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14 Karat Gold Six Prong Solitaire 1 Carat Round Brilliant Diamond I SI2 GIA
Located in New York, NY
This 14kt White Gold 6 prong solitaire features a 1 carat I SI2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, White Gold

14 Karat Gold Six Prong Solitaire 1 Carat Round Brilliant Diamond I SI2 GIA
Located in New York, NY
This 14kt Yellow Gold 6 prong solitaire features a 1 carat I SI2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Yellow Gold

14 Karat Gold Six Prong Solitaire 1 Carat Round Brilliant Diamond F VS2 GIA
Located in New York, NY
This 14kt Yellow Gold 6 prong solitaire features a 1 carat F VS2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Yellow Gold

14 Karat Gold Round Diamond with Pavé 1 Carat Center 1.3ctw I SI2 GIA
Located in New York, NY
This 14kt Rose Gold engagement ring features a 1 carat center diamond I SI2 grading and pavé
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Rose Gold

1 Carat Cushion Cut GIA Diamond Engagement 18 Karat White Gold Ring Bridal Set
Located in Tarzana, CA
Center is 1 carat cushion GIA diamond D VS, mounted in optional of 18k yellow, rose or white gold.
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, 18k Gold

18 Karat Gold Four Prong Solitaire 1 Carat Round Brilliant Diamond I SI2 GIA
Located in New York, NY
This 18kt Rose Gold 4 prong solitaire features a 1 carat I SI2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold, Rose Gold

18 Karat Gold Four Prong Solitaire 1 Carat Round Brilliant Diamond F VS2 GIA
Located in New York, NY
This 18kt Yellow Gold 4 prong solitaire features a 1 carat F VS2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold, Yellow Gold

18 Karat Gold Four Prong Solitaire 1 Carat Round Brilliant Diamond H VS2 GIA
Located in New York, NY
This 18kt Rose Gold 4 prong solitaire features a 1 carat H VS2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold, Rose Gold

18 Karat Gold Four Prong Solitaire 1 Carat Round Brilliant Diamond I SI2 GIA
Located in New York, NY
This 18kt Yellow Gold 4 prong solitaire features a 1 carat I SI2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold, Yellow Gold

18 Karat Gold Four Prong Solitaire 1 Carat Round Brilliant Diamond H VS2 GIA
Located in New York, NY
This 18kt Yellow Gold 4 prong solitaire features a 1 carat H VS2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold, Yellow Gold

14 Karat Gold Six Prong Solitaire 1 Carat Round Brilliant Diamond H VS2 GIA
Located in New York, NY
This 14kt Yellow Gold 6 prong solitaire features a 1 carat H VS2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold, Yellow Gold

18 Karat Gold Four Prong Solitaire 1 Carat Round Brilliant Diamond F VS2 GIA
Located in New York, NY
This 18kt White Gold 4 prong solitaire features a 1 carat F VS2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold, White Gold

18 Karat Gold Four Prong Solitaire 1 Carat Round Brilliant Diamond F VS2 GIA
Located in New York, NY
This 18kt Rose Gold 4 prong solitaire features a 1 carat F VS2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold, Rose Gold

GIA Certified 1 Carat Round Tiffany Style White Gold Solitaire Engagement Ring
Located in London, GB
Stunning 1ct G-Si2 premium cut round natural diamond engagement ring crafted in 18k white gold in
Category

21st Century and Contemporary British Engagement Rings

Materials

Diamond, 18k Gold

14 Karat Rose Gold Six Prong Solitaire 1 Carat Round Brilliant Diamond H VS2 GIA
Located in New York, NY
This 14kt Rose Gold 6 prong solitaire features a 1 carat H VS2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Rose Gold

14 Karat Rose Gold Six Prong Solitaire 1 Carat Round Brilliant Diamond F VS2 GIA
Located in New York, NY
This 14kt Rose Gold 6 prong solitaire features a 1 carat F VS2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Rose Gold

14 Karat Rose Gold Six Prong Solitaire 1 Carat Round Brilliant Diamond I SI2 GIA
Located in New York, NY
This 14kt Rose Gold 6 prong solitaire features a 1 carat I SI2 round brilliant diamond. - Center
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Rose Gold

14 Karat White Gold Round Diamond with Pavé 1 Carat Center 1.3ctw F VS2 GIA
Located in New York, NY
This 14kt White Gold engagement ring features a 1 carat center diamond F VS2 grading and pavé
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, White Gold

GIA 1 Carat Fancy Pink Diamond Necklace 18 Karat White Gold Duel Use As Ring
Located in Barnsley, GB
GIA 1 Carat Fancy Pink Diamond Necklace 18 Karat White Gold Duel Use As Ring This is a 1ct
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Pink Diamond, 18k Gold, White Gold

Pair of Diamond Earrings Total Weight 2.43 Carat GIA D / VS 1 and D / VS 2
Located in New York, NY
Pair of round brilliant diamonds with a total weight of 2.43 carats, both with GIA certificates
Category

21st Century and Contemporary Contemporary Stud Earrings

Materials

White Diamond

GIA Certified 1.12 Carat Diamond Solitaire Platinum Ring
Located in Aurora, Ontario
transitional cut, which weighs 1.12 carats and is GIA graded as L colour, with Si2 clarity. The center diamond
Category

Mid-20th Century Unknown Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA 1 Carat Fancy Pink Diamond Ring 18 Karat White Gold Duel Use as a Necklace
Located in Barnsley, GB
Fancy Pink Diamond Necklace 18k White Gold and Rose Gold This is a 1.018ct VVS2 Pink
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Pink Diamond, 18k Gold, White Gold

Platinum Floral Design D VVS 1 4.64 Toal Carat Weight GIA Certified Ear Jacket
Located in Los Angeles, CA
. Features two matching GIA certified D VVS1 center stones measuring 1.07 and 1.10 carats surrounded by 2.47
Category

2010s American Stud Earrings

Materials

Diamond, Platinum

3 in 1 Jewelry Fancy Deep Yellow and Fancy Pink 19ct GIA Certified Diamond Ring
Located in PARIS, FR
Purplish Pink 0,32ct I1 GIA • Fancy Purplish Pink 0,31ct I1 GIA Side diamonds: Colorless 9ct total
Category

2010s Hong Kong Art Nouveau Chandelier Earrings

Materials

Diamond, 18k Gold

1 Carat Round F-SI2 GIA Certified Platinum and 18k Yellow Gold Engagement Ring
By carpenter and sons
Located in Aliso Viejo, CA
which contains ten round brilliant diamonds which measure 2.5mm and have a total carat weight, color
Category

Early 2000s Modern Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Antique 2.05 Carat Pear Shape GIA D/ SI 1, Buy It Loose or with a Custom Setting
Located in New York, NY
GIA beautifully pear shape , D in color and SI 1 in clarity. ( only imperfection is a feather
Category

21st Century and Contemporary Unknown Contemporary Loose Gemstones

Materials

Diamond

GIA Report Certified Heart-Shaped Diamond 1carat, F Color, VS2 Clarity Ring
Located in Surfside, FL
GIA report certified heart shape diamond 1 carat (F color, VS2 clarity) ring in 14k yellow gold
Category

20th Century Engagement Rings

Materials

Diamond, Yellow Gold

Lizunova Art Deco Diamond Bridal Engagement Ring
By Lizunova Fine Jewels
Located in Sydney, NSW
-certified round brilliant cut diamond, 1 carat D SI1, XXX N (triple excellent cut, no fluorescence), diamond
Category

21st Century and Contemporary Australian Art Deco Bridal Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

GIA 1 Carat Oval Curved Bypass Leaf Vine Diamond Ring
By EMD Diamonds
Located in New York, NY
lies a magnificent oval diamond weighing 1 , graded I and SI2 , ensuring unmatched brilliance and
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA Certified 1 Carat Oval Tulip Solitaire Cathedral Diamond Ring
By EMD Diamonds
Located in New York, NY
, This exquisite diamond ring boasts a GIA-certified oval diamond at its center, weighing 1 with an
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, White Gold

2 1/2 Carat Platinum GIA Oval Orangy Brown Diamond Engagement Ring
By Diamonds Mine
Located in Ramat Gan, IL
One Of A Kind Engagement Ring Fancy Orangy Brown Certified 2.50 carat Diamond Ring. Set in a sleek
Category

2010s American Art Deco Engagement Rings

Materials

Diamond, Brown Diamond, Platinum

1 Carat GIA Light Pink Pear Diamond Pendant
By Rare Colors
Located in New York, NY
1.02 Carat Center GIA Light Pink-Brown Pear Shape Diamond SI1 Clarity 0.32 Carats of Surrounding
Category

2010s Pendant Necklaces

Materials

Diamond, Pink Diamond, 18k Gold

GIA Certified Contemporary 1 Carat Diamond Engagement Ring
Located in Santa Barbara, CA
A brand new, gorgeous 1.02 carat engagement ring. Certified by GIA, the Gemological Institute of
Category

21st Century and Contemporary Art Deco Solitaire Rings

Materials

Diamond, Platinum

GIA Certified 1 Carat Fancy Brownish Yellow Diamond Ring
Located in Trumbull, CT
GIA Certified natural Brownish yellow diamonds and inner halo of yellow diamonds 0.36 Carat and
Category

21st Century and Contemporary American Artisan Engagement Rings

Materials

Yellow Diamond

GIA Certified 14K White Gold 1 1/5 Carat Diamond Halo Bridal Engagement Ring
Located in New York, NY
14K white gold, the ring features a breathtaking halo of 53 natural round diamonds, totaling 1 1/5
Category

21st Century and Contemporary Indian Modern Bridal Rings

Materials

White Diamond, Diamond, White Gold, 14k Gold

13 Carat I SI-1 GIA Certified Antique Cut Cushion Diamond
Located in New York, NY
strong. We serve the best jewelers globally. This 13 carat I color SI1 clarity Cushion diamond with a
Category

2010s American Early Victorian Engagement Rings

Materials

Diamond, 18k Gold

Radiant 1 Carat Cushion Modified Diamond Ring with GIA Certificate
Located in רמת גן, IL
Radiant Brilliance: 1 Carat Cushion Modified Diamond Ring with GIA Certificate This captivating
Category

2010s Israeli Solitaire Rings

Materials

Diamond, White Gold

Romantic 1 Carat Cushion Modified Diamond Ring with GIA Certificate
Located in רמת גן, IL
Radiant Romance: 1 Carat Cushion Modified Diamond Ring with GIA Certificate This captivating ring
Category

2010s Israeli Solitaire Rings

Materials

Diamond, White Gold

1 Carat Pear Shape Diamond Engagement Ring GIA Certified FVP SI1
Located in New York, NY
Hallie 1 Carat Fancy Vivid Pink SI1 Pear Shape Diamond Engagement Ring in 18k White Gold GIA
Category

2010s American Engagement Rings

Materials

Diamond, Pink Diamond, 18k Gold, White Gold

Spectra Fine Jewelry GIA Certified 1 Carat Each Diamond Tennis Bracelet
By Spectra Fine Jewelry
Located in New York, NY
A classy tennis bracelet comprising of 34 emerald-cut diamonds weighing a total of 34.71 carats; 1
Category

21st Century and Contemporary American Tennis Bracelets

Materials

Diamond, 18k Gold

1 Carat Cushion Cut Diamond Engagement Ring GIA Certified NFYG SI1
Located in New York, NY
Yara 1 Carat Natural Fancy Yellow-Green SI1 Cushion Cut Diamond Engagement Ring in Rose Gold. By
Category

2010s American Engagement Rings

Materials

Diamond, Rose Gold

GIA Certified 1 Carat Total Weight Princess Cut Diamond Engagement Ring
Located in Coral Gables, FL
14 Karat White Gold Diamond Engagement Ring Featuring A 0.70 Carat Princess Cut Diamond GIA Graded
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Contemporary GIA Certified 1 Carat Diamond Ring in 18k White Gold
Located in London, England
diamond is GIA certified as a being exactly 1.00 carat, J colour with VS2 clarity. The GIA number is
Category

2010s British Modern Engagement Rings

Materials

Diamond, 18k Gold, White Gold

GIA Certified 1 Carat Radiant Cut Double Halo Diamond Platinum Engagement Ring
By H H Jewels
Located in Miami, FL
The center stone is a 1.00 carat GIA Certified Radiant Cut Diamond (F/SI1) and surrounded by .55
Category

2010s Engagement Rings

Materials

Diamond, Platinum

Sparkling 1 Pc Natural Diamond 1.01 Carat Cushion F VVS2 GIA Certificate
Located in רמת גן, IL
One Sparkling and shiny cushion cut natural diamond in a 1.01 carat F VVS2 with excellent polish
Category

2010s Israeli Engagement Rings

Materials

Diamond

Cushion Cut Classic Diamond Halo Ring 1 Carat GIA in 18 Karat White Gold
Located in New York, NY
carat J color I1 clarity antique style cushion with GIA grading report number 5201397767. This listing
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, White Gold

1 Carat Princess Cut Diamond Halo Engagement Ring GIA Certified F/SI1
Located in Boca Raton, FL
This beautiful modern diamond engagement ring features a GIA certified diamond. The 1.00 carat
Category

21st Century and Contemporary Modern Engagement Rings

Materials

White Diamond, 14k Gold, White Gold

GIA Certified 2 1/2 Carat Diamond Solitaire Art Deco Engagement Ring
Located in Santa Barbara, CA
dazzling, near-colorless 2 1/2 carat round brilliant diamond bestowed with incredible sparkle and allure
Category

Vintage 1930s Art Deco Solitaire Rings

Materials

Diamond, Platinum

GIA Certified 1 Carat Emerald Cut Diamond Platinum Halo Engagement Ring Size 6
By H H Jewels
Located in Miami, FL
GIA Certified 1 Carat Emerald Cut Diamond Platinum Halo Engagement Ring Size 6 A full 1 carat
Category

2010s Engagement Rings

Materials

Diamond, Platinum

GIA 1 Carat Each White Diamond Asscher Bracelet in Black Rhodium 18K
Located in Los Angeles, CA
Gorgeous 21.29 ct. I-J Fl-VS2 white diamond asscher cuts. Total of 21 stones, each one weighs 1.00
Category

21st Century and Contemporary Modern Bracelets

Materials

White Diamond, 18k Gold, Rhodium

Exquisite 0.70 ct 1 pc Ideal Cut Diamond – GIA Certified
Located in רמת גן, IL
Exquisite 0.70 ct 1 pc Ideal Cut Diamond – GIA Certified This 0.70-carat emerald-cut diamond
Category

2010s Israeli Loose Gemstones

Materials

Diamond

GIA White Diamond Cushion 1 Carat Each Diamond Eternity Band Ring in 18K Gold
Located in Los Angeles, CA
Beautiful 13.14 ct. HI VS-SI white diamond cushions. Total of 13 stones, each one is 1.00 ct
Category

21st Century and Contemporary Band Rings

Materials

White Diamond, 18k Gold

1 Carat Fancy Vivid Yellow Diamond Pendant Necklace 18K Gold GIA Certified
Located in New York, NY
Yellow diamond pendant. certified by GIA as VS1 clarity. A miniature masterpiece painted in the finest
Category

2010s American Contemporary Pendant Necklaces

Materials

Yellow Diamond, 18k Gold, Yellow Gold

GIA 1 Carat Each Asscher Cut Tennis Diamond Bracelet in 18K White Gold
Located in Los Angeles, CA
Gorgeous 31.03 ct. GH VVS-VS white diamond asscher cuts. Total of 31 stones, 1 carat each
Category

21st Century and Contemporary Tennis Bracelets

Materials

Diamond, White Gold

GIA 1 Carat Each Asscher Cut Tennis Diamond Bracelet in 18K White Gold
Located in Los Angeles, CA
Gorgeous 31.03 ct. GH VVS-VS white diamond asscher cuts. Total of 31 stones, 1 carat each
Category

21st Century and Contemporary Tennis Bracelets

Materials

Diamond, White Gold

GIA Emerald Cut Diamond 1 Carat Each Eternity Band in 18K White Gold
Located in Los Angeles, CA
Beautiful 14.01 ct. G VS emerald cut white diamonds. Total of 14 stones, 1 carat each stone. All
Category

21st Century and Contemporary Band Rings

Materials

Diamond, White Gold

GIA 1 Carat Each Asscher Cut White Diamond Bracelet in 18K White Gold
Located in Los Angeles, CA
Gorgeous 31.39 ct. EFG VVS-VS white diamond asscher cuts. Total of 31 stones, all 1 carat each
Category

21st Century and Contemporary Tennis Bracelets

Materials

White Diamond, White Gold

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Gia Diamond 1 Carat For Sale on 1stDibs

Find the exact gia diamond 1 carat you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Platinum, Gold and 18k Gold. Our collection of these items for sale includes 3018 vintage editions and 7241 modern creations to choose from as well. Making the right choice when shopping for a gia diamond 1 carat may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 18th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. Finding an appealing gia diamond 1 carat — no matter the origin — is easy, but Antinori Fine Jewels, J. Birnbach and Roman Malakov each produced a popular version that is worth a look. See these pages for a round cut iteration of this accessory, while there are also cushion cut cut and oval cut cut versions available here, too. There aren’t many items for men if you’re seeking a gia diamond 1 carat, as most of the options available are for women and unisex.

How Much is a Gia Diamond 1 Carat?

The price for a gia diamond 1 carat starts at $576 and tops out at $475,940,000 with these rings, on average, selling for $18,886.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Questions About Gia Diamond 1 Carat
  • 1stDibs ExpertFebruary 22, 2021
    Depending on the quality, age, and designer, a 1-carat diamond can cost between $1,300 and $16,500.
  • 1stDibs ExpertSeptember 28, 2021
    A 1-carat pink diamond’s worth depends on the color intensity and carat. High-quality pinks are the most expensive natural diamond color today. The price can vary from $10,000 to $70,000 per carat for an intense pink. On 1stDibs, you will find a variety of pink diamond jewelry from different periods.
  • 1stDibs ExpertApril 5, 2022
    The term 1-carat diamond earrings means a pair of earrings set with diamond gemstones that have a total weight of 200 milligrams. Depending on the design, each earring may hold one diamond or several smaller gems. You'll find a variety of diamond gemstone earrings on 1stDibs.
  • 1stDibs ExpertOctober 5, 2021
    What a 1-carat black diamond is worth varies according to the cut, type (natural/treated) and the demand and supply. Both natural and treated black diamonds increase in value as demand increases. It ranges from $100 to $3,000 per carat. On 1stDibs, you can find a variety of unique and designer black diamond jewelry watches from different periods to choose from.
  • 1stDibs ExpertOctober 19, 2021
    The average cost of a pair of diamond stud earrings with a total carat weight of 1-carat is $2,495. Depending on the clarity, cut and color of the diamond, the price and other details may vary. On 1sDibs, shop for antique and vintage diamond earrings.
  • 1stDibs ExpertFebruary 22, 2021
    The average cost of a pair of 1-carat diamond earrings is around $2,500. However, that price can change depending on the quality of the diamonds and the brand.
  • 1stDibs ExpertSeptember 16, 2024
    How much a 1-carat blue diamond is worth depends on its cut, clarity and color. Human-made synthetic blue diamonds of that size are often worth less than $10,000, while natural examples sourced through mining are generally valued at much higher prices. If a gemstone is set in a piece of jewelry, it may have additional value due to the precious metals, the maker of the piece, its age and other factors. Because so many variables can impact the potential value of a blue diamond, experts generally recommend having a certified appraiser or experienced jeweler assist with the valuation process. On 1stDibs, explore a diverse assortment of blue diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    Like with most diamond products, the price of a 1-carat princess cut diamond can range dramatically. On 1stDibs, find 1-carat princess cut diamond rings, earrings, necklaces and bracelets starting at $999 to $16,500.