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New 18k White Gold 1.76ct Round Royal Blue Sapphire Diamond Halo Stud Earrings
Located in Montclair, NJ
Brilliant Cut - Prong Set - Gorgeous Royal Blue Color - 1.58ctw (exact) (40) Natural Genuine Diamonds
Category

2010s Stud Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Kashmir Blue Sapphire Diamond 18K White Gold Engagement Ring Royal Blue Velvet
By Alexey Gabilo
Located in Berlin, DE
Blue Kashmir Sapphire and Diamond 18K white gold ring Sapphire measurements 5.93 х 6.03 х 4.61 mm
Category

2010s French Modern Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

18k White Gold 2ctw Diamond W/ Royal Blue Sapphire Buckle Style Strap Bracelet
Located in Montclair, NJ
Stones: 408 Natural Genuine Diamonds - Round Brilliant Cut - Pave Set - G-I Color - VS2-I1 Clarity
Category

21st Century and Contemporary Link Bracelets

Materials

Diamond, Blue Sapphire, White Gold

Royal Blue Enamel Square Ring Diamond Vintage Sz 5.75 18k Yellow Gold Jewelry
Located in Torrance, CA
Finely detailed vintage blue enamel & diamond dome ring (circa 1960s to 1970s) crafted in 18k
Category

Mid-20th Century Italian Modern Cocktail Rings

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, Enamel

Royal Thames Yacht Club Burgee Brooch
Located in London, GB
A Royal Thames Yacht Club burgee brooch, set with baguette-cut diamonds and calibré-cut sapphire
Category

Vintage 1940s British Brooches

Materials

Diamond, Ruby, Sapphire, Platinum

Roxa 18K Rose Gold 1.10 ct Diamond, Royal Blue Topaz and Sapphire Drop Earrings
By Roxa
Located in Southampton, PA
2.10” in length and 0.60” in width. The earrings are embellished with royal blue topazes, sapphires
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, Rose Gold

Roxa 18 Karat Rose Gold 0.36 Carat Diamond and Royal Blue Topaz Drop Earrings
By Roxa
Located in Southampton, PA
1.62” in length and 0.50” in width. The earrings are embellished with royal blue topazes and a total of
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, Rose Gold

Roxa 18K White Gold 0.11 ct Diamond, Amethyst and Royal Blue Topaz Drop Earrings
By Roxa
Located in Southampton, PA
1.87” in length and 0.48” in width. The earrings are embellished with amethysts, royal blue topazes
Category

21st Century and Contemporary Drop Earrings

Materials

Diamond, White Gold

New 18k White Gold 1.86ct Round Royal Blue Sapphire Diamond Halo Stud Earrings
Located in Montclair, NJ
Brilliant Cut - Prong Set - Gorgeous Royal Blue Color - 1.50ctw (exact) (36) Natural Genuine Diamonds
Category

2010s American Stud Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Roxa 18 Karat White Gold 0.08 Carat Diamond, Royal Blue Topaz and Peridot Ring
By Roxa
Located in Southampton, PA
, a royal blue topaz, and a total of 0.08 carats of diamonds. Offered in brand new condition, this
Category

21st Century and Contemporary Band Rings

Materials

Diamond, White Gold

4.38 Carats, Heart-Cut Royal Blue Sapphire and Diamond Earrings made in Platinum
Located in Tokyo, JP
A beautiful pair of earrings featuring a total of 4.38 Carat Natural Royal Blue Sapphires and 1.22
Category

21st Century and Contemporary Japanese Modern Stud Earrings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Mid-Century French GIA Royal Blue No Heat Sapphire Diamond 18 Karat Ring
Located in Beverly Hills, CA
One Mid Century French GIA Royal Blue No Heat Sapphire Diamond 18 Karat Platinum Three Stone Ring
Category

Vintage 1960s French Three-Stone Rings

Materials

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

Vintage Deck of Cards Ring Royal Flush 14 Karat Gold Diamond Poker Jewelry
Located in Torrance, CA
Distinct and unusual cocktail ring featuring a deck of cards (royal flush), circa 1960s to 1970s
Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Diamond, 14k Gold, Yellow Gold

Audemars Piguet Ladies Stainless Steel Diamond Royal Oak Quartz Wristwatch
Located in Scottsdale, AZ
crystal, diamond set bezel, pull/push crown Band: Audemars Piguet factory white strap with deployment
Category

Early 2000s American Modern Wrist Watches

Materials

Stainless Steel

Leo Pizzo 18k White Gold 1.51ctw Oval Royal Blue Sapphire Pave Diamond Ring
By Leo Pizzo
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Cut - Half Bezel / Channel Set - True Clean Royal
Category

21st Century and Contemporary Solitaire Rings

Materials

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

Leo Pizzo 18k White Gold 1.51ctw Oval Royal Blue Sapphire Pave Diamond Ring
By Leo Pizzo
Located in Montclair, NJ
--Stone(s):-- (1) Natural Genuine Sapphire - Oval Cut - Half Bezel / Channel Set - True Clean Royal
Category

21st Century and Contemporary Solitaire Rings

Materials

Diamond, 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, 18k Gold

4.97 Carat Royal Blue Sapphire Baguette Diamonds Ring in 18 Karat White Gold
Located in Hong Kong, HK
carat of round diamonds and 2.26 carat of baguette diamonds. The sapphire color is royal blue and it is
Category

21st Century and Contemporary Hong Kong Contemporary Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

New 18K White Gold GIA Cushion Royal Blue Sapphire Diamond Halo Stud Earrings
Located in Montclair, NJ
You are looking at magnificent brand new pair of sapphire and diamond stud earrings solidly and
Category

2010s American Stud Earrings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

2.95 Carat Natural Royal Blue Sapphire and Diamond Halo Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 2.95 Carat Natural Royal Blue Sapphire and 1.80 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.92 Carat Natural Royal Blue Sapphire and Diamond Halo Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 1.92 Carat Natural Royal Blue Sapphire and 0.55 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.07 Carat, Unheated, Royal Blue Color Sapphire and Diamond Ring Set in Platinum
Located in Tokyo, JP
A beautiful ring featuring AIGS Certified 1.07 Carat Natural Royal Blue, Unheated Sapphire and 0.29
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

1.50 Carat Natural Royal Blue Color Sapphire and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring AIGS Certified 1.50 Carat Natural Royal Blue Color Sapphire and 0.70
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

3.21 Carat Natural Royal Blue Color Sapphire and Diamond Ring Made in Platinum
Located in Tokyo, JP
A beautiful ring featuring 3.21 Carat Natural Royal Blue Sapphire and 0.82 Carats Diamond Accents
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

5.01ctw Ceylon GIA Natural Royal Blue Sapphire and Diamond Platinum 3-Stone Ring
Located in New York, NY
An Iconic Style and VERY ELEGANT Ceylon Natural Gorgeous Deep Blue Sapphire & Diamond Trilogy Ring
Category

Early 2000s Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

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

21st Century and Contemporary American Contemporary Fashion Rings

Materials

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

Vintage 18ct Gold 1930s Royal Blue Enamel Rose Cut Diamond Buckle/Belt Ring
Located in Brighton, GB
18ct yellow gold belt ring, exquisitely adorned with royal blue enamel and a captivating rose-cut
Category

Early 20th Century English Band Rings

Materials

Diamond, Gold, 18k Gold, Enamel

4.64ctw Ceylon GIA Natural Royal Blue Sapphire and Diamond Platinum 3 Stone Ring
Located in New York, NY
Iconic Style and VERY ELEGANT Ceylon Natural Gorgeous Deep Blue Sapphire & Diamond Trilogy Ring. A
Category

Early 2000s Engagement Rings

Materials

Diamond, Blue Sapphire, Platinum

GIA Certified 21 Carat Burma No Heat Royal Blue Sapphire Diamond Dangle Earrings
By Antinori Fine Jewels
Located in Chicago, IL
clean vintage diamonds! Impressively large with rich, even color, the sapphires have a stunning presence
Category

Vintage 1980s Italian Modern Dangle Earrings

Materials

Diamond, Blue Sapphire, Platinum

Audemars Piguet Royal Oak Offshore Original Diamond Bezel Chronograph Ladies
By Audemars Piguet
Located in Bishop s Stortford, Hertfordshire
Ref: W3739 Model: 26267FS.ZZ.D002CA.02 Serial: G79******** Condition: 9 - Excellent condition Age: 1st September 2013 Case Diameter: 37 mm Case Size: 37mm Box and Papers: Box, Manual...
Category

2010s German Wrist Watches

Audemars Piguet Royal Oak Offshore Original Diamond Bezel Chronograph Ladies
By Audemars Piguet
Located in Bishop s Stortford, Hertfordshire
Ref: W3739 Model: 26267FS.ZZ.D002CA.02 Serial: G79******** Condition: 9 - Excellent condition Age: 1st September 2013 Case Diameter: 37 mm Case Size: 37mm Box and Papers: Box, Manual...
Category

2010s German Wrist Watches

H H 1.50 Carat Oval Royal Blue Sapphire and Trillion Cut Diamond Cocktail Ring
By H H Jewels
Located in Miami, FL
Like that of the blue evil eye of the Mediterranean, a 1.50 carat Royal Blue Sapphire is set at
Category

2010s Fashion Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

11 Carats Royal Blue Sapphire and Diamond Dome Cocktail Ring – 18K White Gold
Located in Los Angeles, CA
diamond ring, masterfully crafted in 18K white gold. Featuring over 11 carats of vivid oval and round blue
Category

Vintage 1980s Artisan Cocktail Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

29.5 Emerald Cut London Royal Blue Topaz and 1 Carat Diamond Halo Cocktail Ring
Located in Austin, TX
London Royal Blue Topaz and Diamond Cocktail Ring-in stock This remarkable cocktail ring is
Category

21st Century and Contemporary American Modern Cocktail Rings

Materials

Diamond, Topaz, 14k Gold

An 18 Carat Royal Bracelet with the initials WE in diamond and sapphire
By Bonebakker
Located in Amsterdam, NL
initials "WE" in sapphire and diamond. With the use of a separate brooch frame, the applique can also be
Category

Antique 1890s Dutch Victorian Bangles

Materials

Diamond, Sapphire, 18k Gold

Royal Blue Enamel Dome Ring Diamond Vintage Sz 5 18k Yellow Gold Fine Jewelry
Located in Torrance, CA
Finely detailed vintage blue enamel & diamond dome ring (circa 1960s to 1970s) crafted in 18k
Category

Mid-20th Century Italian Modern Cocktail Rings

Materials

White Diamond, Diamond, Enamel, Yellow Gold, 18k Gold, Gold

1.27 Carat "Royal Blue" Sapphire and Diamond Cocktail Ring set in 18K Gold
Located in Tokyo, JP
A beautiful ring featuring 1.27 Carat Natural Blue Sapphire and 1.00 Carats Diamond Accents set in
Category

21st Century and Contemporary Japanese Modern Cocktail Rings

Materials

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

Antique Royal Blue Enamel and Pearl Ring
Located in Baltimore, MD
Dramatic 18K gold marquis shaped ring in royal blue and white enameling surrounded by pearls and
Category

English Cocktail Rings

Materials

Diamond, Natural Pearl, 18k Gold

Royal Blue Sapphire and Diamond Three-Stone Engagement Ring Set in 18 Karat Gold
Located in London, England
A beautiful vibrant royal blue sapphire and diamond three stone engagement ring set in 18k yellow
Category

2010s British Modern Engagement Rings

Materials

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

Audemars Piguet Royal Oak 67651ST.ZZ.1261ST.01
By Audemars Piguet
Located in Mayfair, London, London
A stunning 33mm ladies Royal Oak wristwatch crafted in stainless steel by Audemars Piguet. Features
Category

21st Century and Contemporary Swiss Wrist Watches

Materials

Diamond, Stainless Steel

2.64 Carat Royal Blue Sapphire Ring with Old Mine Cut Diamonds in 18K Gold
Located in Bangkok, TH
emerald-cut Sapphire, radiating an opulent royal blue hue, this sapphire originates from the esteemed land
Category

21st Century and Contemporary Victorian Cocktail Rings

Materials

Diamond, Blue Sapphire, Yellow Gold, 18k Gold

1ct Royal Blue Sapphire Ring w Natural Diamonds in Solid 14K Gold RD 6mm
Located in Columbus, OH
with earth mined diamond accents. A nature inspired ring design perfect for an eye catching engagement
Category

21st Century and Contemporary Art Deco Fashion Rings

Materials

Diamond, Sapphire, Gold, 14k Gold, Yellow Gold

Modern Cushion Cut Natural Royal Blue Sapphire and Diamond Ring AGL Certified
Located in Cape May, NJ
Era: Modern Hallmarks: 14K Composition: 14K White Gold Primary Stone: Cushion Cut Royal Blue
Category

2010s Unknown Modern Three-Stone Rings

Materials

Sapphire, 14k Gold

Audemars Piguet Royal Oak Diamond Silver Steel Ladies Watch 67621ST.ZZ.D012CR.02
By Audemars Piguet
Located in New York, NY
This pre-owned Audemars Piguet Royal Oak 67621ST.ZZ.D012CR.02 is a beautiful Ladies timepiece that
Category

Early 2000s Swiss Wrist Watches

Audemars Piguet Royal Oak Mid-Size Gold Champagne Diamond Dial Quartz Watch
By Audemars Piguet
Located in Mayfair, London, London
An 18k Yellow Gold Royal Oak Unisex Wristwatch, champagne waffle dial with 10 applied round
Category

21st Century and Contemporary Unknown Wrist Watches

Materials

18k Gold

Audemars Piguet Lady Royal Oak 33mm Diamond Brown Dial Ladies Watch 67621OR
By Audemars Piguet
Located in New York, NY
Pre-owned in excellent condition. Unworn Band.Factory Bezel Set with 32 diamonds, approx 0.65
Category

21st Century and Contemporary Swiss Wrist Watches

Materials

18k Gold, Rose Gold

Louis XIV Royal Presentation Sword
Located in New Orleans, LA
XIV also gifted him with a Royal portrait enriched with diamonds in 1696. Alain Porée was born in
Category

Antique 18th Century French Louis XIV Arms, Armor and Weapons

Materials

Silver

Victorian Inspired 2.37 Ct Royal Blue Ceylon Sapphire Diamonds 18K Gold Ring
Located in Bangkok, TH
diamonds, creating an aesthetic that is truly unparalleled. The focal point of this remarkable creation is
Category

21st Century and Contemporary Victorian Engagement Rings

Materials

Blue Sapphire, Yellow Gold

Audemars Piguet Royal Oak 6048BA 18K Yellow Gold Diamond Dial Service Papers
By Audemars Piguet
Located in Great Neck Plaza, NY
luminous hands that provide visibility in low light, complemented by stunning diamond hour markers that add
Category

1990s Wrist Watches

Materials

18k Gold

Audemars Piguet Royal Oak Chronograph Watch 26322OR.ZZ.1222OR.01
By Audemars Piguet
Located in Southampton, PA
the exquisite “Royal Oak” collection. The watch boasts a 41 mm diamond-embellished 18K rose gold case
Category

21st Century and Contemporary Wrist Watches

Materials

Diamond, White Diamond, 18k Gold, Rose Gold

new VERSACE royal blue gold Medusa Barocco diamond quilted bomber jacket IT52 XL
By Versace
Located in Hong Kong, NT
new VERSACE royal blue gold Medusa Barocco diamond quilted bomber jacket IT52 XL Reference: TGAS
Category

2010s Italian Bomber Jackets

Ulysse Nardin Royal Blue Mystery Tourbillon Watch 799-90
By Ulysse Nardin
Located in Southampton, PA
LIMITED & NUMBERED EDITION OF 99 PIECES WORLDWIDE! This watch earns it "Royal Blue" name from the
Category

21st Century and Contemporary Wrist Watches

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Audemars Piguet Royal Oak 18K Gold Steel Diamond Gray Dial Quartz Men Watch
By Audemars Piguet
Located in New York, NY
Pre-Owned Audemars Piguet Royal Oak 33mm 18K Gold Steel Diamond Gray Dial Quartz Men Watch. factory
Category

20th Century Swiss Wrist Watches

Audemars Piguet Royal Oak Ladies Watch 67601ST.ZZ.D002CR.01
By Audemars Piguet
Located in Southampton, PA
Royal Oak characteristics and yet boasts a very definite feminine touch with the diamond bezel. Water
Category

21st Century and Contemporary Wrist Watches

Materials

Diamond, Stainless Steel

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph 26231ST.ZZ.D027CA.01
By Audemars Piguet
Located in Southampton, PA
The Audemars Piguet Royal Oak Offshore Selfwinding Chronograph, reference number 26231ST.ZZ.D027CA
Category

21st Century and Contemporary Wrist Watches

Materials

Diamond, White Diamond, Stainless Steel

Royal Blue Enamel Yellow Gold Cufflinks
Located in Los Angeles, CA
Round royal blue enamel and yellow gold cufflinks circa 1970. Jacob's Diamond & Estate Jewelry
Category

Vintage 1970s Modern Cufflinks

Materials

18k Gold, Yellow Gold, Enamel

Audemars Piguet Lady Royal Oak 33mm Steel Pink Dial Diamond Bezel Watch 77321ST
By Audemars Piguet
Located in New York, NY
authenticity card. General Information Brand: Audemars Piguet Model: Lady Royal Oak Model Number: 77321ST.ZZ
Category

21st Century and Contemporary Swiss Wrist Watches

Materials

Steel

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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.