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KNIFE EDGE Gemstone STUD Earrings: Tanzanite
Located in Los Angeles, CA
Say hello to our KNIFE EDGE Gemstone Studs~They show off a beautiful Tanzanite Emerald~cut gemstone
Category
2010s American Contemporary Stud Earrings
Materials
Tanzanite, 14k Gold
KNIFE EDGE Gemstone Necklace: Y Neck Drop with Tanzanite
Located in Los Angeles, CA
our KNIFE EDGE Y-Neck Gemstone Necklace-This version shows off a beautiful Emerald cut Tanzanite
Category
2010s American Contemporary Chain Necklaces
Materials
Tanzanite, 14k Gold
14K Gold Knife Edge TRIPLE Gemstone Ring: Teal, Pink Tourm, Tanzanite: Size 6
Located in Los Angeles, CA
ring. This ring is part of our NEWEST collection-Our Knife Edge Gemstone Collection-and is sure to be
Category
2010s American Contemporary Three-Stone Rings
Materials
Tanzanite, Tourmaline, 14k Gold
14K Gold Knife Edge TRIPLE Gemstone Ring: Teal, Pink Tourm, Tanzanite: Size 7
Located in Los Angeles, CA
ring. This ring is part of our NEWEST collection-Our Knife Edge Gemstone Collection-and is sure to be
Category
2010s American Contemporary Three-Stone Rings
Materials
Tanzanite, Tourmaline, 14k Gold
Alex Jona Fork & Knife Sterling Silver Cufflinks
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, rhodium plated sterling silver fork and knife
Category
21st Century and Contemporary Italian Cufflinks
Materials
Sterling Silver
Tiffany & Co. 1.74 Carat Diamond Knife Edge Engagement Ring
By Tiffany & Co.
Located in Bethesda, MD
.
• Metal: Platinum
• Circa: 2023
• Size: Ring size 6 and can be resized
• Gemstone: 1 round brilliant cut
Category
2010s Engagement Rings
Materials
Diamond, Platinum
Tiffany & Co. 1.37 Carat Diamond Knife Edge Engagement Ring
By Tiffany & Co.
Located in Bethesda, MD
VS2 clarity.
• Metal: Platinum
• Circa: 2005
• Gemstone: 1 round brilliant cut diamond=1.37 carats I
Category
Early 2000s Engagement Rings
Materials
Diamond, Platinum
Sterling Silver "Liquid Metal" Narrow Hammered Band with KNIFE EDGE Tanzanite
Located in Los Angeles, CA
One of the first pieces we designed, but updated for our NEW Knife Edge Gemstone Collection for
Category
2010s American Contemporary Band Rings
Materials
Tanzanite, Sterling Silver
Retro Turquoise Gemstone Cocktail Ring 18k Yellow Gold
Located in MIAMI, FL
gemstone that is accented with turquoise gemstones in a halo setting. The color of the turquoise gemstones
Category
Vintage 1970s American Retro Cocktail Rings
Materials
Turquoise, Yellow Gold, 18k Gold
"Liquid Metal" Ster Silver Wide Hammered Band with KNIFE EDGE Pink Tourmaline
Located in Los Angeles, CA
This piece right here is an updated version Elliot Young's signature ring-Part of our NEW Knife
Category
2010s American Contemporary Band Rings
Materials
Tourmaline, Silver
Ster. Silver "Liquid Metal" Narrow Hammered Band w/ KNIFE EDGE Teal Tourmaline
Located in Los Angeles, CA
One of the first pieces we designed, but updated for our NEW Knife Edge Gemstone Collection for
Category
2010s American Contemporary Band Rings
Materials
Tourmaline, Silver
Tiffany & Co. 1.34 Carat Diamond Knife Edge Engagement Ring and Wedding Band
By Tiffany & Co.
Located in Bethesda, MD
• Gemstone: 1 round brilliant cut diamond=1.34 carats I VS1
• Packaging: Tiffany box
• Condition: Excellent
Category
Early 2000s Engagement Rings
Materials
Diamond, Platinum
Retro Tigers Eye Gemstone & Diamond Geometric 18k Gold Ring
Located in MIAMI, FL
sharp knife edge design in the tigers eye gemstone and metal work of the design. This ring is considered
Category
Vintage 1960s Unknown Retro Cocktail Rings
Materials
Diamond, Tiger's Eye, 18k Gold, Yellow Gold
"Liquid Metal" Ster. Silver Wide Hammered Band with KNIFE EDGE Teal Tourm: Sz 7
Located in Los Angeles, CA
This piece right here is an updated version Elliot Young's signature ring-Part of our NEW Knife
Category
2010s American Contemporary Band Rings
Materials
Tourmaline, Silver
"Liquid Metal" Ster. Silver Wide Hammered Band with KNIFE EDGE Teal Tourm: Sz 8
Located in Los Angeles, CA
This piece right here is an updated version Elliot Young's signature ring-Part of our NEW Knife
Category
2010s American Contemporary Band Rings
Materials
Tourmaline, Silver
Platinum and 18 Karat Yellow Gold Multicolored Gemstone Chandelier Earrings
Located in Sydney, NSW
‘Chantilly’ are precious gemstone drop earrings designed to reflect a collage of floating spring
Category
2010s Australian Chandelier Earrings
Materials
Beryl, White Diamond, Peridot, Rubelite, Gold, Platinum
Russian American Silver Diamond Ruby Letter Opener
Located in New York, NY
A letter opener knife with a patterned metal blade and a black wood and silver handle with two
Category
Antique 19th Century North American Letter Openers
Materials
Multi-gemstone
Cynthia Scott 1.45ct Chrome Tourmaline, 18kt and Platinum Paloma Ring
By Cynthia Scott
Located in Logan, UT
ring designed to perfectly frame an exquisite gemstone. The knife-edge 18kt band and the handmade
Category
2010s American Fashion Rings
Materials
Tourmaline, Chrome Tourmaline, Gold, 18k Gold, Yellow Gold, Platinum
0.59ct Black Opal in 18kt and Platinum Paloma Ring by Cynthia Scott Jewelry
By Cynthia Scott
Located in Logan, UT
pared-down ring designed to perfectly frame an exquisite gemstone. The knife-edge 18kt band and the
Category
21st Century and Contemporary American Fashion Rings
Materials
Black Opal, Opal, Yellow Gold, Platinum, Gold, 18k Gold
Van Cleef & Arpels Carved Rose Quartz Earrings in 18 Karat Yellow Gold
By Van Cleef & Arpels
Located in New York, NY
a carved rose quartz crystal encased by staggered tapered knife edge bands and Large Omega Clip
Category
21st Century and Contemporary French Clip-on Earrings
Materials
Quartz, 18k Gold, Yellow Gold
Free Shipping
W 0.75 in L 1.25 in
Cynthia Scott Fancy Purple Pink Tanzanite, 18kt and Platinum Paloma Ring
By Cynthia Scott
Located in Logan, UT
-down ring designed to perfectly frame an exquisite gemstone. The knife-edge 18kt band and the handmade
Category
2010s American Fashion Rings
Materials
Tanzanite, Gold, 18k Gold, Yellow Gold, Platinum
18.33 Carat Ceylon Unheated Sapphire Ring
By Mehnaz Durrani
Located in Richmond, BC
cluster, cushion faceted, 18.33 carats unheated sapphire mounted in open basket with four knife prong
Category
21st Century and Contemporary Canadian Contemporary Cocktail Rings
Materials
Diamond, Sapphire, 18k Gold
Mozambique 24.21 Carat Ruby Diamond Pendant Necklace
By Mehnaz Durrani
Located in Richmond, BC
, 24.21 carats natural ruby mounted in high profile with yellow gold eight knife prongs, accented with two
Category
21st Century and Contemporary Canadian Contemporary Pendant Necklaces
Materials
Diamond, Ruby, 18k Gold
Lapis, 18 Karat, and 20 Karat Artisan Beaded Necklace
By Robert Guyon
Located in Logan, UT
This gemstone beaded necklace features exquisitely made, knife-edged lapis beads paired with an
Category
21st Century and Contemporary American Contemporary Beaded Necklaces
Materials
Lapis Lazuli, 18k Gold, 22k Gold
Victorian 2.18 CTW No Heat Burma Sapphire Diamond 18 Karat Rose Gold Halo Ring
Located in Philadelphia, PA
carats total
H/I color with VS2 clarity - prong and bead set
Completed by knife edge shank
Tested as 18
Category
Antique 1860s Victorian Engagement Rings
Materials
Diamond, Sapphire, Gold, 18k Gold, Rose Gold
Vintage 20.24 CTW Imperial Topaz No Heat Ceylon Sapphire 18K White Gold Ring
Located in Philadelphia, PA
medium blue in color - prong set in baskets
Completed by knife edge shank
Tested as 18 karat gold
Circa
Category
Vintage 1950s Engagement Rings
Materials
Sapphire, Topaz, Gold, 18k Gold, White Gold
Edwardian Blue Stone and Pearl Brooch Circa 1910
Located in ADELAIDE, SA
Edwardian gold lozenge knife edge brooch with a safety chain and pin. Set with a synthetic sapphire
Category
Vintage 1910s Edwardian Brooches
Materials
Pearl
18ct White Gold Sapphire and Diamond Eternity Ring
Located in Sydney, NSW
a stunning polished finish design.
One ladies - 18ct white gold dress ring, knife edge, flat
Category
2010s Contemporary Cocktail Rings
Materials
Diamond, Sapphire, 18k Gold, White Gold
Pomellato Rhodolite Garnet 18k Rose Gold Harem Cocktail Ring
By Pomellato
Located in Boca Raton, FL
Brand: Pomellato
Hallmark: Pomellato 750 C700004438
Gemstone: rhodolite garnet
Material: 18k
Category
21st Century and Contemporary Italian Modern Dome Rings
Materials
Garnet, Rhodolite, 18k Gold, Rose Gold
Hancock’s 5.06ct Antique Asscher Cut Diamond in Brushed Rose Gold Solitaire Ring
By Hancocks
Located in London, GB
gold mount with knife edge band and softly brushed satin finish.
Maker
Hancocks
Period
Contemporary
Category
21st Century and Contemporary English Engagement Rings
Materials
White Diamond, 18k Gold
Antique Edwardian 15K Gold & Silver 1.72ctw Diamond Pearl Halley’s Comet Brooch
Located in Staines-Upon-Thames, GB
of gemstones to one end, like this brooch. Very popular in the Georgian era and into the Victorian
Category
Early 20th Century Edwardian Brooches
Materials
Diamond, Pearl, 15k Gold, Yellow Gold, Silver
Free Shipping
W 1.05 in D 0.24 in L 2.86 in
Set of 3 pieces in Silver Bronze or Gold Bronze
Located in Saint-Ouen, FR
spoon, table/fish forks, table knife or meat/fish knife) in silver bronze 35/42 microns
It is possible
Category
2010s French Modern Sterling Silver
Materials
Bronze
Antique Aquamarine drop pendant, 15k yellow gold, Pearl
Located in NEWARK, GB
gemstones.
The pendant has an integral pearl set bale leading to the top of the pendant, an openwork oval
Category
Early 20th Century British Art Nouveau Pendant Necklaces
Materials
Aquamarine, Pearl, 15k Gold, Yellow Gold
Hancocks 1.52ct Fancy Deep Yellow Diamond Ring with White Diamond Shoulders
By Hancocks
Located in London, GB
to a gold knife edge band.
Maker
Hancocks
Period
Contemporary
Origin
London
Gemstones
1.52ct Fancy
Category
21st Century and Contemporary English Engagement Rings
Materials
White Diamond, Yellow Diamond, 18k Gold
18K TB Starr Citrine and Amethyst Bypass Bangle Bracelet
Located in Hummelstown, PA
This classic Edwardian knife edge bangle by TB Starr centers on large square step cut amethyst and
Category
Vintage 1910s American Edwardian Bangles
Materials
Citrine, Amethyst, 18k Gold
Edwardian 1905 Antique French Earrings 18Kt Gold With 3.54 Ctw Diamonds & Rubies
Located in Miami, FL
gemstone or on the knife sharp edges of a design served to give jewelry a softer, lighter look.
Collateral
Category
Antique Early 1900s French Edwardian Dangle Earrings
Materials
Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold
Free Shipping
W 0.4 in D 0.26 in L 0.6 in
Mid-Century 6.60 CTW No Heat Ceylon Sapphire 18 Karat Gold Vintage Ring GIA
Located in Philadelphia, PA
Completed by knife edge shank
Stamped for 18 karat gold
Circa: 1950s
Ring size: 5 1/2 and sizable
Measures
Category
Vintage 1950s Engagement Rings
Materials
Diamond, Blue Sapphire, Gold, 18k Gold, White Gold
Hancocks- 2.74ct Lozenge Shaped Emerald Ring Kite Diamond Shoulders
By Hancocks
Located in London, GB
hand-made 22ct gold mount with a sleek and simple knife-edge band.
Maker
Hancocks
Period
Contemporary
Category
21st Century and Contemporary British Engagement Rings
Materials
Diamond, Emerald, 22k Gold
Vintage Retro Solitaire Sapphire Engagement Ring
Located in Santa Barbara, CA
An authentic retro gemstone engagement ring, circa 1940s. This vintage heirloom features a lovely
Category
Vintage 1940s Retro Engagement Rings
Materials
Diamond, Sapphire, Platinum
Art Deco 5.22 CTW Yellow Ceylon Sapphire Diamond 14 Karat Gold Antique Ring GIA
Located in Philadelphia, PA
Weighing approximately 0.06 carat total - eye clean and bright
Completed by knife edge shank
Stamped for 14
Category
Vintage 1930s Art Deco Engagement Rings
Materials
Diamond, Sapphire, Yellow Sapphire, Gold, 14k Gold, White Gold
Tiffany & Co. 1910 Edwardian Ring In Platinum With 1.10 Ctw In Diamonds & Pearls
By Tiffany & Co.
Located in Miami, FL
surrounding a gemstone or on the knife sharp edges of a design served to give jewelry a softer, lighter look
Category
Antique Early 1900s American Edwardian Cluster Rings
Materials
Diamond, White Diamond, Pearl, Natural Pearl, Platinum
Hancocks 2.01carat Rare Vintage Carre Cut Diamond Platinum Solitaire Ring
By Hancocks
Located in London, GB
stylised honeycomb pattern, all in a finely hand crafted platinum mount with knife edge band. This is a
Category
2010s British Engagement Rings
Materials
Diamond, Platinum
Antique Art Deco 1 Carat Blue Sapphire Solitaire Engagement Ring
Located in Santa Barbara, CA
knife edge band and sparkling accent diamonds. Sapphires are historically believed to serve as a bridge
Category
Vintage 1920s Art Deco Engagement Rings
Materials
Blue Sapphire, Platinum
Hancocks 1.56ct Antique Russian Emerald Set in a Contemporary 22ct Gold Ring
By Hancocks
Located in London, GB
yellow gold mount with knife edge band and softly brushed satin finish.
Maker
Hancocks
Period
Category
21st Century and Contemporary English Engagement Rings
Materials
Emerald, 22k Gold
Antique 18ct Gold Victorian Diamond Bangle
Located in Brighton, GB
yellow gold frame with a knife edge back.
Features a secure integral clasp & safety chain.
Internal
Category
Antique Late 19th Century English Victorian Bangles
Materials
Diamond, Gold, 18k Gold
Tiffany & Co .73ct D VS2 Solitaire Platinum Engagment Ring
By Tiffany & Co.
Located in Newton, MA
knife edge ring features a round brilliant cut diamond 0.73ct D color and VS2 clarity. The ring is
Category
21st Century and Contemporary American Modern Engagement Rings
Materials
Diamond, Platinum
Victorian Diamond Fringe Tiara Convertible To A Necklace Circa 1880s
Located in London, GB
foliate spray topped with a single diamond, all set in silver and gold above a knife edge bar embellished
Category
Antique Late 19th Century British Enamel Frames and Objects
Materials
White Diamond, 18k Gold, Silver
Alex Jona Cutlery Sterling Silver Cufflinks
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, rhodium plated sterling silver fork and knife
Category
21st Century and Contemporary Italian Cufflinks
Materials
Sterling Silver
Edwardian 1905 Ring In 18Kt Yellow Gold And Platinum With Diamonds And Ruby
Located in Miami, FL
gemstone or on the knife sharp edges of a design served to give jewelry a softer, lighter look.
Millegrain
Category
Antique Early 1900s English Edwardian Engagement Rings
Materials
Diamond, White Diamond, Ruby, Gold, 18k Gold, Yellow Gold, Platinum
Antique 18ct Gold & Platinum, Art Deco, Sapphire Diamond Daisy Cluster Ring
Located in Brighton, GB
platinum sectioned settings, that sparkle and shine beautifully in any light. The yellow gold knife edge
Category
Early 20th Century English Art Deco Engagement Rings
Materials
Diamond, Sapphire, Gold, Platinum
GIA Art Deco 3.32 Carats Colombian Emerald Cabochon Diamond Platinum Ring
Located in Philadelphia, PA
color with VS clarity. Flanked by knife edge shoulders. Stamped for platinum. With partial maker's mark
Category
Vintage 1930s Art Deco Cocktail Rings
Materials
White Diamond, Emerald, Diamond, Platinum
Tiffany & Co. Sterling Silver 82-Piece Flatware Set Faneuil/ Queen Anne Art Deco
By Tiffany & Co.
Located in New York, NY
approximately including 1 troy ounce per knife. Each piece bears hallmarks and a monogram (which can be removed
Category
Early 20th Century American Art Deco Sterling Silver
Materials
Silver, Sterling Silver
Edwardian 1900 Horseshoe Lucky Pendant In 18Kt Gold With Demantoids And Diamonds
Located in Miami, FL
gemstone or on the knife sharp edges of a design served to give jewelry a softer, lighter look.
Note
Category
Antique Early 1900s American Belle Époque Pendant Necklaces
Materials
Diamond, White Diamond, Garnet, Gold, 18k Gold, Yellow Gold
Free Shipping
W 0.73 in L 1.02 in
5.8 Carat Emerald Cut Blue Topaz Yellow Gold Triple Band Ring
By Nijma M Fine Jewelry
Located in Toronto, CA
Prepare to be extra admired with this dazzler, "Blue Ice"! A blue topaz gemstone sits center fold
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Blue Topaz, Yellow Gold
5.8 Carat Emerald Cut Blue Topaz Yellow Gold Triple Band Ring
By Nijma M Fine Jewelry
Located in Toronto, CA
Prepare to be extra admired with this dazzler, "Blue Ice"! A blue topaz gemstone sits center fold
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Blue Topaz, Yellow Gold
5.8 Carat Emerald Cut Blue Topaz Yellow Gold Triple Band Ring
By Nijma M Fine Jewelry
Located in Toronto, CA
Prepare to be extra admired with this dazzler, "Blue Ice"! A blue topaz gemstone sits center fold
Category
2010s American Contemporary Cocktail Rings
Materials
Diamond, Blue Topaz, Yellow Gold
30% OFF Tiffany & Co. Sterling Silver 180-Piece Provence Flatware Set w/ Servers
By Tiffany & Co.
Located in New York, NY
'' in length
- a large carving knife measuring 14'' in length
- a carving fork measuring 11'' in
Category
20th Century American Tableware
Materials
Silver, Sterling Silver
Beaded Bracelet Jadeite & Nephrite, One-of-a-Kind, Certified Untreated, New, 8"
Located in Southbury, CT
something you never want to take off. And you don't have to: jade is the most durable gemstone -diamond may
Category
2010s Artisan Beaded Bracelets
Materials
Jade
Ruby and Diamond Flower Ring in 14k Gold, Floral Pierced Leaf Asymmetry (LV)
Located in Austin, TX
and you or your loved one! One side of the band has a crisp and strong yet slender "knife-edge" look
Category
Late 20th Century American Romantic Fashion Rings
Materials
Diamond, Ruby, 14k Gold, White Gold, Yellow Gold
Edwardian 1905 Belle Epoque Cross In 18Kt Gold With Diamond and Sapphire
Located in Miami, FL
featured often on Edwardian jewelry. Its border of delicate balls and ridges surrounding a gemstone or on
Category
Antique Early 1900s North American Edwardian Pendant Necklaces
Materials
Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, Yellow Gold, Pall...
Free Shipping
W 1.18 in D 0.18 in L 2.01 in
- 1
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Gemstone Knife For Sale on 1stDibs
On 1stDibs, you can find the most appropriate gemstone knife for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using gold, platinum and 18k gold. Our collection of these items for sale includes 122 vintage editions and 102 modern creations to choose from as well. Making the right choice when shopping for a gemstone knife may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. There have been many well-made iterations of the classic gemstone knife over the years, but those made by Tiffany & Co., Hancocks and Nicky Burles are often thought to be among the most beautiful. A gemstone knife of any era or style can lend versatility to your look, but a version featuring diamond, from our inventory of 129, is particularly popular. 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 emerald cut and old european cut alternatives. Most of our gemstone knife for sale are for women, but there are 101 pieces available to browse for men.
How Much is a Gemstone Knife?
The price for a gemstone knife starts at $100 and tops out at $199,799 with these rings, on average, selling for $4,537.