Skip to main content
Want more images or videos?
Request additional images or videos from the seller
1 of 10

GIA Large Tanzanite and Diamond Pendant in 18k White Gold

$25,700
£19,377.91
€22,330.34
CA$35,652.85
A$39,948.83
CHF 20,794.88
MX$488,712.43
NOK 263,952.57
SEK 249,300.04
DKK 166,700.59
Shipping
Retrieving quote...
The 1stDibs Promise:
Authenticity Guarantee,
Money-Back Guarantee,
24-Hour Cancellation

About the Item

GIA Certified Large Tanzanite and Diamond Pendant in 18k White Gold Tanzanite and Diamond Pendant features a GIA certified center Triangular-shaped Tanzanite with Bluish Violet color, weighing approximately 16.00 carats, surrounded by four rows of Square Princess Cut Diamonds and three columns of Baguette Diamonds, all set in 18k White Gold. The pendant's bale is set with Baguette and Princess cut Diamonds. Total tanzanite weight is estimated to be 16.00 carats. Total diamond weight is estimated to be 4.00 carats. The tanzanite measures 16.65mm x 16.60 mm x 9.75mm (tanzanite was measured in the setting). Pendant measures 1.15 inches across and 1.65 inches down with bale. The pendant weighs 21.4 grams. 18k White Gold setting. Marked 18k, 750 BUY WITH CONFIDENCE Authenticity is guaranteed for every item we sell.
  • Metal:
  • Stone:
  • Stone Cut:
  • Weight:
    21.4 g
  • Dimensions:
    Width: 1.15 in (29.21 mm)Length: 1.65 in (41.91 mm)
  • Lab Report Available:
    GIA
  • Place of Origin:
  • Period:
  • Date of Manufacture:
    Unknown
  • Condition:
    Wear consistent with age and use.
  • Seller Location:
    La Jolla, CA
  • Reference Number:
    Seller: Style#HM2602GHRBE21stDibs: LU3305226436432

More From This Seller

View All
Tanzanite and Diamond Pendant Necklace in 18k Yellow Gold
Located in La Jolla, CA
Tanzanite and Diamond Pendant Necklace in 18k Yellow Gold Tanzanite and Diamond Necklace features a Pear shaped Natural Tanzanite, weighing approximately 5.75 carats, set in 18k Yel...
Category

20th Century North American Pendant Necklaces

Materials

Diamond, Tanzanite, 18k Gold, Yellow Gold

Oval Tanzanite and Diamond Drop Earrings in 18k White Gold
Located in La Jolla, CA
Oval Shaped Tanzanite and Diamond Drop Earrings in 18k White Gold Diamond and Tanzanite Earrings feature 2 Oval cut Tanzanite weighing 6.24 carats surrounded by a row of Round Brill...
Category

21st Century and Contemporary Unknown Drop Earrings

Materials

Diamond, Tanzanite, 18k Gold, White Gold

GIA Black Opal and Diamond Pendant Necklace in Platinum and 18k White Gold
Located in La Jolla, CA
GIA Certified Black Opal and Diamond Pendant Necklace in Platinum and 18k White Gold Black Opal and Diamond Necklace features an 18.86...
Category

21st Century and Contemporary North American Pendant Necklaces

Materials

Diamond, Opal, Black Opal, 18k Gold, White Gold, Platinum

GIA 19.97 carat Cushion Tanzanite Ring with Diamond Halo in Platinum
Located in La Jolla, CA
GIA 19.97 carat Cushion Tanzanite Ring with Diamond Halo in Platinum Tanzanite and Diamond Ring features a lively 19.97 carat Natural Cushion c...
Category

21st Century and Contemporary North American Cocktail Rings

Materials

Diamond, Tanzanite, Platinum

GIA Natural Sapphire and Diamond Collar Necklace in 18k White Gold
Located in La Jolla, CA
GIA Certified Sapphire & Diamond Collar Necklace in 18k White Gold Custom made Sapphire necklace features a crescent and swirl links pattern made of 33 natural Oval cut Sapphires, ...
Category

21st Century and Contemporary Unknown Choker Necklaces

Materials

Diamond, Sapphire, 18k Gold, White Gold

Rectangular Tanzanite 21.19 ct and Diamond Ring in Platinum
Located in La Jolla, CA
Rectangular Tanzanite 21.19 ct and Diamond Ring in Platinum Tanzanite and Diamond Ring features a very clean Rectangular Emerald cut Tanzanite weighing 21.19 carats surrounded by t...
Category

20th Century North American Cocktail Rings

Materials

Diamond, Tanzanite, Platinum

You May Also Like

1.85 Carat Tanzanite & Diamond Pendant in 18k White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. Tanzanite is the birthstone for December, making this gorgeous, brightly polished 18k white gold drop pendant an unforgettable gift to give. A round cut 6.8X7.4MM tanzanite sits nestled in the center...
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, Tanzanite, White Gold, 18k Gold

12.90 Carat Tanzanite Diamond Pendant with Chain 18k White Gold
Located in Zurich, Zollstrasse
A very fine pear shape Tanzanite weighing 12.90 ct, surrounded by 11 oval Diamonds weighing 1.49 ct, 9 Baguette Diamonds weighing 0.71 ct and 39 brillinat cut Diamonds weighing 1.50 ct. All Diamonds H, I color and si clarity. Mounted in 18 K white Gold. The pendant comes with a 18 K white Gold chain...
Category

2010s Unknown Contemporary Pendant Necklaces

Materials

Diamond, Tanzanite, 18k Gold, White Gold

9.50Ct Natural Tanzanite & Diamond 14K Solid White Gold Pendant
Located in Los Angeles, CA
9.50Ct Natural Tanzanite & Diamond 14K Solid White Gold Pendant Total Natural Oval Tanzanite Weight is: Approx. 6.10 Carats Natural Tanzanite Measure: 14.00 x 10.00mm Total Natura...
Category

2010s American Pendant Necklaces

Materials

Diamond, Tanzanite, 14k Gold, White Gold

Tanzanite Pendant Necklace Diamond Setting 10.1 Carats 18K White Gold
Located in Aliso Viejo, CA
"It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural Tanzanite = 9.10 Carats 23 Diamonds = 1.00 Carats Metal: 18K White Gold Pendant Dimensions: 32 x 18.3...
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

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

Tanzanite Pendant Necklace Diamond Setting 10.1 Carats 18K White Gold
Located in Aliso Viejo, CA
"It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural Tanzanite = 9.10 Carats 23 Diamonds = 1.00 Carats Metal: 18K White Gold Pendant Dimensions: 32 x 18.3...
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

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

Tanzanite Pendant Necklace Diamond Setting 10.1 Carats 18K White Gold
Located in Aliso Viejo, CA
"It comes with the Gemological Appraisal by GIA GG/AJP All Gemstones are Natural Tanzanite = 9.10 Carats 23 Diamonds = 1.00 Carats Metal: 18K White Gold Pendant Dimensions: 32 x 18.3...
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

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