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Certified F Color Solitaire Necklace PT 900 Everyday Reasonable Jewelry
By Malpani Jewels
Located in Hung Hom, HK
Diamond: 1.272
Color: F
Certified: CGL
Category
2010s Hong Kong Art Nouveau Drop Necklaces
Materials
Diamond, Platinum
Certified H Color Solitaire Necklace PT 900 Everyday Reasonable Jewelry
By Malpani Jewels
Located in Hung Hom, HK
Diamond: 1.298 Carat
Color: H
Certified: CGL
Category
2010s Hong Kong Art Nouveau Pendant Necklaces
Materials
Diamond, Platinum
Platinum PT 900 Emerald Ring with Diamonds
Located in Hong Kong, HK
A beautifully designed elegant natural diamond and natural emerald ring in Platinum PT900 . The emerald weight is .48 carats and diamond weight is .47 carats ! Ring dimensions in cm ...
Category
2010s Hong Kong Engagement Rings
Materials
Diamond, Emerald, Platinum
Certified 1.06 Carat Emerald 'Hope' Pendant PT 900
By Malpani Jewels
Located in Hung Hom, HK
White platinum pendant with a CGL lab-certified, octagonal emerald stone clasped in the center.
Emerald is a highly coveted stone, belonging to the beryl group. These green-hued gem...
Category
2010s Hong Kong Contemporary Pendant Necklaces
Materials
Diamond, White Diamond, Emerald, Platinum
4 Carat Colombian Emerald & Diamond Solitaire PT 900 RIng
By Malpani Jewels
Located in Hung Hom, HK
stunning ring, a 4 carat emerald is set with 0.71 carats of white round brilliant diamond in this PT 900
Category
2010s Japanese Art Nouveau Solitaire Rings
Materials
Diamond, Emerald, Platinum
7.12 Carat Mexican Fire Opal Tweety Bird PT 900 Cocktail Pendant
By Malpani Jewels
Located in Hung Hom, HK
Our tweety bird pendant comprises a 7.12-carat orange opal decorated with a 0.21 carat, pear-shaped ruby and a 0.21-carat, oval-shaped amethyst, and white diamonds.
Opals are extrem...
Category
2010s Hong Kong Art Nouveau Pendant Necklaces
Materials
Amethyst, Diamond, White Diamond, Opal, Ruby, Fire Opal, Platinum
Japan Germany Lab Certified Emerald & Diamond Platinum PT 900 'Big Spread' Ring
By Malpani Jewels
Located in Hung Hom, HK
:
Color: D
Clarity: VVS
The ring is made in Platinum PT 900 and is hand made in Japan
Ring size can be
Category
2010s Japanese Contemporary Dome Rings
Materials
Emerald, White Diamond, Diamond, Platinum
Australian White South Sea Pearl and Diamond Ring in Pt 900 Platinum
Located in Melbourne, AU
A 13.3 mm White Australian South Sea Pearl and Diamond Ring in Pt 900 Platinum. The White
Category
2010s Oceanic Contemporary Cluster Rings
Materials
Diamond, South Sea Pearl, Platinum
Set in PT 900, 2.34 Carats, Natural Australian Opal & Diamonds Engagement Ring
Located in Hong Kong, HK
A very beautiful and gorgeous, Opal Engagement Cocktail Ring set in Platinum 900 & Diamonds. The
Category
21st Century and Contemporary Indian Modern Engagement Rings
Materials
Diamond, Opal, Platinum
Certified Pink Sapphire Hot Pink Barbie Color & Diamond PT 900 Designer Ring
By Malpani Jewels
Located in Hung Hom, HK
This precious gemstone belongs to the corundum mineral family. It is sought-after for its beautiful hue, which can range from pale pink to vivid magenta. Currently, stones that displ...
Category
2010s Hong Kong Art Nouveau Cocktail Rings
Materials
Diamond, Pink Sapphire, Platinum
1.82 Carat Colombian Emerald & 0.83 Carat White Diamond PT 900 Simple Ring
By Malpani Jewels
Located in Hung Hom, HK
Colombian emeralds tend to have more trace amounts of chromium (called an inclusion) in relation to other emeralds, which typically gives them the pure, bright, saturated green so be...
Category
2010s Japanese Art Nouveau Wedding Rings
Materials
White Diamond, Emerald, Platinum
CGL Certified 0.19 Carat Natural Fancy Pink Diamond PT 900 Solitaire Ring
By Malpani Jewels
Located in Hung Hom, HK
A CGL Certified 0.19 carat Fancy Pink Diamond is set along with 0.82 carat of white brilliant round and radiant cut diamond. Pink diamonds are some of the most alluring fancy diamond...
Category
2010s Japanese Art Nouveau Wedding Rings
Materials
Pink Diamond, White Diamond, Diamond, Platinum
CGL Certified 0.40 Carat Russian Demantoid Garnet Round Rare Diamond PT 900 Ring
By Malpani Jewels
Located in Hung Hom, HK
that exceeds diamond. Demantoids are highly prized by both gem collectors and jewelry enthusiasts
Category
2010s Japanese Contemporary Signet Rings
Materials
Garnet, White Diamond, Diamond, Platinum
GRS Certified 12.01 Carat 'No Heat Santa Maria' Aquamarine Classical PT 900 Ring
By Malpani Jewels
Located in Hung Hom, HK
. Santa Maria aquamarine represents a particular shade of blue in a deeply saturated hue. This color was originally discovered at the Santa Maria de Itabira mine, in Minas Gerais, Br...
Category
2010s Hong Kong Art Nouveau Solitaire Rings
Materials
Aquamarine, Diamond, Platinum
GIA Certified 6 Carat Thai Ruby Mirror Clean Rare Investment Ring PT 900
By Malpani Jewels
Located in Hung Hom, HK
First referenced in 1408, Thai Ruby once fulfilled 95 percent of the world's demand for this extremely rare and highly coveted gemstone. Ostensibly depleted since 2009, Thai Ruby is ...
Category
2010s Hong Kong Contemporary Solitaire Rings
Materials
Ruby, White Diamond, Diamond, Platinum
No Heat 2.80 Carat Sapphire Certified and 1 Carat Diamond PT 900 Stunning Ring
By Malpani Jewels
Located in Hung Hom, HK
diamond in this Platinum PT 900 engagement ring.
Sapphires that have not undergone any color or clarity
Category
2010s Japanese Art Nouveau Engagement Rings
Materials
Diamond, Sapphire, Platinum
Cat's Eye Chrysoberyl and Diamond Ring in Platinum 900
Located in Melbourne, AU
Cocktail Ring in Pt 900 Platinum
It consists of a 4.2 ct Brownish Yellow Oval Shape Cabochon Cat's Eye
Category
Late 20th Century Australian Art Deco Cocktail Rings
Materials
Chrysoberyl, Diamond, Platinum
Antique Edwardian 2.20ct Diamond Ring Cluster Double Flower 14k Pt Engagement
Located in Torrance, CA
yellow gold and 900 platinum.
Two center set old mine cut diamonds are estimated at 0.30 carats each
Category
Early 20th Century Unknown Edwardian Cocktail Rings
Materials
Diamond, White Diamond, Gold, 14k Gold, Yellow Gold, Platinum
Vintage Handcrafted Colorful Opal Diamond Ring 900 Platinum Size 6
Located in McLeansville, NC
: 900 Platinum
Weight: 6.9 Grams
Stamps: pt 900
Face Height: 15.2 mm
Rise Above Finger: 9.6 mm
Band
Category
2010s Fashion Rings
Materials
Diamond, Opal
Natural Ceylon Pink Sapphire & Diamonds Engagement Ring Set in Platinum 900
By JEWEL HUB
Located in Hong Kong, HK
A very beautiful and wearable, natural Pink Sapphire Engagement Ring set in Platinum 900 & Diamonds
Category
2010s Hong Kong Modern Engagement Rings
Materials
Diamond, Pink Sapphire, Platinum
Cathy Waterman Diamond Drop Earrings 900 Platinum 22k Gold Hook Posts Pierced
By Cathy Waterman
Located in McLeansville, NC
: 900 Platinum, 22k Yellow Gold
Weight: 5.7 Grams
Stamps: 900 PT, 22k
Closure: Hook Posts
Measurements
Category
21st Century and Contemporary Dangle Earrings
Materials
Diamond, 22k Gold, Platinum
Free Shipping
W 0.54 in L 1.16 in
Letter K Pendant Brooch Vintage Platinum Large Initial Script Estate Jewelry
Located in Torrance, CA
thick chain.
Metal & Hallmark: Platinum. The pendant is hallmarked "Pt 900" and "Pt 850" for platinum.
Category
Late 20th Century Unknown Modern Brooches
Materials
Platinum
1.16ct Ruby Diamond Ring Platinum 6 Estate Fine Jewelry Gemstone Engagement
Located in Torrance, CA
inches) rising 6mm from the finger.
Metal & Hallmark: 900 platinum. The ring is hallmarked "Pt 900"
Category
21st Century and Contemporary Unknown Contemporary Engagement Rings
Materials
Diamond, White Diamond, Ruby, Platinum
1.15ctw Round Diamond Engagement Ring 18k Gold Platinum Size 6 Simon G GIA
By Simon G Jewelry
Located in McLeansville, NC
G 900 PT
Face Height: 6.4 mm
Rise Above Finger: 7.8 mm
Band / Shank Width: 2.5 mm
This ring is a
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, 18k Gold, Platinum
2.65 Carat Sapphire and Diamond Platinum Cocktail Band Ring Estate Fine Jewelry
Located in Montreal, QC
. Stamped: Pt 900, K18 & s2.65. Ring measuring approx. 0.81”w x 0.48”h x 0.90”d. Ring size 6, we offer ring
Category
21st Century and Contemporary Contemporary Cocktail Rings
Materials
Sapphire, Diamond, Gold, Platinum, Yellow Gold, 18k Gold
2.75ct Natural Jelly Opal Diamond Ring Platinum Estate Fine Jewelry Sz 6
Located in Torrance, CA
Stylish natural jelly opal & diamond cocktail ring crafted in 900 platinum.
Cabochon cut natural
Category
Mid-20th Century Unknown Modern Cocktail Rings
Materials
Opal, White Diamond, Diamond, Platinum
Platinum and 2.29 Carat Diamond Butterfly Brooch with South Sea Pearl Center
Located in New York, NY
" in length.
Total diamond weight 2.29 carats.
Stamped JS PT 900
Category
Early 2000s American Modern Brooches
Materials
Diamond, Cultured Pearl, Platinum
Platinum and 18 Karat White Gold 3.20 Carat Diamond and Pearl Butterfly Brooch
By Cellini
Located in New York, NY
Stamped JS PT 900
Category
Early 2000s Contemporary Brooches
Materials
Diamond, Pearl, Yellow Sapphire, 18k Gold, Platinum
Vintage David Webb Diamond & Enamel Bow Ribbon Pin Brooch
By David Webb
Located in Beverly Hills, CA
18k, David Webb, 900 PT
Total weight: 37.8 grams
Measurements: 2- 7/8” x 2- 3/8”
Category
20th Century Brooches
Materials
Diamond, Enamel
David Webb One of A Kind Coral Emerald 18k Yellow Gold Pendant Brooch
By David Webb
Located in New York, NY
hammered 18 karat yellow gold and platinum; marked David Webb, 18k, BS 197, 900 PT
Size: width 3 inches
Category
Late 20th Century American Brooches
Materials
Coral, Diamond, Emerald, 18k Gold, Yellow Gold, Platinum
Bailey Banks & Biddle 1925 Art Deco Arrow Jabot In Platinum 18Kt And Diamonds
By Bailey, Banks & Biddle
Located in Miami, FL
, "BB&B 18Ct & Pt".
Bailey Banks & Biddle
Bailey Banks & Biddle is an American jewelry firm that
Category
Vintage 1920s American Art Deco Brooches
Materials
Diamond, White Diamond, Gold, 18k Gold, Platinum, White Gold
Free Shipping
W 1.18 in L 1.81 in
Pair of Platinum Diamond Stud Earrings
Located in Chelmsford, GB
A pair of small platinum diamond stud earrings. PT 900 Platinum = 0.22G Diamonds = 0.10ct
Category
2010s Stud Earrings
Materials
Diamond, Platinum
Platinum Open Wedding Band Ring
Located in Houston, TX
900 platinum. Engraved with "Pt 900".
Pre-owned in excellent condition. Might shows minor signs of
Category
21st Century and Contemporary Unknown Band Rings
Materials
Platinum
Yellow Diamond and White Diamond Floral Designer Earrings made in Gold, Platinum
By HYT
Located in Hong Kong, HK
magnificence.
Natural Yellow Diamond - 0.34 cts
White diamond - 0.66 cts
PT 900
HYT Jewelry is a privately
Category
2010s Hong Kong Contemporary Stud Earrings
Materials
White Diamond, Yellow Diamond, Gold, Platinum
Almost 1 Carat Santa Maria Aquamarine & 1 Carat White Diamond PT900 Amazing Ring
By Malpani Jewels
Located in Hung Hom, HK
A 1 carat Santa Maria Aquamarine is set along side with 1 carat diamond on this PT 900 Platinum
Category
2010s Japanese Art Nouveau Cocktail Rings
Materials
Aquamarine, White Diamond, Platinum
Platinum Natural Ruby Channel Set Eternity 2 Mm Band 2.5 Gram Size 6.5
Located in Santa Monica, CA
Marked "900 pt"
Category
Early 2000s American Art Deco Band Rings
Materials
Ruby, Platinum
Certified 1 Carat Burma Reddish Purple Ruby Solitaire PT900 Ring
By Malpani Jewels
Located in Hung Hom, HK
brilliant round diamond. The ring is made in PT 900 and has been manufactured in Japan.
The image of the
Category
2010s Japanese Contemporary Fashion Rings
Materials
Ruby, White Diamond, Diamond, Platinum
Certified White diamond Ring with twin marquise diamonds
By HYT
Located in Hong Kong, HK
- PT 900
HYT Jewelry is a privately owned company headquartered in Hong Kong, with branches in Tokyo
Category
2010s Hong Kong Contemporary Engagement Rings
Materials
White Diamond, Platinum
Vintage 2.60ctw Pink Oval Sapphire VS2 Diamond Halo Ring Platinum
Located in McLeansville, NC
- Baguette - 0.40 Total Carats, Baguette Cut, H Color
Metal: 900 Platinum
Weight: 6.6 Grams
Stamps: PT 900
Category
2010s Fashion Rings
Materials
Diamond, Sapphire, Platinum
12.03 Carat Diamond Bezel Set Platinum Tennis Necklace
Located in Stamford, CT
: Platinum
Stamped: Pt 900
Length: 16
Please Note, we photograph each item as accurately as possible
Category
21st Century and Contemporary Link Necklaces
Materials
Diamond, Platinum
AGL Certified 4.032 Carat Natural Blue Ceylon Sapphire Diamond Ring
Located in Manchester By The Sea, MA
2019 and is in excellent condition. There is a PT 900 hallmark on the inside of the shank. The stone
Category
21st Century and Contemporary American Contemporary Fashion Rings
GIA Certified 4.18 Carat BURMA Ruby and 2.41 Carat Diamond Wedding Ring
By Malpani Jewels
Located in Hung Hom, HK
GIA Certified 4.18 Carat Ruby from Burma are set with D color VVS clarity diamond in this PT 900
Category
2010s Japanese Contemporary Bridal Rings
Materials
Ruby, White Diamond, Diamond, Platinum
Platinum Coral Diamond Ring
Located in New York, NY
. Marked: Pt 900 / D 1.50. Total weight: 28.5 grams. Size 7.
Category
Vintage 1980s Cocktail Rings
Materials
Coral, Diamond, Platinum
Platinum 1.29 Carat Vivid Green Zambian Emerald and Diamond Wedding Ring
By Malpani Jewels
Located in Hung Hom, HK
Set in Platinum ( PT 900 ) , the ring has 1.29 carat of vivid green Zambian Emerald and 1.07 carat
Category
2010s Japanese Art Nouveau Bridal Rings
Materials
Diamond, White Diamond, Emerald, Platinum
Neo Classic Eternity Ring in Platinum with Diamonds and Blue Sapphires
Located in Miami, FL
with the platinum assay mark, "PT 900".
Collateral: It is accompanied by a presentation jewelry box
Category
1990s American Edwardian Band Rings
Materials
Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum
Vintage Platinum Old-European Cut Diamond Ring
Located in Laguna Beach, CA
Vintage platinum and diamond ring.
Stamped Pt 900 and weighs 6.8 grams.
The center diamond is an
Category
Mid-20th Century Cluster Rings
Materials
Diamond, Platinum
Sapphire & Diamond-set Platinum Ring
Located in Litchfield, CT
, possibly heated, and .57 carats total weight of E color, VS1 clarity diamonds.
HALLMARKS: PT 900, E 72
Category
Vintage 1960s Fashion Rings
Materials
Diamond, Sapphire, Platinum
Ladies Platinum 1.05ct. Half Eternity Diamond Wedding Band
Located in Houston, TX
platinum ten-across, diamond wedding, semi-eternity band with a half-round shank. Engraved with "Pt 900
Category
21st Century and Contemporary Wedding Rings
Materials
Diamond, Platinum
JB Star GIA 4.41 Carat Yellow Orange Sapphire Diamond Platinum Engagement Ring
By JB Star
Located in Stamford, CT
and sizable
900 Platinum
8.7 grams
Tested: Platinum
Stamped: PT 900
Hallmark: JB Star
Width at top
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Sapphire, Yellow Sapphire, Platinum
Oval Green Jadeite Jade Diamond Halo Ring in Platinum
Located in Honolulu, HI
, Excellent
Stamped: "PT 900" "228"
Category
Late 20th Century Colombian Cocktail Rings
Materials
Diamond, Jade, Platinum
Platinum Diamond Band .50tdw, 7g
Located in Laguna Beach, CA
Platinum Diamond Band .50tdw, 7g
Ladies platinum and diamond ring. Stamped Pt 900 and weighs 7
Category
Mid-20th Century Engagement Rings
Materials
Diamond, Platinum
Diamond Platina Solitair Ring
Located in The Hague, ZH
Stunning solitair ring in 900 pt Platina, with one 0.407 carat diamond
Diamond, total 0.407 carat
Category
21st Century and Contemporary Unknown Modern Solitaire Rings
Materials
Diamond, Platinum
GIA Certified .87 Carat Pink Sapphire Platinum Engagement Ring
Located in Stamford, CT
sizable
900 Platinum
Tested: Platinum
Stamped: PT 900
Hallmark: NK
6.6 grams
Width at top: 7.02mm
Height
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Pink Sapphire, Sapphire, Platinum
Peter Suchy 1.01 Carat Old European Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Stamped: PT 900
4.1 grams
Width at top: 8.05mm
Height at top: 5.40mm
Width at Bottom: 1.76mm
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Platinum
GIA Certified 1.81 Carat Diamond Platinum Engagement Ring
Located in Beverly Hills, CA
/Hallmark: PT 900, C&P (Campanelli & Pear)
Size/Measurements: 6 ring size
Weight: 5.5 grams
Category
21st Century and Contemporary Contemporary Engagement Rings
Materials
Diamond, Platinum
Peter Suchy 6.34 Carat Pink Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Stamped: PT 900
11.12mm width at top
7.83mm high at top
2.18 wide at bottom
Category
21st Century and Contemporary Engagement Rings
Materials
Diamond, Pink Sapphire, Sapphire, Platinum
18 Karat Yellow Gold and Platinum Pearl Pendant
Located in Washington Depot, CT
Weight: 3.2 dwt. / 5.0 gr.
Stamped: PT 900 K18
*Chain not included
Very good condition, professionally
Category
20th Century Pendant Necklaces
Materials
Pearl, Yellow Gold, Platinum
David Webb 1960s Yellow Gold Platinum and Diamonds Bracelet
By David Webb
Located in Torino, IT
secures with a tongue and groove clasp with safety, very comfortable to wear.
Stamped 18k, 900, PT
Category
Vintage 1960s American More Bracelets
Materials
Diamond, 18k Gold, Yellow Gold, Platinum
Peter Suchy .88 Carat Round Brilliant Cut Diamond Platinum Eternity Ring
By Peter Suchy
Located in Stamford, CT
. .88cts
Size 6.5
Platinum
Stamped: PT 900
3.9 grams
Width at top: 3.2mm
Height at top: 2.3mm
Width at
Category
21st Century and Contemporary Wedding Rings
Materials
Diamond, Platinum
Peter Suchy .33 Carat Diamond Platinum Wedding Band Ring
By Peter Suchy
Located in Stamford, CT
Platinum
Stamped: PT 900
3.5 grams
Category
21st Century and Contemporary Band Rings
Materials
Diamond, Platinum
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Pt 900 Jewelry For Sale on 1stDibs
Find the exact piece of pt 900 jewelry you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using platinum, gold and 18k gold. Our collection of these items for sale includes 119 vintage editions and 131 modern creations to choose from as well. Finding the perfect item from our selection of pt 900 jewelry 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. Finding an appealing choice in our collection of pt 900 jewelry — no matter the origin — is easy, but Malpani Jewels, David Webb and Peter Suchy each produced a popular version that is worth a look. Today, if you’re looking for an oval cut version of this piece and are unable to find the perfect match, our selection also includes round cut and emerald cut alternatives. Most of our pt 900 jewelry for sale are for women, but there are 81 pieces available to browse for men.
How Much is a Pt 900 Jewelry?
The price for a piece of pt 900 jewelry starts at $475 and tops out at $225,000 with these rings, on average, selling for $5,900.
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