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ONLINE MARKETPLACE WITH AUCTIONS
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New Arrivals

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1/2 oz Gold Round - Great Seal of California (Rarities Mint) 1/2 oz Gold Round - Great Seal of California (Rarities Mint)
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Brand: Flamenco
1/2 oz Gold Round - Great Seal of California (Rarities Mint)
Product DetailsEach round is proof struck in .999 fine California Gold to commemorate California, which became a state in June 1850. These Gold commem..
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$3,002.00
Ex Tax:$2,500.00
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1.01 Carat Fancy Vivid Yellow Pear Diamond VS2 GIA 1.01 Carat Fancy Vivid Yellow Pear Diamond VS2 GIA
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Brand: Heart.C
1.01 Carat Fancy Vivid Yellow Pear Diamond VS2 GIA
A stunning 1.01 carat pear-shaped diamond in an exceptionally rare Fancy Vivid yellow hue. This GIA-certified stone showcases brilliant saturation and..
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$20,402.00
Ex Tax:$17,000.00
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Pair of Intense Blue sapphires in cushion cut 5.59 carats Pair of Intense Blue sapphires in cushion cut 5.59 carats
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Brand: Square 22
Pair of Intense Blue sapphires in cushion cut 5.59 carats
Weight - 5.59 ctSelection - Matching pairTrade color - Intense BlueCertificate - BellerophonClarity - Eye-cleanOrigin - Sri Lanka (Ceylon)Treatment - ..
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$38,402.00
Ex Tax:$32,000.00
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Ruby 5.46 Garnet Cushion Modified AGL Ruby 5.46 Garnet Cushion Modified AGL
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Brand: Pink & Blu
Ruby 5.46 Garnet Cushion Modified AGL
Carat - Weight 5.46Shape - CushionCertificate - AGLComments - No HeatColor - Brownish Purple PinkSKU - 7138L/W/D (mm) - 10.77-9.24-6.16L/W Ratio - 1.1..
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$6,500.00
Ex Tax:$6,500.00
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Emeralds 2.95 Cushion AGL No Oil Emeralds 2.95 Cushion AGL No Oil
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Brand: Heart.C
Emeralds 2.95 Cushion AGL No Oil
Carat Weight - 2.95Shape - CushionCertificate-  AGLComments - No OilSKU - EM0152L/W/D (mm) - 9.04-8.80-5.57L/W Ratio - 1.03Location - New York..
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$4,500.00
Ex Tax:$4,500.00
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Hermes Herms Niloticus 18K Rose Gold Diamond Bracelet Hermes Herms Niloticus 18K Rose Gold Diamond Bracelet
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Brand: Flamenco
Hermes Herms Niloticus 18K Rose Gold Diamond Bracelet
Pieces from the Hermes Niloticus collection draw inspiration from the sleek, stylish forms that appear organically in nature. This exquisitely crafted..
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$7,000.00
Ex Tax:$7,000.00
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Vintage Gold Link Necklace Tiffany & Co. Vintage Gold Link Necklace Tiffany & Co.
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Brand: Kotlyars
Vintage Gold Link Necklace Tiffany & Co.
Composed of flexible, interlocking links with a high polish finish.Signed Tiffany & Co. Germany18 karat yellow goldTotal weight 73.06 gramsLength ..
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$18,000.00
Ex Tax:$18,000.00
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Cartier White Gold and Sapphire Apollonia Hoop Earclips Cartier White Gold and Sapphire Apollonia Hoop Earclips
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Brand: Kotlyars
Cartier White Gold and Sapphire Apollonia Hoop Earclips
Each hoop channel set with 3 pairs of rectangular sapphires, separated by ribbed yellow and white gold dividers.Sapphires weighing a total of approxim..
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$10,000.00
Ex Tax:$10,000.00
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Silver Bar - Johnson Matthey 100 oz Silver Bar - Johnson Matthey 100 oz
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Brand: Kotlyars
Silver Bar - Johnson Matthey 100 oz
As low as $7.39 per oz over spotThese bars are no longer in production. Johnson Matthey is known worldwide for its high-quality bullion products. Larg..
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$8,122.00
Ex Tax:$8,122.00
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Silver Proof - 2025 Year of the Snake 1oz Silver Proof - 2025 Year of the Snake 1oz
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Brand: Kotlyars
Silver Proof - 2025 Year of the Snake 1oz
Capture the mystique of the Lunar Year of the Snake silver round. Crafted in pure silver, it symbolizes wisdom, intuition, and mystery. Elevate your c..
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$103.00
Ex Tax:$103.00
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Platinum Bar - PAMP Suisse 51.454oz Platinum Bar - PAMP Suisse 51.454oz
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Brand: Kotlyars
Platinum Bar - PAMP Suisse 51.454oz
Only $59.99 per oz over spotThese 50 +/- oz Platinum Bars provide the lowest price over spot for Platinum and prove to be popular with large Platinum ..
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$104.98
Ex Tax:$104.98
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Platinum Bar - Engelhard 1oz Platinum Bar - Engelhard 1oz
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Brand: Kotlyars
Platinum Bar - Engelhard 1oz
Engelhard is one of the top brands in the Precious Metals industry. These prooflike quality bars are popular with investors wanting to diversify their..
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$2,185.00
Ex Tax:$2,185.00
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Kotlyars Live Auction

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Cartier White Gold and Sapphire Apollonia Hoop Earclips Cartier White Gold and Sapphire Apollonia Hoop Earclips
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Brand: Kotlyars Stock: In Stock
Cartier White Gold and Sapphire Apollonia Hoop Earclips
Each hoop channel set with 3 pairs of rectangular sapphires, separated by ribbed yellow and white gold dividers.Sapphires weighing a total of approxim..
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$10,000.00
Ex Tax:$10,000.00
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English school in the manner of Sir Peter Lely (1618-1680) English school in the manner of Sir Peter Lely (1618-1680)
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Brand: Kotlyars Stock: In Stock
English school in the manner of Sir Peter Lely (1618-1680)
English school in the manner of Sir Peter Lely (1618-1680)Oil on canvas Three-quarter length portrait of a lady, seated and holding a floral spra..
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$2,800.00
Ex Tax:$2,800.00
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Diamond Emerald (Natural coloured) GIA 1.05 Carat Diamond Emerald (Natural coloured) GIA 1.05 Carat
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Brand: Kotlyars Stock: In Stock
Diamond Emerald (Natural coloured) GIA 1.05 Carat
Popular emerald cut diamond with a magnificent yellow and orange hues, full with life and sparkle.Graded as VS1 clarity alongside excellent polish and..
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$15,000.00
Ex Tax:$15,000.00
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Diamond Emerald (Natural) GIA 0.51 Carat Diamond Emerald (Natural) GIA 0.51 Carat
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Brand: Kotlyars Stock: In Stock
Diamond Emerald (Natural) GIA 0.51 Carat
0.51 CARAT IGI CERTIFIED NATURAL DIAMONDElegance meets timeless sophistication with this stunning 0.51 carat emerald cut natural diamond. Certified by..
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$2,000.00
Ex Tax:$2,000.00
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Li Chen (taiwanese, b. 1963) - Pure Land Li Chen (taiwanese, b. 1963) - Pure Land
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Brand: Kotlyars Stock: In Stock
Li Chen (taiwanese, b. 1963) - Pure Land
Li Chen (taiwanese, b. 1963) - Pure LandBronze sculpture, signed and edition 94/99 to reverse, cast dated 1998H 28 x W 47 x D 14cmProvenance: Ode to A..
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$18,000.00
Ex Tax:$18,000.00
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Arik Brauer (Vienna 1929 - 2021 Vienna) Arik Brauer (Vienna 1929 - 2021 Vienna)
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Brand: Kotlyars Stock: In Stock
Arik Brauer (Vienna 1929 - 2021 Vienna)
Arik Brauer (Vienna 1929 - 2021 Vienna)Jew's harp as consolation, 1971oil/wood 38,5 x 31 cmsigned Brauer, dated 1971verso inscribed "Maultrommel als T..
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$30,000.00
Ex Tax:$30,000.00
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Emeralds 2.95 Cushion AGL No Oil Emeralds 2.95 Cushion AGL No Oil
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Brand: Heart.C Stock: In Stock
Emeralds 2.95 Cushion AGL No Oil
Carat Weight - 2.95Shape - CushionCertificate-  AGLComments - No OilSKU - EM0152L/W/D (mm) - 9.04-8.80-5.57L/W Ratio - 1.03Location - New York..
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$4,500.00
Ex Tax:$4,500.00
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Ruby 5.46 Garnet Cushion Modified AGL Ruby 5.46 Garnet Cushion Modified AGL
New Free Shipping
Brand: Pink & Blu Stock: In Stock
Ruby 5.46 Garnet Cushion Modified AGL
Carat - Weight 5.46Shape - CushionCertificate - AGLComments - No HeatColor - Brownish Purple PinkSKU - 7138L/W/D (mm) - 10.77-9.24-6.16L/W Ratio - 1.1..
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$6,500.00
Ex Tax:$6,500.00
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Our Sellers

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Every seller on kotlyars.com has been verified and is a trustworthy partner.
Kotlyars
Kotlyars
Wellnes Centere
Wellnes Centere
Flamenco
Flamenco
Pink & Blu
Pink & Blu
Square 22
Square 22
Heart.C
Heart.C

What are people saying about us

Platform has the impressive rating of 4.9 stars from more than 3000 reviews (98% customer satisfaction rate).
Kotlyars made the process of buying gemstones feel clear, secure, and refined. The auction option added excitement without pressure, and the catalog was easy to navigate from the first visit.
- James Whitmore
I appreciated how carefully the items are presented on Kotlyars. The website feels professional, trustworthy, and well structured for buyers interested in gemstones, jewelry, and works of art.
- Eleanor Brooks
The auction experience on Kotlyars was smooth and transparent. It gave me confidence to place a bid and follow the process without confusion.
- Alexander Hayes
Kotlyars combines a premium visual style with practical functionality. Finding gemstones and jewelry was simple, and the auction format made the purchase more engaging.
- Victoria Bennett
The website gives a strong impression of quality and credibility. I especially liked the clear categories and the opportunity to buy selected items through auction.
- Michael Sterling
Kotlyars feels like a modern marketplace with traditional values: attention to detail, trust, and respect for valuable objects. A very pleasant experience for collectors and buyers.
- Charlotte Morgan
I found the platform easy to use and visually elegant. The selection of gemstones, jewelry, and art is presented in a way that feels both professional and exclusive.
- Daniel Reeves
Buying through Kotlyars was comfortable and intuitive. The auction feature is a great addition for anyone looking for unique pieces with a more dynamic purchasing process.
- Olivia Hartwell
Kotlyars offers a polished experience for those who value gemstones, jewelry, and works of art. The website is clear, refined, and built with serious buyers in mind.
- Thomas Grayson
06 Jun Elongated emerald cut diamonds: why choose it for your engagement ring
admin 0 12803
Elongated emerald cut diamonds: why choose it for your engagement ring
If you’re looking for an engagement ring that offers a unique combination of understated elegance, a flattering shape, the illusion of size, stunning ..
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06 Jun May's birthstone: Emerald green with envy
admin 0 5984
May's birthstone: Emerald green with envy
Ever check your horoscope? Then, you may have given thought to what your birthstone says about your personality, too. Truth be told, your birthstone m..
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06 Jun Everything you need to know about carat weight
admin 0 4777
Everything you need to know about carat weight
Did you know that diamonds are weighed in carats (which is different from gold's Karat)? One carat equals 0.2 grams, so a 0.50-carat diamond weighs 0...
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06 Jun Identifying a transitional cut diamond
admin 0 17032
Identifying a transitional cut diamond
“We’re going through a bit of a transition period right now.”Sure, we all understand what this means when it pertains to a restaurant remodel, a big r..
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Get inspired with Kotlyar's

Discover a curated selection of exceptional artworks from around the world. Our art experts carefully source promising pieces and are always ready to assist with appraisal, selection, and acquisition.
UNTITLED, SCULPTURE IN BRONZE, SOMNATH HORE INDIAN UNTITLED, SCULPTURE IN BRONZE, SOMNATH HORE INDIAN
“FEMALE NUDE AND TWO BOYS,” CA. 1900 “FEMALE NUDE AND TWO BOYS,” CA. 1900
“RECLINING FEMALE FIGURE,” EARLY 1950S “RECLINING FEMALE FIGURE,” EARLY 1950S
JEAN ALEXANDRE JOSEPH FALGUIÈRE (FRENCH, 1831-1900) JEAN ALEXANDRE JOSEPH FALGUIÈRE (FRENCH, 1831-1900)
ARISTIDE MAILLOL (FRENCH 1861-1944) ARISTIDE MAILLOL (FRENCH 1861-1944)
MATSCHINSKY-DENNINGHOFF MATSCHINSKY-DENNINGHOFF
AN ART DECO CAST BRONZE AND IVORY FIGURE AN ART DECO CAST BRONZE AND IVORY FIGURE
WOMAN AT THE FISH TANK,” CA. 1900 WOMAN AT THE FISH TANK,” CA. 1900
A MARBLE BUST OF APOLLO, LATE 17TH/EARLY 18TH CENTURY A MARBLE BUST OF APOLLO, LATE 17TH/EARLY 18TH CENTURY
HEDE BÜHL: KOPF HEDE BÜHL: KOPF