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Cobalt Spinel

1.98 Carat Natural Blue Cobalt Spinel from Burma
Located in Hua Hin, TH
1.98 Carat Natural Blue Cobalt Spinel from Burma Dimension: 7.68 x 6.35 x 5.28 mm Shape: Oval Cut
Category

2010s Burmese Loose Gemstones

Materials

Spinel

GEMCOOK JEWELLERY 1.04ct Cobalt Spinel Blue Flower Ring
Located in Bangkok, TH
GEMCOOK JEWELLERY 1.04ct Cobalt Spinel Blue Flower Ring1.04ct Charming cobalt blue~ A circle of
Category

2010s Chinese Arts and Crafts Cocktail Rings

Materials

Spinel

GRS Certified 2.23 Cts Cobalt Spinel & Diamond Cocktail Ring. Collector's Item.
Located in Hong Kong, HK
Please check out the HD video! Here is a super rare natural Cobalt Spinel and diamond ring. The
Category

2010s Hong Kong Contemporary Cocktail Rings

Materials

Spinel, Diamond, White Diamond, 18k Gold, White Gold, Gold

14 Karat White Gold Round Natural Blue Cobalt Spinel Eternity Band
Located in Houston, TX
This 14 karat white gold eternity band features fifteen round french set bright blue natural cobalt
Category

21st Century and Contemporary North American Band Rings

Materials

Spinel, Gold, 14k Gold, White Gold

GFCO Certified Natural 2.40Ct Blue Cobalt Spinel gemstone, Origin Tanzania.
By GRALJEWELRY
Located in Daugavpils, LV
Natural Blue Cobalt Spinel gemstone GFCO Laboratory certified Gemstone Color: Blue Gemstone Type
Category

21st Century and Contemporary Tanzanian Loose Gemstones

Materials

Spinel

Natural blue Cobalt Spinel loose gemstone 2.67 ct., heart cut, Origin Tanzania
By GRALJEWELRY
Located in Daugavpils, LV
Natural blue cobalt Spinel gemstone Laboratory certified GFCO Gemstone Color: Vivid blue Gemstone
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Natural Blue Vietnamese Cobalt Spinel Gemstone 0.54 carats with GIA Report
Located in Los Angeles, CA
beauty of nature's finest creations. Identification: Natural Vietnamese Cobalt Blue Spinel • Carat
Category

21st Century and Contemporary Vietnamese Modern Loose Gemstones

Materials

Spinel

Gia Certified Cobalt Blue Spinel Natural 0.66ct Vivid Pear Teardrop Cut Rare Gem
By Gems and Jewels UK
Located in Birmingham, GB
Gia Certified Cobalt Blue Spinel Natural 0.66ct Vivid Pear Teardrop Cut Rare Gem GIA Certified
Category

21st Century and Contemporary More Jewelry

Materials

Spinel

GIA Certified 1.02 Carat Cobalt Blue Spinel Ring
Located in Ben Lomond, CA
This cobalt blue spinel ring features a round cut over 1 carat, offering a rare and stunning
Category

2010s American Contemporary Engagement Rings

Materials

Spinel, Diamond, White Gold, 18k Gold

GIA Certified 1.77 carats Cobalt Blue Spinel Stone Brilliant Cut Natural Gem
Located in Bangkok, TH
Shape octagon Cut Brilliant Cut This GIA Certified Cobalt Blue Spinel weighs 1.77 carats and
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Spinel

NEW Platinum 1.89ctw GIA NO HEAT Cushion Blue Spinel Brilliant Diamond Halo Ring
Located in Montclair, NJ
! --Stone(s):-- (1) Natural Genuine Spinel - Cushion Brilliant Cut - Prong Set - Rare Cobalt Blue Color - NO
Category

2010s American Engagement Rings

Materials

Diamond, Spinel, Platinum

Lovely Cobalt Blue Natural Spinel 1.22 Carats Spinel Gemstones Spinel Jewelry
Located in Bangkok, TH
Lovely Cobalt Blue Natural Spinel of 1.22 carats from Sri lanka has a wonderful cut in a Oval shape
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

2.06 Carat Cobalt Blue Ceylon Spinel
Located in Hua Hin, TH
2.06 Carat Natural Cobalt Blue Spinel from Sri Lanka (Ceylon) Dimension: 7.71 x 6.30 x 5.27 mm
Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

2.06 Carat Cobalt Blue Ceylon Spinel
2.06 Carat Cobalt Blue Ceylon Spinel
W 0.25 in D 0.21 in L 0.31 in
GIL Certified 1.91 Carat Cobalt Blue Natural Spinel from Burma
Located in Hua Hin, TH
GIL Certified 1.91 carat Cobalt Blue Natural Spinel from Burma Weight: 1.91 Carat Dimension: 7.66 x
Category

2010s Burmese Loose Gemstones

Materials

Spinel

GIL Certified 1.79 Carat Cobalt Blue Natural Spinel from Burma Untreated
Located in Hua Hin, TH
GIL Certified 1.79 Carat Cobalt Blue Natural Spinel from Burma Dimension: 7.84 x 6.32 x 4.59 mm
Category

2010s Burmese Loose Gemstones

Materials

Spinel

Spinel Cobalt Blue 3.25 Ct. Natural gemstone, Cushion, Tanzania, GFCO certified
By GRALJEWELRY
Located in Daugavpils, LV
Natural Cobalt Blue Spinel Loose gemstone Origin Tanzania! Laboratory certified GFCO Gemstone
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Spinel Cobalt Blue 3.04Ct natural gemstone, Oval cut, Tanzania, GFCO certified
By GRALJEWELRY
Located in Daugavpils, LV
Natural Cobalt Blue Spinel Loose gemstone Origin Tanzania! Laboratory certified GFCO Gemstone
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

GIL Certified 2.12 Carat Cobalt Blue Spinel from Burma No Heat
Located in Hua Hin, TH
GIL Certified 2.12 carat Cobalt Blue Spinel from Burma No Heat Dimension: 7.00 x 7.56 x 4.79 mm
Category

2010s Burmese Loose Gemstones

Materials

Spinel

Natural Cobalt Blue spinel High quality, 2.00 Ct. Lose gemstone, Cushion cut
By GRALJEWELRY
Located in Daugavpils, LV
Natural Cobalt Blue spinel High quality, 2.00 Ct. Lose gemstone, Cushion cut, Certificate GFCO
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Spectra Fine Jewelry 8.46 Carat Certified Cobalt Blue Spinel Diamond Ring
By Spectra Fine Jewelry
Located in New York, NY
Presenting this magnificent 8.46-carat Cobalt Blue Spinel Ring by Spectra Fine Jewelry. Its cushion
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, Spinel, Platinum

Cobalt Blue Spinel Ring Gem 3.07 Carat Mahenge Tanzania Oval Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Supreme 3.07-Carat Cobalt Blue Spinel – A Masterpiece for Custom Jewelry Design By Merkaba Beverly
Category

21st Century and Contemporary Tanzanian Contemporary Engagement Rings

Materials

Spinel

Bezel Set Cobalt Blue Spinel and Round Diamonds by the Yard Necklace
Located in Houston, TX
This diamond by the yard style necklace features bezel set bright blue round spinels alternating
Category

21st Century and Contemporary American Chain Necklaces

Materials

Diamond, Spinel, Gold, 14k Gold, White Gold

Certified Unheated Cobalt Blue Spinel with Diamond Ring in 18K White Gold
Located in Bangkok, TH
Blue Spinel 3.04 carats with Diamond 0.34 carat Ring set in 18 Karat White Gold Settings (GFCO Gem
Category

2010s Thai Contemporary Solitaire Rings

Materials

Diamond, Spinel, 18k Gold, White Gold

12.23 Carat Total Weight Bright Cobalt Blue Spinel 18 Karat White Gold Bracelet
Located in Houston, TX
bright cobalt blue spinels set in 18 karat white gold. Wear alone for a statement or layer with your
Category

21st Century and Contemporary American Tennis Bracelets

Materials

Spinel, Gold, 18k Gold, White Gold

1.16 Carat Natural Violet Ceylon Spinel
Located in Hua Hin, TH
1.16 Carat Natural Cobalt Blue Spinel from Sri Lanka (Ceylon) Dimension: 6.86 x 5.38 x 3.54 mm
Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

1.16 Carat Natural Violet Ceylon Spinel
1.16 Carat Natural Violet Ceylon Spinel
W 0.22 in D 0.14 in L 0.28 in
1950s Robert Levy 'Originals by Robert' Hand-Blown Glass & Black Spinel Necklace
By Original by Robert
Located in Maywood, NJ
Hand-blown glass cobalt beads and black spinel beads are hand strung in this statement piece from
Category

Vintage 1950s American Art Nouveau Beaded Necklaces

Materials

Spinel, Black Spinel

Martin Mayer, Jugendstil Spinel & Diamond Gold Bar Brooch, Germany, C.1900
Located in Chatham, CA
MARTIN MAYER - Jugendstil cabochon cobalt blue Spinel (approx. .51 carats - 5 x 3.5 x 3 mm.) and
Category

Early 20th Century German Jugendstil Brooches

Materials

Diamond, Spinel, Gold, 18k Gold, Yellow Gold, Platinum

Recent Sales

18 Karat White Gold Blue Cobalt Spinel Ring with Black and White Diamonds
By Niquesa
Located in London, GB
, surrounded by a glittering pave' of black and white diamonds Details Blue Cobalt Spinel Cocktail Ring - 18
Category

21st Century and Contemporary Italian Contemporary Cocktail Rings

Materials

Black Diamond, White Diamond, Spinel, White Gold, 18k Gold

Grs & Gil Certified Cobalt Blue Spinel and Diamond Ring
Located in Hung Hom, HK
Among all Rare Blue Gemstones, the Cobalt Spinel possesses unique beauty factors such as sparkle
Category

2010s Tanzanian Fashion Rings

Materials

Spinel, Diamond, White Gold, 18k Gold, Gold

Glossy Pink Burmese Spinel 1.0 carats Emerald Cut Natural Loose Gemstone
Located in Bangkok, TH
radiance. spinel spinel gem pink spinel mahenge spinel cobalt spinel jedi spinel spinel price spinel
Category

21st Century and Contemporary Tajikistani Modern Loose Gemstones

Materials

Spinel

Excellent Cobalt Blue Loose Spinel Gem 1.80 CTS Buy Spinel Gemstone Spinel Ring
Located in Bangkok, TH
Excellent Cobalt Blue Loose Spinel Gem of 1.80 carats from Sri lanka has a wonderful cut in a
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

Fantastic Cobalt Blue Spinel Gemstone 1.04 Carats Aig Certified Spinel Burma
Located in Bangkok, TH
Fantastic Cobalt Blue Spinel Gemstone, Available For Sale At Wholesale Price Natural High Quality
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

Precious Cobalt Blue Natural Spinel Stone 1.05 Carats AIG Certified Spinel
Located in Bangkok, TH
Precious Cobalt Blue Natural Spinel Stone, Available For Sale At Wholesale Price Natural High
Category

21st Century and Contemporary Sri Lankan Modern Loose Gemstones

Materials

Spinel

3.69 carats Cobalt Blue Spinel Stone Oval Mixed Cut Natural Tanzanian Gemstone
Located in Bangkok, TH
Cobalt Blue Spinel takes center stage, showcasing its allure through a Mixed Oval Cut. Originating from
Category

21st Century and Contemporary Tanzanian Modern Loose Gemstones

Materials

Spinel

'The Blue Moon' - 2.69 Carat Cobalt Blue Spinel Platinum ring with VS diamonds.
Located in Hua Hin, TH
Platinum ring set with a 2.69 carat Blue Cobalt Spinel & 58pcs. Diamonds total 0.30 carat. Ring
Category

2010s Burmese Engagement Rings

Materials

Diamond, Spinel, Platinum

GIA Certified 1.51 carats Cobalt Blue Spinel Stone Step Cut Natural Gemstone
Located in Bangkok, TH
specified Shape Octagon Cut Step This GIA Certified Cobalt Blue Spinel weighs 1.51 carats and showcases
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Spinel

GIA Certified 1.50 carats Cobalt Blue Spinel Stone Step Cut Natural Gemstone
Located in Bangkok, TH
Clean Shape Octagon Cut Step This GIA Certified Cobalt Blue Spinel weighs 1.50 carats and showcases
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Spinel

Natural Spinel Cobalt blue Loose Gemstone 2.04 Ct., Certificate, cushion cut.
By GRALJEWELRY
Located in Daugavpils, LV
Natural Spinel Cobalt blue Loose Gemstone 2.04 Ct., Certificate, cushion cut. Origin Tanzania
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Natural Cobalt Blue spinel quality VS, 3.48 Ct. gemstone, Certificate GFCO
By GRALJEWELRY
Located in Daugavpils, LV
Natural Spinel gemstone Laboratory certified Gemstone Color: Blue Gemstone Type: Spinel Gemstone
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Natural Cobalt Blue Spinel loose gemstone 3.50 ct, High quality, Origin Tanzania
By GRALJEWELRY
Located in Daugavpils, LV
Natural Cobalt Blue Spinel loose gemstone 3.50 ct., High quality, Octagon cut, Origin Tanzania
Category

2010s Tanzanian Loose Gemstones

Materials

Spinel

Grace of Purplish Gray Burmese Spinel 2.35 carats Radiant Cut Natural Loose Gem
Located in Bangkok, TH
spinel grey spinel jedi spinel cobalt blue spinel spinel rock natural spinel
Category

21st Century and Contemporary Burmese Modern Loose Gemstones

Materials

Spinel

Edwardian AGL Certified Cobalt Blue Spinel Diamond Natural Pearl Necklace
Located in Sarasota, FL
blue, natural Cobalt Spinel , large pear shape natural Pearl and approximately 2.00 carats of fine old
Category

Early 20th Century Edwardian More Necklaces

Materials

Diamond, Pearl, Spinel, 18k Gold

Antique Art Deco, French, 18 Carat White Gold, Cobalt Spinel and Sapphire Ring
Located in Rochford, Essex
. This spinel owes its striking teal colour to traces of cobalt. While cobalt was commonly added to
Category

Early 20th Century French Engagement Rings

Materials

Sapphire, Spinel, White Gold

People Also Browsed

1.19 Carat Natural Violet Ceylon Spinel
Located in Hua Hin, TH
1.19 Carat Natural Violet Spinel from Sri Lanka (Ceylon) Dimension: 6.64 x 5.63 x 3.83 mm Weight: 1.19 Carat Shape: Cushion Cut No Heat GIL Certified Report No: STO2023010552110
Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

1.19 Carat Natural Violet Ceylon Spinel
1.19 Carat Natural Violet Ceylon Spinel
W 0.23 in D 0.16 in L 0.26 in
1.92 Carat Blue Spinel Lotus Certified
Located in Hua Hin, TH
1.92 Carat Blue Spinel from Sri Lanka Shape: Antique. Cushion Cutting Style: Faceted Brilliant Modified Step Dimensions: 8.20 x 6.62 x 4.13 mm Color: Blue with medium saturation and ...
Category

2010s Sri Lankan Loose Gemstones

Materials

Spinel

1.92 Carat Blue Spinel Lotus Certified
1.92 Carat Blue Spinel Lotus Certified
W 0.33 in D 0.17 in L 0.27 in
Galaxy Confetti Diamond Cigar Band, 8.4mm in 14 Karat Yellow Gold, 1 Carat
By Five Star Jewelry
Located in Austin, TX
This stunning Galaxy satin finished 14k yellow gold flush set cigar band dripping with diamonds is from our Confetti Collection. The cigar band shape and the creative setting of the ...
Category

2010s American Contemporary Band Rings

Materials

Diamond, 14k Gold, Yellow Gold, Gold

Emilio Jewelry GIA Certified 7.02 Carat Natural Blue Diamond Ring
By Emilio!
Located in New York, NY
From the museum vault at Emilio Jewelry New York, One of the rarest and only diamonds of its size and color. Please inquire for details.
Category

21st Century and Contemporary Three-Stone Rings

Materials

Blue Diamond

GIA 17.91 Carat Old Cushion Cut Diamond Solitaire Ring in Platinum
Located in La Jolla, CA
GIA certified 17.91 carat Old Cushion Cut Diamond Solitaire Ring in Platinum Old Cushion Diamond Ring features a Center Cushion Brilliant Cut Diamond with beautiful vintage carving ...
Category

20th Century North American Solitaire Rings

Materials

Diamond, Platinum

2.02 Carat Natural Metallic Blue Zircon
Located in Hua Hin, TH
Sparkling Pear-cut Metallic Blue Zircon This 2.02 carat Blue Zircon has a soothing grayish tinge with a dusky light blue color. Giving it the "Metallic Blue" distinction. Stone Wei...
Category

2010s Cambodian Loose Gemstones

Materials

Zircon, Blue Zircon

2.02 Carat Natural Metallic Blue Zircon
2.02 Carat Natural Metallic Blue Zircon
W 0.25 in D 0.18 in L 0.3 in
Belle Époque Diamond Tiara
Located in London, GB
A Belle Époque diamond tiara, to the centre three diamond-set clusters with diamond-set foliate decorations and one large diamond-set cluster on each side, all within a waved frame o...
Category

Early 20th Century French Belle Époque More Jewelry

Materials

Diamond, Platinum

Emilio Jewelry Certified 10.00 Carat Mozambique No Heat Ruby
By Emilio!
Located in New York, NY
From Emilio Jewelry, a well known and respected wholesaler/dealer located on New York’s iconic Fifth Avenue, Please inquire for more images, certificates, details, and any questio...
Category

21st Century and Contemporary Three-Stone Rings

Materials

Ruby

Rare Gray Blue Spinel Ring 4.15 Carat Round - Merkaba Fine Jewelry Beverly Hills
By Merkaba
Located in Beverly Hills, CA
Ultra Exclusive 4.15-Carat Grey-Blue "Ceylon" Spinel Platinum Ring By Merkaba Jewelry Beverly Hills. Step into the world of timeless elegance with this ultra-exclusive 4.15-carat Gr...
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, White Diamond, Multi-gemstone, Spinel, Platinum

4.90 Carat Blue Spinel Cushion, Unset Loose Gemstone, GIA Certified
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This pretty blue spinel cushion weighs 4.90 carats and would make a beautiful 3-stone ring, though its shape lends itself to a variety of possibilities! It measures 11.13 x 8.86 x 6....
Category

21st Century and Contemporary American Artisan Loose Gemstones

Materials

Spinel

1.56 Carat Natural Metallic Blue Zircon
Located in Hua Hin, TH
A beautiful sparkling Pear shaped 'Metallic Blue' Zircon from Ratanakiri, Cambodia. This 1.56 carat Blue Zircon has a gray tinge with a dusky blue color. Giving it the "Metallic Blu...
Category

2010s Cambodian Loose Gemstones

Materials

Zircon, Blue Zircon

1.56 Carat Natural Metallic Blue Zircon
1.56 Carat Natural Metallic Blue Zircon
W 0.24 in D 0.16 in L 0.28 in
Sparkling Flawless 2.11 Carat Blue Spinel Lotus Certified No Heat
Located in Hua Hin, TH
A Sparkling Flawless 2.11 carat Blue Spinel Lotus Certified Dimensions 7.67 x 6.91 x 4.52 mm Shape: Octagonal Faceted Cut Weight: 2.11 carat No Heat Lotus certified 7337-5059 Due to...
Category

2010s Loose Gemstones

Materials

Spinel

1.74 Carat Violet Spinel Lotus Certified
Located in Hua Hin, TH
1.74 Carat Violet Spinel Shape: Oval Cutting Style: Faceted Brilliant Step Dimensions: 7.72 x 7.06 x 4.63 mm Color: Violet medium saturation with a medium-light tone Weight: 1.74 Ca...
Category

2010s Unknown Loose Gemstones

Materials

Spinel

1.74 Carat Violet Spinel Lotus Certified
1.74 Carat Violet Spinel Lotus Certified
W 0.31 in D 0.19 in L 0.28 in
Rare Gem Mid-Century GIA 2.03ctw Natural ALEXANDRITE Diamond Vintage PL Ring
Located in New York, NY
Rare Gem Mid-Century GIA 2.03ctw Natural ALEXANDRITE Diamond Vintage Platinum Ring 1950s A perfect alternative to a traditional Engagement, Wedding or Anniversary ring, this would al...
Category

Vintage 1950s North American Art Deco Engagement Rings

Materials

Alexandrite, Diamond, Platinum

Vintage 14K Gold Burma No Heat 4.56ctw GIA Oval Blue Sapphire & Diamond Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Brilliant Cut - 6 Prong Set - Cornflower Blue Color w/ Natural Silk - No Heat - 4.20ct (exact - certified) **See Certification Detai...
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold, Platinum

AJD Beyond Magnificent Brilliant Natural 25.3Ct, Intense Blue Aquamarine Ring
By Aria Jewelry Design
Located in Raleigh, NC
This gorgeous ring is natural Aquamarine measuring 21.4 mm x 17 mm and is 25.3 carats. There are NO EYE VISIBLE inclusions in this magnificent simply set gemstone. This is set in S...
Category

2010s Brazilian Contemporary Cocktail Rings

Materials

Aquamarine, Silver

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Cobalt Spinel For Sale on 1stDibs

Surely you’ll find the exact cobalt spinel you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Frequently made of 18k gold, gold and white gold, this item was constructed with great care. For this particular accessory, there are many different carat weights to choose from, but 1.5 carat and 2 carat versions are of considerable interest. Finding an appealing cobalt spinel — no matter the origin — is easy, but Merkaba and Niquesa each produced a popular version that is worth a look. An oval cut version of this piece has appeal, but there are also cushion cut and octagon cut versions for sale. When shopping for a cobalt spinel, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Cobalt Spinel?

On average, a cobalt spinel at 1stDibs sells for $2,845, while they’re typically $410 on the low end and $97,500 for the highest priced versions of this item.
Questions About Cobalt Spinel
  • 1stDibs ExpertApril 5, 2022
    True cobalt Spinel have a high-quality blue coloring that won’t glow under a UV light. For detailed analysis, consult a jeweler. Shop a collection of expertly-vetted cobalt spinel jewelry from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Cobalt spinel is typically an expensive gemstone because it is rare. The gemstones feature a highly saturated blue color that sets them apart from other varieties of spinel. You can shop a selection of cobalt spinel gemstone jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Cobalt blue spinels are the rarest and most valued type of spinel gemstone. They’re very popular in the modern gem industry and sought after by collectors. On 1stDibs, you’ll find a collection of cobalt spinel jewelry from some of the world’s top sellers.
  • 1stDibs ExpertApril 5, 2022
    Yes, the cobalt spinel gem is extremely rare and is one of the most desirable gems in the industry. It is found in a single mine in Vietnam and is one of the few gems that occur naturally. Shop a collection of expertly vetted gems from some of the world’s top sellers on 1stDibs.