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Antique 3 Ct Diamond

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Art Deco Platinum Clip Brooch Amethyst 3 Ct Diamonds Unisex, 1920
Located in Herzelia, Tel Aviv
Art Deco Platinum Clip Brooch Amethyst 3 Ct Diamonds Unisex, 1920 This is a stunning Art Deco clip
Category

1920s Art Deco Antique 3 Ct Diamond

Materials

Amethyst, Diamond, Platinum

Certified 3, 65 Ct Natural Untreated Sapphires and Diamonds Drop Earrings
Located in București, B
have, surrounding the sapphires, channel prong set round brilliant diamonds that are 0.40 carats total
Category

Early 19th Century Romanian Art Nouveau Antique 3 Ct Diamond

Materials

Diamond, Sapphire, 14k Gold

Georgian 2.0 Ct Natural Sapphire 2.40 Ct Diamond Ring
Located in Napoli, IT
overwhelmed by antique Flemish cut Diamonds for a total estimate of 2.40 Ct full of sparkle surrounding a
Category

Late 18th Century European Georgian Antique 3 Ct Diamond

Materials

Diamond, Sapphire, Gold

Art Deco 1.60 Ct Sapphire 1.40 Ct Diamond Platinum ring
Located in Napoli, IT
totalling approx 1.60 Ct – 3 rectangular and 10 old mine cut diamonds totalling approx 1.40 Ct (G-VVS/SI) UK
Category

1920s European Art Deco Antique 3 Ct Diamond

Materials

Diamond, Sapphire, Platinum

Art Nouveau 1.90 Ct Natural Sapphire 1.30 Ct Diamond Ring
Located in Napoli, IT
1.90 Ct (8 x 6 mm.) – 20 transiitonal diamonds totalling approx 1.30 Ct (G/H – VVS/VS) UK size: O 3/4
Category

Early 20th Century European Art Nouveau Antique 3 Ct Diamond

Materials

Diamond, Sapphire, 18k Gold, Platinum

15.00 Ct Untreated Tourmaline 3.00 Ct Mine antique Diamond Ring
Located in Napoli, IT
old mine cut diamonds totaling approx 3.0 Ct (G/I-VVS/I) UK size: N 3/4 US size: 7 Measures: head is
Category

Late 19th Century European Victorian Antique 3 Ct Diamond

Materials

Diamond, Tourmaline, 18k Gold, Silver

Victorian 1.0 Ct. Diamond 1.0 Ct. Sapphire Five Stone Ring
Located in Napoli, IT
use Metal: 18 Kt yellow gold Hallmarks: assay Gems: 3 old mine cut diamonds totalling approx 1.00 CT
Category

Late 19th Century European Victorian Antique 3 Ct Diamond

Materials

Diamond, Sapphire, 18k Gold

Victorian 3.20 Ct Natural Turquoise 1.40 Ct Diamond 18 Kt Ring
Located in Napoli, IT
past beauty surrounded by a Diamond halo Turquoise is 3. 20 Ct measuring 10.6x 8.6 mm Diamond frame
Category

Late 19th Century European Victorian Antique 3 Ct Diamond

Materials

Diamond, Turquoise, 18k Gold

Edwardian 6.00 Ct Harlequin Opal 1.80 Ct Diamond 18 KT Pendant
Located in Napoli, IT
exceptional sparkle 3 old European cut diamonds totalling approx 1.10 Ct (G/H-VS/SI) – 23 old mine cut
Category

Early 20th Century European Edwardian Antique 3 Ct Diamond

Materials

Diamond, Opal, 18k Gold, 9k Gold, Platinum

Antique Edwardian 6.00 Ct Harlequin Opal 1.80 Ct Diamond 18 KT Pendant
Edwardian 6.00 Ct Harlequin Opal 1.80 Ct Diamond 18 KT Pendant
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H 1.89 in W 0.56 in L 17.92 in
Edwardian .85 Ct Diamond .35 Ct Sapphire 18 KT Platinum Ring
Located in Napoli, IT
distinction and character Diamonds are old mine cut . 60 C. total with a .25 Ct the centre – G VVS/VS – high
Category

Early 1900s European Edwardian Antique 3 Ct Diamond

Materials

Diamond, Sapphire, 18k Gold, Platinum

Victorian 1.00 Ct Natural Ruby 1.60 Ct Diamond 18 KT ring
Located in Napoli, IT
big amount of white sparkle, approx 1.60 Ct of Diamond content – rated G VVS/SI Centrally set with a
Category

Late 19th Century European Victorian Antique 3 Ct Diamond

Materials

Diamond, Ruby, 18k Gold

Victorian 1.55 Ct Natural Ruby .40 Ct Old Diamond 18 KT Ring
Located in Napoli, IT
: 3 oval faceted cut natural rubies totalling approx 1.40 Ct – 2 old European cut diamonds totalling
Category

Late 19th Century British Victorian Antique 3 Ct Diamond

Materials

Diamond, Ruby, 18k Gold

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 Antique 3 Ct Diamond

Materials

Diamond, Imperial Topaz, 18k Gold, Platinum

Edwardian 1.00 Ct Diamond Platinum Panel ring
Located in Napoli, IT
bordered with major sparkle of rose cut Diamonds Approx .75 Ct the main three Diamonds (.20 – .35 – .20) -G
Category

Early 1900s European Edwardian Antique 3 Ct Diamond

Materials

Diamond, Platinum

Antique 4.10 Ct Diamond Platinum Gold Earrings
Located in Chicago, IL
hang freely and are meant to dangle when worn. Estimated total diamond weight is 4.10 ct. Approximate
Category

Early 20th Century Art Deco Antique 3 Ct Diamond

Materials

Diamond, Gold, Platinum

Edwardian 8.50 Ct Diamond Drop Platinum Necklace
Located in Napoli, IT
Historical workmanship Set throughout with approx 8.50 Ct of Diamonds varying in sizes to fit the design
Category

Early 1900s European Edwardian Antique 3 Ct Diamond

Materials

Diamond, Platinum

Edwardian 8.50 Ct Diamond Drop Platinum Necklace
Edwardian 8.50 Ct Diamond Drop Platinum Necklace
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H 4.73 in W 1.19 in L 15.95 in
Victorian 2.40 Ct. Diamond Shamrock 18 Kt bangle
Located in Napoli, IT
gold, tested Hallmarks: none/worn Gems: 3 old European cut diamonds totalling approx .80 Ct (G-VS/SI
Category

1880s European Victorian Antique 3 Ct Diamond

Materials

Diamond, 18k Gold

Victorian 2.40 Ct. Diamond Shamrock 18 Kt bangle
Victorian 2.40 Ct. Diamond Shamrock 18 Kt bangle
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H 0.63 in W 1.78 in
A Belle Epoque .90 Ct Diamond Panel Ring
Located in Napoli, IT
European cut of .40 Ct H VVS with further .50 Ct of little Diamonds spreading along the lines TCW is .90 Ct
Category

Early 20th Century European Belle Époque Antique 3 Ct Diamond

Materials

Diamond, 18k Gold

Georgian 2.0 Ct rare Pointed Diamond Solitaire Plus
Located in Napoli, IT
. – estimated on mounting) – 2 table cut diamonds totalling approx .50 Ct UK size: S 3/4 US size: 9.5 Measures
Category

Mid-18th Century European Antique 3 Ct Diamond

Materials

Diamond, Gold

Belle Epoque 1.80 Ct. Diamond Plus Platinum ring
Located in Napoli, IT
brilliant and 2 Swiss cut diamonds totalling approx .90 Ct UK size: M 3/4 US size: 6.5 Measures: head is 16
Category

Early 20th Century European Belle Époque Antique 3 Ct Diamond

Materials

Diamond, Platinum

Antique 7.88 Ct Old Cut Diamond Drop Earrings
Located in Chicago, IL
by two old European cut diamonds (approximately 0.85 ct total weight, VS1 and SI2 clarity, H-I color
Category

Early 20th Century Victorian Antique 3 Ct Diamond

Materials

Diamond, 14k Gold, Silver

Edwardian 4.70 CT Natural Aquamarine Diamond Rare Ring
Located in Napoli, IT
(13.20 mm. x 9.75 mm.) – 4 rose cut diamonds totalling approx .10 Ct UK size: Q 3/4 US size: 8.5 Measures
Category

Early 1900s European Edwardian Antique 3 Ct Diamond

Materials

Aquamarine, Diamond, 14k Gold, Silver

Antique Russian 2.24 Ct Diamond Enamel Gold Unisex Ring
Located in Chicago, IL
and the border of small diamonds make the center stone visually bigger (more like 3 ct+). The diamond
Category

1860s Russian Antique 3 Ct Diamond

Materials

Diamond, White Diamond, Blue Diamond, Gold, 14k Gold, Yellow Gold, Enamel

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

Late 19th Century European Late Victorian Antique 3 Ct Diamond

Materials

Diamond, Tourmaline, 18k Gold, Silver

Art Deco 11.80 Ct Diamond Platinum Wide Panel Bracelet
Located in Napoli, IT
Diamonds throughout, here are in details: 3 transitional brilliant cut diamonds of .55 Ct – .70 Ct – .55 Ct
Category

Early 20th Century European Art Deco Antique 3 Ct Diamond

Materials

Diamond, Platinum

Edwardian 3.02 Ct Old Cut Diamond Three Stone ring
Located in Napoli, IT
/worn Gems: 3 old European diamonds totaling approx 3.02 Ct (J/I agd 5.65 ,80 Ct – J/SI agd 6.5 1.40 Ct
Category

Early 1900s European Edwardian Antique 3 Ct Diamond

Materials

Diamond, 18k Gold

Edwardian 1.40 Ct Diamond Barrette Hair Clip 18 KT
Located in Napoli, IT
hair Set with 1.40 Ct of old mine cut Diamonds, the three bigger are .60 CT, Diamonds rated as G/H VVS
Category

Early 1900s European Edwardian Antique 3 Ct Diamond

Materials

Diamond, 18k Gold, Silver

Victorian 1.50 Ct Diamond Double Row 18 Kt Ring
Located in Napoli, IT
/worn Gems: 12 old mine cut diamonded totalling approx 1.50 Ct (H/I-VVS/SI) UK size: N 3/4 US size: 7
Category

1880s European Victorian Antique 3 Ct Diamond

Materials

Diamond, 18k Gold

Victorian 1.40 Ct Old Diamond Cut Navette French ring
Located in Napoli, IT
old mine and 6 rose cut diamonds totalling approx 1.20 CT (G/I-VVS/SI) UK size: M 3/4 US size: 6.5
Category

1880s French Victorian Antique 3 Ct Diamond

Materials

Diamond, 18k Gold

Victorian Natural Turquoise 2.40 Ct Diamond Rare Drop earrings
Located in Napoli, IT
. average, surrounded by 2.40 CT of old mine cut Diamonds 24 in number providing the most lovely sparkle
Category

Late 19th Century European Antique 3 Ct Diamond

Materials

Diamond, Turquoise, 18k Gold

Victorian .98 Ct Ruby Diamond 18 Kt Trilogy Ring
Located in Napoli, IT
old European cut diamonds totalling approx .50 Ct (F/G-VVS) – 6 rose cut diamonds accent UK size: N 3
Category

Late 19th Century British Victorian Antique 3 Ct Diamond

Materials

Diamond, Ruby, 18k Gold

Art Deco Three Stone Twisted Ring 1.25 Ct Diamond
Located in Napoli, IT
Gems: 3 old European cut diamonds totalling approx .75 Ct (.20 .35 .20 G/H-VVS/VS) – 10 old mine cut
Category

1920s European Art Deco Antique 3 Ct Diamond

Materials

Diamond, 18k Gold, Platinum

Antique Biedermeir 5.00 Ct Diamond Winged Cherub Brooch Pendant
Located in Napoli, IT
cushion cut and 23 rose cut diamonds totalling approx 5.00 Ct (G/H-VVS/VS) Measures: 37 x 30 mm. (h. x w
Category

Early 19th Century Austrian Georgian Antique 3 Ct Diamond

Materials

Diamond, 18k Gold

Victorian 1.0 Ct Old Mine Diamond Natural Pearl Ring
Located in Napoli, IT
cut diamonds totalling approx 1.00 Ct (G- VVS/SI) UK size: I 3/4 US size: 4.75 Measures: 15 mm. at the
Category

1870s European Victorian Antique 3 Ct Diamond

Materials

Diamond, Natural Pearl, 18k Gold

Edwardian 11.05 Ct natural blue zircon and diamond ring
Located in Napoli, IT
vivid Blue top colour , same brilliance and colour of a cushion Diamond, as big as 11.05 Ct! Nestled
Category

Early 20th Century European Edwardian Antique 3 Ct Diamond

Materials

Diamond, Zircon, Blue Zircon, 18k Gold, Platinum

2.73 ct GIA Old Mine Cut Diamond Platinum Ring
Located in San Francisco, CA
Diamond (GIA M/VS2) set in its original platinum mounting. The center stone is flanked by 3 diamonds on
Category

1890s Unknown Antique 3 Ct Diamond

Materials

Diamond, Platinum

Art Deco 1.97 Ct Three Stone Diamond Platinum Engagement Ring
Located in Napoli, IT
early brilliant cut diamonds totaling approx 1.97 Ct (G/H-VVS/VS1) ,50 Ct– .92 Ct – .55 Ct) (5.27 mm
Category

1920s Italian Art Deco Antique 3 Ct Diamond

Materials

Diamond, Platinum

Art Deco 1.20 Ct Emerald Cut Diamond Solitaire Platinum Ring
Located in Napoli, IT
Diamond is bright white full of sparkle, beautiful in cut, estimate 1.20 Ct. measuring 6.96 mm. x 5.33 mm
Category

1920s European Art Deco Antique 3 Ct Diamond

Materials

Diamond, Platinum

Art Deco .85 Ct Diamond Wide Band 18 KT Ring
Located in Napoli, IT
Hallmarks: none/worn Gems: 3 old mine cut diamonds totalling approx .55 Ct – 16 rose cut diamonds totalling
Category

1920s European Art Deco Antique 3 Ct Diamond

Materials

Diamond, 18k Gold

Art Nouveau 2.65 Ct Diamond 18KT Gold Platinum Brooch Pendant
Located in Napoli, IT
old mine cut diamond of approx .60 Ct (G/VVS) – 3 old mine cut diamonds totalling approx 1.25 Ct (G/H
Category

Late 19th Century European Art Nouveau Antique 3 Ct Diamond

Materials

Diamond, Gold, 18k Gold, Platinum

Edwardian Certified 8.5 mm. Natural Pearl 1.35 Ct Diamond Ring
Located in Napoli, IT
pearl of 8.4 x 8.5 mm – 17 old European cut diamonds totaling approx 1.35 Ct (G/H-VVS/SI) UK size: M 3/4
Category

Early 1900s European Edwardian Antique 3 Ct Diamond

Materials

Diamond, Natural Pearl, 18k Gold

Victorian 2.30 Ct Old Diamond Cut 14 KT Gold ring
Located in Napoli, IT
hosts three bright white main old mine cushion cut Diamonds totaling 1.70 Ct disposed in the a claw
Category

Late 19th Century European Late Victorian Antique 3 Ct Diamond

Materials

Diamond, 14k Gold

Victorian 25.90 Ct Chrysoberyl Cat's Eye 3.30 Diamond Rare ring
Located in Napoli, IT
cut diamonds totaling approx 3,30 Ct (H/I-VVS/SI) UK size: I 3/4 US size: 4.75 Measures: head is 34 x
Category

Late 19th Century European Victorian Antique 3 Ct Diamond

Materials

Chrysoberyl, Diamond, 22k Gold

Victorian 1.80 CT Diamond Natural Pearls Winged Heart Brooch/Pendant
Located in Napoli, IT
from 3 mm. to 4.4 mm. – 35 old mine cut diamonds totaling approx 1.80 Ct G/I-VS/SI Measures: 25 x 31 mm
Category

1880s European Victorian Antique 3 Ct Diamond

Materials

Diamond, Natural Pearl, 15k Gold, Silver

Art Nouveau 2.25 Ct Solid Australian Opal Diamond Tiara Ring
Located in Napoli, IT
cut diamonds totalling approx .35 Ct (G/H-VS/SI) UK size: M 3/4 US size: 6.5 Measures: head is 16 mm
Category

Early 20th Century European Art Nouveau Antique 3 Ct Diamond

Materials

Diamond, Opal, 18k Gold

Edwardian Natural Pearl .85 Ct Mine Cut Diamond Rare ring
Located in Napoli, IT
,. In diameter (average) – 18 old mine cut diamonds totalling approx .85 Ct (G/H-VVS/VS) UK size: M 3/4
Category

Early 1900s European Edwardian Antique 3 Ct Diamond

Materials

Diamond, Natural Pearl, 18k Gold, Silver

EGL Certified 1.19 Ct Solitaire Art Deco Diamond Engagement Ring
Located in Santa Barbara, CA
alluring sparkle only the old "romance stones" provide. Flanked with 3 baguette cut diamonds on each side
Category

1920s Art Deco Antique 3 Ct Diamond

Materials

Diamond, Platinum

Art Deco 2.10 Ct Old Mine Diamond Seven Stone Platinum Ring
Located in Napoli, IT
cut, true collectable Centre Diamond is .90 CT (H/SI 5.4 x 4.8 mm.) side Diamonds are 1.20 Ct more
Category

1920s European Art Deco Antique 3 Ct Diamond

Materials

Diamond, Platinum

Vintage Style 6.0 Ct. Ruby Red Fire Opal Diamond Solitaire ring
Located in Napoli, IT
, approx . 20 Ct of Diamonds between Swiss and brilliant cut, G/H VVS/SI Crown is 15 mm. X 13 mm. (h. x w
Category

1880s European Contemporary Antique 3 Ct Diamond

Materials

Diamond, Opal, Fire Opal, 18k Gold

Art Deco Triple Strand Pearl 3.60 Ct Diamond Clasp Rare Necklace
Located in Napoli, IT
hand crafted of solid 18 Kt gold, Diamonds are 3.60 Ct rated F/G VVS giving a stunning clasp complement
Category

1920s European Art Deco Antique 3 Ct Diamond

Materials

Diamond, Pearl, 18k Gold

Edwardian 12 MM. Natural Split Pearl 1.60 Ct Diamond Engagement Ring
Located in Napoli, IT
with unbelievable lustre within a garland of old mine cut Diamonds – approx 1.60 Ct G/H – VVS to SI
Category

Early 1900s European Edwardian Antique 3 Ct Diamond

Materials

Diamond, Pearl, Platinum, 18k Gold

Victorian Five Stone 1.80 Ct. Diamond Natural Pearl Half Hoop ring
Located in Napoli, IT
2 old mine cut Diamonds of 1.80 Ct for both stones – superb chunky cut and true quality– rated G VVS
Category

1880s European Victorian Antique 3 Ct Diamond

Materials

Diamond, Natural Pearl, 18k Gold

Victorian Natural Pearl 4.60 Ct Old Mine Cut Diamond Brooch Pendant
Located in Napoli, IT
overwhelming Diamond sparkle is made by an opulent set of 4.60 Ct TCW H to J-VVS to I Centre Pearl is natural
Category

1860s European Victorian Antique 3 Ct Diamond

Materials

Diamond, Natural Pearl, 18k Gold, Silver

19th Century Heart Carved Moonstone 1.40 Ct Diamond Pearl Pendant Brooch Chain
Located in Napoli, IT
diamonds totaling approx 1.40 CT (G-VVS/SI) – 28 natural not nucleated salt water peals of 3 mm. in
Category

1860s European Victorian Antique 3 Ct Diamond

Materials

Diamond, Moonstone, Pearl, 10k Gold, Silver

Art Deco 1.5 ct Diamond and Enamel Jockey Platinum Brooch circa 1920
Located in Goettingen, DE
Art Deco 1.5 ct Diamond and Enamel Jockey Platinum Brooch, circa 1920 This rare diamond brooch in
Category

1920s German Art Deco Antique 3 Ct Diamond

Materials

Diamond, Platinum, Enamel

Victorian 2.20 Ct Old Cut Diamond 18 KT Openwork Large Hearth Pendant
Located in Napoli, IT
diamonds totalling approx 2.20 Ct (G/I-VVS/SI) – 3 coloured paste gems accent Measures: 43 x 33 (h. x w
Category

1870s European Victorian Antique 3 Ct Diamond

Materials

Diamond, 18k Gold, Silver

Victorian 2 ct Old Mine Cut Diamond Engagement Ring 18k Gold & Plat
Located in Joelton, TN
2.ct Old Mine Cut Victorian Diamond Engagement Ring. Clarity VS1-2, Color I-K Size 7 3/4 Circa
Category

Late 19th Century English Late Victorian Antique 3 Ct Diamond

Materials

Diamond, Yellow Gold, 18k Gold, Platinum

Art Deco 1.05 Ct Diamond G VVS 18 Kt Platinum Navette Ring
Located in Napoli, IT
: none/worn Gems: 3 brilliant cut diamonds totalling approx .65 Ct (G/VVS) – 12 round cut diamonds
Category

1920s Art Deco Antique 3 Ct Diamond

Materials

Diamond, 18k Gold, Platinum

Victorian Rare Turquoise .40 Ct Old Mine Diamond 18 KT Locket Pendant
Located in Napoli, IT
Centring an old mine cut Diamond of .40 Ct of deep chunky cut rated H colour VS/SI for what we can see
Category

Late 19th Century European Victorian Antique 3 Ct Diamond

Materials

Diamond, Turquoise, 18k Gold

Art Deco Diamond & Blue Sapphire 3 Stone Engagement Ring
Located in Santa Barbara, CA
fireball shooting sparkles everywhere, the old European cut diamond weighing 0.86 ct set in an octagon
Category

1910s Art Deco Antique 3 Ct Diamond

Materials

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

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Antique 3 Ct Diamond For Sale on 1stDibs

Find the exact antique 3 ct diamond you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, Yellow Gold and 18k Gold, this item was constructed with great care. In our selection of items, you can find a vintage example as well as a contemporary version. Finding the perfect antique 3 ct diamond 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. Finding an appealing antique 3 ct diamond — no matter the origin — is easy, but LB Exclusive, Alberto and August Hollming each produced a popular version that is worth a look. Today, if you’re looking for an old european cut version of this piece and are unable to find the perfect match, our selection also includes round cut and antique cushion cut alternatives. There aren’t many items for men if you’re seeking an antique 3 ct diamond, as most of the options available are for women and unisex.

How Much is a Antique 3 Ct Diamond?

Prices for an antique 3 ct diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $842 and can go as high as $251,078, while this accessory, on average, fetches $4,127.