Platinum Filigree Diamond Pendant
1
to
23
173
24
162
128
37
33
27
25
21
18
8
7
6
5
3
3
2
2
1
1
1
1
4
4
3
2
2
Sort By
Victorian Old European Diamond Platinum Filigree Pendant Necklace
Located in Stamford, CT
EGL certified Victorian 1900 handmade filigree drop pendant and handmade filigree chain. The
Category
Antique Early 1900s Pendant Necklaces
Materials
Diamond, White Diamond, Platinum
Antique Carved Rock Crystal Diamond Platinum Filigree Pendant
Located in Santa Barbara, CA
pendant focuses on a sparkling natural diamond in the center of a silky star. Suspended from a fleur di
Category
Early 20th Century Art Deco Pendant Necklaces
Materials
Diamond, Quartz, Platinum
Free Shipping
H 1.5 in W 0.75 in L 18 in
Sapphire Diamond Platinum Filigree Art Deco Drop Pendant Necklace
Located in Stamford, CT
Art Deco sapphire and diamond pendant necklace. Filigree open work pendant with 35 round diamonds
Category
Early 20th Century Pendant Necklaces
Materials
Sapphire, Blue Sapphire, Diamond, Platinum
Antique Style Diamond Platinum Filigree Necklace
Located in Beverly Hills, CA
ribbons and bows of this platinum necklace are studded with 3.82 carats of round cut diamonds with a
Category
2010s Pendant Necklaces
Materials
Diamond, Platinum
Vintage Platinum Filigree Pendant with Precious Topaz and Brown Diamonds
Located in Boston, MA
true testament to the skilled craftsmanship of a bygone era, this vintage platinum filigree pendant
Category
Vintage 1930s American Art Deco Pendant Necklaces
Materials
Brown Diamond, Topaz, 14k Gold, Platinum
Free Shipping
H 1.5 in W 0.5 in
Antique Edwardian Platinum Large GIA Chrysoberyl Diamond Pearl Filigree Pendant
Located in Montclair, NJ
This breathtaking antique pendant was crafted in solid platinum during the Edwardian era and
Category
Early 20th Century Unknown Edwardian Pendant Necklaces
Materials
Chrysoberyl, Diamond, Pearl, Platinum
Free Shipping
H 1.57 in W 1.18 in D 0.37 in L 16 in
Marquise Diamond Pendant in Platinum
By JB Star
Located in Beverly Hills, CA
Marquise diamond pendant with filigree lace work and pave diamonds on an 18 inch platinum chain
Category
21st Century and Contemporary North American Contemporary Pendant Necklaces
Materials
Diamond, White Diamond, Platinum
Antique Art Deco 1920s Filigree 7 Diamond Pendant Necklace
Located in Santa Barbara, CA
An alluring, authentic Art Deco diamond pendant necklace chock full of all of the details you would
Category
Early 20th Century Art Deco Pendant Necklaces
Materials
Diamond, Platinum
1920s Platinum Art Deco Filigree Old European Cut Diamond Drop Necklace
Located in Atlanta, GA
Year: 1920s
Item Details:
Metal Type: Platinum [Hallmarked, and Tested]
Weight: 6.5 grams
Category
Vintage 1920s Unknown Art Deco Pendant Necklaces
Materials
Diamond, Platinum
Fleur Filigree Diamond Pendant in 14K White Gold
Located in Bangkok, TH
Add the perfect touch to your look with the Fleur Filigree Flower Pendant. An instant eye-catcher
Category
21st Century and Contemporary Unknown Edwardian Pendant Necklaces
Materials
Diamond, 14k Gold, White Gold
Vintage Art Deco Filigree Platinum Diamond and Emerald Necklace and Ring Set
By Unbranded
Located in San Fernando, CA
Absolutely Beautiful Set
Art Deco
Filigree Design
Made in Platinum
with diamonds through setting
Category
Vintage 1930s Art Deco Pendant Necklaces
Materials
Diamond, Emerald, Platinum
Free Shipping
H 2.25 in L 22 in
Diamond Filigree Vintage Style Pendant Necklace in 18 karat White Gold
Located in New York, NY
18 Karat White Gold and Platinum Diamond Filigree Pendant Fine Jewelry
An enchanting and elegant
Category
2010s American Art Deco Pendant Necklaces
Materials
Diamond, 18k Gold, White Gold, Platinum
9.75 Carat Aquamarine Diamond Platinum Pendant Necklace
Located in Stamford, CT
Stunning 1930's Aquamarine and diamond pendant necklace. This spectacular Art Deco filigree pendant
Category
Early 20th Century Pendant Necklaces
Materials
Aquamarine, Diamond, Platinum
Late Edwardian-Early Art Deco Diamond and Onyx Filigree Pendant Necklace
Located in Santa Barbara, CA
This unique antique diamond filigree necklace carries the heritage of two eras. The late Edwardian
Category
20th Century Edwardian Pendant Necklaces
Materials
Diamond, Onyx, Blue Sapphire, 18k Gold, Yellow Gold, Platinum
Free Shipping
H 1.13 in W 0.63 in L 15 in
Sapphire Diamond Platinum Yellow Gold Pendant Necklace
Located in Stamford, CT
Beautiful late 1800's handmade sapphire and diamond pendant necklace. The center gemstone is a
Category
Antique Late 19th Century Pendant Necklaces
Materials
Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, Yellow Gold, Platinum,...
Edwardian 11.50 Carat Opal Diamond Gold Platinum Pendant
Located in Carmel-by-the-Sea, CA
A platinum and 18 karat yellow gold filigree frame surrounds an oval opal in classic Edwardian
Category
Vintage 1910s Edwardian Pendant Necklaces
Materials
Diamond, Opal, Platinum, Yellow Gold
Original Edwardian Circular Orange Brown Diamond Platinum Pendant Necklace
Located in New York, NY
diamonds & mixed old cuts= Approx. 3.00 CTW.
Pendant is platinum, 17 -1/2 inches long
18k white gold chain.
Category
Antique Early 1900s Unknown Edwardian Pendant Necklaces
Materials
Brown Diamond, 18k Gold, Platinum
Platinum Old Mine Diamond Pendant Necklace Antique Victorian Edwardian
Located in New York, NY
This is a stunning museum quality Victorian - Edwardian Platinum Diamond Lavaliere Pendant with 21
Category
Antique Late 19th Century Unknown Edwardian Pendant Necklaces
Materials
Diamond, Platinum
Antique Art Deco Diamond Emerald Platinum Bow Brooch Pendant Necklace
Located in Miami, FL
geometric filigree bow inspired Pendant crafted in Platinum.
This striking Collectable pendant Has lots of
Category
Vintage 1930s Art Deco Pendant Necklaces
Materials
Diamond, Emerald, Platinum
Edwardian South Sea Baroque Pearl Pave Diamond Platinum Pendant Necklace
Located in Stamford, CT
Edwardian Pearl and diamond open work pendant necklace. Platinum filigree pave set diamonds
Category
Early 20th Century Italian Pendant Necklaces
Materials
Diamond, Pearl, Platinum
Antique Art Deco 14k Yellow Gold Diamond & Black Onyx Filigree Pendant Necklace
Located in Montclair, NJ
")
Pendant Thickness: 5.7mm (at the diamond)
Condition: Antique Victorian. Shows some light wear. Diamond has
Category
Vintage 1920s Art Deco Pendant Necklaces
Materials
Diamond, Onyx, Yellow Gold
Art Deco 51.88ct Emerald Cut Aquamarine and Diamond Platinum Pendant
Located in Chevy Chase, MD
cut and single cut diamonds weighing 1.00 carat total, set in platinum. The pendant is suspended from
Category
Mid-20th Century Unknown Art Deco Pendant Necklaces
Materials
Aquamarine, Diamond, Platinum
Belle Époque Filigree Diamond Wreath Lavaliere Necklace
Located in Santa Barbara, CA
carats of old European and round diamonds upon enticing filigree openwork. This pendant was once a brooch
Category
Antique Late 19th Century Portuguese Belle Époque Pendant Necklaces
Materials
Diamond, 14k Gold, White Gold, Platinum, Silver
Edwardian Style Platinum White Gold Portrait Pendant Necklace w Diamond Accents
Located in Mount Kisco, NY
Five sparkling diamonds, .60 total carat weight , illuminate the intricate platinum and white gold
Category
21st Century and Contemporary American Edwardian Pendant Necklaces
Materials
Diamond, White Gold, Platinum
Belle Époque Diamond and Platinum Heart Pendant and Chain, circa 1910
Located in London, GB
A Belle Époque diamond and platinum heart pendant and chain, set with an old-cut diamond, in the
Category
Vintage 1910s American Belle Époque Pendant Necklaces
Materials
Diamond, Platinum
Free Shipping
W 1.36 in L 1.79 in
Antique Edwardian Tiffany and Co Platinum Guilloche Enamel Diamond Watch Pendant
By Tiffany & Co.
Located in Great Neck, NY
Beautiful Antique Edwardian Tiffany and Co Platinum Guilloche Enamel Diamond Watch Pendant. This
Category
Vintage 1910s Edwardian Pendant Necklaces
Materials
Diamond, Gold, 18k Gold, Yellow Gold, Platinum, Enamel
Free Shipping
W 1.12 in L 25 in
GIA Certified 5.07 Blue Sapphire Diamond Platinum Art Deco Pendant Necklace
Located in Stamford, CT
Vintage 1920's Art Deco filigree sapphire and diamond pendant necklace. Platinum pendant necklace
Category
Early 20th Century Pendant Necklaces
Materials
Diamond, Sapphire, Blue Sapphire, Platinum
Antique Edwardian Diamond Pendant Necklace Platinum Pearl 14k Gold Vintage Fine
Located in Torrance, CA
Elegant and finely detailed Edwardian pendant (circa 1900s to 1910s), crafted in 900 platinum. The
Category
Early 20th Century Unknown Edwardian Pendant Necklaces
Materials
Diamond, White Diamond, Pearl, 14k Gold, White Gold, Platinum
Free Shipping
H 1.5 in W 0.5 in L 16 in
Antique Art Deco Platinum 4.37ct Old European Diamond Large Dinner Pendant Chain
Located in Montclair, NJ
Here we have an absolutely breathtaking antique diamond statement pendant crafted in solid platinum
Category
Vintage 1920s Art Deco Pendant Necklaces
Materials
Diamond, Platinum
Free Shipping
H 2.39 in W 0.87 in L 20 in
Tiffany & Co. 1910 Edwardian Guilloche Pendant Watch In Platinum With Diamonds
Located in Miami, FL
, pearls and white metals like platinum and white gold. Diamonds often had an Old Mine or European cut and
Category
Vintage 1910s French Edwardian Pendant Necklaces
Materials
White Diamond, Diamond, Steel, Enamel, Platinum, Yellow Gold, 18k Gold, ...
Free Shipping
W 1.02 in D 0.28 in L 1.69 in
Jadeite Jade Diamond Platinum Necklace
Located in Beverly Hills, CA
accented by 4.26 carats of heart, round and marquise cut diamonds and a single pear cut. The platinum
Category
2010s Pendant Necklaces
Materials
Diamond, Jade, Platinum
Antique Art Deco 3 Carat DTW Diamond and Filigree Necklace
Located in Montgomery, AL
pendant features 15 antique Old European cut diamonds and has an estimated combined total diamond weight
Category
Early 20th Century Art Deco Pendant Necklaces
Materials
Diamond, Gold, 14k Gold, White Gold, Platinum
Art Deco Diamond Pendant Necklace
Located in London, GB
Here we have a delightful diamond necklace taken from the Art Deco movement. This geometric pendant
Category
Early 20th Century Art Deco Pendant Necklaces
Materials
Diamond, Platinum
Antique Edwardian Diamond & Pearl Lavalière Platinum Necklace
Located in Santa Barbara, CA
color, weighing a total of 0.60 carats. The enduring platinum filigree openwork and lustrous pearls
Category
Early 20th Century Edwardian Pendant Necklaces
Materials
Diamond, Pearl, Platinum
Free Shipping
H 2 in W 0.75 in L 14.25 in
Natural Amethyst Vintage Victorian Style Filigree Pendant in Solid 9K Gold
Located in Bangkok, TH
Add a delicate and unique aesthetic to your look with this pendant by GEMMA FILIGREE. Our antique
Category
21st Century and Contemporary Thai Edwardian Pendant Necklaces
Materials
Amethyst, 9k Gold, Yellow Gold
Free Shipping
W 0.63 in L 1.03 in
Edwardian Diamond Natural Pearls Necklace in Platinum
Located in Napoli, Italy
Genuine antique 1900's Edwardian platinum necklace featuring one large Pear European cut, 0,80 ct I
Category
Early 20th Century Edwardian Pendant Necklaces
Materials
Natural Pearl, Diamond, Platinum
Natural Peridot Pearl Vintage Victorian Style Filigree Pendant in Solid 9K Gold
Located in Bangkok, TH
gold or platinum using natural gemstones and diamonds.
GEMMA FILIGREE custom jewelry box and
Category
21st Century and Contemporary Thai Edwardian Pendant Necklaces
Materials
Pearl, Peridot, 9k Gold, Yellow Gold
Free Shipping
W 1.03 in L 1.89 in
Aquamarine Diamond Belle Époque Pendant Long Chain Necklace
Located in Palm Beach, FL
Belle Époque aquamarine and diamond pendant in a handcrafted platinum mounting, featuring an
Category
Antique Early 1900s Unknown Belle Époque Pendant Necklaces
Materials
Aquamarine, Diamond, Platinum
7 Carat Peridot Platinum Diamond Lavaliere Necklace Antique Victorian Edwardian
Located in New York, NY
Mine Cut Diamonds of great beauty in a gorgeous Platinum openwork filigree beaded milgrain pendant
Category
Early 20th Century Unknown Edwardian Pendant Necklaces
Materials
Diamond, Peridot, Platinum
Free Shipping
H 1.75 in W 0.75 in L 19.5 in
Vintage 53 Carat Aquamarine and Diamond Art Deco Revival Platinum Necklace
Located in Montreal, QC
Simply Beautiful! Finely detailed Aquamarine and Diamond Pendant Necklace, center securely set with
Category
Vintage 1980s Art Deco Pendant Necklaces
Materials
Aquamarine, Diamond, Platinum
1918 Nordic Necklace 0.8 ctw Diamonds 18K Gold Platinum / 43 cm/ 4.58g
Located in SE
Diamonds set in 18K Yellow Gold and Platinum. The main part /pendant is composed of 4 moving and folding
Category
Vintage 1910s European Art Nouveau Pendant Necklaces
Materials
Diamond, Platinum, 18k Gold
Edwardian 9.64 CTW Diamond Sapphire Ruby Heart Shaped Black Opal Antique Pendant
Located in Philadelphia, PA
Designed as an ornately pierced plaque-shaped pendant and bale with filigree and flowing foliate
Category
Vintage 1910s Edwardian Pendant Necklaces
Materials
Diamond, Opal, Ruby, Sapphire, Platinum
Antique Necklace natural Pearls Diamonds 18K Gold Platinum Silver / 44cm/ 6.8 gr
Located in SE
- Pearls complemented with rose and old diamond cut Diamonds. Centerpiece in solid Platinum on 18K Yellow
Category
Antique Early 1900s European Art Nouveau Pendant Necklaces
Materials
Diamond, Natural Pearl, 18k Gold, Platinum, Silver
Free Shipping
L 17.33 in
Jack Kelege Pink Tourmaline and Diamond Halo Pendant Necklace in 18 Karat Gold
By Jack Kelege
Located in Scottsdale, AZ
set in platinum, adding a brilliant frame that enhances the overall elegance of the pendant as well as
Category
21st Century and Contemporary Unknown Contemporary Pendant Necklaces
Materials
Diamond, White Diamond, Tourmaline, Gold, 18k Gold, Yellow Gold, Platinum
Free Shipping
L 18.25 in
Antique Edwardian Period Platinum Filigree and Milgrain Diamond Brooch Pendant
Located in Boston, MA
Antique Edwardian Period Platinum Filigree and Milgrain Diamond Brooch Pendant - The brooch is set
Category
Vintage 1910s Unknown Edwardian Brooches
Materials
Diamond, Platinum
Free Shipping
W 1.75 in L 2 in
Edwardian 1900 Horseshoe Lucky Pendant In 18Kt Gold With Demantoids And Diamonds
Located in Miami, FL
incorporating a lot of the color white. Think diamonds, pearls and white metals like platinum and white gold
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
Diana M. 18 kt white gold, 1.5" diamond rounded off cross pendant .60cts
By Diana M. Jewels
Located in New York, NY
18 kt white gold, 1.5" diamond rounded off cross pendant adorned with 0.60 cts tw of round diamonds
Category
21st Century and Contemporary American Modern Pendant Necklaces
Materials
Diamond, White Gold
1932 Art Deco Nordic Pendant Onyx Diamonds solid 18K Gold / 2.6gr
Located in SE
Pendant in 18K White Gold with the setting of Black onyx accented with Diamonds. There are ten
Category
Vintage 1930s Swedish Art Deco Pendant Necklaces
Materials
Diamond, Onyx, 18k Gold, White Gold
Free Shipping
W 0.71 in D 0.12 in L 1.26 in
Natural Blue Topaz and Diamond Vintage Style Pendant in solid 9K Yellow Gold
Located in Bangkok, TH
Add a delicate and unique aesthetic to your look with this pendant by GEMMA FILIGREE. Our antique
Category
21st Century and Contemporary Thai Edwardian Pendant Necklaces
Materials
Diamond, Topaz, Blue Topaz, 9k Gold, Yellow Gold
Free Shipping
W 0.44 in L 0.79 in
Art Deco Brooch/Pendant Platinum Filigree Setting Set With Diamonds & Sapphires
Located in valatie, NY
Art Deco 3.75 Carat Diamond and Sapphire, Brooch/Pendant, in a Platinum Filigree Setting. The
Category
Early 20th Century Unknown Art Deco Brooches
Materials
Diamond, Sapphire, Blue Sapphire, Platinum
Free Shipping
W 1 in L 2.5 in
Gregorian c.1915 European Cut Diamond Platinum Foliate Filigree Bar Pin Pendant
Located in Thiensville, WI
Antique Gregorian c.1915 platinum diamond bar pin pendant. Features three Old European cut diamonds
Category
Vintage 1910s Edwardian Brooches
Materials
Diamond, Platinum
Dimos 18k Gold Noir Cocktail Pendant
Located in Athens, GR
this pendant with beautiful filigrees and granulation and black platinum background for high contrast
Category
2010s Greek Byzantine Pendant Necklaces
Materials
Sapphire, 18k Gold
1960s Riviera Diamond GIA Heart Emerald Gold Necklace
Located in Miami, FL
This stunning estate diamond and emerald heart necklace is crafted in 18 karat White and yellow
Category
Vintage 1960s Art Deco Pendant Necklaces
Materials
Diamond, Emerald, 18k Gold, Platinum
Vintage Art Deco Era GIA Certified Aquamarine and Old Euro Cut Diamond Necklace
Located in Miami, FL
GIA-certified Art Deco Aquamarine Necklace, a mesmerizing blend of intricate filigree platinum
Category
Vintage 1930s European Art Deco Pendant Necklaces
Materials
Aquamarine, Diamond, Platinum
Dimos 18k Gold Noir Colorful Sapphires Pendant
Located in Athens, GR
carats brilliant cut diamonds circle around this pendant with beautiful filigrees and granulation and
Category
2010s Greek Byzantine Pendant Necklaces
Materials
Sapphire, 18k Gold
Dimos 18k Gold Noir Square Colorful Sapphires Pendant
Located in Athens, GR
carats brilliant cut diamonds circle around this pendant with beautiful filigrees and granulation and
Category
2010s Greek Byzantine Pendant Necklaces
Materials
Sapphire, 18k Gold
Natural Cabochon Sapphire Pearl Vintage Style Pendant in solid 9K Yellow Gold
Located in Bangkok, TH
platinum using natural gemstones and diamonds.
GEMMA FILIGREE custom jewelry box and certificate of
Category
21st Century and Contemporary Thai Edwardian Pendant Necklaces
Materials
Pearl, Sapphire, 9k Gold, Yellow Gold
Free Shipping
W 0.71 in L 1.54 in
Natural Cabochon Garnet and Pearl Vintage Style Pendant in solid 9K Yellow Gold
Located in Bangkok, TH
Add a delicate and unique aesthetic to your look with this pendant by GEMMA FILIGREE. Our antique
Category
21st Century and Contemporary Thai Victorian Pendant Necklaces
Materials
Garnet, Pearl, 9k Gold, Yellow Gold
Free Shipping
W 0.48 in L 0.99 in
Edwardian 1905 Belle Epoque Cross In 14Kt Gold With Diamond And Sapphire
Located in Miami, FL
incorporating a lot of the color white. Think diamonds, pearls and white metals like platinum and white gold
Category
Antique Early 1900s North American Edwardian Pendant Necklaces
Materials
Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, 14k Gold, Yellow ...
Free Shipping
W 1.18 in D 0.18 in L 2.01 in
Edwardian 1905 Belle Epoque Cross In 14Kt Gold Palladium Diamond And 4 Sapphires
Located in Miami, FL
incorporating a lot of the color white. Think diamonds, pearls and white metals like platinum and white gold
Category
Antique Early 1900s North American Edwardian Pendant Necklaces
Materials
Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, Yellow Gold, Pall...
Free Shipping
W 1.26 in L 2.13 in
- 1
Get Updated with New Arrivals
Save "Platinum Filigree Diamond Pendant", and we’ll notify you when there are new listings in this category.
Platinum Filigree Diamond Pendant For Sale on 1stDibs
On 1stDibs, you can find the most appropriate platinum filigree diamond pendant for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using platinum, gold and 18k gold. You can easily find a 108 antique edition and 15 modern creations to choose from as well. Finding the perfect platinum filigree diamond pendant may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. There have been many well-made iterations of the classic platinum filigree diamond pendant over the years, but those made by Hasbani Diamonds, MOISEIKIN and Bailey, Banks & Biddle are often thought to be among the most beautiful. See these pages for an old european cut iteration of this accessory, while there are also round cut cut and old mine cut cut versions available here, too. Most of our platinum filigree diamond pendant for sale are for women, but there are 28 pieces available to browse for men.
How Much is a Platinum Filigree Diamond Pendant?
The price for a platinum filigree diamond pendant starts at $180 and tops out at $90,000 with these necklaces, on average, selling for $7,225.
Read More
A Centuries-Old Style, Lockets Have Never Lost Their Romantic Appeal
Emblems of heartfelt emotion, elegant vessels for photos and keepsakes and perfect for layering, these special ornaments are an essential component of any thoughtfully curated jewelry collection.
This Van Cleef & Arpels Necklace Is an Heirloom in the Making
With more than 100 carats of diamonds, this vintage stunner converts into different styles, making it as versatile as it is breathtaking.
[Survey] Two-Thirds of Jewelry Gift Recipients Don’t Want to Be Surprised
Givers of fine gems enjoy surprise more than receivers, and women more than men. Find out what else our survey of 3,000 Americans revealed.
Next-Level Pearls That Go Well Beyond the Expected
Organic shapes, surprising textures, shimmering colors and inventive embellishments take the new generation of pearl jewelry from classic to cutting-edge.
7 Vibrant Jewels for a Breezy Late-Summer Wardrobe
Soak up the pleasures of the season with a these bold gems.
Whether Worn Alone or Layered, These Chain Link Necklaces Are Trending
Learn more about the stylish links that have passed the test of time.
Meet the Dapper, Mustachioed Parisian Who’s Tops in Crafting Enticing Jewels
After more than a decade creating the iconic Lanvin gems of the Alber Elbaz years, designer Elie Top dove into the world of fine jewelry, mixing silver and gold to create his own striking, timeless look.
More Ways To Browse
Waltham Travel Clock
Elgin Travel Clock
Diamond And Platinum Small Key Pendant And Necklace
Ch Meylan
1960s Emerald Riviera
Bobbleheads Vintage
Monstera Necklace
Cameo Aries
Butterfly Necklace Choker Chloe
V Herringbone 14k Necklace
Van Cleef 2021 Holiday Pendant
Vintage Sun Tarot
Vintage Alhambra Pendant Green
Vintage Claddagh Necklace
Jade Pi Xiu
Lords Prayer
Leon Popov
Lavender Jadeite Pi