For over two decades, Simon Ardem has provided its clientele with fashionable fine jewelry. Every piece is crafted to fit the sensibilities of the customer, resulting in contemporary jewelry with captivating and uncommon qualities.
Gemologist and artist Ardem Aslanian established Simon Ardem in 1996 with his wife Cynthia. Ardem previously worked with his brother in the diamond trading business and has more than 30 years of experience creating bridal and custom jewelry. Cynthia has a fine arts degree from the Fashion Institute of Technology (FIT) in Manhattan and sketches the company’s concepts.
Their combined expertise and vision have launched Simon Ardem to prominence in the New York jewelry industry. The company is known for its meticulous bridal rings, pendants and bangles made with a signature imagination, artistry and care.
Ardem and Cynthia diligently work to ensure that every component of their company’s jewelry is sourced and produced ethically. Striving to be a sustainable company, Simon Ardem utilizes the most environmentally sound manufacturing processes and invests in local economies.
Simon Ardem continues to operate out of New York City, always working to meet the highest standards in its products and production methods.
On 1stDibs, discover the lavish quality of Simon Ardem rings, bracelets, necklaces and more.
4.07ct Cushion Cut Fancy Light Yellow Diamond Ring with Diamond Halo GIA Cert
By Simon Ardem
Located in New York, NY
GIA-Certified cushion-cut 4.07 carat cushion fancy light yellow diamond platinum ring. This stunning ring features a GIA certified 4.07-carat cushion-cut natural fancy light yellow d...
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
'The Rose Diamond' - GIA 5.59CT Type IIA Natural Pink Pear Shaped Diamond Ring
By Simon Ardem
Located in New York, NY
'THE ROSE DIAMOND' is an extraordinary natural pink pear shaped diamond ring. This rare Pink diamond is certified with a GIA certificate, which also includes a GIA Type IIA certifica...
Diamond, White Diamond, Pink Diamond, Platinum
GIA Certified Engagement Ring with 6.11 Carat Yellow Cushion Cut Diamond
By Simon Ardem
Located in New York, NY
Diamond ring with GIA certificate, no.1162257236. Center stone: 6.11ct Cushion cut Fancy to Fancy Intense Yellow VS2 diamond, 10.6 x 10.4 x 6.14mm. Side stones: 1.25ct Brilliant Roun...
Yellow Diamond, White Diamond, Diamond, Platinum, Yellow Gold, 18k Gold
$46,500Sale Price|25% Off
GIA Certified 4.02 Ct Radiant Fancy Yellow Diamond Engagement Platinum Ring
By Simon Ardem
Located in New York, NY
Diamond Platinum ring with GIA certificate, no.1162532915. Center stone: 4.02ct Radiant cut Fancy Light to Fancy Orangy Yellow, Natural Color, 10.2 x 9.1 x 5.0 mm. Side stones: 1.00c...
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
'The Rose Diamond' - GIA 5.59CT Type IIA Natural Pink Pear Shaped Diamond Ring
By Simon Ardem
Located in New York, NY
'THE ROSE DIAMOND' is an extraordinary natural pink pear shaped diamond ring. The Pink diamond is certified with a GIA certificate, which also includes a GIA Type IIA...
Diamond, White Diamond, Pink Diamond, Platinum
"Strawberry Fields" Simon Ardem Central Park Fall Collection
By Simon Ardem
Located in New York, NY
Oval design natural fancy earth tone diamond pave and two bands of channel set baguettes. Yellow, Brown, Orange and White Fancy colored VVS-SI1 diamonds. Set in 18K Yellow gold. Finger size: 6. Proudly crafted by SIMON ARDEM artisans in New York City. Between Manhattan’s Upper East and the Upper West Side lies one of the world’s beautiful parks — an urban refuge and horticultural oasis. The beauty and charm of Central Park has captivated artists for decades through film, painting, photography and fashion. In Autumn, the park is at its finest—displaying an array of colors that mesmerize. Internationally-renowned jewelry atelier, Simon Ardem, is launching the New York Fall Collection...
Diamond, Pink Diamond, Brown Diamond, 18k Gold
GIA Certified Oval 5.72 Ct Green Emerald Platinum Cocktail Ring
By Simon Ardem
Located in New York, NY
Magnificent Oval 5.72ct Intense Green Emerald Cocktail Ring set in Platinum with 18K yellow gold double claw prongs. Side stones are half-m...
Diamond, White Diamond, Emerald, Platinum
"Cop Cot" Fancy Colored Diamond Simon Ardem New York Fall Collection
By Simon Ardem
Located in New York, NY
Oval design Natural Fancy Earth tone diamond pave ring. Center stone is .85ct Orangy-Brown VS2 Cushion cut diamond and graduating Brown, Orange, Yellow Fancy colored VVS-SI1 diamon...
Diamond, Pink Diamond, Brown Diamond, 18k Gold
Certified Fancy Yellow Radiant 2.84 Carat Diamond Cocktail Ring Set in Platinum
By Simon Ardem
Located in New York, NY
Fancy Yellow Diamond Platinum ring with EGL certificate: no.US 400119130D. Center stone: 2.84ct Radiant cut Fancy Light Yellow VS1 diamond. Center stone measurements: 8.90 x 7.80 mm....
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
$15,200Sale Price|20% Off
2.25 ct GIA Certified Burma Ruby and diamond ring
By Simon Ardem
Located in New York, NY
This exquisite ring features a GIA Certified Burma Ruby 2.25-carat center cushion cut, GIA #2231255803. Complemented by .80 carat of trillion-cut side stones, set in a four-prong 18K...
Diamond, Ruby, 18k Gold, Platinum
Platinum Art Deco Yellow 3.87 Ct Certified Yellow Radiant Diamond Cocktail Ring
By Simon Ardem
Located in New York, NY
Art Deco Style Fancy Yellow Diamond ring with EGL certificate, no.400148819D. Center stone: 3.87ct Radiant cut Fancy Yellow VS2 diamond, 9.8 x 8.3 x 4.94mm set in a yellow gold bezel...
Yellow Diamond, White Diamond, Diamond, Platinum, Yellow Gold, 18k Gold
Fancy Yellow 1.12 Ct Oval Cut Diamond Engagement Platinum Ring
By Simon Ardem
Located in New York, NY
Fancy Yellow Diamond ring. Center stone: 1.12ct Oval cut Fancy Yellow SI1 diamond. Side stones: .32ct H-I-J VS1-SI1 Brilliant round diamonds. Total carat weight: 1.44ct. Metal: Plati...
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
GIA Certified 3.02 Carat Asscher Cut Square Emerald Engagement Platinum Ring
By Simon Ardem
Located in New York, NY
Diamond Platinum ring with GIA certificate, no. 2165724127. Details are: Center stone: 3.02 / H VS1 Asscher/Square emerald cut naturally mined diamond, 8.43 x 8.39 x 5.15 mm. Side st...
Diamond, White Diamond, Platinum
$18,800Sale Price / item|20% Off
GIA certified 1.80 carat Oval Solitaire
By Simon Ardem
Located in New York, NY
GIA certified 1.80 carat Oval engagement ring with non-traditional 4 prong set in platinum. Color F, Clarity SI1. This ring is available exclusively for custom order and may take 3...
Diamond, 14k Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum
$17,150Sale Price|30% Off
GIA Certified Fancy Yellow 2.03 Carat Diamond Engagement Ring
By Simon Ardem
Located in New York, NY
Diamond ring with GIA certificate, no.17420514. Details are: Center stone: 2.03ct / Radiant cut Fancy Light Yellow diamond VS1, 7.57 x 6.58 x 4.44mm...
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
"Wagner Cove" Fancy Colored Diamonds Simon Ardem New York Fall Collection Ring
By Simon Ardem
Located in New York, NY
Oval design natural fancy earth tone diamond pave and two bands of channel set baguettes with a bezel set fancy brown cushion cut between. Center stone is .85ct Orange-Brown VS2 Cus...
Diamond, 18k Gold, Rose Gold
GIA Certified 1.54 Carat Fancy Yellow-Brown Cushion Cut Diamond Cocktail Ring
By Simon Ardem
Located in New York, NY
Natural Diamond ring with GIA certificate, NO. 12145530073. Center stone: 1.54 ct cushion cut fancy yellow-brown SI1 diamond, 6.53 x 6.20 x 4.15 mm. Side stones: .70ct, 30 Brilliant ...
Brown Diamond, Diamond, Pink Diamond, 18k Gold, Rose Gold
"The Loch" Fancy Colored Diamonds Simon Ardem New York Fall Collection Ring
By Simon Ardem
Located in New York, NY
Leaf Motif Diamond Ring with graduating Brown, Orange, Yellow and White Fancy Colored VVS-SI1 Diamonds, total of 3.80 carats. Total weight is 9.1 grams. Finger size is 6.5. Set in 18K Yellow gold. Proudly crafted by SIMON ARDEM artisans in New York City. Between Manhattan’s Upper East and the Upper West Side lies one of the world’s beautiful parks— an urban refuge and horticultural oasis. The beauty and charm of Central Park has captivated artists for decades through film, painting, photography and fashion. In Autumn, the park is at its finest—displaying an array of colors that mesmerize. Internationally-renowned jewelry atelier, Simon Ardem, is launching the New York Fall Collection, a capsule collection of one-of-a-kind rings and bangles inspired by Central Park landmarks. The Loch, a North Woods...
Diamond, Yellow Diamond, Brown Diamond, Pink Diamond, 18k Gold
"Turtle Pond" Simon Ardem Central Park Fall Collection
By Simon Ardem
Located in New York, NY
Diamond Ring with cross band of channel set career cut Diamonds, center stone is .85ct Fancy Orange-Brown VS2. Round cut diamond and graduating Natural...
Diamond, Pink Diamond, Brown Diamond, 18k Gold
"Great Lawn" Fancy Colored Diamond Simon Ardem New York Fall Collection Ring
By Simon Ardem
Located in New York, NY
Diamond Ring with cross band of Pink pave set Diamonds, center stone is .90ct Asscher cut Orange-Brown VS2 Emerald cut diamond and graduating Pink, Brown, Orange, Yellow and White Fancy colored VVS-SI1 diamonds, total of 4.56cts. Set in 18K Yellow gold. Finger size: 6.5. Proudly crafted by SIMON ARDEM artisans in New York City. Between Manhattan’s Upper East and the Upper West Side lies one of the world’s beautiful parks— an urban refuge and horticultural oasis. The beauty and charm of Central Park has captivated artists for decades through film, painting, photography and fashion. In Autumn, the park is at its finest—displaying an array of colors that mesmerize. Internationally-renowned jewelry atelier, Simon Ardem, is launching the New York Fall Collection, a capsule collection of one-of-a-kind rings and bangles inspired by Central Park landmarks. The Great Lawn Ring features a brown Asscher cut diamond...
Diamond, Yellow Diamond, Pink Diamond, Brown Diamond, 18k Gold, Yellow Gold
GIA Certified 4.02 Ct Radiant Fancy Yellow Diamond Engagement Platinum Ring
By Simon Ardem
Located in New York, NY
Gorgeous natural 4.02ct fancy yellow radiant cut diamond ring surrounded by 1.00ct of natural brilliant white round diamonds. Center stone is set in an 18k yellow gold bezel while th...
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
$32,100Sale Price|30% Off
Alexander GIA 4.50ct Fancy Light Yellow Radiant Diamond with Halo Ring 18k
By Alexander Beverly Hills
Located in BEVERLY HILLS, CA
Stunning modern GIA certified natural yellow diamond with halo ring, two-tone 18k yellow and white gold. By Alexander Beverly Hills *Looks Fancy Yell...
Diamond, Yellow Diamond, White Diamond, Gold, 18k Gold, White Gold, Yell...
GIA Certified Natural 3.92 Carat Emerald Cut Pink Diamond Type IIA Ring
By HAZAN
Located in New York, NY
A Natural, GIA certified Pink Emerald Cut Diamond Three Stone Ring. No enamel, no paint under the diamonds…..just a gorgeous, blush Natural Pink, hall of mirrors. Set in Platinum an...
Pink Diamond, Diamond, Rose Gold, Platinum
2 Carat Radiant Cut Diamond Fancy Yellow GIA Engagement Ring
By Rick Shatz
Located in New York, NY
This elegant three-stone engagement ring features a stunning 2.01-carat radiant cut diamond with a captivating fancy yellow hue and VS2 clarity, certified by GIA. GIA#2135010585. ...
Diamond, 18k Gold, Yellow Gold, Platinum
$8,120Sale Price|20% Off
Gia Certified, 0.40ct Fancy Light Pink Pear, Natural Fancy Color Diamond Ring
Located in Hong Kong, HK
0.40ct Pear shaped natural fancy light pink GIA Certified diamond mounted on 18kt gold with small natural pink and white diamonds. A stunning and elegant piece, this fancy light pi...
Pink Diamond, 18k Gold
$6,412Sale Price|20% Off
GIA 1.01ct Cushion Fancy Yellow Diamond with Diamond Halo Ring 18k White Gold
Located in BEVERLY HILLS, CA
Stunning fancy yellow color diamond diamond with halo ring. 1.78 carats total diamond weight. 1.01 carat cushion Fancy Yellow VS2 diamond, GIA graded. Complimented by 26 round brilliant diamonds, 0.77 carats. Approximately G/H color and SI clarity. 18k white gold with yellow gold prongs...
Diamond, Yellow Diamond, Gold, 18k Gold, White Gold, Yellow Gold
$110,400Sale Price|20% Off
GIA 8.03 Fancy Yellow Cushion Diamond 18k Yellow Gold 2.99ct Diamond Ring
By Nazarelle
Located in Houston, TX
This ring is made in 18K yellow gold and features a 8.03ct Fancy Yellow Cushion cut Diamond clarity grade VVS2 with GIA certificate # 6193658610. The ring features 12 cushion cut dia...
Diamond, Yellow Diamond, 18k Gold, Yellow Gold
GIA Certified 4.02 Carats Radiant Cut Yellow Diamond Three-Stone Engagement Ring
By Roman Malakov
Located in New York, NY
A gorgeous three-stone engagement ring, featuring a 4.02 carats radiant cut fancy yellow diamond certified by GIA as Y-Z color and SI1 clarity, set on a four prong basket made of 18K...
Yellow Diamond, Diamond, 18k Gold, Yellow Gold, White Gold
GIA Certified 10.09 Carats Elongated Cushion Cut Diamond Engagement Ring
By Roman Malakov
Located in New York, NY
A special engagement ring, showcasing a 10.09 carats elongated cushion cut diamond certified by GIA as I color and SI1 clarity, set on a four...
Diamond, Platinum
GIA Certified 3ct Cushion Fancy Light Yellow Diamond Engagement Ring in 18K Gold
By VimleshBadaya
Located in Jaipur, RJ
A Radiant Symphony of Light and Elegance Celebrate timeless sophistication and rare beauty with this extraordinary GIA-certified engagement ring, centered by an exquisite ~3.00ct na...
Yellow Diamond, Diamond, White Gold, 18k Gold
GIA Certified 10.02 Carats Cushion Cut Yellow Diamond Engagement Ring
By Roman Malakov
Located in New York, NY
A vibrant engagement ring, featuring a 10.02 carats cushion cut diamond certified by GIA as Fancy Yellow color and VS2 clarity, set on a four prong 18K yellow gold setting. Flanked by epaulette...
Yellow Diamond, Diamond, 18k Gold, Platinum
GIA Certified 6.54 Carats Fancy Yellow Radiant Cut Diamond Engagement Ring
By Roman Malakov
Located in New York, NY
A classic engagement ring, showcasing a vibrant 6.54 carats radiant cut diamond certified by GIA as Fancy Yellow color and VS2 clarity, set on a four prong setting. Accented by 88 ro...
Diamond, Yellow Diamond, 18k Gold, Yellow Gold
40 Carat Fancy Yellow Diamond Ring Radiant Cut GIA Certified
By Mike Nekta New York
Located in New York, NY
40 CARAT RADIANT CUT NATURAL FANCY YELLOW DIAMOND ENGAGEMENT RING BY MIKE NEKTA NYC GIA Certified Center Diamond: Carat Weight: 40 Carats Color: NATURAL,...
Diamond, Yellow Diamond, 18k Gold, Platinum
Yellow Diamond 3.03 Ct Certified Diamond Ring in Platinum
By Simon Ardem
Located in New York, NY
Light Yellow Diamond ring with EGL USA certificate, no.400148811D. Center stone: 3.03ct Cushion Modified Brilliant cut Light Yellow VS1 diamond, 9.90 x 7.40 x 5.16 mm. Side stones: 6...
Yellow Diamond, Platinum
GIA Certified 5.12 Ct Fancy Yellow Oval Diamond Engagement Ring in Platinum
By Simon Ardem
Located in New York, NY
Diamond Platinum Fancy Yellow Ring, with GIA certificate no.2165961005, 5.12ct Fancy Yellow VS2 Oval cut natural diamond, 13 x 10mm. Side stones: 1.1...
Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
Certified 2.00 Carat Emerald Cut Diamond Engagement Ring in 18K White Gold
By Simon Ardem
Located in New York, NY
Diamond ring with Emerald cut natural diamond center stone 2.00ct E SI2. Measurements: 8.70 x 6.10 x 4.30 mm. EGL Certificate #400148821D. Side stones: 1ct Natural Fancy Yellow VS2 R...
Diamond, White Diamond, Yellow Diamond, 18k Gold, White Gold, Yellow Gold
"North Meadow" Simon Ardem Central Park Fall Collection
By Simon Ardem
Located in New York, NY
Diamond Ring with cross band of pave set Diamonds, center stone is .70ct Orange-Brown VS2 Round cut diamond and graduating natural fancy earth tone VV...
Diamond, Pink Diamond, Brown Diamond, 18k Gold
1.01 Carat Fancy Yellow Oval Cut Diamond Engagement Ring
By Simon Ardem
Located in New York, NY
Diamond engagement ring with 1.01ct Oval cut center stone Orangy Yellow VS2, set in yellow gold bezel. Measurements: 8.30x5.90 mm. Side stones: 52 Brilliant round diamonds and 2 Pear...
Diamond, Yellow Diamond, 18k Gold, White Gold, Yellow Gold
GIA Certified 2.61 Carat Light Yellow Oval Diamond Engagement Ring In Platinum
By Simon Ardem
Located in New York, NY
Diamond ring with 2.61ct Oval cut center stone Y-Z VS1. Measurements: 10.84 x 7.71 x 4.76 mm. GIA Certificate #7332521515. Side stones: 61 Brilliant round diamonds .65ct E-F VS2-SI1....
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
GIA Certified Oval 5.72 Carats Emerald Cocktail/Engagement Ring.
By Simon Ardem
Located in New York, NY
GIA Certified Oval Emerald Cocktail Ring set in Platinum with 18K yellow gold prongs. 5.72 Intense green Emerald stone set in platinum with half moon and brilliant round cut diamonds...
Diamond, White Diamond, Emerald, Platinum
Fancy Yellow 1.11 Carat Certified Diamond Engagement Ring
By Simon Ardem
Located in New York, NY
Diamond ring with EGL certificate, no. US59329301D. Details are: Center stone: 1.11ct/ VS2 radiant cut fancy yellow diamond, 7.1 x 5.7x 3.4mm. / Side stones: .90ct/ F-G VS1-SI1. Bril...
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
9.00 Carat Platinum Tanzanite & Diamond Trapezoid Cocktail Ring
By Simon Ardem
Located in New York, NY
9.00 Carat Tanzanite Cocktail Ring set in Platinum. Trapezoid side stones flank center stone with pave diamonds 3/4 way along shank. Center stone is Royal Blue Tanzanite, side stones...
Tanzanite, Platinum
GIA Certified Fancy Yellow 3.05 Carat Radiant Diamond Cocktail Platinum Ring
By Simon Ardem
Located in New York, NY
Diamond ring with GIA certificate, no.1156601418. Center stone: 3.05ct Radiant cut Fancy Light Yellow SI2 diamond, 8.47 x 7.85 x 5.00mm. Side stones: 1.00ct F-G VS1-SI2 Brilliant Rou...
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
Certified Fancy Yellow 2.20 Carat Diamond Engagement Ring in 18 Karat Rose Gold
By Simon Ardem
Located in New York, NY
Diamond ring with EGL certificate, no.400148820D. Center stone: 2.20ct Radiant cut Fancy to Fancy Light Yellow VS2 diamond, 8.20 x 7.10 x 4.30mm. Side stones: .95ct Fancy Light Pink ...
Diamond, Yellow Diamond, Pink Diamond, Rose Gold, 14k Gold
2.55 Carat Fancy Yellow Radiant Cut Diamond Engagement Ring in Platinum
By Simon Ardem
Located in New York, NY
Fancy Yellow Diamond ring. Center stone: 2.55ct/ SI2 radiant cut fancy light yellow diamond. Side stones: 1.08ct /F-G VS2-SI1 Brilliant round diamonds. Total carat weight =3.63ct. Me...
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum