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.
3.12ct Yellowish Marquise Oval Diamond Engagement Ring Antique Miligrain Style
By Simon Ardem
Located in New York, NY
This one-of-a-kind GIA certified natural M color marquise brilliant cut diamond engagement ring is set in an east-west position with four compass-style prongs. It sits on top of an a...
Yellow Diamond, White Diamond, Diamond, 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
$22,125Sale Price|25% Off
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
$9,760Sale Price|20% Off
GIA Certified 1.63 Ct Radiant Fancy Light Yellow Diamond Engagement Ring
By Simon Ardem
Located in New York, NY
Diamond Platinum ring with GIA certificate, no.5141964995. Center stone: 1.63 ct Cut-cornered Rectangular Modified Brilliant cut Natural Fancy Light Yellow VS2 diamond, 7.08 x 6.20 x...
Yellow Diamond, Platinum
GIA Certified 1.57 Carat Fancy Pink-Brown Asscher Cut Diamond Engagement Ring
By Simon Ardem
Located in New York, NY
Natural Fancy Pink Diamond ring with GIA certificate, no.6214923742. IGI Certificate no.4706036421. Center stone: 1.57ct Asscher cut/Square Emerald cut Fancy Pink-Brown VVS1 diamond,...
Diamond, Rose Gold, Platinum, 14k Gold
2.2 CT Emerald Cut Diamond 3-Stone Engagement Ring With Natural Pink Diamonds
By Simon Ardem
Located in New York, NY
Diamond ring with Emerald cut natural diamond center stone and 2 Emerald cut side stones: 1.40tcw F VS1. Side stones: .55ct Natural Fancy Light Pink Diamonds VS2-SI1 and .25ct Natura...
Diamond, White Diamond, Pink Diamond, 18k Gold, Platinum
$23,250Sale Price|25% Off
2.67ct Certified Fancy Yellow Radiant Diamond Ring
By Simon Ardem
Located in New York, NY
Fancy Light Yellow Diamond Platinum ring with . Center stone: 2.67ct Radiant cut Fancy Light Yellow SI1 diamond. IGI certificate: no. 4706044611. Center stone measurements: 9.80 x 7....
Diamond, 18k 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
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
$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
1 Carat Fancy Vivid Yellow Radiant Cut Diamond Ring, GIA Certified, in 18K Gold
Located in New York, NY
1.02 Carat Fancy Vivid Yellow Radiant Cut Diamond Ring, GIA Certified, in 18K Gold A beautifully handcrafted ring featuring a 1.02-carat Fancy Vivid Yellow Radiant Cut diamond (VS2 c...
Yellow Diamond, Pink Diamond, Diamond, 18k Gold, White Gold
2 Carat Radiant Cut Diamond Fancy Yellow GIA Engagement Ring
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
Emilio Jewelry 1.57 Carat Pink Diamond Cushion Engagement Ring
By Emilio!
Located in New York, NY
center 0.57ct 4 marquise 0.22ct 84 rounds 0.41ct 16 diamonds .37ct From The Vault at Emilio Jewelry Located on New York's iconic Fifth Avenue, Showcasing a very special and rare G...
Pink Diamond
$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...
Peter Suchy GIA Certified 1.57 Carat Ruby Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
GIA certified no heat no enhancements ruby and diamond engagement ring. Oval ruby center stone with 2 round side diamonds set in a platinum, classic three stone setting. Created in t...
Diamond, Ruby, Platinum
Vellmar GIA Certified 1.63 Carat Emerald Diamond Yellow Gold Engagement Ring
Located in Stamford, CT
Green emerald and diamond engagement ring. GIA certified rich green octagonal cut 1.63ct emerald which is semi bezel set in a 14k yellow gold setting. Each shoulder has 2 rows of rou...
Diamond, Emerald, Gold, 14k Gold, Yellow Gold
Vera Wang 1.57 Carat Sapphire Diamond Engagement Ring, GIA Certified
By Vera Wang
Located in New York, NY
VERA WANG 1.57 Carat Sapphire Diamond Engagement Ring, GIA Certified -Metal Type: 14K White Gold -0.59 Carat Round Center Stone, GIA, E Color, I1 Clarity -0.30 Carat Brilliant Cut ...
Diamond, Sapphire, 14k Gold, White 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
40 Carat Fancy Yellow Diamond Ring Radiant Cut GIA Certified
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
GIA Certified 3.66 Carats Oval Cut Fancy Light Pink Diamond Halo Engagement Ring
By Roman Malakov
Located in New York, NY
A beautiful engagement ring, showcasing a vibrant 3.66 carats oval cut pink diamond certified by GIA as Fancy Light Pink color and Internally Flawless clarity, bezel-set in 18K rose ...
Diamond, Pink Diamond, Rose Gold, Platinum, 18k Gold
J. Birnbach GIA Certified 3.01 Carat Radiant Cut Diamond Engagement Ring
By J. Birnbach
Located in New York, NY
This exquisite new ring from the J. Birnbach workshop features a certified 3.01 carat radiant cut diamond of I color and VS1 clarity as described by GIA grading #2357921677. Set in a...
Diamond, Platinum
Certified Fancy Vivid Yellowish Orange Diamond Engagement Halo Ring
By Claris-A
Located in Monte Carlo, MC
This 18K white gold ring, offered by Claris-A, features an exceptional natural fancy vivid yellowish-orange diamond as its centerpiece. Weighing 1.34 carats and accompanied by an HRD...
Yellow Diamond, White Diamond, Diamond, White Gold
Fancy Intense Yellow 2.12 Ct Certified Diamond Ring in 18K White Gold
By Simon Ardem
Located in New York, NY
Fancy Intense Yellow Diamond ring with EGL certificate, no.US 47066903D. Center stone: 2.12ct Radiant cut Fancy Intense Yellow VS2 diamond, 8.10 x 6.40 x...
Diamond, 18k Gold, White Gold, Yellow Gold
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
GIA Certified Fancy Yellow Radiant 2.23 Ct Diamond Engagement Platinum Ring
By Simon Ardem
Located in New York, NY
Diamond Platinum Fancy Yellow Ring with GIA certificate, no.1162284198. Center stone: 2.23ct Radiant cut Fancy to Fancy Light Yellow SI1 diamond, 7.3...
Diamond, White 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
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
Fancy Intense Yellow 2.12 Carat Certified Diamond Ring in 18K White Gold
By Simon Ardem
Located in New York, NY
Fancy Intense Yellow Diamond ring with EGL certificate, no.US 47066903D. Center stone: 2.12ct Radiant cut Fancy Intense Yellow VS2 diamond, 8.10 x 6.40 x...
Diamond, 18k Gold, White Gold, Yellow Gold
GIA Certified Engagement Ring Set with 4.02 Carat Princess Cut Diamond
By Simon Ardem
Located in New York, NY
Diamond engagement platinum ring with GIA certificate, no.5121219451 Details are: Center stone: 4.02ct F/SI1 Princess cut diamond, 8.76x 8.45 x 6.27mm . Size 6.5 Proudly crafted by S...
Diamond, Platinum
Engagement Ring Set with a GIA Certified 5.04 Carat Emerald Cut Diamond
By Simon Ardem
Located in New York, NY
Platinum diamond engagement ring with GIA certificate, no.2175597402. Details are: Center stone: 5.04ct/ VS1 emerald cut diamond, 13.17 x 7.98 x 4.97 mm . / Side stones 1.00 ct bag...
Diamond, Platinum
GIA Certified 3.01 Carat Brilliant Round Engagement Ring with Pink Diamonds
By Simon Ardem
Located in New York, NY
Diamond platinum ring with GIA certificate, no. 2223385118. Center stone: 3.01ct / L color, VS2 Brilliant Round cut diamond. Measurements: 8.82 x 8.84 x 5.90 mm. Side stones: .50ct / Fancy Pink Brilliant...
Diamond, Pink Diamond, Rose Gold, 14k Gold
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
GIA Certified 4.54 Carat Asscher Cut Engagement Ring with Natural Pink Diamonds
By Simon Ardem
Located in New York, NY
Diamond engagement ring set in 14K pink gold with GIA certificate, no. 2131165653. Details are: Center stone: 4.54ct / J VS2 Asscher/ square emerald cut diamond with fancy light pink...
Diamond, White Diamond, Pink Diamond, Rose Gold