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18ct White Gold Princess Cut Halo Diamond Ring
Located in Cape Town, ZA
Diamond Carat Weight: 1 x 0.25ct Cut: Princess Cut Colour
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, White Gold

8 Carat Princess Cut Halo Diamond Engagement Ring Certified
Located in New York, NY
Center Diamond: Carat Weight: 6.32 Carats Style: Princess Cut - Feather Filled- Spl Care Req'd
Category

2010s American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

1.35 Cttw. Princess Cut Halo Engagement Ring 14K White Gold
Located in beverly hills, CA
Modern classic diamond engagement ring showcases a princess cut diamond weighing approximately 0.90
Category

2010s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Ethonica Princess Cut Halo Diamond Engagement Ring in 14 Karat Gold
Located in New York, NY
The sparkling princess cut diamond positioned in the center adorned by a halo design in a high
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, Gold

GIA 1.00 carat Princess cut Halo Diamond Ring in 18k White Gold
Located in La Jolla, CA
GIA Certified 1.00 carat Princess cut Diamond Halo Ring GIA Certified Diamond Halo Ring features
Category

21st Century and Contemporary North American Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Diamond Engagement Ring Center Princess Cut Halo Design 1.11 TCW 14K White Gold
Located in San Diego, CA
White Gold Size: 4.25 - Sizable Total Carat Weight: 1.11 TCW Diamond Shape: Princess Cut Diamond 0.71
Category

2010s Unknown Engagement Rings

Materials

Diamond, 14k Gold

1.2ct Princess Cut Halo Amethyst and Diamond Stud Earrings in 18ct White Gold
Located in LEEDERVILLE, WA
These beautifully crafted stud earrings showcase a halo of micro -pave round brilliant cut
Category

21st Century and Contemporary Australian Artisan Stud Earrings

Materials

Amethyst, Diamond, 18k Gold, White Gold

1.21 Carat Princess Cut Diamond Halo Set 14 Karat White and Yellow Gold Ring
Located in Sherman Oaks, CA
Gorgeous 14k White & Yellow Gold Princess Cut Halo Set Diamond Engagement Ring Center Princess Cut
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold

Rachel Koen White Gold Princess Cut Center Halo Engagement Ring 1.00 Carat
Located in New York, NY
diamonds in total. Center is carat princess shape with 4 little princess cuts. Halo and shank is set with
Category

2010s American Modern Engagement Rings

Materials

Diamond, White Gold

Princess White Gold Diamond Engagement Mounting
By Gabriel & Co.
Located in Stamford, CT
Ladies' Princess 14k White Gold Diamond Engagement Mounting. Princess cut halo holds a round shaped
Category

2010s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Ceylon Cornflower Blue Sapphire & Diamond Princess Square Cut Platinum Halo Ring
By Gems and Jewels UK
Located in Birmingham, GB
Fine Vivid Ceylon Cornflower Blue Sapphire & Diamond Platinum Square Princess Cut Halo Ring 0.80tcw
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Henri Daussi Canary Fancy Light Yellow Five Stone 1.39ct Tw Diamond Ring
Located in New York, NY
Five Stone Princess Cut Halo Ring Metal: 18K White Gold Diamond Shape: Canary Princess-cut Diamonds
Category

2010s American Modern Engagement Rings

Materials

Diamond, 18k Gold

14k Gold Diamond Halo Necklace Princess Cut Necklace Diamond Pendant
By Oshi Jewels
Located in Bangkok, TH
Princess Cut Halo Round Pendant Necklace is made of 14k solid gold. Available in three colors of
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold

18k Gold Diamond Halo Necklace Princess Cut Necklace Diamond Pendant
By Oshi Jewels
Located in Bangkok, TH
Princess Cut Halo Round Pendant Necklace in 18k Rose Gold / White Gold / Yellow Gold. Delicate
Category

21st Century and Contemporary Thai Modern Pendant Necklaces

Materials

Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold

Princess Brilliant Cut Diamond Halo Necklace
By Antinori Fine Jewels
Located in Rome, IT
Introducing our elegant 0.97 ct Total Weight Princess Brilliant Cut Diamond Halo Pendant Necklace
Category

2010s American Modern Multi-Strand Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

Princess Brilliant Cut Diamond Halo Necklace
By Antinori Fine Jewels
Located in Rome, IT
1.01 ct Total Weight Princess Brilliant Cut Diamond Halo Pendant Necklace, crafted in elegant 14K
Category

2010s American Modern Multi-Strand Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

Beautiful Platinum Princess Cut Center Halo Engagement Ring
Located in Pittsburgh, PA
Beautiful princess cut diamond halo engagement ring. This ring features a bezel set 0.50ct princess
Category

21st Century and Contemporary Contemporary Engagement Rings

Materials

Diamond, Platinum

White Gold Princess Cut Diamond Halo Engagement Ring
Located in San Francisco, CA
designer Neil Lane. This 14 karat white gold beauty features a .69 carat Princess Cut diamond set in a halo
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, White Gold

GIA Certified Princess Cut Diamond Halo Engagement Ring
By Antinori Fine Jewels
Located in Rome, IT
Princess Cut Diamond Halo Engagement Ring with GIA Report.
Category

2010s American Engagement Rings

Materials

Diamond, White Diamond, 14k Gold, White Gold

GIA Certified 3.07CT Princess Cut Hidden Halo Diamond Ring
Located in Webster, NY
Hidden halo diamond ring set with a stunning 3.07ct GIA certified Princess cut diamond. Center
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Vintage Motif Princess Cut Diamond Engagement Ring with Halo
By Gabriel & Co.
Located in Stamford, CT
Vintage Motif Princess Cut Diamond Engagement Ring in 14k White Gold. This unique diamond
Category

2010s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

14 Karat White Gold Princess Cut Diamond Halo Necklace
Located in Scottsdale, AZ
Designer: custom design Material: 14K white gold Diamonds: 1 princess cut = 1.52cttw Color: J
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

17.66 Carat Princess Cut Diamond Tennis Bracelet with Halo
By Sebastian Bernard
Located in Los Angeles, CA
Princess Cut centers surrounded by pave set Halo. Total Weight of Large diamonds: 13.81 Ct Total Weight of
Category

2010s American Tennis Bracelets

Materials

Diamond, 18k Gold

17.66 Carat Princess Cut Diamond Tennis Bracelet with Halo
17.66 Carat Princess Cut Diamond Tennis Bracelet with Halo
Free Shipping
W 0.315 in D 0.19 in L 7.15 in
Peter Suchy GIA Certified Princess Cut Diamond Halo Engagement Ring
By Peter Suchy
Located in Stamford, CT
Diamond engagement ring. 1 GIA certified princess cut center square diamond in a platinum setting
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Platinum

GIA Certified Princess Cut Diamond Halo Ring
By Antinori Fine Jewels
Located in Rome, IT
Princess Cut Diamond Halo Engagement Ring with GIA Report.
Category

2010s Italian Modern Solitaire Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

14 Karat White Gold Princess Cut Diamond Halo Engagement Ring
Located in Washington Depot, CT
Vintage 14 Karat White Gold Princess Cut Diamond Halo Engagement Ring Size 5.25 JAGi Certified
Category

20th Century Engagement Rings

Materials

Diamond, White Gold

Princess Cut Diamond Halo Engagement Ring - Altair
Located in Hertsliya, IL
Beautiful square (princess cut) diamond engagement ring. Altair meaning is the name of the
Category

2010s Israeli Art Deco Engagement Rings

Materials

Diamond, 14k Gold

Platinum Princess Cut Pink Tourmaline Three Stone Diamonds Halo Ring
Located in New York, NY
unique design. Three princess cut, charming and bright pink tourmalines are bezel set with white diamond
Category

2010s American Modern Fashion Rings

Materials

Diamond, Tourmaline, Platinum

.93 Carat Princess Cut Diamond Halo Rose Gold Engagement Ring
Located in Stamford, CT
Double halo diamond engagement ring. .30ct princess cut center diamond, set in a 14k rose gold
Category

21st Century and Contemporary Engagement Rings

Materials

Diamond, Gold, 14k Gold, Rose Gold

EGL Certified Diamond Princess Cut 1.51D SI2 in Halo Ring
By Gregory Mikaelian & Sons, Inc.
Located in Los Angeles, CA
EGL Certified Diamond princess cut 1.51 D SI2 in halo ring, containing 1 princess cut diamond
Category

21st Century and Contemporary American Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

J. Birnbach Fancy Yellow Princess Cut Diamond Earrings with Halo
By J. Birnbach
Located in New York, NY
ensemble! Striking and sleek, this pair of earrings features fancy yellow princess cut diamonds (total 1.90
Category

Early 2000s American Lever-Back Earrings

Materials

Yellow Diamond, 18k Gold, Platinum

DE BEERS Princess Brilliant Cut Diamond Halo Platinum Engagement Ring
By De Beers
Located in Rome, IT
The engagement ring features a 1.35 carat Natural Princess Brilliant Cut diamond as its center
Category

2010s Italian Modern Engagement Rings

Materials

Diamond, 14k Gold, White Gold

14k White Gold Princess Cut Diamond Halo in Square Setting
By Gregory Mikaelian & Sons, Inc.
Located in Los Angeles, CA
Specifications: MAIN stone: Diamond Princess cut .30pts. ADDITIONAL STONE: 22 round
Category

2010s American Contemporary Engagement Rings

Materials

Diamond, 14k Gold, White Gold

14K Yellow Gold Princess Cut Emerald Center Diamond Halo Ring
By Murat Uguz
Located in Los Angeles, CA
Emerald Center: 3.20cts Diamonds: 1.40cts
Category

2010s Modern Fashion Rings

Materials

Diamond, Emerald, Yellow Gold

Marchesa Princess Cut Diamond Halo Engagement Ring 18K White Gold
By Marchesa
Located in Honolulu, HI
Item Specifications: ​ ​IGI REPORT #: 410611291U Metal: 18k White Gold Diamond Count: 1 princess
Category

Late 20th Century Unknown Modern Engagement Rings

Materials

Diamond, 18k Gold, Gold, White Gold

White Gold Diamond Halo Stud Earrings -14k Princess Cut .80ctw Pierced
Located in Greensboro, NC
: Princess Color: G - H Clarity: SI1 - SI2 Natural Diamonds (accents) Carats: .25ctw Cut: Round Brilliant
Category

21st Century and Contemporary Stud Earrings

Materials

Diamond, 14k Gold, White Gold

Non Certified .80pts. E SI3 Princess Cut Diamond Halo 14 Karat
By Gregory Mikaelian & Sons, Inc.
Located in Los Angeles, CA
Non Certified .80pts. E SI3 Princess cut diamond halo 14 karat, containing 1 princess cut diamond
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold

0.80 Cttw. Princess Cut Diamond Halo Engagement Ring 14K White Gold
Located in beverly hills, CA
Estate 14k white gold diamond engagement ring features a princess cut diamond weighing
Category

2010s Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Montana Sapphire Ring with Princess Cut Diamond Halo
Located in Phoenix, AZ
carats, and it truly glistens! Surrounding the sapphire is a stunning princess cut diamond halo that is a
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, White Gold

Princess Cut Moissanite Halo Unique and Delicate Engagement Ring - Altair
Located in Hertsliya, IL
Beautiful square (princess cut) Moissanite engagement ring. Altair meaning is the name of the
Category

2010s Israeli Art Deco Engagement Rings

Materials

Diamond, Yellow Gold, White Gold, Rose Gold, 14k Gold

Princess Cut Diamond Halo Engagement Ring 1.45 Tcw 14kt White Gold
Located in San Diego, CA
Princess Diamond Halo Engagement Ring Style: Halo with Diamond Band Metal: 14kt White Gold Size
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

Princess Cut Diamond Halo Stud Earrings Set in 18k Yellow Gold
Located in London, GB
A beautiful pair of contemporary princess-cut diamond halo stud earrings set in 18k yellow gold
Category

2010s British Modern Stud Earrings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Princess Cut Diamond Halo Stud Earrings Set in 18k Yellow Gold
Located in London, GB
A beautiful pair of contemporary princess-cut diamond halo stud earrings set in 18k yellow gold
Category

2010s British Modern Stud Earrings

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Natural 2.33 Carat Princess Cut Yellow Sapphire & Diamond Halo Cross Pendant
Located in Miami, FL
cut yellow sapphires, encompassed by a white diamond halo. A cross motif pendant that dazzles with
Category

21st Century and Contemporary Contemporary Pendant Necklaces

Materials

Diamond, Yellow Sapphire, Gold, 18k Gold, Yellow Gold

.75ctw Princess Cut Diamond Engagement Ring, 14k White Gold Milgrain Halo
Located in Greensboro, NC
gold engagement piece showcases a princess cut diamond solitaire accompanied by round brilliant cut
Category

Late 20th Century Unknown Engagement Rings

Materials

Diamond, White Gold

Yellow Gold Diamond Pendant Necklace, 10k Princess & Round Cut .33ctw Halo
Located in Greensboro, NC
Color: G - H; Fancy Brown Cuts: Princess & Round Brilliant Total Carats: 0.33ctw Pendant: 5/8
Category

Late 20th Century Unknown Pendant Necklaces

Materials

Diamond, Yellow Gold

New .50ctw Princess Cut Composite Diamond Ring, Silver Black & White Halo
Located in Greensboro, NC
; Black Cuts: Princess (black) & Round Brilliant (white) Total Carats: 0.50ctw Face Height (north to
Category

Late 20th Century Unknown Cocktail Rings

Materials

Diamond, Silver

Princess Cut with Double Halo Pave Diamond Necklace 18k White Gold
Located in Sugar Land, TX
Accent Stones: .41ct Stone Cut: Princess & Round Metal Choice: 18K White Gold Weight: 4 grams Chain
Category

21st Century and Contemporary North American Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

GIA Certified 4.07 Carats Princess Cut Diamond Halo Pave Engagement Ring
By Roman Malakov
Located in New York, NY
Showcasing a brilliant 4.07 carats princess cut diamond certified by GIA as I color, VS2 in clarity
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Platinum

1.31 ct Platinum Ideal Princess Cut Diamond Pave Hidden Halo Engagement Ring
By Antinori Fine Jewels
Located in Rome, IT
1.31 ct Platinum Ideal Princess Cut Diamond Pave Hidden Halo Engagement Ring. The ring weighs
Category

2010s Unknown Solitaire Rings

Materials

Diamond, 14k Gold

1.00 Carat Princess Cut Diamond Halo 14 Karat Yellow Gold Engagement Ring
Located in Sherman Oaks, CA
with 36 Round Brilliant Halo & Accent Stones Weight of Princess-Cut Solitare = 0.75 ct Color: At least
Category

Mid-20th Century Engagement Rings

Materials

Diamond, 14k Gold

Neil Lane 14K White Gold Princess Cut Double Halo Diamond Engagement Ring
Located in Houston, TX
shows minor signs of wear. 4-Prong Set in 14 Karat White Gold with: One (1) princess cut natural
Category

21st Century and Contemporary Unknown Engagement Rings

Materials

Diamond, White Gold

GIA Certified 1.56 Carat Princess Cut Diamond with a Pave Halo Engagement Ring
By H & H Jewels
Located in Miami, FL
GIA Certified 1.56 Carat Princess Cut Diamond with a Pave Halo Engagement Ring Feel like a
Category

2010s Engagement Rings

Materials

Diamond, Platinum

1.72 Carat Princess Cut Diamond Halo Engagement Ring 14 Karat In Stock
Located in Boca Raton, FL
14 Karat White Gold 1.72 Carat Princess Cut Diamond Halo Engagement Ring Product: Princess cut
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold

Men's Ribbed 14k Gold 1.91ctw GIA Princess Cut Diamond Solitaire & Halo Ring
Located in Montclair, NJ
set with a fine quality, GIA certified fiery princess cut diamond. The solitaire stone is adorned with
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, 14k Gold, Yellow Gold

Princess Cut Yellow Diamond and Baguette White Diamond Halo Engagement Ring
Located in Scottsdale, AZ
. The gorgeous .75 carat princess cut bezel set yellow diamond sits at the very center of the piece
Category

21st Century and Contemporary Unknown Contemporary Engagement Rings

Materials

Diamond, White Diamond, Yellow Diamond, Gold, 18k Gold, White Gold, Yell...

14k Gold 1.18ctw GIA Princess Cut Diamond Solitaire Hidden Halo Engagement Ring
Located in Montclair, NJ
features a fine quality, GIA certified, princess cut diamond that weighs 1.02 carat with colorless (E color
Category

2010s American Engagement Rings

Materials

Diamond, 14k Gold, White Gold

6.09 Carat Princess Cut Diamond Halo Engagement Ring 18 Karat In Stock
Located in Boca Raton, FL
Product: Princess Cut Diamond Engagement Ring Material: 18k White Gold Diamond Details: The center
Category

21st Century and Contemporary American Modern Engagement Rings

Materials

Diamond, Gold, White Gold, 18k Gold

New .33ctw Princess Cut Black Diamond Men's Ring Sterling Silver Cluster Halo
Located in Greensboro, NC
: Natural Diamonds Treatment: Color Enhanced (black) Clarity: SI1 - SI2 Color: H - I; Black Cuts
Category

Late 20th Century Unknown Cocktail Rings

Materials

Black Diamond, Sterling Silver

New .33ctw Princess Cut Black Diamond Ring, Sterling Silver Men's Cluster Halo
Located in Greensboro, NC
- I; Black Cuts: Princess & Round Brilliant Total Carats: 0.33ctw Face Height (north to south
Category

Late 20th Century Unknown Cocktail Rings

Materials

Black Diamond, Sterling Silver

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Princess Cut Halo For Sale on 1stDibs

Find the exact princess cut halo you’re shopping for in the variety available on 1stDibs. Each design created in this style — which was crafted with great care and often made from Gold, Silver and White Gold — can elevate any look. Our collection of these items for sale includes 15 vintage editions and 114 modern creations to choose from as well. Making the right choice when shopping for a princess cut halo may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 19th 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 princess cut halo over the years, but those made by Beyond Fine Jewelry, Gregory Mikaelian & Sons, Inc. and Roman Malakov are often thought to be among the most beautiful. A princess cut version of this piece has appeal, but there are also mixed cut and round cut versions for sale. Most of our princess cut halo for sale are for women, but there are 47 pieces available to browse for men.

How Much is a Princess Cut Halo?

The price for a princess cut halo starts at $110 and tops out at $76,300 with these rings, on average, selling for $3,989.
Questions About Princess Cut Halo
  • 1stDibs ExpertOctober 12, 2021
    A princess-cut refers to a popular gemstone cut. A square, modified brilliant-cut stone with pointed corners, the princess cut is a variation on the round brilliant stone and came into fashion in the 1960s. This cut has maximum brilliance and, therefore, it is one of the most popular choices for engagement rings. Also, because of the square shape, more of the original gem is preserved, so there is less waste. Find a collection of vintage and antique princess-cut diamond jewelry on 1stDibs today.
  • 1stDibs ExpertFebruary 22, 2021
    A princess cut, which has the technical name “square modified brilliant,"" is a popular diamond engagement ring cut. The characteristics of a princess cut are a straight sided rectangular outline with a brilliant style facet arrangement. Princess cuts tend to produce more sparkle than other traditional square diamonds.
  • 1stDibs ExpertApril 5, 2022
    A princess cut jacket is a blazer or piece of outerwear constructed in a certain way. Specifically, the garment features curved seams that contour the body and accentuate a woman's curves. Find a collection of vintage and designer jackets on 1stDibs.
  • 1stDibs ExpertNovember 8, 2023
    Yes, the princess cut is a good cut for a diamond. For one thing, princess-cut diamonds are similar to the shape of a raw diamond. As a result, jewelers waste less of the stone, often leading to cost-effective pricing for princess-cut diamond jewelry. The princess cut is also visually appealing due to its symmetrical shape. As a brilliant cut, it shows off the sparkle of a diamond. On 1stDibs, shop a collection of princess-cut diamond jewelry.
  • 1stDibs ExpertSeptember 28, 2021
    A princess cut diamond ring is a genre of the diamond cuts often used in engagement rings. Possessing the technical name square modified brilliant, these rings are peculiarly crafted into a square or a rectangle shape, giving it an exquisite look of an inverted pyramid with four beveled sides. Shop a range of antique and vintage princess cut diamond rings on 1stDibs.
  • 1stDibs ExpertNovember 1, 2023
    In the terminology of earrings, a princess cut refers to a specific cut or shape of diamond. Due to the arrangement of its facets, a princess cut resembles a square when viewed from above and a pyramid when you look at it from the side. A brilliant cut, the princess beautifully showcases the sparkle of a diamond, and the shape reduces the amount of waste created when shaping a diamond, making the cut cost-effective. Shop a wide range of diamond earrings on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    The difference between cushion cut and halo jewelry is its design. Cushion cut refers to a central stone with a square shape and rounded corners. Halo means a circle of smaller gemstones surrounding a larger center stone, which could have a cushion cut or another type of cut. Find a wide variety of gemstone jewelry on 1stDibs.
  • 1stDibs ExpertJanuary 23, 2024
    The term princess-cut engagement ring means an engagement ring with a central diamond that features a certain shape and facet arrangement. Specifically, a princess-cut gemstone has a square shape and a brilliant cut that gives it tremendous sparkle. With the most common facet pattern, a princess-cut gemstone has a total of 57 facets. On 1stDibs, shop a diverse assortment of princess-cut engagement rings.
  • 1stDibs ExpertNovember 1, 2023
    Yes, princess-cut engagement rings can be good, depending on preferences and taste. Due to their brilliant cut, the rings show off the sparkle of a gemstone, and they're often economically priced because the cutting process creates less waste than what's expected with a round cut. Some people also like the way the appearance of the princess cut changes based on your viewing angle. From above, it looks like a square, while from the side, it has a pyramid shape. On 1stDibs, explore an assortment of princess-cut gemstone engagement rings.
  • 1stDibs ExpertNovember 8, 2023
    How big a 2-carat diamond with a princess cut is varies from piece to piece. However, the average size is 7 millimeters by 7 millimeters. The measurement is around 9/32 inches, so a 2-carat princess-cut diamond will be just a little over a quarter-inch in size. On 1stDibs, find an assortment of princess-cut 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.