Skip to main content

18 Ct Tanzanite

30
to
57
142
129
302
166
52
22
8
5
5
5
4
2
1
1
1
14
12
12
11
10
Sort By
18 Ct Yellow & White Gold Tanzanite & Diamond Studs
Located in Cape Town, ZA
grams. They feature 2 Triangular Cut Tanzanite’s weighing 1 carat in total and 30 RBC Diamonds weighing
Category

21st Century and Contemporary Unknown Modern Stud Earrings

Materials

Diamond, Tanzanite, White Gold

1.22 Ct Blue Tanzanite 18 Karat White Gold Cross Necklace
By ALPENGEM
Located in Montreux, VD
This elegant 1.22 ct Blue Tanazanite necklace features 5 gem crosses with 30 round cut tanzanites
Category

2010s Contemporary Chain Necklaces

Materials

Tanzanite, White Gold

11.509 Ct Tanzanite Diamond 18 K White Gold Cocktail Ring
By ALPENGEM
Located in Montreux, VD
Size: 55 RD: 98 BS: 1 BS (small): 34 18 K White Gold: 2.13 GMS Tanzanite is a pleochroic gem
Category

2010s Contemporary Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold

18 Karat White Gold Ring 10.43 Ct Cabochon Tanzanite & 0.35 Ct White Diamonds
Located in Bergamo, BG
18 kt white gold ring with cabochon-cut tanzanite ct 10.43 surrounded by white natural diamonds
Category

Late 20th Century Italian Cocktail Rings

Materials

White Diamond, Tanzanite, 18k Gold, White Gold

43.66 Ct Tanzanite Diamond 18 K White Gold Pendant Necklace
By ALPENGEM
Located in Montreux, VD
rectangular cushion brilliant cut natural tanzanite. The 20.44 x 19.23 x 12.19 mm, 40.78 Ct tanzanite is of
Category

20th Century Russian Empire Pendant Necklaces

Materials

Diamond, Tanzanite, White Gold

3.6 Ct Round Tanzanite & 3.6 Ct Rose Cut Diamond Post Earrings in 18 Karat Gold
Located in New York, NY
3.6 Ct Round Tanzanite & 3.6 Ct Rose Cut Diamond Post Earrings in 18 Karat Gold 3.6 Ct natural
Category

2010s Stud Earrings

Materials

Diamond, Tanzanite, 14k Gold, White Gold

18 Kt. White Gold Rosette Diamonds Ring with 0.90 Ct Tanzanite
Located in AMSTERDAM, NL
tanzanite of approx. 0.90 ct, surrounded by 10 pieces of brilliant cut diamonds totaling approx. 0.60 ct of
Category

Vintage 1980s European Contemporary Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

IGR Certified 1.58 CT Pear Tanzanite 0.41 CT Diamond 18 KT Gold Engagement Ring
Located in London, GB
A beautiful 1.58 Carat pear shaped tanzanite engagement ring featuring 0.41 Carat of white Color G
Category

2010s British Modern Engagement Rings

Materials

Diamond, White Diamond, Tanzanite, Gold, 18k Gold, White Gold

0.24 Ct Blue Tanzanite White Gold Necklace
By ALPENGEM
Located in Montreux, VD
This elegant 0.24 ct Blue Tanazanite necklace features a gem cross with 6 round cut tanzanites on a
Category

2010s Contemporary Chain Necklaces

Materials

Tanzanite, White Gold

1.98 Ct Cushion Solitaire Tanzanite Gemstone Wedding Ring 18 Karat Rose Gold
By Spectrum Jewels
Located in IN
Item Code :- SER-22342 Gross Weight :- 4.14 grams 18k Rose Gold Weight :- 3.74 grams Tanzanite
Category

21st Century and Contemporary Indian Modern Solitaire Rings

Materials

Tanzanite, 18k Gold, Rose Gold

0.90 Ct Solitaire Tanzanite Gemstone Engagement Ring 18 Karat Rose Gold Jewelry
By Spectrum Jewels
Located in IN
Tanzanite Weight :- 0.90 Carat Ring Size :- 7 US & All size available ✦ Sizing ..................... We can
Category

21st Century and Contemporary Indian Modern Solitaire Rings

Materials

Tanzanite, 18k Gold, Rose Gold

48.48 ct Blue Tanzanite & Sapphire 18 kt Yellow Gold with Black Rhodium Earrings
By Contemporary
Located in Miami, FL
48.48 ct Blue Tanzanite & Sapphire 18 kt Yellow Gold with Black Rhodium Earrings These trend
Category

2010s Dangle Earrings

Materials

Blue Sapphire, Tanzanite, Sapphire, 18k Gold, Yellow Gold, Rhodium

Rectangular Tanzanite AAA+ 4.70 Ct Dream Earrings with Diamonds 18 Kt White Gold
Located in Viena, Viena
one of the most expensive gemstones, 2 rectangular cut tanzanites total approx. 4.70 ct, AAA+, great
Category

2010s Italian Modern Dangle Earrings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

6.7 Carat Tanzanite & 2.5 Ct Diamond Two Circles Pendant/ Necklace 18 Karat Gold
Located in New York, NY
6.7 Ct Tanzanite & 2.5 Ct Diamond Two Circles Pendant/ Necklace 18 K White Gold Tanzanite Weight
Category

2010s Drop Necklaces

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Violet Blue Colour 7.50 Ct Tanzanite Diamond Earrings
Located in Napoli, IT
in Tanzanite, good clarity too, 7.50 Ct carat weight for both gemstones (11 x 8 mm. – average) swing
Category

21st Century and Contemporary European Contemporary Drop Earrings

Materials

Diamond, Tanzanite, 18k Gold

5.56 Ct Natural Tanzanite & 0.69 Ct Natural Diamond Ring in 18KW Gold
Located in New York, NY
This extraordinary 5.56 carat Tanzanite is a true gemstone that is highly treasured. It is
Category

21st Century and Contemporary Indian Cocktail Rings

Materials

Diamond, Tanzanite

Certified 5.76 Carat Triangle Tanzanite 1.00 CT Round Diamond 18 Karat Gold Ring
Located in London, GB
A beautiful 5.76 Carat modified triangle shaped Tanzanite engagement ring featuring 1.00 Carat of
Category

2010s British Modern Engagement Rings

Materials

Diamond, White Diamond, Tanzanite, Gold, 18k Gold, White Gold

13.27 Ct Natural Tanzanite & 3.4 Ct Natural Diamond Ring in 18KW Gold
Located in New York, NY
This extraordinary Huge 13.27 carat tanzanite is a true gemstone that is highly treasured. It is
Category

2010s Indian Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold

10.10 Ct Natural Tanzanite Cabochon & 0.40 Ct Natural Diamond Ring in 18KW Gold
Located in New York, NY
This extraordinary large Cabochon of 10.10 carat tanzanite is a true gemstone that is highly
Category

2010s Indian Cocktail Rings

Materials

Diamond, Tanzanite

Tanzanite and 2.46 Ct Gray Diamonds Silver Bangle Bracelet
Located in Cattolica, IT
18 irregular and different oval cut Tanzanite in very particular blu/ purple color. Every stone is
Category

2010s Indian Retro Bangles

Materials

Diamond, Tanzanite, Silver

12.88 Ct Natural Tanzanite Cabochon & 0.55 Ct Natural Diamond Ring in 18KW Gold
Located in New York, NY
This extraordinary large Cabochon of 12.88 carat tanzanite is a true gemstone that is highly
Category

21st Century and Contemporary Indian Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold

Tanzanite, Diamonds, 18 Karat Rose Gold Ring.
Located in Marcianise, Marcianise (CE)
structure mounted with four drop tanzanite surrounded by diamonds. Diamonds 0.72 ct Tanzanite 1.57 ct Total
Category

2010s Italian Modern Fashion Rings

Materials

Diamond, Tanzanite, 18k Gold, Rose Gold

Tanzanite, Diamonds, 18 Karat White Gold Earrings.
Located in Marcianise, Marcianise (CE)
structure mounted with a drop tanzanite surrounded by diamonds. Diamonds 0.43 ct Tanzanite 2.60 ct Total
Category

2010s Italian Modern Stud Earrings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Ring with 2 carat tanzanite stone and diamonds in 18 ct. white gold
Located in Münster, DE
Ring with tanzanite, approx. 2 ct., surrounded by brilliant-cut diamonds, total approx. 0.12 ct
Category

Vintage 1960s German Modern Collectible Jewelry

Materials

Gold

AIG Certified 123.65 Ct Emeralds Tanzanites Tourmalines Diamonds 18K gold Parure
Located in Massafra, IT
, 3 pcs Drop Rubellite Tourmalines of 26.57 cts, and 3 Drop Tanzanites of 43.65 cts. All fully
Category

21st Century and Contemporary Multi-Strand Necklaces

Materials

Diamond, Emerald, Tanzanite, Tourmaline, 18k Gold

18 Karat Rose Gold Tanzanite Diamond Ring
By VR Jewels
Located in Houston, TX
. > Material - 18K Solid Rose Gold > Gemstone - Tanzanite > Gemstone Weight - 1.15 ct > Gemstone pcs - 1
Category

21st Century and Contemporary American Modern Bridal Rings

Materials

Tanzanite, Diamond, Gold, 18k Gold, Rose Gold

Diamonds, Tanzanite, 18 Karat White Gold Ring
Located in Marcianise, Marcianise (CE)
totally handmade by Italian master goldsmiths and it is in perfect condition. Diamonds 0.9 ct tanzanite
Category

Vintage 1980s Italian Retro Three-Stone Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Tanzanite & Diamond Earring in 18 karat White Gold
Located in JAIPUR, IN
Elegant and Exquisitely Detailed White Gold Earring, with 24.00 ct's (approx.) Tanzanite
Category

2010s Indian Drop Earrings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Tanzanite & Diamond Earring in 18 karat White Gold
Tanzanite & Diamond Earring in 18 karat White Gold
Free Shipping
H 0.68 in W 0.79 in L 1.15 in
18 Karat White Gold Tanzanite and Diamond Ring
Located in Washington Depot, CT
18 Karat White Gold Tanzanite and Diamond Ring Size 7.5 GAI Certified- This stunning ring features
Category

20th Century Fashion Rings

Materials

Diamond, Tanzanite, White Gold

Tanzanite, Diamonds, 18 Karat White Gold Modern Earrings.
Located in Marcianise, Marcianise (CE)
mounted with a central tanzanite surrounded by a frame of diamonds. Diamonds 0.55 ct Tanzanite 1.00 ct - 6
Category

2010s Italian Modern Stud Earrings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Gianni Lazzaro Tanzanite 49 Ct Diamond White 18K Gold Pendant for Her
By Natkina
Located in Montreux, CH
ct HSI Tanzanite 1-49,00 ct With a heritage of ancient fine Swiss jewelry traditions, NATKINA is a
Category

21st Century and Contemporary Swiss Modern Pendant Necklaces

Materials

Diamond, Tanzanite, Gold, 18k Gold

Fraleoni 18 Kt. White Gold Diamond Tanzanite Earrings
By FRALEONI
Located in Rome, IT
Orecchini realizzati a mano in Italia in oro bianco 18 kt. con diamanti e tanzaniti cabochon
Category

2010s Italian Modern Dangle Earrings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

10.8 CT's Tanzanite and Diamond Ring in 18Karat White Gold Beautifull Ring
Located in JAIPUR, IN
approx. 2.2 CT's (approx.). total carats weight the beauty of the Ring. Beautifully Handcrafted in 18
Category

2010s Indian Fashion Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Tanzanite, Diamonds, 18 Karat Yellow Gold Retrò Ring
Located in Marcianise, Marcianise (CE)
perfect conditions. Diamonds 1.00 ct Tanzanite 10.21 ct Total Weight 8.20 gr RF ++OFII Italian Size 13.5
Category

Vintage 1960s Italian Retro Cluster Rings

Materials

Diamond, Tanzanite, 18k Gold, Yellow Gold

18 Karat White Gold Tanzanite and Diamond Ring #13691
Located in Washington Depot, CT
Vintage 18 Karat White Gold Tanzanite and Diamond Ring Size 5.75 JAGi Certified- This stunning
Category

20th Century Three-Stone Rings

Materials

Diamond, Tanzanite, White Gold

18 Karat White Gold Tanzanite Diamond Sapphire Earrings
By MOISEIKIN
Located in Hong Kong, HK
, releasing the maximum light. 18K Gold Earrings 3020113036 Gold 18 K,Weight 14.57 g, 28 Diamond 0.78 ct 56
Category

2010s Russian Contemporary Lever-Back Earrings

Materials

Diamond, Sapphire, Blue Sapphire, Tanzanite, 18k Gold, White Gold

Tanzanite Tourmaline Diamond 18 Karat Gold Heart Ring
By Meghna Jewels
Located in Hoffman Estate, IL
Weight - 3.369 gm Size - US-7 Gold Weight - 2.98 gm Gemstone - Tanzanite (0.54 Ct), Tourmaline (0.98 Ct
Category

21st Century and Contemporary Unknown Modern Wedding Rings

Materials

Tanzanite, Tourmaline, Diamond, Gold, 18k Gold

Tanzanite Tourmaline Diamond 18 Karat Gold Heart Ring
By Meghna Jewels
Located in Hoffman Estate, IL
Weight - 2.958 gm Size - US-7 Gold Weight - 2.579 gm Gemstone - Tanzanite (0.67 Ct), Tourmaline (0.82 Ct
Category

21st Century and Contemporary Unknown Modern Wedding Rings

Materials

Tanzanite, Tourmaline, Diamond, Gold, 18k Gold

Tanzanite Tourmaline Diamond 18 Karat Gold Heart Ring
By Meghna Jewels
Located in Hoffman Estate, IL
Weight - 2.958 gm Size - US-7 Gold Weight - 2.579 gm Gemstone - Tanzanite (0.67 Ct), Tourmaline (0.82 Ct
Category

21st Century and Contemporary Unknown Modern Band Rings

Materials

Tanzanite, Tourmaline, Diamond, Gold, 18k Gold

Diamonds, Tanzanite, 18 Karat White Gold Flowers Ring.
Located in Marcianise, Marcianise (CE)
three flowers studded with a central tanzanite surrounded by diamonds. Diamonds 0.90 ct Tanzanite 1.36
Category

2010s Italian Modern Fashion Rings

Materials

Tanzanite, Diamond, Tsavorite, White Gold, 18k Gold

Fraleoni 18 Kt. White Gold Diamonds Tanzanite Cocktail Ring
By FRALEONI
Located in Rome, IT
Anello realizzato a mano in Italia in oro bianco 18 kt. con diamanti e tanzanite. Questo pezzo fa
Category

2010s Italian Modern Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Estate 39.06 Ct Tanzanite Necklace & 1.35ct Solitaire Diamond, TDW 7Ct, 18K Gold
Located in New York, NY
size diamonds round around tanzanite only enhances its incredible beauty. 18 K Yellow gold 21.15 gm
Category

2010s Drop Necklaces

Materials

Diamond, Tanzanite, Yellow Gold, 18k Gold

Fraleoni 18 Kt. White Gold Diamonds Tanzanite Cocktail Ring
By FRALEONI
Located in Rome, IT
Anello realizzato a mano in Italia in oro bianco 18 kt. con diamanti taglio triangolo e tanzanite
Category

2010s Italian Modern Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Tanzanite & Diamond Studded Ring in 18 Karat White Gold
Located in JAIPUR, IN
Tanzanite set in the center beautifully accented with Micro pave set Diamonds, weighing approx. 4.9 CT
Category

2010s Indian Cocktail Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Cober “African dream”with 15.56 ct. Tanzanite and 2 Diamonds YellowGold Pendant
By Vincent Cober
Located in OSS, NH
15.56 ct. Tanzanite and 2 Diamonds Pendant Cober Jewellery This is a Stunning Crown Pendant by Cober
Category

2010s Dutch Contemporary Pendant Necklaces

Materials

Diamond, Tanzanite, Gold, 18k Gold, Yellow Gold

Ring with Tanzanite & Diamonds in 18 Karat White Gold
Located in Lucerne, CH
jewelry connoisseurs. 18 Karat white gold 1 tanzanite, pear cut, tot. 5.01 ct. 42 diamonds, brilliant
Category

21st Century and Contemporary European Modern Cocktail Rings

Materials

Diamond, Tanzanite, 10k Gold, 18k Gold, White Gold

Estate 18 kt Yellow Gold Tanzanite and Diamond Ring
Located in New York, NY
18 kt Yellow Gold Tanzanite: 2.09 tcw (estimated) Diamond: 1.05 ct twd (estimated) Ring Size: 7.5
Category

21st Century and Contemporary More Rings

Materials

Diamond, Tanzanite, 18k Gold, Yellow Gold

Stunning 18k White Gold Halo Ring 0.71 Ct Natural Tanzanite & Diamonds NGI Cert
Located in רמת גן, IL
A beautiful ring with a dazzling 0.61 carat natural Tanzanite. It has 0.1 carat of side diamonds
Category

2010s Singaporean Cluster Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Gianni Lazzaro Tanzanite 24, 96 Ct Diamond White 18K Gold Ring for Her
By Natkina
Located in Montreux, CH
ct HSI Tanzanite 1-24,96 ct With a heritage of ancient fine Swiss jewelry traditions, NATKINA is a
Category

21st Century and Contemporary Swiss Modern Cocktail Rings

Materials

Diamond, Tanzanite, Gold, 18k Gold

Coral, Tanzanite, Moonstones, Sapphires, Diamonds, 18 Karat Gold Pendant.
Located in Marcianise, Marcianise (CE)
diamonds and sapphires. As pendant, a drop tanzanite. Diamonds 6.20 ct Sapphires 2.37 ct Moonstones 18.78
Category

Vintage 1950s Italian Retro Pendant Necklaces

Materials

Coral, Diamond, Moonstone, Sapphire, Tanzanite, Gold, 18k Gold, White Go...

Fraleoni 18 Kt. White Gold Diamonds Emerald Tanzanite Cocktail Ring
By FRALEONI
Located in Rome, IT
Anello realizzato a mano in Italia in oro bianco 18 kt. con diamanti, smeraldi e tanzanite. Questo
Category

2010s Italian Modern Cocktail Rings

Materials

Diamond, Emerald, Tanzanite, 18k Gold, White Gold

18 Karat Yellow Gold Genuine Tanzanite and Diamond Pendant #16962
Located in Washington Depot, CT
18 Karat Yellow Gold Tanzanite and Diamond Pendant- This stunning 18K yellow gold pendant features
Category

21st Century and Contemporary Pendant Necklaces

Materials

White Diamond, Tanzanite, Gold, 18k Gold, Yellow Gold

Fraleoni 18 Kt. White Gold Diamond Ruby Tanzanite Cocktail Ring
By FRALEONI
Located in Rome, IT
Anello realizzato in oro bianco 18 kt. con diamanti, rubini e tanzanite firmato Fraleoni. Questo
Category

2010s Italian Modern Cocktail Rings

Materials

Tanzanite, Ruby, Diamond, White Gold, 18k Gold

49.30 Carat Tanzanite 3.0 Carat Diamond 18 Karat Gold Earrings
By Meghna Jewels
Located in Hoffman Estate, IL
49.30 Ct Tanzanite
Category

21st Century and Contemporary Modern Stud Earrings

Materials

Diamond, Tanzanite, Gold, 18k Gold

Gianni Lazzaro Tanzanite 38, 8 Ct Diamond White 18K Gold Dangle Earrings for Her
By Natkina
Located in Montreux, CH
Earrings White Gold 18 K Gianni Lazzaro (Matching Ring and Pendant Available ) Diamonds 214-2,13
Category

21st Century and Contemporary Swiss Modern Dangle Earrings

Materials

Diamond, Tanzanite, Gold, 18k Gold

Tanzanite 1.16 Carat Diamonds 18 Karat Yellow Gold Tweed Pendant
By Mousson Atelier
Located in Bangkok, TH
Tanzanite 1.16 Carat Diamonds 18 Karat Yellow Gold Tweed Locket Pendant Capture your family
Category

21st Century and Contemporary Thai Contemporary Pendant Necklaces

Materials

Tanzanite, Diamond, Enamel, Gold, 18k Gold, Yellow Gold

18 K White Gold Eternity Ring Pear Shape Tanzanite Diamonds
Located in Zurich, Zollstrasse
An exquisite find. This 18 K white gold prong set eternity ring features 14 pear shape Tanzanites
Category

2010s Unknown Contemporary Band Rings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

Natural Tanzanite Diamond Ring in 18 Karat Solid White Gold
By VR Jewels
Located in Houston, TX
:- Material - 18K Solid White Gold Gemstone - Tanzanite Gemstone Weight - 1.54 ct Gemstone pcs - 1 Gemstone
Category

21st Century and Contemporary American Modern Bridal Rings

Materials

Tanzanite, Diamond, Gold, 18k Gold, White Gold

7.11 Carat Baguette Moonstone Tanzanite 18 Karat White Gold Drop Earrings
By ALPENGEM
Located in Montreux, VD
Elegant all time fashion 7.11 Carat Baguette Moonstone Tanzanite 18 Karat White Gold Drop Earrings
Category

2010s Unknown Drop Earrings

Materials

Moonstone, Tanzanite, Gold, 18k Gold, White Gold

MOISEIKIN 18 Karat Gold Baroque Pearl Diamond Tanzanite Floral Ring
By MOISEIKIN
Located in Hong Kong, HK
ct. 1 Tourmaline, square, 1.41 ct. 1 Tanzanite, round 0.72 ct.
Category

21st Century and Contemporary Russian Contemporary Fashion Rings

Materials

Tanzanite, Tourmaline, Pearl, Diamond, 18k Gold, Gold

  • 1
Get Updated with New Arrivals
Save "18 Ct Tanzanite", and we’ll notify you when there are new listings in this category.

18 Ct Tanzanite For Sale on 1stDibs

On 1stDibs, you can find the most appropriate 18 ct tanzanite for your needs in our varied inventory. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and white gold. Our collection of these items for sale includes 70 vintage editions and 297 modern creations to choose from as well. Making the right choice when shopping for a 18 ct tanzanite may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 20th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. There have been many well-made iterations of the classic 18 ct tanzanite over the years, but those made by Spectrum Jewels, ALPENGEM and Shimansky are often thought to be among the most beautiful. A round cut version of this piece has appeal, but there are also oval cut and pear cut versions for sale. If you’re browsing our inventory for a 18 ct tanzanite, 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 18 Ct Tanzanite?

Prices for a 18 ct tanzanite can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $250 and can go as high as $151,793, while this accessory, on average, fetches $4,995.