct Diamond Plus Trilogy Ring

Located in Napoli, IT

. - GCS report 80274-11) – 2 old European cut diamonds of 1.15 and 1.10 Ct totalling 2.25 Ct (G/H-VVS/SI

Category

Antique Early 1900s Edwardian Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold

Art Deco 2.30 Ct Natural No Heat Siam Ruby 1.0 Ct Old Mine Diamond Trilogy Ring
Art Deco 2.30 Ct Natural No Heat Siam Ruby 1.0 Ct Old Mine Diamond Trilogy Ring

Art Deco 2.30 Ct Natural No Heat Siam Ruby 1.0 Ct Old Mine Diamond Trilogy Ring

Located in Napoli, IT

untreated natural Siam ruby of approx 2.30 Ct (9.53 x 8.04 mm.) - 2 old mine cut diamonds totalling approx

Category

Vintage 1930s Art Deco Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold, Silver

Edwardian Austro Hungarian Diamond Trilogy Ring
Edwardian Austro Hungarian Diamond Trilogy Ring

Edwardian Austro Hungarian Diamond Trilogy Ring

Located in Napoli, IT

mine cut diamonds totalling approx .70 Ct (G/H/I-VVS/VS) – 2 rectangular cut natural blue sapphires

Category

Antique Early 1900s Austrian Edwardian Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

Antique Certified 1.62 Ct Colombian Emerald 2.80 Ct Old Mine Diamond Trilogy rin
Antique Certified 1.62 Ct Colombian Emerald 2.80 Ct Old Mine Diamond Trilogy rin

Antique Certified 1.62 Ct Colombian Emerald 2.80 Ct Old Mine Diamond Trilogy rin

Located in Napoli, IT

emerald cut natural Colombian emerald of 1.62 Ct (7.0 mm. by side) – 2 cushion old mine cut diamonds

Category

Antique Early 1900s Edwardian Three-Stone Rings

Materials

Diamond, Emerald, Platinum

Rare Natural Pearl and Diamond Trilogy Ring
Rare Natural Pearl and Diamond Trilogy Ring

Rare Natural Pearl and Diamond Trilogy Ring

Located in Napoli, IT

white body cream overtone Flanked by two old mine cut Diamonds of .40 CT TCW. rated as G VS Ring has

Category

Antique 1890s Victorian Three-Stone Rings

Materials

Diamond, Natural Pearl, 18k Gold

18 Carat White Gold 1.22 Carat Oval Diamond 'Trilogy' Engagement Ring
18 Carat White Gold 1.22 Carat Oval Diamond 'Trilogy' Engagement Ring

18 Carat White Gold 1.22 Carat Oval Diamond 'Trilogy' Engagement Ring

By Matthew Ely

Located in Woollahra, New South Wales

Matthew Ely Engagement ring 18 CT WG oval 'trilogy' diamond ring claw set with 1 = 1.22 ct oval cut

Category

2010s Australian Contemporary Engagement Rings

Materials

Diamond, 18k Gold

Art Deco 1.30 Carat Old Mine Diamond Trilogy Ring
Art Deco 1.30 Carat Old Mine Diamond Trilogy Ring

Art Deco 1.30 Carat Old Mine Diamond Trilogy Ring

Located in Napoli, IT

(H/SI) – 2 old mine cut diamonds totalling approx .50 Ct (H/I-VVS/VS) UK size: O 1/4 US size: 7 1/4

Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, 18k Gold, Silver

Art Deco Certified Burma Sapphire Diamond Trilogy Platinum Ring
Art Deco Certified Burma Sapphire Diamond Trilogy Platinum Ring

Art Deco Certified Burma Sapphire Diamond Trilogy Platinum Ring

Located in Napoli, IT

Diamonds of 1.0 Ct for both rated as G VVS/VS making a statement ring perfect for engagement, anniversary

Category

Vintage 1920s Art Deco Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

Georgian /Victorian 1.00 Carat Plus Rose Cut Diamond Trilogy Ring
Georgian /Victorian 1.00 Carat Plus Rose Cut Diamond Trilogy Ring

Georgian /Victorian 1.00 Carat Plus Rose Cut Diamond Trilogy Ring

Located in Napoli, IT

whilst the two beside are close set, side Diamonds approx .20 Ct more 2.7 mm. measure The gold work is

Category

Antique Early 1800s Georgian Three-Stone Rings

Materials

Diamond, 14k Gold, 15k Gold

Antique 1.50 Carat Plus Old Mine Cut Diamond Solitaire Trilogy Ring
Antique 1.50 Carat Plus Old Mine Cut Diamond Solitaire Trilogy Ring

Antique 1.50 Carat Plus Old Mine Cut Diamond Solitaire Trilogy Ring

Located in Napoli, IT

For Ever Striking antique 1900 ca Diamond solitaire ring set in a lovely trilogy version with a

Category

Antique Early 1900s Edwardian Three-Stone Rings

Materials

Diamond, 18k Gold, Silver

Victorian 1.20 Carat Natural No Heat Ruby Diamond Rare Trilogy Ring
Victorian 1.20 Carat Natural No Heat Ruby Diamond Rare Trilogy Ring

Victorian 1.20 Carat Natural No Heat Ruby Diamond Rare Trilogy Ring

Located in Napoli, IT

approx 1.20 Ct (agd 5.9 mm.) - 2 old European cut diamonds totalling approx .50 Ct (F/G-VVS) – 6 rose cut

Category

Antique Early 1900s Late Victorian Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold

Edwardian 4.22 Carat Old Mine Cushion Diamond K/L VVS1 Trilogy Ring
Edwardian 4.22 Carat Old Mine Cushion Diamond K/L VVS1 Trilogy Ring

Edwardian 4.22 Carat Old Mine Cushion Diamond K/L VVS1 Trilogy Ring

Located in Napoli, IT

Pool of Light! Extraordinary Edwardian period Diamond trilogy ring Boasting a bright, blazing

Category

Antique Early 1900s Edwardian Three-Stone Rings

Materials

Diamond, 18k Gold

Victorian .80 Carat Burmese Ruby 1.20 Carat Old Mine Diamond Trilogy Ring
Victorian .80 Carat Burmese Ruby 1.20 Carat Old Mine Diamond Trilogy Ring

Victorian .80 Carat Burmese Ruby 1.20 Carat Old Mine Diamond Trilogy Ring

Located in Napoli, IT

/worn Gems: 1 cushion cut natural Burma ruby of approx .80 Ct (6.19 x4.67 mm.) - 2 old mine cut diamonds

Category

Antique 1880s Victorian Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold

Victorian 1.60 Carat Old Cut Diamond Rare Trilogy Ring 18 Karat/Silver
Victorian 1.60 Carat Old Cut Diamond Rare Trilogy Ring 18 Karat/Silver

Victorian 1.60 Carat Old Cut Diamond Rare Trilogy Ring 18 Karat/Silver

Located in Napoli, IT

Gems: 1 cushion old mine cut diamonds of .80 Ct ( I/J/SI) – 2 cushion old mine cut diamonds totalling

Category

Antique 1880s Victorian Three-Stone Rings

Materials

Diamond, 18k Gold, Silver

Art Deco 3.00 Carat Natural Aquamarine .50 Carat Old Mine Diamond Trilogy Ring
Art Deco 3.00 Carat Natural Aquamarine .50 Carat Old Mine Diamond Trilogy Ring

Art Deco 3.00 Carat Natural Aquamarine .50 Carat Old Mine Diamond Trilogy Ring

Located in Napoli, IT

Trilogy ring Dating 1920 ca, beautifully hand crafted of solid 18 KT gold with Silver portion over gold

Category

Vintage 1930s Art Deco Three-Stone Rings

Materials

Aquamarine, Diamond, 18k Gold, Silver

Art Deco 0.52 Ct. Three Stone Diamond and Sapphire Ring in 14k White Gold
Art Deco 0.52 Ct. Three Stone Diamond and Sapphire Ring in 14k White Gold

Art Deco 0.52 Ct. Three Stone Diamond and Sapphire Ring in 14k White Gold

Located in New York, NY

Here's a twist on a trilogy ring you didn't know you needed. Three old European cut diamonds

Category

Early 20th Century Unknown Art Deco Cocktail Rings

Materials

Diamond, Sapphire, White Gold

Beautiful Edwardian English Colombian Emerald Diamond Ring
Beautiful Edwardian English Colombian Emerald Diamond Ring

Beautiful Edwardian English Colombian Emerald Diamond Ring

Located in Napoli, IT

old cut diamonds totalling approx .40 Ct (G-VVS/SI) UK size: J 1/2 US size: 5 Measures: head is 10 x

Category

Vintage 1910s British Edwardian Cluster Rings

Materials

Diamond, Emerald, 18k Gold

Important Ruby Diamond Antique Ring
Important Ruby Diamond Antique Ring

Important Ruby Diamond Antique Ring

Located in Napoli, IT

An important, authentic Edwardian Ruby and Diamond ring, in exquisite and unique trilogy version

Category

Antique Early 1900s Edwardian Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold, Platinum

Stunning 1.20 Carat Natural Sapphire 1.10 Carat Triangular Diamond Ring
Stunning 1.20 Carat Natural Sapphire 1.10 Carat Triangular Diamond Ring

Stunning 1.20 Carat Natural Sapphire 1.10 Carat Triangular Diamond Ring

Located in Napoli, IT

faceted cut natural blue sapphire of approx 1.20 Ct (6.67 mm. x 5.16 mm.) - 2 trillion cut diamonds

Category

Vintage 1970s Contemporary Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold

Art Deco 2.01 Carat Colombian Emerald 1.15 Carat Diamond Platinum Ring
Art Deco 2.01 Carat Colombian Emerald 1.15 Carat Diamond Platinum Ring

Art Deco 2.01 Carat Colombian Emerald 1.15 Carat Diamond Platinum Ring

Located in Napoli, IT

Colombian Emerald of 2.01 Ct (certified minor oil – 8.8 x 6.8 mm,) – 2 old European cut diamonds totalling

Category

Vintage 1930s Art Deco Three-Stone Rings

Materials

Diamond, Emerald, Platinum

1920s 1.73 ct Ruby and 0.78 ct Diamond, Platinum Trilogy Ring
1920s 1.73 ct Ruby and 0.78 ct Diamond, Platinum Trilogy Ring

1920s 1.73 ct Ruby and 0.78 ct Diamond, Platinum Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

impressive ruby and diamond trilogy ring has been crafted in platinum. The pierced decorated, basket style

Category

Vintage 1920s French Cocktail Rings

Materials

Diamond, Ruby, Platinum

1.55 Ct Ruby and 0.36 Ct Diamond, 18 Ct Yellow Gold Trilogy Ring
1.55 Ct Ruby and 0.36 Ct Diamond, 18 Ct Yellow Gold Trilogy Ring

1.55 Ct Ruby and 0.36 Ct Diamond, 18 Ct Yellow Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

collections. This fine and impressive contemporary ruby and diamond ring has been crafted in 18 ct yellow

Category

21st Century and Contemporary Unknown Three-Stone Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Antique 1.33 Ct Basaltic Sapphire and 0.88 Ct Diamond Platinum Trilogy Ring
Antique 1.33 Ct Basaltic Sapphire and 0.88 Ct Diamond Platinum Trilogy Ring

Antique 1.33 Ct Basaltic Sapphire and 0.88 Ct Diamond Platinum Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

, platinum trilogy ring; part of our diverse antique jewelry and estate jewelry collections. This stunning

Category

Vintage 1920s Three-Stone Rings

Materials

Diamond, Sapphire, Platinum

1.08 ct Diamond and 18 ct Yellow Gold Trilogy Ring - Vintage 1993
1.08 ct Diamond and 18 ct Yellow Gold Trilogy Ring - Vintage 1993

1.08 ct Diamond and 18 ct Yellow Gold Trilogy Ring - Vintage 1993

Located in Jesmond, Newcastle Upon Tyne

/trilogy ring; part of our diverse vintage three-stone ring collection. This impressive vintage three

Category

1990s Three-Stone Rings

Materials

Diamond, 18k Gold, Yellow Gold

18K White Gold Trilogy Ring with 1.30 ct G VS Diamond & Two 0.30 ct Side Stones
18K White Gold Trilogy Ring with 1.30 ct G VS Diamond & Two 0.30 ct Side Stones

18K White Gold Trilogy Ring with 1.30 ct G VS Diamond & Two 0.30 ct Side Stones

Located in MONTMORENCY, FR

This elegant trilogy ring features a brilliant-cut center diamond weighing approximately 1.30

Category

21st Century and Contemporary French Contemporary Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Antique 1.97 Ct Amethyst and Diamond Yellow Gold Trilogy Ring Circa 1910
Antique 1.97 Ct Amethyst and Diamond Yellow Gold Trilogy Ring Circa 1910

Antique 1.97 Ct Amethyst and Diamond Yellow Gold Trilogy Ring Circa 1910

Located in Jesmond, Newcastle Upon Tyne

antique amethyst ring has been crafted in 18 ct yellow gold. The scrolling decorated setting is

Category

Vintage 1910s Unknown Three-Stone Rings

Materials

Amethyst, Diamond, Gold, 18k Gold, Yellow Gold

1970s Diamond White Gold Trilogy Ring
1970s Diamond White Gold Trilogy Ring

1970s Diamond White Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

An impressive vintage 1970's 1.08 carat diamond and 18 karat white gold trilogy style dress ring

Category

20th Century Unknown Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold

1.09 Carat Diamond and Platinum Trilogy Ring, 2000s
1.09 Carat Diamond and Platinum Trilogy Ring, 2000s

1.09 Carat Diamond and Platinum Trilogy Ring, 2000s

Located in Jesmond, Newcastle Upon Tyne

A fine and impressive 1.09 carat diamond and platinum, 18 carat yellow gold set trilogy ring; part

Category

Early 2000s Unknown Contemporary Engagement Rings

Materials

Diamond, Platinum

1920s 1.50 Carat Diamond and Platinum Trilogy Ring
1920s 1.50 Carat Diamond and Platinum Trilogy Ring

1920s 1.50 Carat Diamond and Platinum Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

A stunning, fine and impressive antique 1.50 carat diamond and platinum three stone/trilogy ring

Category

Vintage 1920s Engagement Rings

Materials

Diamond, Platinum

Antique and Contemporary 1.69 Carat Diamond and Yellow Gold Trilogy Ring
Antique and Contemporary 1.69 Carat Diamond and Yellow Gold Trilogy Ring

Antique and Contemporary 1.69 Carat Diamond and Yellow Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

An impressive antique 1.69 Ct diamond and contemporary 18k yellow gold, 18k white gold set trilogy

Category

1990s Unknown Engagement Rings

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

1950s 1.95 Carat Diamond and Platinum Trilogy Ring
1950s 1.95 Carat Diamond and Platinum Trilogy Ring

1950s 1.95 Carat Diamond and Platinum Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

A stunning, fine and impressive vintage 1.95 carat diamond and platinum trilogy ring; part of our

Category

Vintage 1950s Unknown Three-Stone Rings

Materials

Diamond, Platinum

1940s 1.49 Carat Diamond and Platinum Trilogy Ring
1940s 1.49 Carat Diamond and Platinum Trilogy Ring

1940s 1.49 Carat Diamond and Platinum Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

An impressive vintage 1940s 1.49 carat diamond and platinum three stone ring; part of our diverse

Category

Vintage 1940s Unknown Three-Stone Rings

Materials

Diamond, Platinum

Antique 1.74Ct Diamond and White Gold Trilogy Ring
Antique 1.74Ct Diamond and White Gold Trilogy Ring

Antique 1.74Ct Diamond and White Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

A stunning, fine and impressive antique 1.74 carat diamond and 18 karat white gold trilogy style

Category

Vintage 1920s Unknown Three-Stone Rings

Materials

Diamond, White Gold

1930s 2.09 Carat Diamond Yellow Gold Trilogy Ring
1930s 2.09 Carat Diamond Yellow Gold Trilogy Ring

1930s 2.09 Carat Diamond Yellow Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

A fine and impressive 2.09 carat diamond and 18 karat yellow gold, platinum set trilogy style dress

Category

Vintage 1930s Unknown Three-Stone Rings

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

Antique 1920s Diamond and White Gold Three-Stone Trilogy Ring
Antique 1920s Diamond and White Gold Three-Stone Trilogy Ring

Antique 1920s Diamond and White Gold Three-Stone Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

A fine and impressive antique 0.80 carat diamond and 18 karat white gold, platinum set trilogy ring

Category

Vintage 1920s Unknown Engagement Rings

Materials

Diamond, 18k Gold, White Gold

18 Karat White Gold Ruby and Diamond Trilogy Ring
18 Karat White Gold Ruby and Diamond Trilogy Ring

18 Karat White Gold Ruby and Diamond Trilogy Ring

Located in Zurich, CH

Elegant 18 karat white gold ruby and diamond trilogy ring. Delightful ring, centering upon 1 oval

Category

21st Century and Contemporary Swiss Contemporary Three-Stone Rings

Materials

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

1900s Antique Opal and Diamond White Gold Trilogy Ring
1900s Antique Opal and Diamond White Gold Trilogy Ring

1900s Antique Opal and Diamond White Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

impressive opal and diamond trilogy ring has been crafted in 18k white gold. The pierced decorated, multi

Category

Antique Early 1900s Unknown Three-Stone Rings

Materials

Diamond, Opal, 18k Gold, White Gold

1.27Ct Diamond and Yellow Gold Trilogy Ring - Vintage 1964
1.27Ct Diamond and Yellow Gold Trilogy Ring - Vintage 1964

1.27Ct Diamond and Yellow Gold Trilogy Ring - Vintage 1964

Located in Jesmond, Newcastle Upon Tyne

/trilogy ring; part of our vintage jewelry and estate jewelry collections This fine vintage three stone

Category

Vintage 1960s English Three-Stone Rings

Materials

Diamond, 18k Gold, Yellow Gold

1980s 1.65 Carat Emerald and Diamond 18k Yellow Gold Trilogy Ring
1980s 1.65 Carat Emerald and Diamond 18k Yellow Gold Trilogy Ring

1980s 1.65 Carat Emerald and Diamond 18k Yellow Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

yellow gold trilogy ring; an addition to our vintage jewelry and estate jewelry collections. This fine

Category

20th Century French Cluster Rings

Materials

Diamond, Emerald, Yellow Gold

1940s 2.21 Carat Ruby and 2.06 Carat Diamond Trilogy Ring
1940s 2.21 Carat Ruby and 2.06 Carat Diamond Trilogy Ring

1940s 2.21 Carat Ruby and 2.06 Carat Diamond Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

A stunning, fine and impressive 2.21 carat ruby, 2.06 carat diamond and platinum trilogy ring; part

Category

Vintage 1940s Unknown Three-Stone Rings

Materials

Diamond, Ruby, Platinum

1970s 1.50 Carat Sapphire and Diamond White Gold Trilogy Ring
1970s 1.50 Carat Sapphire and Diamond White Gold Trilogy Ring

1970s 1.50 Carat Sapphire and Diamond White Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

impressive diamond and sapphire trilogy ring has been crafted in 18k white gold. The pierced decorated

Category

Vintage 1970s British Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold, White Gold

Antique 1920s 2.10 Carat Diamond and 18 k Yellow Gold Trilogy Ring
Antique 1920s 2.10 Carat Diamond and 18 k Yellow Gold Trilogy Ring

Antique 1920s 2.10 Carat Diamond and 18 k Yellow Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

A fine and impressive 2.10 carat diamond and 18 k yellow gold, 18 k white gold three stone ring

Category

Vintage 1920s Unknown Engagement Rings

Materials

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

Antique 4.76 Carat Sapphire 1.05 Carat Diamond Yellow Gold Trilogy Ring
Antique 4.76 Carat Sapphire 1.05 Carat Diamond Yellow Gold Trilogy Ring

Antique 4.76 Carat Sapphire 1.05 Carat Diamond Yellow Gold Trilogy Ring

Located in Jesmond, Newcastle Upon Tyne

blue sapphire and diamond ring has been crafted in 18 ct yellow gold. The groove decorated, multi

Category

20th Century Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold, Yellow Gold

0.55Ct Diamond and 14k White Gold Trilogy Ring - Antique Circa 1930
0.55Ct Diamond and 14k White Gold Trilogy Ring - Antique Circa 1930

0.55Ct Diamond and 14k White Gold Trilogy Ring - Antique Circa 1930

Located in Jesmond, Newcastle Upon Tyne

XL2 Analyzer) and verified as 14 ct gold. The ring is supplied with an independent diamond grading

Category

Vintage 1930s German Three-Stone Rings

Materials

Diamond, 14k Gold, White Gold

18 Karat Rose Gold 11.22 Carat Heart Shape Black Diamond Trilogy Ring
18 Karat Rose Gold 11.22 Carat Heart Shape Black Diamond Trilogy Ring

18 Karat Rose Gold 11.22 Carat Heart Shape Black Diamond Trilogy Ring

By Joke Quick

Located in Antwerp, BE

Black diamond centerstone 11.22 carat with a Love and heart Laser inscription; and 2 black pear shaped

Category

2010s Belgian Contemporary Three-Stone Rings

Materials

Diamond, Black Diamond, 18k Gold, Rose Gold

1930s Antique Diamond and Yellow Gold Platinum Set Band Ring
1930s Antique Diamond and Yellow Gold Platinum Set Band Ring

1930s Antique Diamond and Yellow Gold Platinum Set Band Ring

Located in Jesmond, Newcastle Upon Tyne

showcases each stone. Condition This impressive diamond trilogy ring is fine quality set with very high

Category

Vintage 1930s Unknown Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Vintage French 1.86 Carat Ruby and Opal 18 Karat Yellow Gold Dress Ring
Vintage French 1.86 Carat Ruby and Opal 18 Karat Yellow Gold Dress Ring

Vintage French 1.86 Carat Ruby and Opal 18 Karat Yellow Gold Dress Ring

Located in Jesmond, Newcastle Upon Tyne

gemstone trilogy ring is supplied with an independent diamond grading report card. Images do not always

Category

Vintage 1950s French Cocktail Rings

Materials

Opal, Ruby, 18k Gold, Yellow Gold

Antique 1.56ct Ruby and 18ct Yellow Gold Dress Ring
Antique 1.56ct Ruby and 18ct Yellow Gold Dress Ring

Antique 1.56ct Ruby and 18ct Yellow Gold Dress Ring

Located in Jesmond, Newcastle Upon Tyne

/trilogy ring; part of our diverse antique jewellery collections. This stunning, fine and impressive

Category

20th Century Unknown Three-Stone Rings

Materials

Ruby, 18k Gold, Yellow Gold

Victorian 1.30 Ct Old Mine Diamond Trilogy 18 KT Ring
Victorian 1.30 Ct Old Mine Diamond Trilogy 18 KT Ring

Victorian 1.30 Ct Old Mine Diamond Trilogy 18 KT Ring

Located in Napoli, IT

Diamonds are old mine cut approx . 50 Ct I/J – VVS/VS Beautiful rare ring , meaningful love expression of

Category

Antique Late 19th Century European Late Victorian Three-Stone Rings

Materials

Diamond, 18k Gold, Silver

Art Deco Style 3.00 Ct Natural Aquamarine .50 Ct Old Mine Diamond Trilogy Ring
Art Deco Style 3.00 Ct Natural Aquamarine .50 Ct Old Mine Diamond Trilogy Ring

Art Deco Style 3.00 Ct Natural Aquamarine .50 Ct Old Mine Diamond Trilogy Ring

Located in Napoli, IT

Trilogy ring Dating 1920 ca, beautifully hand crafted of solid 18 KT gold with Silver portion over gold

Category

Vintage 1950s European Art Deco Three-Stone Rings

Materials

Aquamarine, Diamond, 18k Gold, Silver

Edwardian Diamond Austro Hungarian Gent Trilogy Ring
Edwardian Diamond Austro Hungarian Gent Trilogy Ring

Edwardian Diamond Austro Hungarian Gent Trilogy Ring

Located in Napoli, IT

Hallmarks: Austro Hungarian Gems: 3 old mine cut diamonds totalling approx .80 Ct (G/H/I-VVS/VS) – 2

Category

Antique Early 1900s Austrian Edwardian Three-Stone Rings

Materials

Diamond, Blue Sapphire, 18k Gold, Platinum

Joke Quick Dusty Rose Pink Burmese Spinel Fancy Pink Diamond Trilogy Ring
Joke Quick Dusty Rose Pink Burmese Spinel Fancy Pink Diamond Trilogy Ring

Joke Quick Dusty Rose Pink Burmese Spinel Fancy Pink Diamond Trilogy Ring

By Joke Quick

Located in Antwerp, BE

3 unheated Burmese Spinels and pave set Brilliant-cut Fancy Chocolate Pink diamonds on the ring

Category

2010s Belgian Three-Stone Rings

Materials

Spinel, Pink Diamond, Diamond, 18k Gold, Rose Gold

2.62 Ct Diamond and 18 k Yellow Gold Dress Ring - Antique Victorian
2.62 Ct Diamond and 18 k Yellow Gold Dress Ring - Antique Victorian

2.62 Ct Diamond and 18 k Yellow Gold Dress Ring - Antique Victorian

Located in Jesmond, Newcastle Upon Tyne

gold set trilogy style dress ring; part of our Victorian jewelry collections This stunning, fine and

Category

Antique 1890s Unknown Victorian Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold

Antique French 18K Gold Garnet and Diamond Navette Ring
Antique French 18K Gold Garnet and Diamond Navette Ring

Antique French 18K Gold Garnet and Diamond Navette Ring

Located in Braintree, GB

: ~ 3.50 ct Bottom Pear-Shaped Garnet: ~ 2.50 ct. Total Garnet Carat Weight: ~ 8.50 carats Diamonds (2

Category

Antique 1880s French Victorian Fashion Rings

Materials

Diamond, Garnet, 18k Gold

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Located in Firenze, IT

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Paraiba, Tourmaline, Diamond, White Gold

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Antique Edwardian Mixed Metals Four Old European Diamond Engagement Ring

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Located in Houston, TX

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Located in Chipping Campden, GB

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Diamond, Gold

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Located in Los Angeles, CA

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Diamond, Moonstone, Gold, 18k Gold

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Located in OVIEDO, AS

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Diamond, Gold, Platinum

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Located in Wallkill, NY

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Vintage 1920s American Art Deco Engagement Rings

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Diamond, Platinum

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Antique Late 19th Century Victorian Three-Stone Rings

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

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Platinum Art Deco Style Sugarloaf Emerald and Diamond Ring Engagement Ring

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By Gold Adore

Located in San Francisco, CA

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2 Ct Trilogy Diamond Ring For Sale on 1stDibs

Find the exact 2 ct trilogy diamond ring you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, Yellow Gold and 18k Gold — can elevate any look. You can easily find a 67 antique edition and 19 modern creations to choose from as well. Finding the perfect 2 ct trilogy diamond ring may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made 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. There have been many well-made iterations of the classic 2 ct trilogy diamond ring over the years, but those made by Fine Jewels UK and Paul Spurgeon are often thought to be among the most beautiful. Today, if you’re looking for a round cut version of this piece and are unable to find the perfect match, our selection also includes old european cut and emerald cut alternatives. Most of our 2 ct trilogy diamond ring for sale are for women, but there are 3 pieces available to browse for men.

How Much is a 2 Ct Trilogy Diamond Ring?

The price for a 2 ct trilogy diamond ring starts at $415 and tops out at $19,748 with these rings, on average, selling for $2,857.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Three-stone-rings for You

Vintage three-stone rings are pieces of jewelry adorned with three individual gemstones.

In 2001, De Beers launched the “Past, Present and Future” ring with a trio of diamonds and helped establish the three-stone ring as a staple jewelry piece. When it comes to modern engagement rings, many couples on the search for the perfect ring choose three-stone rings for their appeal and symbolism. When the Duchess of Sussex’s three-stone engagement ring was unveiled, it instantly piqued the interest of ring buyers and future fiancées.

Some popular gemstone cuts for three-stone rings include emerald, square and round. Three-stone rings can feature gemstones that are all the same type or a mix that varies in color, size and type. The three main size styles for these gemstones are graduated, slightly graduated and equal. Each of these styles differs in its carat weight. The rings can also be made from various metals such gold, silver, yellow gold or platinum.

Three-stone rings frequently have a slightly curved silhouette that makes them a great pairing for wedding bands or a foundation for a stacked design. You can add other rings such as an eternity band (an ideal choice for a wedding or milestone anniversary), a versatile band ring or a solitaire to contrast minimal pieces with more ornate statements.

The three-stone ring is an iconic accessory that will endure through time. Browse an assorted collection of vintage three-stone rings on 1stDibs, each featuring different gems and wedding-band styles.