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GRS Certified 13.75 Ct Royal /Vivid Blue Ceylon Sapphire Diamond Platinum Ring
Located in La Jolla, CA
GRS Certified 13.75 ct Royal Blue Ceylon Sapphire in Diamond Platinum Halo Setting Features One
Category

21st Century and Contemporary North American Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Audemars Piguet Royal Oak 18 Karat Gold Diamond and Onyx Octagonal Cufflinks
By Audemars Piguet
Located in Southampton, PA
diamond brilliance. The pair is crafted from prestigious 18K white gold, and each of the cufflinks is
Category

21st Century and Contemporary Cufflinks

Materials

Diamond, White Gold

Audemars Piguet Royal Oak 33mm Quartz Gold&Steel Diamonds 67651SR.ZZ.1261SR.01
By Audemars Piguet
Located in București, București
The Audemars Piguet Royal Oak Lady 33 Quartz Gold & Steel Diamonds (Reference: 67651SR.ZZ.1261SR.01
Category

21st Century and Contemporary Swiss Wrist Watches

Materials

Diamond, Gold, Steel

Audemars Piguet Royal Oak 18 Karat Yellow Gold Diamond Pave Octagonal Cufflinks
By Audemars Piguet
Located in Southampton, PA
two cufflinks weighing 10.7 grams. The cufflinks are lavishly decorated with resplendent diamond
Category

21st Century and Contemporary Cufflinks

Materials

Diamond, Yellow Gold

Royal Blue 2.36 Carat Untreated Burmese Sapphire Diamond Ring Set in Platinum
Located in Tokyo, JP
A stunning Engagement/Cocktail Ring featuring a GIA Certified 2.36 Carat Royal Blue, Untreated
Category

2010s Japanese Modern Engagement Rings

Materials

Diamond, Sapphire, Platinum

Platinum Large 5.19ctw GIA Oval Royal Blue Sapphire w/ Diamond Halo Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Brilliant Step Cut - Prong Set - Royal Blue Color
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Platinum GIA 2.59ctw Oval Royal Blue Sapphire Round Baguette Diamond Sides Ring
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Cut - Claw Prong Set - Royal Blue Color- Heated
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Platinum

3.05 Carat Oval Royal Blue Sapphire Ring 18K White Gold with Diamonds By Tamir
Located in Beverly Hills, CA
A vivid 3.05 carat oval royal blue sapphire takes center stage in this refined diamond ring by
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Multi-gemstone, Sapphire, Blue Sapphire, 18k Gol...

1.48 Carat Royal Blue Cushion Sapphire with Marquise Diamonds in Platinum Ring
By Leon Mege
Located in New York, NY
bezels and double claw prongs. Bezel set round and marquise diamonds F/VS, total weight 0.20 carats
Category

2010s American Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Unique Royal Blue Moonstone Earrings
By Bella Campbell/Campbellian Collection
Located in Morristown, NJ
These Magnificent Pear Shape Royal Blue Moonstones are set in 18 K White Gold, Accented With
Category

2010s American Art Nouveau Lever-Back Earrings

Materials

Diamond, Moonstone, 18k Gold

William Rosenberg Platinum 3.35 Ct Royal Asscher Cut Diamond Eternity Band Ring
By William Rosenberg
Located in Troy, MI
The Asscher cut was the 1st diamond cut ever patented. Similar to a square emerald cut but modified
Category

21st Century and Contemporary American Band Rings

Materials

Diamond, Platinum

Victorian 18K Rose Cut Diamond and Onyx Royal Crown Signet Conversion Ring
Located in Cape May, NJ
Victorian 18K Rose Cut Diamond & Onyx Royal Crown Signet Conversion Ring. The ring is in excellent
Category

Antique 1890s Victorian Signet Rings

Materials

Diamond, Onyx, 10k Gold, 18k Gold

Platinum 5.79 Carat GIA Natural Royal Blue Sapphire 1.13 Cttw Diamond Ring
By William Rosenberg
Located in Troy, MI
Report states this Sri Lanka natural, heat only sapphire's color is referred to as "Royal Blue" in the
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Blue Sapphire, Platinum

14k White Gold EGL 2.18ct Oval Royal Blue Sapphire Diamond Engagement Ring
Located in Montclair, NJ
Brilliant Cut - Exquisite Royal Blue Color - 2.18ct (exact - EGLUSA Certified) Natural Genuine Diamonds
Category

2010s American Solitaire Rings

Materials

Diamond, Blue Sapphire, 14k Gold, White Gold

2.51 Carat Royal Blue Sapphire and Diamond Ballerina Pendant Made in Platinum
Located in Tokyo, JP
A beautiful pendant featuring a 2.51 Carat Natural Royal Blue, Sapphire and 0.95 Carats Diamond
Category

20th Century Japanese Modern Pendant Necklaces

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Roxa 18 Karat Rose Gold 0.50 Carat Diamond and Royal Blue Topaz Bracelet
By Roxa
Located in Southampton, PA
This Roxa bracelet is made of 18K rose gold and embellished with royal blue topazes and a total of
Category

21st Century and Contemporary More Bracelets

Materials

Diamond, Rose Gold

2.94 Carat Royal Blue Ceylon Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
1.78 Carats of Diamond Accents set in Platinum. Sapphires have extraordinary durability - they excel in
Category

2010s Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Platinum

Picchiotti 18k White Gold 1.42 Carat Diamond Pave and Sapphire Royal Blue Ring
By Picchiotti
Located in Southampton, PA
royal blue sapphire and a total of 1.42 carats of diamonds. Offered in estate condition, this item
Category

21st Century and Contemporary More Rings

Materials

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

Roxa 18 Karat Gold 0.11 Carat Diamond, Royal Blue Topaz and Peridot Earrings
By Roxa
Located in Southampton, PA
1.12” in length and 0.50” in width. The earrings are embellished with royal blue topazes, peridots, and
Category

21st Century and Contemporary More Earrings

Materials

Diamond, White Gold

Roxa 18 Karat White Gold 0.12 Carat Diamond and Royal Blue Topaz Earrings
By Roxa
Located in Southampton, PA
1” in length and 0.50” in width. The earrings are embellished with two royal blue topaz stones, and
Category

21st Century and Contemporary More Earrings

Materials

Diamond, White Gold

Roxa 18 Karat Gold 0.12 Carat Diamond, Royal Blue Topaz and Sapphire Earrings
By Roxa
Located in Southampton, PA
1.12” in length and 0.45” in width. The earrings are embellished with royal blue topazes, sapphires
Category

21st Century and Contemporary More Earrings

Materials

Diamond, Rose Gold

1.00ct Round Brilliant Diamond and Royal Blue Enamel Domed 18k Cocktail Ring
Located in Chevy Chase, MD
A beautifully made fashion ring. The 1.00 carat in round brilliant cut diamonds are all bezel set
Category

Late 20th Century Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold, Enamel

Roxa 18 Karat Rose Gold 0.20 Carat Diamond and Royal Blue Topaz Ring
By Roxa
Located in Southampton, PA
This Roxa ring is crafted from 18K rose gold and embellished with a royal blue topaz and a total of
Category

21st Century and Contemporary Band Rings

Materials

Diamond, Rose Gold

Roxa 18 Karat White Gold 0.08 Carat Diamond and Royal Blue Topaz Ring
By Roxa
Located in Southampton, PA
top height of 10 mm, while top dimensions measure 15 by 15 mm. The ring is embellished with a royal
Category

21st Century and Contemporary Band Rings

Materials

Diamond, White Gold

8.88 Carat Royal Blue Emerald Cut Natural Sapphire and Diamond Engagement Ring
By Tobi Gem Setting
Located in London, GB
Exquisite engagement ring set with an emerald cut royal blue sapphire weighing an impressive 8.88
Category

2010s English Art Deco Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

5.5 Carat Ceylon No Heat Royal Blue Sapphire and Diamond Cluster Ring
Located in Banbury, GB
Sapphire: 5.5 carats (With GCS Certification stating Ceylon No Heat) Diamonds approx total weight
Category

Vintage 1970s British Retro Cluster Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

1.45 Carat, Natural, Ceylon, Royal Blue Sapphire Diamond Ring Set in Platinum
Located in Tokyo, JP
), Royal Blue Color Sapphire and 1.06 Carats of Diamond Accents set in Platinum. Sapphires have
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

AIG Certified 1.80 Carat, Unheated Royal Blue Sapphire Diamond Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a AIGS Certified 1.80 Carat Natural Unheated, Royal Blue Blue Sapphire
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

AIG Certified 2.33 Carat Royal Blue Sapphire and Diamond Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a AIGS Certified 2.33 Carat Royal Blue Blue Sapphire and 0.61 Carats
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Audemars Piguet Royal Oak Lady
By Audemars Piguet
Located in North Miami Beach, FL
UNWORN Lady Royal Oak Oak Leaves Collection White Gold Mother of Pearl Rare Strap Last known Retail
Category

21st Century and Contemporary Swiss Modern Wrist Watches

Materials

Diamond, 18k Gold, White Gold

Sapphire Royal Blue Princess Diana Diamond Style Gold Ring St Valentine s Gift
Located in Berlin, DE
An amazing 18K gold ring with natural unheated Royal Blue sapphire and diamond in Princess Diana
Category

2010s Japanese Russian Empire Engagement Rings

Materials

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

Fine Royal Blue Sapphire Diamond 18k White Gold Oval Cut Three Stone Ring
By Gems and Jewels UK
Located in Birmingham, GB
Fine Oval Cut Royal Blue Sapphire And Diamond 18k White Gold Three Stone Ring. Fine 1.03 carat
Category

21st Century and Contemporary Three-Stone Rings

Materials

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

Asprey Natural Royal Blue Sapphire Diamond Ring Platinum 5.54 Carat
By Asprey International Limited
Located in London, England
Natural Royal Blue sapphire and diamond cluster cocktail ring in platinum. The ring has a double talon
Category

21st Century and Contemporary British Contemporary Engagement Rings

Materials

Sapphire, Platinum

Certified 6 Carat Ceylon Royal Blue Sapphire and Rose Cut Diamond Cocktail Ring
Located in Hong Kong, HK
totaling 2.68Cts and an additional 94 round white diamonds totaling another 0.63cts. The royal blue
Category

2010s Hong Kong Cocktail Rings

Materials

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

3.05 Carat Ceylon Royal Blue Sapphire Diamond Ring in 18K White Gold
Located in Bangkok, TH
mesmerizing beauty of this royal blue sapphire. The sapphire, a regal emblem of rich sophistication, boasts a
Category

21st Century and Contemporary Modern Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Piaget for Asprey Gold and Diamond Ladies Wristwatch with Royal Emblem of Oman
By Piaget
Located in Chicago, IL
case with White Gold bezel set with 30 Round Brilliant cut Diamonds totaling 1.50 Carats and grading as
Category

Vintage 1980s Swiss Wrist Watches

Materials

Diamond, 18k Gold

Victorian Sapphire Diamond Three Stone Cluster Ring Royal Blue Sapphire 18K Gold
Located in Fairfield, CT
Victorian Sapphire Diamond Three Stone Cluster Ring Royal Blue Sapphire 18K Gold This Victorian
Category

Antique 1880s Victorian Cluster Rings

Materials

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

Cartier No Heat Sapphire Diamond Ring Royal Blue 18K Yellow Gold ~5.71ctw
By Cartier
Located in Fairfield, CT
Cartier No Heat Sapphire Diamond Ring Royal Blue 18K Yellow Gold ~5.71ctw Made in 18k yellow gold
Category

Vintage 1970s Fashion Rings

Materials

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

David Yurman Men s Silver Grooved Black Onyx Diamond Royal Cord Signet Ring
By David Yurman
Located in Montclair, NJ
x 16.7mm (approx.) (8) Natural Genuine Diamond - Round Brilliant Cut - Shared Prong Set - G/H Color
Category

21st Century and Contemporary Signet Rings

Materials

Diamond, Onyx, Silver, Sterling Silver

Audemars Piguet Diamond, MOP White Gold Royal Oak Ladies Watch
By Audemars Piguet
Located in Beverly Hills, CA
Elegant ladies watch was created by Audemars Piguet for Royal Oak collection. The watch is made of
Category

Swiss Wrist Watches

7.87 Carats Royal Blue Sapphire and Diamond Tennis Bracelet Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 7.87 Carats Natural Sapphires and 1.63 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Tennis Bracelets

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Contemporary 5.13 Carat Royal Blue Sapphire Diamond Platinum Ring GIA
Located in Philadelphia, PA
Centering a bezel set sapphire weighing approximately 4.50 carat total, deep royal blue and
Category

Late 20th Century Contemporary Fashion Rings

Materials

Blue Sapphire, Platinum

1.59 Carat Natural Royal Blue Sapphire and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 1.59 Carat Natural Sapphire and 0.37 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Three-Stone Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.16 Carat Natural Royal Blue Sapphire Diamond Ballerina Ring set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.16 Carat Natural Blue Sapphire and 0.83 Carats Diamond Accents set in
Category

20th Century Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

3.68 Carat Natural Royal Blue Sapphire Diamond Halo Ring set in Platinum
Located in Tokyo, JP
A beautiful ring featuring 3.68 Carat Natural Blue Sapphire and 1.46 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.14 Carat Natural Royal Blue Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
0.52 Carats of Diamond Accents set in Platinum. Sapphires have extraordinary durability - they excel in
Category

21st Century and Contemporary Japanese Modern Fashion Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

2.57 Carat Natural Royal Blue Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring a 2.578 Carat, Natural Blue Sapphire and 0.898 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.52 Carat Natural Royal Blue Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful Ring featuring a 1.52 Carat, Natural, Blue Sapphire and 0.56 Carats of Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.11 Carat Natural Royal Blue Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful Ring featuring a 1.11 Carat, Natural, Blue Sapphire and 0.89 Carats of Diamond Accents
Category

21st Century and Contemporary Japanese Modern Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Estate Audemars Piguet Royal Oak Diamond and Mother of Pearl 24 mm 18k Watch
By Audemars Piguet
Located in Los Angeles, CA
Gorgeous estate Audemars Piguet Royal Oak mother of pearl and white diamond 24 mm watch. 18k white
Category

20th Century Wrist Watches

Materials

Diamond

French Modern 1.51 Carat Royal Blue Sapphire Diamonds 18 Karat White Gold Ring
Located in Poitiers, FR
approximately. Laboratory-certified royal blue sapphire. Total weight of the marquise-cut diamonds : 0.45 carat
Category

21st Century and Contemporary French Modern Engagement Rings

Materials

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

Audemars Piguet Royal Oak 18 Karat White Gold Diamond Pave Eternity Band Ring
By Audemars Piguet
Located in Southampton, PA
diamond stones.
Category

21st Century and Contemporary Band Rings

Materials

Diamond, White Gold

Rosior GRS Certified 7.03 ct Royal Blue Sapphire and Diamond Cocktail Ring
By Rosior
Located in Porto, PT
Sapphire with 7.03 ct, certified by GRS (Gemresearch Swisslab) as a non heated "Royal Blue" Color. - Round
Category

21st Century and Contemporary Portuguese Contemporary Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Gold, White Gold, Rhodium

.50 Carat Diamonds Royal Lion Monarch Brooch Pin 18 Karat 3D Best
Located in New York, NY
Monarch Divine .50ct. diamonds Lion Brooch pin. Rounds, Full cut Brilliant. G-color Vs-2 clarity
Category

2010s American Brooches

Materials

Diamond, Emerald, Ruby, Sapphire, 18k Gold, Yellow Gold

Audemars Piguet Vintage Royal Oak Yellow Gold Diamond and Ruby Watch circa 1980s
By Audemars Piguet
Located in Southampton, PA
This Audemars Piguet Royal Oak timepiece from the 1980s boasts a diamond-embellished 18K yellow
Category

20th Century Wrist Watches

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

18K Yellow Gold and Royal Blue Sapphire and White Fancy Cut Diamond Ring
Located in Aspen, CO
Diamond and natural bright Blue Sapphire prong set in a contemporary 18K yellow gold ring. The fine
Category

21st Century and Contemporary North American Modern Engagement Rings

Materials

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

Audemars Piguet-Royal Oak Champagne Diamond Dial 18K Yellow Gold Ladies Watch
By Audemars Piguet
Located in Great Neck Plaza, NY
Audemars Piguet Royal Oak Ladies' Watch. This timepiece features a 26mm case made of 18K yellow
Category

1990s Wrist Watches

Materials

18k Gold

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Royal Diamond For Sale on 1stDibs

You are likely to find exactly the royal diamond you’re looking for on 1stDibs, as there is a broad range for sale. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and White Gold. You can easily find a 159 antique edition and 325 modern creations to choose from as well. Finding the perfect royal diamond may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. Creating a royal diamond has been a part of the legacy of many jewelers, but those produced by Audemars Piguet, Antinori Fine Jewels and Roxa are consistently popular. A round cut version of this piece has appeal, but there are also oval cut and cushion cut versions for sale. When shopping for a royal diamond, you’ll find that there are less available pieces for unisex or men today than there are for women.

How Much is a Royal Diamond?

Prices for a royal diamond can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $462 and can go as high as $1,175,000, while this accessory, on average, fetches $12,361.

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.