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30ct Aquamarine

30ct Aquamarine Cocktail Ring
Located in Cincinnati, OH
Approximately 30 carat blue, emerald cut aquamarine in a decorative basket setting Stone measures approximately
Category

Mid-20th Century Unknown Cocktail Rings

Materials

Aquamarine, 14k Gold

30 Ct Aquamarine 3 Ct Sapphires Diamond Ring, 1995
Located in Herzelia, Tel Aviv
Diamond Ring with a 30Ct Aquamarine and 3Ct Sapphires. Massive and fine ring perfectly representing
Category

1990s Cocktail Rings

Materials

Aquamarine, Diamond, Sapphire, 18k Gold

GIA Vintage 30ct Aquamarine Asscher Diamond Ring 18K White Gold Estate Jewelry
By Estate Jewelry
Located in Brambleton, US
GIA Vintage 30ct Aquamarine Asscher Diamond Ring 18K White Gold Estate Jewelry What a great
Category

20th Century Cocktail Rings

Materials

Diamond, Emerald, Aquamarine, 18k Gold, White Gold

30 Carat Heart Aquamarine Ruby Gold Ring
Located in New York, NY
Impressive 20k white gold ring, featuring center approx. 30ct aquamarine ( stone measures approx
Category

20th Century Cocktail Rings

Materials

Aquamarine, Ruby, Gold

33ct Aquamarine Croc Dragon Brooch/pendant in 18ct white gold
Located in Brisbane, AU
A seductive 30ct aquamarine, strangled by the powerful 18ct white gold croc tail. The gently
Category

2010s Australian Artisan Brooches

Materials

Aquamarine, 18k Gold, White Gold

Gorgeous Fancy White Gold 30CT Large Aquamarine Diamond Strand Necklace
Located in New York, NY
A Rare White Gold Aquamarine Diamond Necklace. Necklace is comprised of Finely Set Glittering
Category

21st Century and Contemporary Chain Necklaces

Materials

Diamond, Aquamarine, Gold, 18k Gold

18 Karat Gold and Aquamarine Drop Earring with Boulder Opal and Diamonds
Located in New York, NY
in the Boulder Opal mixed with a custom cut opaque Aquamarine. The diamond accents add a sparkle to
Category

21st Century and Contemporary American Contemporary Drop Earrings

Materials

Aquamarine, Diamond, Opal, Gold, 18k Gold

Recent Sales

Antique Art Deco Aquamarine Diamond Lavaliere Necklace 30ct Aqua
Located in Kendal, GB
cut aquamarine at the bottom weighing an impressive 30 carats (approx.) It has a desirable glacier
Category

Vintage 1920s European Art Deco Pendant Necklaces

Materials

Aquamarine, Diamond, Gold, 15k Gold, Yellow Gold, Platinum

30 ct. Aquamarine Ring
Located in Beverly Hills, CA
Soothing deep blue 30 ct. Aquamarine set in Art Deco Platinum ring. Mounting is set with 0.30
Category

Unknown Fashion Rings

18k White Gold 30ct Aquamarine Dangle Earrings
Located in Miami, FL
18k white gold dangle earrings featuring two brilliant cut oval Aquamarines weighing approximately
Category

21st Century and Contemporary American Modern Drop Earrings

Materials

Aquamarine, 18k Gold, White Gold

Tiffany & Co. Metro Sapphire Aquamarine Iolite Three Bands Stacking Gold Rings
By Tiffany & Co.
Located in Holland, PA
Sapphires total weight approx. .30ct Iolites total weight approx. .30ct Aquamarines total weight approx
Category

21st Century and Contemporary American Band Rings

Materials

Aquamarine, Iolite, Pink Sapphire, 18k Gold

30 Carat Aquamarine Ring
Located in Lake Forest, IL
White gold ring set with an estimated 30ct Aquamarine. The stone measures 22.55 x 16.48 x 10.55mm
Category

20th Century Cocktail Rings

Materials

Aquamarine, 18k Gold

Leo de Vroomen Pearl Aquamarine Gold Brooch
By Leo de Vroomen
Located in Lambertville, NJ
18k gold brooch pin, crafted by Leo de Vroomen, featuring 13.6mm pearl and approximately 29-30ct
Category

20th Century British Brooches

Materials

Aquamarine, Pearl, 18k Gold

Antique Art Deco Aquamarine Gold Ring 30 Carat Aquamarine Emerald Cut
Located in Lancaster, Lancashire
This is a fabulous 15ct yellow gold ring which boasts a 30ct Aquamarine that is Emerald Cut. It
Category

Vintage 1920s British Art Deco Engagement Rings

Materials

Aquamarine, 15k Gold, Yellow Gold

Aquamarine Cushion Cut With White Trilliant Diamond Shoulders Engagement Ring
Located in London, GB
Aquamarine Weighs Approx .87 ct With Brilliant Cut Diamond Side Stones Weighing An Estimated .30ct The
Category

2010s British Contemporary Engagement Rings

Materials

Aquamarine, Diamond, 18k Gold

Early aquamarine & rose diamond pendant / brooch
Located in New York, NY
This huge pendant features two large aquamarines (30ct & 10ct) and is set with rose diamonds. The
Category

French Brooches

Classic 1950s Gold Aquamarine Diamond Ring
Located in Lambertville, NJ
1950s 18k white gold ring with approx. 30ct aquamarine and 0.20ctw diamonds. Ring size is 7, ring
Category

Vintage 1950s More Rings

Materials

Aquamarine, Diamond, 18k Gold

1920s Bailey Banks & Biddle Aquamarine Diamond Platinum Brooch
Located in Chicago, IL
features a large 25ct-30ct Square cut Gem Aquamarine flanked by four large baguette cut diamonds weighing
Category

Early 20th Century American Art Deco Brooches

Materials

Aquamarine, Diamond, Platinum

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IGI 14K 6.19 Ct Natural Emerald&Diamonds Antique Engagement Ring
Located in Kaohsiung City, TW
*IGI 14K 6.19 Ct Natural Emerald&Diamonds Antique Engagement Ring* An IGI-certified natural intense bluish-green emerald weighing 6.19 ct set on a 14K white gold luxury table design...
Category

21st Century and Contemporary Taiwanese Contemporary Engagement Rings

Materials

Diamond, Emerald, Gold, 14k Gold, White Gold

GIA 4.07 Ct 18K White Gold Natural Indicolite Tourmaline Engagement Ring
Located in Kaohsiung City, TW
** GIA-Certified 18K White Gold 4.07 Ct Tourmaline&Diamonds Engagement Ring ** Natural Tourmaline weighing 4.07 ct set on 18K white gold pave' band with FG VS natural round brillian...
Category

21st Century and Contemporary Taiwanese Contemporary Engagement Rings

Materials

Tourmaline, Diamond, White Gold, 18k Gold, Gold

12.27 Carat Oval Aqua Diamond White Gold Vintage Mid-Century Cocktail Ring
Located in Stamford, CT
This stunning 1950's oval aquamarine has a total carat weight of 12.27cts. Perfectly mounted in a 14k white gold cocktail setting. On each side of the aqua are 2 round brilliant cut ...
Category

Mid-20th Century Cocktail Rings

Materials

Aquamarine, Diamond, Gold, 14k Gold, White Gold

12 Carat Oval Shape Ethiopian Opal Cocktail Ring 14 Karat Yellow Gold
Located in New York, NY
12 Carat Oval Shape Ethiopian Opal Cocktail Ring 14 Karat Yellow Gold size 6.5 Oval Natural Opal A classic, Cocktail ring 14 Karat Yellow Gold Estate Size of the opal 19 X 15 MM, ...
Category

2010s Cocktail Rings

Materials

Opal, 14k Gold, Yellow Gold

18 Karat Gold 16.97 Carat Octagon Brazilian Emerald Tennis Line Bracelet
By Vaibhav Dhadda
Located in Jaipur, Rajasthan
The 18 karat gold 16.97 carat octagon Brazilian emerald tennis line bracelet is a masterpiece of fine jewelry that exudes luxury and elegance. This bracelet showcases a stunning coll...
Category

21st Century and Contemporary Indian Modern Tennis Bracelets

Materials

Emerald, Gold, 18k Gold, Yellow Gold

Valentino 98 Vintage black embellished tassel backless sequin maxi dress gown
By Valentino
Located in Milano, Lombardia
LOVE LALI Vintage An incredibly rare black embellished gown from Valentino Spring/Summer 1998 Beautiful fine silk crepe that is cut on the bias, means that the dress drapes and moul...
Category

1990s Italian Evening Gowns

Insane Vintage 18ct White Gold Aquamarine and Diamond Cocktail Ring
Located in Chipping Campden, GB
Insane Vintage 18ct White Gold Aquamarine and Diamond Cocktail Ring the most outstanding chunky aquamarine stone with the most wonderful diamond shoulders! perfect statement ring! ...
Category

Vintage 1980s European Art Deco Cocktail Rings

Materials

Aquamarine, Diamond, White Gold

Antique 18ct White Gold 1920’s Square Cut Aquamarine & Diamond Ring
Located in Brighton, GB
Antique Square Cut Aquamarine Ring 18ct White Gold Circa 1920’s Fabulous Square Cut Aquamarine Set with a Beautiful Halo of 8 Cut Diamonds Face of The Ring Measures Approx 14....
Category

Early 20th Century English Engagement Rings

Materials

Aquamarine, Diamond, 18k Gold, White Gold

Antique Old Mine Cut Diamond Gold Earrings
Located in Cairo, EG
Antique 18k yellow and white gold dangling earrings with 4 old european cut diamonds with a total diamond weight of 2.30 carats smaller diamonds 0.15ct each and larger diamond 1 cara...
Category

Vintage 1920s Dangle Earrings

Materials

Diamond, 18k Gold

Late Victorian Opal and Diamond Tiara
Located in London, GB
A late Victorian opal and diamond tiara/necklace, consisting of seven knife-edge gold bars graduating from the centre, each set with two round cabochon-cut opals and an old-cut diamo...
Category

Antique 1890s European Victorian Drop Necklaces

Materials

Diamond, Opal, 18k Gold, Silver

GIA Certified 54.52 Carat Emerald Cut Diamond and Platinum Tennis Bracelet
By GEMME
Located in New York, NY
The Ultimate Emerald Cut Tennis Bracelet Each stone weighing 2 carats each with GIA Certificates grading the stones D-F color and VS-VVS clarity. Set in Platinum. 7 inches. Weights...
Category

2010s American Tennis Bracelets

Materials

Diamond, Platinum

Christian Dior 1970s Fox Fur Coat
By Christian Dior
Located in Scottsdale, AZ
Get your hands on this breath taking 1970s Christian Dior fox fur coat! The most luxurious and dramatic classic fur coat in an eye catching contrasting brown fur. Beautiful stripes o...
Category

1970s French Coats

Platinum 18.36 Carat Aquamarine and Diamond Cocktail Ring
Located in New York, NY
Elevate your style with the captivating Platinum 18.36 Carat Aquamarine and Diamond Cocktail Ring. • Stunning 18.36-carat aquamarine center stone • Sparkling round diamonds (0.18 ca...
Category

21st Century and Contemporary Art Deco Cocktail Rings

Materials

Aquamarine, Diamond, Platinum

AJD Beyond Magnificent Brilliant Natural 25.3Ct, Intense Blue Aquamarine Ring
By Aria Jewelry Design
Located in Raleigh, NC
This gorgeous ring is natural Aquamarine measuring 21.4 mm x 17 mm and is 25.3 carats. There are NO EYE VISIBLE inclusions in this magnificent simply set gemstone. This is set in S...
Category

2010s Brazilian Contemporary Cocktail Rings

Materials

Aquamarine, Silver

GIA Certified 7.0 Carat Heart Shape Pink Diamond Cocktail Ring
By GEMME
Located in New York, NY
Heart Shape Diamond weighing 7.0 Carat with GIA certificate stating the Diamond is of Fancy Pink color and VS2 Clarity. Surrounded by reverse set White Diamonds weighing 5.02 Carats....
Category

2010s American Cocktail Rings

Materials

Pink Diamond, Platinum

Emilio Jewelry Gia Certified 55.00 Carat Diamond Necklace
By Emilio!
Located in New York, NY
From the Museum Vault At Emilio Jewelry located on New York's Iconic Fifth Avenue, A magnificent necklace hand made in the Emilio Atelier, the focal point of this necklace is the Cen...
Category

21st Century and Contemporary Choker Necklaces

Materials

Diamond

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30ct Aquamarine For Sale on 1stDibs

Surely you’ll find the exact 30ct aquamarine you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. Find an antique version now, or shop for 4 vintage or 7 modern creation for a more contemporary example of these cherished accessories. If you’re looking for a 30ct aquamarine from a specific time period, our collection is diverse and broad-ranging, and you’ll find at least one that dates back to the 20th Century while another version may have been produced as recently as the 21st Century. As it relates to this specific piece, our collection includes designs that are universally popular, but carat weights, specifically, are sought with frequency. There have been many well-made iterations of the classic 30ct aquamarine over the years, but those made by Colleen B. Rosenblat and Lawrence Jeffrey are often thought to be among the most beautiful. A 30ct aquamarine of any era or style can lend versatility to your look, but a version featuring Aquamarine, from our inventory of 9, is particularly popular. See these pages for an emerald cut iteration of this accessory, while there are also mixed cut cut and cabochon cut versions available here, too. If you’re browsing our inventory for a 30ct aquamarine, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.

How Much is a 30ct Aquamarine?

Prices for a 30ct aquamarine can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $1,375 and can go as high as $14,092, while this accessory, on average, fetches $6,392.

The Legacy of Aquamarine in Jewelry Design

Perhaps the one gemstone that best embodies the glimmering blue of the ocean is aquamarine, not just in name but also in color. Aqua marina (Latin for water and sea), March’s birthstone, is often crystal clear and blue. Often affordable in price, vintage and antique aquamarine jewelry belongs in everyone’s jewelry box.

Aquamarine is a precious gemstone from the mineral beryl family. Its cousin is the emerald. Like other beryl varieties, aquamarines are rated 7.5 to 8 on the Mohs Hardness Scale. This means that they are soft enough for jewelers to cut to their client’s specs but also durable enough for daily wear.

On land or sea, aquamarines feature prominently in many folk tales, including one about mermaids gifting aquamarine to sailors to protect them during sea voyages. Worn around sailors’ necks as an amulet, it kept them from getting seasick and, most importantly, from shipwrecks. Considered a symbol of courage by some, aquamarine amulets were also favored by Egyptian and Hebrew warriors during battle.

Aquamarine has also made appearances on some of the grandest of great dames. The Brazilian government gifted Eleanor Roosevelt with a 1,847-carat aquamarine in 1935 and Queen Elizabeth II received a sizable aquamarine upon her 1953 coronation; this stone is now the focal point of her aquamarine tiara. And renowned Tiffany & Co. designer Jean Schlumberger made a diamond Bow setting for a 148.5-carat aquamarine, which was originally exhibited at the 1893 World’s Columbian Exhibition, now in the collection of the Field Museum of Natural History in Chicago.

On 1stDibs, find a range of vintage and antique aquamarine jewelry that includes unique aquamarine rings, necklaces and other accessories.