Questions & Answers
Our trusted network of 1stDibs sellers answer common questions
How can I tell real crystal from glass?
1 Answer

There are several ways to tell if an item is crystal or glass. The main difference between crystal and glass is that crystal is made with lead, making it easier to add decorative elements. Crystal refracts and disperses light, creating a rainbow effect, and is heavier than regular glass. When gently tapped, crystal items create a ringing, musical sound. If you are still unsure, consult a certified appraiser. Browse a range of authenticated fine crystal and glass pieces on 1stDibs.
1stDibs ExpertApril 5, 2022
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Shop for Cut Crystal Wine Glass on 1stDibs
Westhampton /// Contemporary Thomas McKnight Screenprint Hamptons NY Modern Art
By Thomas McKnight
Located in Saint Augustine, FL
Artist: Thomas McKnight (American, 1941-)
Title: "Westhampton"
Portfolio: The Hamptons
*Signed by McKnight in pencil lower right
Year: 1987
Medium: Original Screenprint on soft-white...
Category
1980s Contemporary Landscape Prints
Materials
Screen
Marc Chagall(1887-1985)-Devant St. Jeannet (In front of St. Jeannet)- lithograph
By Marc Chagall
Located in Varese, IT
Coloured lithograph on Arches paper, edited in 1972.
Limited edition of 50 copies, numbered as 20/50 in lower left corner.
Signed in pencil by artist in lower right corner.
Paper si...
Category
1970s Abstract Prints and Multiples
Materials
Lithograph
Z ZEGNA Size L Red Cotton Cashmere Crew Neck Pullover
By Z Zegna
Located in San Francisco, CA
Z ZEGNA pullover
in a red cotton cashmere knit featuring long sleeves and crew neck. Very Good Pre-Owned Condition. Moderate pilling at right side hem.
Marked: L
Measurements: ...
Category
21st Century and Contemporary Pullovers
Rug & Kilim’s Tudor Style Flatweave Runner in Cream & Green Floral Patterns
By Rug & Kilim
Located in Long Island City, NY
Handwoven in wool, its design is inspired from antique Tudor tapestries and textiles of English and French sensibilities.
On the Design:
This particular flat weave enjoys an elega...
Category
2010s Chinese Modern Chinese and East Asian Rugs
Materials
Wool
$2,240 Sale Price
20% Off
Castelli di Cannero, Lake Maggiore - 19th Century Oil painting of Italian Lakes
By George Clarkson Stanfield
Located in Gerrards Cross, GB
‘Castelli di Cannero, Lake Maggiore’ by George Clarkson Stanfield (1828-1878).
The painting – which depicts the ruins of the 16th century Rocca Vitaliana fortress on Lago Maggiore ...
Category
Mid-19th Century English School Landscape Paintings
Materials
Oil
Vintage Grand Tour Bronze Gladiator Statue
Located in West Palm Beach, FL
This bronze-toned figure captures the poised intensity of a classical warrior, frozen in the moment before launching his spear. Wearing only a crested Corinthian helmet and loincloth...
Category
Mid-20th Century American Classical Greek Figurative Sculptures
Materials
Stone, Metal