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Harakh AGS Certified 2.02 Ct Natural Pigeon Blood Ruby Loose Stone Custom made
By Harakh
Located in New York, NY
high jewelry creations through our atelier, we require a minimum of 4 weeks to create the pieces after
Category

2010s Mozambican Modern Loose Gemstones

Materials

Diamond, Ruby

Harakh 1.04 Ct AGS Certified Natural Pigeon Blood Ruby Loose Stone Custom Made
By Harakh
Located in New York, NY
high jewelry creations through our atelier, we require a minimum of 4 weeks to create the pieces after
Category

2010s Modern Loose Gemstones

Materials

Ruby

1 pc Natural Diamond - 0.29 ct - Round - F - SI2- GIA Certificate
Located in רמת גן, IL
Natural round brilliant diamond in a 0.29 carat F SI2 graded by GIA Laboratory with Excellent cut
Category

2010s Israeli Loose Gemstones

Materials

Diamond

230.25 Carat Carbonado Black Diamond
Located in New York, NY
heirloom in the making. Dimensions: 1-1/8"W x 3/4"D x 1-5/8"H, Weight: 230.25 ct.
Category

2010s Canadian Loose Gemstones

Materials

Black Diamond

230.25 Carat Carbonado Black Diamond
230.25 Carat Carbonado Black Diamond
H 0.02 in W 0.02 in D 0.01 in
4.31ct Pair Cushion Diamond Cut Blue Zircon from Cambodia
Located in Toronto, Ontario
Description: Gem Type: Zircon Number of Stones: 2 Weight: 4.31 cts 2.16 ct/2.16 ct) Measurements
Category

2010s Cambodian Loose Gemstones

Materials

Blue Zircon, Zircon

4.31ct Pair Cushion Diamond Cut Blue Zircon from Cambodia
4.31ct Pair Cushion Diamond Cut Blue Zircon from Cambodia
Free Shipping
W 0.33 in D 0.19 in L 0.24 in
3.86ct Pair Oval Diamond Cut Blue Zircon from Cambodia
Located in Toronto, Ontario
Description: Gem Type: Zircon Number of Stones: 2 Weight: 3.86 cts 1.93 ct/1.93 ct) Measurements
Category

2010s Cambodian Loose Gemstones

Materials

Zircon

3.86ct Pair Oval Diamond Cut Blue Zircon from Cambodia
3.86ct Pair Oval Diamond Cut Blue Zircon from Cambodia
Free Shipping
W 0.36 in D 0.18 in L 0.25 in
3.88ct Pair Square Cushion Diamond Cut Blue Zircon from Cambodia
Located in Toronto, Ontario
Description: Gem Type: Zircon Number of Stones: 2 Weight: 3.88 cts 1.92 ct/1.97 ct) Measurements
Category

2010s Cambodian Loose Gemstones

Materials

Blue Zircon

Antique German Ring 0.3 ct Diamonds solid 14K Gold Platinum Ø8US/ 1.76 gr
Located in SE
of the crown on 14K Greenish Yellow Gold band. Bezel set old diamond cut Diamond Ø 4 mm / 0.25 ct
Category

Vintage 1920s European Art Deco Wedding Rings

Materials

Diamond, 14k Gold, Platinum

Antique Butterfly Brooch Pin 2ct Ruby 1.5 ct Diamond 10K Gold Silver / 3.9gr.
Located in SE
/ ca. 1 ct , second Ruby is of sort of transitional oval / old cushion cut ca. 7.25 mm x 4 .5 mm / ca.1
Category

Antique Mid-18th Century European Renaissance Revival Brooches

Materials

Diamond, Ruby, 10k Gold, Silver

Vintage Retro Ring Opal Diamonds solid 18K Gold ØUS8 / 4 gr
Located in SE
baguette Blue Aquamarine stone measuring 13.5 mm x 9 mm x 5.5 mm deep / about 7 ct. This stone is eye
Category

Vintage 1970s European Retro Cluster Rings

Materials

Diamond, Opal, 18k Gold, White Gold

Men Ring natural 10.5 ct Sapphire Diamonds solid 18K Yellow Gold Size US8 / 13gr
Located in SE
, flanked with 4 diamond cut Diamonds in white Gold clusters. Not hallmarked, metal tested solid 18K Gold
Category

Vintage 1930s European Art Deco Solitaire Rings

Materials

Diamond, Sapphire, Yellow Gold

Antique Ring natural 0.4 ct Ruby Diamonds solid 18K Gold Ø 6US/ 2.7 gr
Located in SE
stones is 10 mm x 7 mm. Ruby Ø 4 mm /ca 0.4 ct with inclusions and internal flaws visible under x 10
Category

Vintage 1920s European Art Deco Cluster Rings

Materials

Diamond, Ruby, Sapphire, 18k Gold

Antique Ring 2ct Sapphire 2.8 ct Diamonds solid 14K Rose Gold Ø 6.5 US /4.9gr
Located in SE
Blue color / 7.75 mm x 6.75 mm x 3.7 mm / ca. 2 ct All diamonds are old diamond cut, gradually sized
Category

Vintage 1920s European Art Deco Cluster Rings

Materials

Diamond, Blue Sapphire, 14k Gold, Rose Gold

Retro Halo 2.25ct Tourmaline Diamonds Ring solid 14K Gold Ø US6.75 / 4 gr
Located in SE
is Ø 8 mm x 4.2 mm deep / 2.25 ct. Six diamond cut Diamonds Ø 1.5 mm / 0.015ct each. Color ca. F, G
Category

Vintage 1960s European Retro Fashion Rings

Materials

Tourmaline, Diamond, 14k Gold

1940 Nordic 4 stones Ring Ruby Diamonds solid 18K Gold Platinum Ø US 7.75 / 1.8g
Located in SE
cut diamonds Ø 1.75 mm / 0.02 ct each. All stones have open backs. The crown measures 12 mm x 5 mm x
Category

Vintage 1940s Swedish Art Deco Cluster Rings

Materials

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

GIA Certified 1.05 ct Platinum Sapphire Ring, Oval Cut Cornflower Blue
Located in Tampa, FL
6/4 set with 36 round brilliant cut diamonds, VS-Si clarity, G-H color with an approximate diamond
Category

2010s Sri Lankan Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1943 Ring 5.5 ct natural Cornflow Blue Sapphire solid 18K Gold Ø US4.75/ 4gr
Located in SE
of oval cut 12 mm x 10 mm x 5.12 mm / ca. 5.5 ct that demonstrates peculiar internal inclusions and
Category

Vintage 1940s Swedish Retro Solitaire Rings

Materials

Diamond, Blue Sapphire, 18k Gold

1920 Anna's Ring natural 0.5 ct Ruby solid 18K Gold US6.25 / 1.35gr
Located in SE
cut natural Red Ruby 5 mm x 4 mm / ca. 0.5 ct. Stone has internal inclusions. Hallmarked 18K ,maker
Category

Vintage 1920s Swedish Art Deco Cluster Rings

Materials

Ruby, 18k Gold

1938 Artur & Lydia Ring natural 1.55 ct Blue Sapphire solid 18K Gold ØUS7/4.4gr
Located in SE
Sapphire of Blue medium depth color, oval diamond cut 8 mm x 6 mm x 2.2 mm / ca. 1.55 ct. Stone
Category

Vintage 1930s Swedish Art Deco Solitaire Rings

Materials

Blue Sapphire, 18k Gold

1829 Nordic Men Unisex Signet Ring Carnelian solid 18K Gold ØUS8.25 / 4 gr
Located in SE
minor scratches only. Firm and secure bezel setting. Stone is 17 mm x 14 mm x 3.6 mm deep / ca.13 ct
Category

Antique 1820s Swedish Aesthetic Movement Signet Rings

Materials

Carnelian, 18k Gold

Natural Purple Lavender Spinel Halo Ring in 18K White Gold Diamond
Located in Kowloon, HK
SPINEL: Purple Lavender ◆ WEIGHT OF SPINEL: 1.58 Ct ◆ WEIGHT OF DIAMOND: 0.413 Ct (38 pcs) ◆ TOTAL WEIGHT
Category

2010s Hong Kong Modern Engagement Rings

Materials

Diamond, Spinel, White Gold

Antique Finish Ring A.Tillander 0.65ct Sapphire 0.7ctw Diamonds Platinum Ø5.5US
Located in SE
diamond cut Diamonds Ø 4 mm x 3.2 mm deep / ca. 0.35 ct each/ color ca F,G / VS, one diamond with small
Category

Vintage 1920s Finnish Art Deco Cluster Rings

Materials

Diamond, Sapphire, Platinum

Antique Austrian Ring natural 0.5ct Sapphire 0.8ctw Diamonds 14KGoldØUS8.5/2.6gr
Located in SE
princess 4 mm x 4 mm x 2.65 mm deep / ca 0.5ct accented with 14 old diamond cut diamonds Ø 2.25mm / ca 0.06
Category

Vintage 1920s Austrian Art Deco Cluster Rings

Materials

Diamond, Blue Sapphire, 14k Gold

Antique Ring 1ctw Diamonds solid Silver Ø US5.5 /2.5 gr
Located in SE
Ø 4 mm x 2.5 mm / 0.3 ct. 22 others of gradual diameters,all rose cut. Total Diamonds weight here
Category

Early 20th Century European Arts and Crafts Cluster Rings

Materials

Diamond, Silver

Vintage British Ring Emerald Diamond solid 18K Gold Ø 7.5US/ 2.1g
Located in SE
natural Emerald cut 5.5 mm x 4 mm / ca. 05 ct flanked with two old diamond cut Diamonds in claws Ø 3.5 mm
Category

Vintage 1950s English Retro Cluster Rings

Materials

Diamond, Emerald, 18k Gold

Antique Alliance Ring Diamonds solid 14K Orange Gold Ø US7.75 /5.7gr
Located in SE
hallmarks. Rhombus shaped clusters in White Gold or Platinum with 4 old diamond cut Diamonds of equal
Category

Vintage 1920s European Retro Solitaire Rings

Materials

Diamond, 14k Gold

Vintage European stud Halo Earrings Rubies Diamonds solid 18K Gold / 2.63 gr
Located in SE
. 1960s -1970s. Two bezel set oval cut natural rosy Red Rubies 4 x 3 mm / ca. 03 ct each, both
Category

Vintage 1960s English Retro Stud Earrings

Materials

Diamond, Ruby, 18k Gold

1917 Sigrid's Ring Diamonds Sapphire 18K Gold Ø US7.5 / 2.47gr
Located in SE
center Old European diamond cut Diamond Ø 3.75 mm / 0.25 ct + Two minor Diamonds of the same cut ca. 2.75
Category

Vintage 1910s Swedish Art Deco Cluster Rings

Materials

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

Vintage European stud Halo Earrings Emeralds Diamonds solid 18K Gold / 2.2 gr
Located in SE
-1970s. Two oval cut natural oval green Emeralds 4 x 3 mm / ca.0.2 ct each, both demonstrate flaws and
Category

Vintage 1970s Danish Retro Dangle Earrings

Materials

Diamond, Emerald, 18k Gold

Antique Ring 0.3ct Diamond solid 18K Gold Silver ØUS 6 / 4gr
Located in SE
, measures Ø 4 mm / ca. 0.3 ct with the back side closed and foiled under. Apparently, the foil is well
Category

Vintage 1930s Swedish Art Nouveau Cluster Rings

Materials

Diamond, Pearl, 18k Gold, Silver

14K White Gold Contemporary Lady Di Ring Blue Sapphire and Diamond
Located in Lexington, KY
to the natural sapphire and diamond so you never have to worry about your large stone coming loose
Category

Early 2000s American Contemporary Fashion Rings

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold

Antique European Ring Diamonds solid 18K Gold Ø 9.75 US / 2.8gr
Located in SE
European cut and 18 rose cut Diamonds. The Crown has inter-twisting bands with a top in Platinum adorned
Category

Vintage 1920s European Art Nouveau Engagement Rings

Materials

Diamond, 18k Gold, Platinum

1929 Nordic Ring 1ctw Diamonds solid 18K Gold Ø 5.5 US /3gr
Located in SE
diamond cut Diamond 6 mm x 4 mm x 2.15 mm / ca. 0.35 ct. There is internal flow inside the stone visible
Category

Vintage 1920s Swedish Art Deco Cluster Rings

Materials

Diamond, 18k Gold

Antique German Ring 0.7ctw Diamonds solid 14K Yellow Gold Silver Ø6.75US/2.55gr
Located in SE
diamonds Ø 2mm / ca.0.04 ct each; 4 diamonds Ø 1.5 mm / ca. 0.02ct each; two rose cut Diamonds on the
Category

Antique Early 1900s German Art Nouveau Cluster Rings

Materials

Diamond, 14k Gold, Silver

Vintage European stud Halo Earrings Rubies Diamonds solid 18K Gold / 2.7 gr
Located in SE
rosy Red Rubies 4. x 3 mm / ca. 025 ct each, both clear and of good transparency and demonstrate
Category

Vintage 1970s European Retro Stud Earrings

Materials

Diamond, Ruby, 18k Gold

Antique Earrings natural 0.8 ctw Diamonds 18K Gold Platinum / 1.85 gr
Located in SE
backs, in fine condition. Two diamond stones Ø 4 mm/ 0.25ct. each + two Ø 3mm / 0.11 ct each + two Ø
Category

Early 20th Century European Art Deco Dangle Earrings

Materials

Diamond, 18k Gold, Platinum

Antique Necklace Natural Pearls Diamonds Emeralds solid 18K Gold /40cm/ 5.6gr
Located in SE
measures 12 mm x 7 mm x 4 mm deep. Largest diamond Ø 4 mm x 2.9 mm / 0.3ct. Two others Ø2.75 mm / ca.0,1 ct
Category

Antique Early 1900s European Art Nouveau Beaded Necklaces

Materials

Emerald, Diamond, Natural Pearl, 18k Gold

1937 Nordic Ring Emerald Diamonds solid 18K Gold ØUS 7.75US / 3.75 gr
Located in SE
mm x 4 mm x 3.2 mm deep /0.5 ct accented with 6 old diamond cut Diamonds Ø 2 mm / 0.03 ct each
Category

Vintage 1930s Swedish Art Deco Solitaire Rings

Materials

Diamond, Emerald, 18k Gold

Antique Ring 1.25ct Emerald 0.5ctw Diamonds solid 18K Gold Silver ØUS4.5 /5.35gr
Located in SE
deep / ca. 1.25 ct, with an open back. Eight Diamonds with closed backs, rose cut ca. Ø 2 mm /0.03 ct
Category

Vintage 1920s European Art Deco Three-Stone Rings

Materials

Diamond, Emerald, 18k Gold, Silver

1918 Antique Halo Ring solid 18KGold 0.66ct Sapphire 0.7ct Diamonds Ø6US/2.4gr
Located in SE
under x 10 magnification. Sapphire measures: Ø 5.5 mm x 3 mm deep / ca. 0.66 ct. 13 Diamonds, all old
Category

Vintage 1910s Swedish Art Deco Cluster Rings

Materials

Sapphire, Diamond, 18k Gold

Antique Ring natural 0.5ct Sapphire Diamonds 18K Gold Platinum ØU7.25 /2.25gr
Located in SE
/ ca. 0.5 ct. and two prong set old diamond cut natural Diamonds Ø 2 mm / ca. 0.06ct each / F,G / VS
Category

Vintage 1920s European Art Deco Three-Stone Rings

Materials

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

Antique Ring 3 Diamonds 1ctw. solid 18K Gold Silver Ø7.5 US /2.9gr
Located in SE
clusters. No hallmarks made ca. 1900s -1920s Largest central oval cut Diamond 5 mm x 4 mm x 3 / 0.5 ct
Category

Antique Early 1900s European Art Nouveau Wedding Rings

Materials

Diamond, Silver, 18k Gold

Antique Art - Deco Ring 1.2ct Sapphire Diamonds solid Platinum ØUS 7.25 /3gr
Located in SE
Beautiful Sapphire + Diamonds + Platinum Ring from 1900s -1920s. All metal parts of this ring are
Category

Vintage 1920s German Art Deco Cluster Rings

Materials

Diamond, Sapphire, Platinum

Antique Thee Stone Ring 0.45ctw Diamonds 14K Yellow Gold Platinum ØUS8.25/3.3gr
Located in SE
tested solid 14K Yellow Gold, hallmarked 585. The Crown is 13 mm x 7.5 mm at axes x 4 mm deep. Three
Category

Vintage 1920s European Art Deco Cluster Rings

Materials

Diamond, 14k Gold, Platinum

1916 Antique Ring 0.36ct Diamond 0.8ctw Sapphire 18K Gold Platinum ØUS5.75/2.5gr
Located in SE
. Crown measures: 13 mm x 5 wide x 4 mm deep with top clusters in Platinum. Old European diamond cut
Category

Vintage 1910s Swedish Art Nouveau Three-Stone Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

Antique Cross Over Ring 0.45ctw. Diamonds Pearl 18K Gold Platinum ØUS7.5 /1.9gr
Located in SE
cut diamonds. Largest Diamond Ø 4 mm x 2.6mm deep /ca.03 ct., 10 minors of gradual diameters of Ø 1.5
Category

Vintage 1910s Swedish Art Nouveau Cluster Rings

Materials

Diamond, Pearl, 18k Gold, Platinum

1916 Nordic Ring 1ctw. Diamonds solid 18K Gold Platinum Ø 6.75US / 2.2gr
Located in SE
Beautiful Antique Art Deco period Ring featuring hand-cut old European diamond cut Diamonds
Category

Vintage 1910s European Art Nouveau Engagement Rings

Materials

Diamond, 18k Gold, Platinum

2.01ct Red Ruby, Diamond Halo Statement or Engagement Ring set in 14k White Gold
Located in Toronto, Ontario
Introducing our breathtaking 2.01ct Red Ruby and Diamond Halo Statement or Engagement Ring, set
Category

2010s North American Contemporary Engagement Rings

Materials

Ruby, Diamond, White Gold

1930 Nordic Ring 5ct Sapphire 0.8ctw Diamonds 18K Gold Platinum Ø7.75US/4.4gr
Located in SE
Nordic Cluster Ring set with claw set oval cut natural untreated Sapphire flanked with 4 old
Category

Vintage 1930s Swedish Art Deco Cluster Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

1987 Vintage Armenian Earrings natural Diamonds 583 /14K Rose White Gold/ 4gr
Located in SE
Diamonds arranged in a very special way. Largest Diamonds 2 x Ø 3 mm /ca. 0.11 ct each and 6 x Ø 1.75 mm
Category

Vintage 1980s Armenian Retro Dangle Earrings

Materials

Diamond, 14k Gold, Rose Gold, White Gold

Antiquee Ring 0.3ct Emerald 0.4ctw Diamonds solid 18K Gold Silver Ø US6.25 /3.2g
Located in SE
. The Crown is 17 mm x 13 mm x 3 mm deep. Natural Emerald of oval diamond cut 5 mm x 4 mm x 3 mm deep
Category

Vintage 1930s European Art Deco Solitaire Rings

Materials

Diamond, Emerald, Silver, 18k Gold

Antique Art Deco Ring 1ct Sapphires Diamonds 14K Gold Platinum Ø US7.25 /2.7gr
Located in SE
Ring in solid 14K Yellow Gold decorated with three medium Blue Sapphires and 4 old diamonds cut
Category

Vintage 1920s European Retro Cluster Rings

Materials

Diamond, Sapphire, 14k Gold, Platinum

Antique Ring 1.25 ctw Diamonds solid 14K Yellow Gold Silver ØUS6.5/ 2.4gr
Located in SE
mm x 4.5 mm x 2.52 deep ca / ca 0.5 ct + two Ø 4 mm x 2.5 mm deep / 0.25ct each ,color ca I,J / VS
Category

Vintage 1920s European Art Deco Cluster Rings

Materials

Diamond, 14k Gold, Yellow Gold, Silver

Antique Halo Ring 0.6ct Sapphire 0.32ct Diamonds solid 18K Gold Ø12.5US/ 7.3 gr
Located in SE
, measures: 5 mm x 4 mm x 3 mm deep / ca. 0.6 ct. 8 Diamonds, all of rose cut circa Ø 2 mm / 0,04 ct each
Category

Early 20th Century European Art Deco Solitaire Rings

Materials

Diamond, Sapphire, Silver, 18k Gold

Antique Ring 0.5ctw Sapphires 1ctw Diamonds solid 18K Green Gold ØUS 7.75 / 4gr
Located in SE
Diamond Ø 4.25 mm x 2.7 mm deep/ ca. 0.35 ct , color ca. F,G / VS . There are also 40 rose cut Diamonds of
Category

Vintage 1920s European Art Deco Cluster Rings

Materials

Diamond, Sapphire, 18k Gold, Platinum

Antique Cluster Ring 0.5ctw Diamonds 18K Yellow Gold Silver Ø US6 /2.2 gr
Located in SE
stones have open backs. Largest stone in the center Ø 4 mm / ca 0.25ct. Eight stones Ø 2 mm / ca 0.04 ct
Category

Antique Early 1900s European Art Nouveau Wedding Rings

Materials

Diamond, 18k Gold, Silver

1932 Finish Three stones Ring 0.7 ctw. Diamonds solid 18KGold Ø US6.25 /2gr
Located in SE
stones. Largest Diamond is a bit off Round cut Ø 4 mm x 3 mm deep / ca. 0.3 ct and two stones on the
Category

Vintage 1930s European Art Nouveau Engagement Rings

Materials

Diamond, 18k Gold

1931 old Ring 1ct Emerald 0.5ctw Diamonds solid 18K Gold Silver ØUS5.5/6.6gr
Located in SE
ct, with open back. Eighteen Diamonds, rose cut ca. Ø 2 mm /0.03 ct each / ca.0.5 ct ctw. All stones
Category

Vintage 1930s Swedish Art Deco Dome Rings

Materials

Diamond, Emerald, 18k Gold, Silver

Antique Russian Ring 0.8 ctw. Diamonds solid 18K Gold Silver ØUS 6 / 4.55gr
Located in SE
mm x 2.75 mm deep / 0.28 ct each + 4 rose cut diamonds Ø 2.25 mm / ca. 0.06 ct each + four rose cuts
Category

Early 20th Century Russian Art Deco Cluster Rings

Materials

Diamond, 18k Gold, Silver

Antique Ring 1ct Sapphire 1 ctw Diamonds solid 14K Rose ØUS 5.5 / 3.4gr
Located in SE
marquise cut natural Blue Sapphire surrounded with 16 old diamond cut Diamonds on the crown and flanked
Category

Early 20th Century European Art Deco Solitaire Rings

Materials

Diamond, Sapphire, Silver, 14k Gold

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Loose Diamonds 4 Ct For Sale on 1stDibs

On 1stDibs, you can find the most appropriate loose diamonds 4 ct for your needs in our varied inventory. Each design created in this style — which was crafted with great care and often made from Gold and Yellow Gold — can elevate any look. In our selection of items, you can find a vintage example as well as a contemporary version. Finding the perfect loose diamonds 4 ct may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. Creating a loose diamonds 4 ct has been a part of the legacy of many jewelers, but those produced by Harakh, Gems and Jewels UK and Antinori Fine Jewels are consistently popular. While most can agree that any loose diamonds 4 ct from our collection can easily elevate most outfits, but the choice of a Diamond version from the 40 available is guaranteed to add a special touch to your ensemble. 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 oval cut and pear cut alternatives. Finding a loose diamonds 4 ct for sale for women should be easy, but there are 36 pieces available to browse for unisex as well as men, too.

How Much is a Loose Diamonds 4 Ct?

On average, a loose diamonds 4 ct at 1stDibs sells for $2,850, while they’re typically $32 on the low end and $110,000 for the highest priced versions of this item.