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.
'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...
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum
$22,500 / item
Oval Diamond Eternity Band
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in shared prong Platinum. Prong set fifteen oval cut diamonds D-F VVS2-VS2. All stones are perfectly matching and at least 6mm long. Polish is from Excellen...
Diamond, 14k Gold, 18k Gold, White Gold, Yellow Gold, Platinum
$2,700 / item
9 princess cut channel set band
By Simon Ardem
Located in New York, NY
This ring features 9 princess cut diamonds in a channel setting in platinum. This ring is exclusively for custom order only and take 3-4 weeks for production to be completed. We can ...
14k Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum
Micro Pave Black Diamond .50 Carat Eternity Wedding Band in Rose Gold
By Simon Ardem
Located in New York, NY
Black Diamond eternity wedding band set in 14K Rose gold. Pave set brilliant round diamonds are natural black. Carat weight: .50 ct. Total ring weight: 1.50 grams. Ring size: 5.25. C...
Diamond, Black Diamond, 14k Gold, Rose Gold
$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 6.22 Carat Emerald Cut Diamond and Platinum Wedding Eternity Band
By Simon Ardem
Located in New York, NY
Diamond Wedding Eternity Band set in Platinum, featuring 20 beautifully matched Emerald cut diamonds with shared prongs. This classic piece has the following specifications; D-E-F-G...
Diamond, Emerald, Platinum
Micro-Pave Pink Diamond 1.50 Carat Eternity Wedding Band in 18K Rose Gold
By Simon Ardem
Located in New York, NY
Natural Pink Diamond eternity wedding band set in 18K Rose gold. Pave set brilliant round diamonds are Natural Fancy Pink VS1-SI1. Carat weight: 1.50 ct. Total ring weight: 2.5 grams...
Pink Diamond, Rose Gold
$7,250 / item
Oval Diamonds East West setting
By Simon Ardem
Located in New York, NY
This ring features 15 Oval diamonds set East - West style in a platinum setting. Total carat weight - 2.70 carats approximately. The diamonds are EF color and VS1- SI1 clarity. Thi...
Diamond, 14k Gold, 18k Gold, White Gold, Yellow Gold, Platinum
$32,500 / item
Radiant Cut Eternity Band 7.50 Carat
By Simon Ardem
Located in New York, NY
This platinum radiant cut eternity band features 20 radiant cut stones, EF color and VS1-SI1 clarity. The total carat weight is approximately 7.50 carats. Each stone has 5.70 mm wid...
Diamond, 14k Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum
$32,000 / item
GIA Certified 7.5 Carat Emerald Eternity Band
By Simon Ardem
Located in New York, NY
This ring has 17 GIA certified emerald cut diamonds, with each diamond weighing 0.50 carats on average, with tapered basket set in platinum. The cumulative carat weight of the diamon...
Emerald, 14k Gold, 18k Gold, White Gold, Yellow Gold, Platinum
3.80 Carat Emerald Cut Diamond Wedding Eternity Band In Platinum
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in Platinum. 22 Emerald cut diamonds are D-E-F VVS2-VS2. Carat weight: 3.80 ct. Total ring weight: 4.5 grams. Ring size: 5.5. Can be sized upon request. Thi...
Diamond, Emerald, Platinum
1.10 Carat Micro-Pave Fall Colors Diamond Eternity Wedding Band In Rose Gold
By Simon Ardem
Located in New York, NY
Diamond eternity wedding band set in 14K Rose gold. Pave set Brilliant Round Diamonds are Natural Pinkish-Brown/Orangish-Brown VS1-SI1. Carat weight: 1.10 ct. Total ring weight: 2.30...
Diamond, 14k Gold, Rose Gold
1.50 Carat Brilliant Round Diamond French Cut Eternity Band
By Simon Ardem
Located in New York, NY
Diamond Eternity Wedding Band set in Platinum. 25 French cut micro-pave set brilliant round diamonds are F-G VS2. Carat weight = 1.5ct. Total ring weight 4 grams. Ring size 5.25. C...
Diamond, White Diamond, Platinum
5.00 Carat Bezel Set Octagonal Diamond Eternity Band
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in 14K White Gold. 11 Large Round Brilliant diamonds and small pave diamonds are F-G SI1-SI2. Total Carat weight: 5.00ct. Total ring weight: 5.9 grams. Ring...
Diamond, White Diamond, Platinum
18 Karat Yellow Gold Pavé Diamond Eternity Wedding Band
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in 18K Yellow gold. Pave set brilliant round diamonds are F-G VS2. Carat weight: .78 ct. Total ...
Diamond, 18k Gold, Yellow Gold
$8,800 / item
Oval East West Eternity Band
By Simon Ardem
Located in New York, NY
This Molina Eternity Band features 12 Oval diamonds with approximately 2.70 carat total weight set in platinum. This ring is exclusively available for custom order and we can customi...
14k Gold, 18k Gold, Rose Gold, White Gold, Yellow Gold, Platinum
$6,000Sale Price / item|20% Off
3.25 Carat Fancy Yellow Square Radiant Diamond Eternity Band
By Simon Ardem
Located in New York, NY
Channel set Diamond Eternity Band set in 18K yellow gold. 24 special cut diamonds are Fancy Yellow VVS2-SI1. Carat weight...
Yellow Diamond, Diamond, 18k Gold
Micro-Pave Pink Diamond .60 Carat Eternity Wedding Band in 14K Rose Gold
By Simon Ardem
Located in New York, NY
Natural Pink Diamond eternity wedding band set in 14K Rose gold. Pave set brilliant round diamonds are Natural Fancy Light - Fancy Pink VS1-SI1. Carat weight: .60 ct. Total ring weig...
Pink Diamond, Rose Gold
GIA Certified 6.61 Carat Asscher Cut Diamond Wedding Eternity Band
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in Platinum. 16 Asscher cut diamonds are D-E-F-G VVS1-VS1. Carat weight: 6.61 ct. All stones are GIA-Certified. Total ring weight: 6.25 grams. Ring size: 6....
Diamond, Platinum
4.90 Carat Round Diamond Bezel Set Octagonal Eternity Wedding Band in 14K White
By Simon Ardem
Located in New York, NY
Natural Diamond Eternity Band set in 14K White gold. 11 Large Round Brilliant diamonds and small pave diamonds are F-G SI1-SI2. Total Carat weight: 4.90ct. Total ring weight: 5.16 gr...
Diamond, White Diamond, 14k Gold, White Gold
4.90 Ct Round Diamond Bezel Set Octagonal Eternity Band
By Simon Ardem
Located in New York, NY
Natural Diamond Eternity Band set in 14K White gold. 11 Large Round Brilliant diamonds and small pave diamonds are F-G SI1-SI2. Total Carat weight: 4.90ct. Total ring weight: 5.0 gra...
Diamond, White Diamond, 14k Gold, White Gold
.80 Carat Brilliant Round Diamond Eternity Wedding Band in Platinum
By Simon Ardem
Located in New York, NY
Natural Brilliant Round Diamond eternity band set in Platinum. 80ct F-G VS1-VS2 Brilliant Round diamonds. Total ring weight: 5.8 grams. Ring size: 5.25. Can be sized upon request. ...
Diamond, White Diamond, Platinum
GIA Certified 4.27 Carat Emerald Cut East West Style Eternity Band
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in Platinum. 14 horizontal set Emerald cut Diamonds: D-E-F VVS2-VS2. All diamonds are GIA-Certified. No Fluorescence. Carat weight: 4.27ct. Total ring weigh...
Diamond, Emerald, Platinum
$5,600Sale Price|20% Off
Certified 1.04 Ct Fancy Yellow Oval Cut Engagement Ring in Platinum
By Simon Ardem
Located in New York, NY
Diamond platinum ring with EGL certificate, no.US3143198050D. Center stone: 1.04 ct SI1 Oval cut Fancy Yellow diamond, 7.00 x 4.90 x 4.43mm. Side stones: .32ct H-I-J VS1-SI1 Brillian...
Diamond, 18k Gold, Yellow Gold, Platinum
$4,400 / item
Brilliant round eternity band
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in White Gold. 14 Round Brilliant diamonds are F-G VS2-SI1. Carat weight 2.2 total carat weight. Total ring weight 2.8 grams. Ring size 5.25. Can be sized u...
2.10 Carat Oval Brilliant Cut Diamond Band in 14K White Gold
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in 14K white gold. Prong set 7 Oval Brilliant cut diamonds: E-F VS2-SI1. All stones are perfectly matching. Carat weight: 2.10 ct. Total ring weight: 2.5gr...
Diamond, 14k Gold, White Gold
3.10 Carat Asscher Cut Diamond Wedding Eternity Band In Platinum
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in Platinum. 22 Asscher cut diamonds are D-E-F VVS2-VS2 . Carat weight: 3.10ct. Total ring weight: 3.9 grams. Ring size: 5.75. Can be sized upon request. Th...
Diamond, White Diamond, 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...
$1,744Sale Price|20% Off
Diamond Wedding Band Princess Cut Channel Set in White Gold
Located in Tampa, FL
Diamond Wedding Band Princess Cut Channel Set in 14 Karat White Gold Diamond: Shape - Princess Carat Weight - 1.01 Carats Color - F to H Cl...
Diamond, White Gold, 14k Gold
$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
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
.50 Carat Round Diamond Yellow Gold Eternity Wedding Band Ring
Located in Stamford, CT
Diamond wedding band. 33 round cut diamonds set in a 18k yellow gold eternity setting with swirl engraving on both sides. 33 round cut diamonds, approx. total weight. .50cts VS, G ...
Diamond, Gold, 18k Gold, Yellow 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
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 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
Alternating Pink Sapphire and Diamond Eternity Band Ring
By GEMME
Located in New York, NY
8 Pink Sapphires weighing 2.55 Carats 8 Round Diamonds weighing 1.94 Carats. Set in Platinum. Size 6. Also available in Blue Sapphire, Emeralds and Rubies. Can be ordered in any size.
Diamond, Pink Sapphire, Platinum
14 Karat White Gold Channel Set Princess Cut Diamond Band
Located in Scottsdale, AZ
Designer: custom Material: 14K white gold Diamond: 15 princess cut = 0.45cttw Color: G Clarity: SI1 Size: 5.25 complimentary sizing available Weight: 2.53 grams
Diamond, 14k Gold, White Gold
25-Carat D Flawless Type IIA Diamond Ring GIA Certified Rare Investment-Grade
Located in Mumbai, IN
Step into the world of ultimate rarity with this 25-carat D Flawless Type IIA round diamond ring, a true masterpiece offered by Legacy Diamonds & Gemstones. Known as the “perfect dia...
Diamond, White Diamond, 18k Gold
$2,583Sale Price / item|30% Off
18 Karat Rose Gold 7.61 Carat Multi-Sapphire and Diamond Eternity Band Ring
By Gems Paradise
Located in Jaipur, IN
18 Karat Rose Gold 7.61 Carat Multi-Sapphire and Diamond Eternity Band Ring This impeccable rainbow multi-sapphire and diamond band is incredible. The solitaire horizontally placed ...
Diamond, Sapphire, Gold, 18k Gold, Rose Gold
GIA Certified 6.22 Ct Emerald Cut Natural Diamond Wedding Eternity Band
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in Platinum. 20 Emerald cut diamonds = 6.22 ct. Color: D(9 stones)-E(5 stones)-F(5stones)-G(1 stone, F looking). Clarity: VVS1(1 stone)-VVS2(10 stones)-VS1...
Diamond, Emerald, 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
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
.50 Carat Platinum Pavé Diamond Eternity Wedding Band
By Simon Ardem
Located in New York, NY
Diamond Eternity Wedding Band set in Platinum. Pave set brilliant round diamonds are F-G VS2. Carat weight = .50 ct. Total ring weight 1.90 grams. Ring size 5.75. Can be sized upon ...
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
Bezel Set Octagonal Diamond Eternity Wedding Band 5.04 Carat
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in 14K White gold. 12 Large Round Brilliant diamonds (4.74 carats) and small pave diamonds are F-G SI1-SI2 . Total Carat weight = 5.04ct. Total ring weight...
Diamond, White Diamond, 14k Gold, White Gold
Emerald Cut 5.85 Carat Diamond Wedding Eternity Band Set in Platinum
By Simon Ardem
Located in New York, NY
Diamond Eternity Band set in Platinum. 19 Emerald cut diamonds are D-E-F VVS2-VS2 . Carat weight = 5.85 ct. Total ring weight 6.82 grams. Ring size 5.5. Can be sized upon request. Th...
Diamond, Platinum
GIA Certified 2.33 Carat Fancy Yellow Radiant Diamond Ring in Platinum
By Simon Ardem
Located in New York, NY
Diamond ring with GIA certificate, no.5161627817. Center stone: 2.33ct/ VS2 radiant cut light to Fancy light yellow diamond, 8.47x 7.26 x 4.60 mm. Side stone .50 ct brilliant round d...
Diamond, White Diamond, Yellow Diamond, 18k Gold, Yellow Gold, Platinum