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18 Karat White Gold Blue Glass Ring Size 6.25 #17148
Located in Washington Depot, CT
18K White Gold Blue Glass Ring Size 6.25 This lovely ring features one rectangular blue glass
Category

21st Century and Contemporary Engagement Rings

Materials

18k Gold, White Gold

Antique 14K Blue Glass Ring Size 7.5
Located in Webster, SD
. Measurements: The simulated blue stone is 7mm (apx 1 carat). The face of the ring measures just shy of 1/2 of
Category

Early 20th Century Unknown Art Deco Solitaire Rings

Materials

14k Gold

Panetta Sterling Blue Glass and Clear Rhinestones Cocktail Ring circa 1970s
By Panetta
Located in London, GB
Panetta lovely sterling cocktail ring, set with a faceted blue glass stone, and edged with clear
Category

Vintage 1970s American Cocktail Rings

Antique Georgian Era Blue Glass Diamond Unisex Ring
Located in Chicago, IL
large cobalt blue glass plaque centered with three old cut diamonds set in silver cut down settings. The
Category

Antique Late 18th Century Georgian Cluster Rings

Materials

Diamond

Gold 'Au Firmament' ring with blue glass and diamonds
Located in Amsterdam, NL
A 14 carat gold ‘au Firmament’ ring set with an octagonal blue glass panel the bottom and top are
Category

Antique 1770s European Fashion Rings

Materials

Diamond, Gold, 14k Gold

PONTIEL Egyptian Revival Blue Glass Scarab Sterling Silver Ring
By PONTIEL Jewelry
Located in Houston, TX
This Scarab ring is made from molded glass that is expertly crafted to resemble lapis lazuli. The
Category

21st Century and Contemporary American Egyptian Revival Fashion Rings

Materials

Sterling Silver

Venini Two-Tone Tall Vase 'Signed'
By Venini
Located in East Hampton, NY
Reverse cone shape with vivid turquoise blue glass ring on black glass base. SIGNED and dated to
Category

Late 20th Century Italian Vases

Materials

Murano Glass

Pure Bronze and Blue Murano Glass Ring by Patrizia Daliana
By Patrizia Daliana
Located in Firenze, FI
Bronze ring with Murano glass carved and cut by hand representing ancient head of a Roman woman
Category

2010s Italian Artisan More Rings

Materials

Bronze

Antique Georgian 18K Gold & Silver Diamond & Blue Glass Scorpio Firmament Ring
Located in Staines-Upon-Thames, GB
A Georgian diamond, Bristol blue glass, silver and rosy yellow gold ring, comprising forty-four
Category

Antique 1820s Georgian Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold, Silver

Yellow Gold Blue Glass Art Deco Solitaire Ring - 10k Square Cut Milgrain
Located in Greensboro, NC
Metal Content: 10k Yellow Gold Stone Information Glass Cut: Square Color: Blue Size: 3.9mm (square
Category

Vintage 1920s Cocktail Rings

Materials

10k Gold, Yellow Gold

Silver and Blue Oval Glass Marcasite Ladybird Flower Statement Ring circa 1970s
Located in London, GB
Fabulous silver ring featuring an oval faceted blue glass stone, circa 1970s. The setting has an
Category

Vintage 1970s Cocktail Rings

Materials

Marcasite, Sterling Silver

Ralph Masri Sacred Windows Blue Sapphire Ring
By Ralph Masri
Located in Barcelona, Barcelona
Edgy 18kt white gold ring with blue sapphires from Ralph Masri's Sacred Windows collection
Category

21st Century and Contemporary Lebanese Modern Band Rings

Materials

Blue Sapphire, Sapphire, 18k Gold, White Gold

Large Vintage Blue Glass Cameo Ruby and Pearl Ring in 14k Yellow Gold
Located in Honolulu, HI
Item Specifications: Metal: 14K Yellow Gold Style: Statement Ring Ring Size: 8.25 (resizing
Category

21st Century and Contemporary Retro Cocktail Rings

Materials

Ruby, Pearl, 14k Gold, Yellow Gold

MWLC Poured Glass Zinnia Ring
By Mark Walsh Leslie Chin
Located in New York, NY
glass set within gilt metal. Blue chalcedony glass bead center. Dimensional ring with adjustable band
Category

21st Century and Contemporary French Fashion Rings

Fraleoni 18 Kt. White Gold Diamond Blue Sapphire Ruby Cocktail Ring
By FRALEONI
Located in Rome, IT
Anello realizzato in oro bianco 18 kt. con diamanti, zaffiri blue e rubino glass filled firmato
Category

2010s Italian Modern Cocktail Rings

Materials

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

Lalique Nerita Ring Blue Tone Crystal Domed Ring with Original Box
By Lalique
Located in New York, NY
This is the 1990s version of Lalique's iconic ‘cabochon’ ring created in 1931. The glass ring is
Category

20th Century French Contemporary Fashion Rings

Materials

Crystal

Roman Mosaic Glass & 21k Ring, Size 8
Located in Atlanta, GA
band and squared/rope bezel. The coloration of this ancient Roman glass is cobalt/navy blue in color
Category

Antique 15th Century and Earlier Classical Roman Fashion Rings

Materials

22k Gold

Rare Vintage Chopard Happy Diamonds Blue Sapphire & Diamond 18k White Gold Ring
By Chopard
Located in Birmingham, GB
crystal glass, enhancing their sparkle with every move. This is a rare piece featuring a blue sapphire
Category

20th Century Cocktail Rings

Materials

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

Amethyst 9.29 Carat Blue Sapphires Tsavorites 18 Karat White Gold Gothic Ring
By Mousson Atelier
Located in Bangkok, TH
Amethyst 9.29 Carat Blue Sapphires Tsavorites 18 Karat White Gold Gothic Ring Imagine a Gothic
Category

21st Century and Contemporary Thai Contemporary Cocktail Rings

Materials

Blue Sapphire, Amethyst, Tsavorite, 18k Gold

40.35ct Glass centerpiece & .20ctw Diamonds Ring In Platinum
Located in Bloomington, MN
40.35ct Glass centerpiece & .20ctw Diamonds Ring In Platinum Introducing a stunning Cocktail Ring
Category

Late 20th Century Modern Fashion Rings

Materials

Diamond, Platinum

Monart MF Pale Blue & Copper Aventurine Vintage Glass Vase
By Monart
Located in Bolton, GB
A small Monart pale blue mottled glass vase with speckles of copper aventurine. Made by the
Category

Vintage 1930s British Mid-Century Modern Glass

Materials

Glass, Art Glass, Blown Glass

Antique 9ct Two Gold Edwardian Carved Glass Seal Signet Ring
Located in Brighton, GB
light blue, carved glass, family crest. Framed in white gold & mounted on a yellow gold band with lovely
Category

Early 20th Century English Edwardian Signet Rings

Materials

Gold, 9k Gold

Seguso Vetri d'Arte Murano Bullicante Blue Art Glass Bowl / Ashtray
By Seguso, Flavio Poli
Located in Barcelona, ES
. This eye-catching Murano cobalt blue Sommerso Italian Art glass bowl is made of blue glass submmerged
Category

Mid-20th Century Italian Mid-Century Modern Ashtrays

Materials

Gold Leaf

Antique Burmese Certified 10.18 Carat Blue Star Sapphire and Diamond Ring
Located in OVIEDO, AS
RARE BURMESE (Mogok - Myanmar) BLUE STAR SAPPHIRE AND DIAMOND RING, not heated, not treated
Category

Antique Late 19th Century European Dome Rings

Materials

Diamond, Star Sapphire, 18k Gold

Vintage YSL Gold Massive Blue Multicolour Stone Arty Ring in Size 6
By Yves Saint Laurent
Located in PUTNEY, NSW
stone in this ring was typically made of colored glass or resin with a marbled or multicolored
Category

1990s European Etruscan Revival Fashion Rings

Materials

Gold

Vintage Blue Decorative Glass Basket Bowl, Drost, Europe, 1960s
By Jan Sylwester Drost
Located in 05-080 Hornowek, PL
iron mold, creating glass products with the texture of tree bark and rings, shells, etc.
Category

Mid-20th Century Polish Mid-Century Modern Platters and Serveware

Materials

Ceramic, Glass

Italian Murano Glass Ring Queen Omphale of Greek Mythology Silver and Gold
Located in Brooklyn, NY
Venetian Blue/Grey Murano Glass Antique / Gothic Style Ring Engraved Image of Omphale, queen of
Category

2010s Italian Gothic Revival Fashion Rings

Materials

18k Gold, Sterling Silver

Galliano Ferro Murano Turquoise, Blue, Red Fused Caned Glass Bowl Vintage
By Galliano Ferro
Located in North Miami, FL
The amazing colors of this sculptural masterpiece of an Italian vintage Murano glass bowl ring with
Category

Vintage 1960s Italian Mid-Century Modern Glass

Materials

Glass

14k Wide Stained Glass Heart Motif Ring Set with Rubies and Sapphires
Located in Southport, CT
14k yellow gold ring. This fun ring is a wide, high polished, domed heart motif, set on its side
Category

21st Century and Contemporary Unknown Contemporary Fashion Rings

Materials

Ruby, Sapphire, 14k Gold, Yellow Gold

Vintage 1960's 18k Yellow Gold Red, Blue, and Green Enamel Dome Statement Ring
Located in Boston, MA
Vintage 1960's 18k Yellow Gold Red, Blue, and Green Enamel Dome Statement Ring - The ring measures
Category

Vintage 1960s Italian Fashion Rings

Materials

Yellow Gold, 18k Gold, Enamel

Paul Amey Signature Molten Edge, 18k Gold, Blue Enamel, Pearl and Diamond Ring
By Paul Amey
Located in Tewantin, Queensland
“glass” deep blue enamel. Note: this enamel is not acrylic. There are 3 round white diamonds randomly set
Category

2010s Australian Artisan Fashion Rings

Materials

Diamond, Pearl, Gold, 18k Gold, Yellow Gold, Enamel

Modernist Cocktail Ring 18Kt White Gold with Blue Enamel and 1.08 Cts Diamonds
Located in Miami, FL
Jeweled domed cocktail ring with Blue Enamel. Very handsome and colorful modernist piece, created
Category

Vintage 1970s German Modernist Cocktail Rings

Materials

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

A Byzantine Gold and Glass Intaglio Ring, Circa 4th-6th Century A.D.
Located in Firenze, IT
blue glass, mounted in 22kt yellow gold, the intaglio 15mm wide, finger size 7 1/2 Weight:4.4gr
Category

Antique 15th Century and Earlier Italian Byzantine Signet Rings

Materials

Gold

Seguso for Oggetti Murano Blue Purple Glass Sculptures , Vases Italian Pair 80's
By Archimede Seguso, Oggetti
Located in North Miami, FL
These absolutely stunning and arresting Italian vintage Murano glass monumental glass sculptures
Category

Vintage 1980s Italian Modern Glass

Materials

Blown Glass

Multicolor gemstone 14k gold ring.
By Daizy Jewellery
Located in Istanbul, TR
Multicolor gemstone 14k gold ring. Gemstone Shaker ring. Rainbow gemstone under sapphire glass ring
Category

2010s Asian Modern Cocktail Rings

Materials

Agate, Amethyst, Emerald, Ruby, Blue Sapphire, Yellow Sapphire, Tourmali...

Stunning Ruby and Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
stunning ruby and diamond ring has an eye catching look with bright sparkle, gorgeous color, and a
Category

2010s Italian Modern Solitaire Rings

Materials

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

Amethyst Blue Sapphires Tsavorites 18 Karat White Gold Gothic Suite
By Mousson Atelier
Located in Bangkok, TH
Amethyst Blue Sapphires Tsavorites 18 Karat White Gold Gothic Suite Imagine a Gothic cathedral with
Category

21st Century and Contemporary Thai Contemporary Cocktail Rings

Materials

Amethyst, Blue Sapphire, Tsavorite, 18k Gold

Venezia Rosa - Murano Glass
Located in Istanbul, TR
The "Venezia Rosa" ring, emerging from the historical glasses of Murano Island, brings the elegance
Category

2010s Turkish Artisan Fashion Rings

Art Deco Skyscraper Cocktail Shaker and 6 Cocktail Glasses w/Blue & Orange Lines
Located in Nantucket, MA
blue and double orange rings and topped with a high domed chrome top with elongated off-center pour
Category

Early 20th Century American Art Deco Barware

Materials

Chrome

Salta Napking Ring, Alpaca Silver & Blue Onyx Natural Stone
By AIREDELSUR
Located in Buenos Aires, AR
. Its fertile valleys, windy desert, colorful mountains and blue sky are the images that led us to
Category

2010s Argentine Organic Modern Barware

Materials

Onyx, Stone, Metal

Salta Napking Ring, Alpaca Silver & Blue Onyx Natural Stone
By AIREDELSUR
Located in Buenos Aires, AR
. Its fertile valleys, windy desert, colorful mountains and blue sky are the images that led us to
Category

2010s Argentine Organic Modern Barware

Materials

Onyx, Stone, Metal

Silver Set Three Bowls Cobalt Blue Glass Liners Master Bubeniczek Vienna ca.1900
By Viennese Manufactory
Located in Vienna, AT
Silver set of three oblong bowls / centrepieces with original cobalt blue glass liners. Art Nouveau
Category

Antique Early 1900s Austrian Art Nouveau Sterling Silver

Materials

Sterling Silver

Charles X Flask in Opaline Crystal and Overlay Glass
Located in Paris, FR
Perfume bottle with its ball-shaped stopper in white and blue opaline, decorated with hexagonal
Category

Antique Early 19th Century French Restauration Glass

Materials

Opaline Glass

Elsa Schiaparelli Turquoise Cocktail Ring
By Elsa Schiaparelli
Located in New York, NY
base metal, faux Tibetan turquoise oval cabochon, with aurora iridized glass, in pink/blue/gold faceted
Category

Vintage 1950s American Baroque Revival Fashion Rings

Materials

Gold Plate, Base Metal, Gilt Metal

Lalique Nerita Ring Yellow Tone Crystal Domed Ring with Original Box
By Lalique
Located in New York, NY
This is the 1990s version of Lalique's iconic ‘cabochon’ ring created in 1931. The glass ring is
Category

20th Century French Contemporary Fashion Rings

Materials

Crystal

8.5 CTS Natural Untreated Thai Sapphire Frog Ring .925 Sterling Silver Ring
Located in Los Angeles, CA
8.5 CTS Natural untreated Thailand Blue Sapphires and Natural Thailand glass filled rubies 3.5 CTS
Category

21st Century and Contemporary Modern More Rings

Materials

Ruby, Sapphire, Rhodium, Sterling Silver

Fine Perthshire Blue Gentian Paperweight 1981D
Located in Tunbridge Wells, GB
Heading : A Perthshire Blue Gentian Paperweight 1981D Date : 1981 Origin : Scotland Features : A
Category

Vintage 1980s British Glass

Materials

Glass

Italian Murano Emerald Green Art Glass Seashell Jewelry Dish, Small
Located in New York, NY
A beautiful, small, Italian modern Murano emerald green art glass seashell jewelry dish, circa mid
Category

Mid-20th Century Italian Mid-Century Modern Glass

Materials

Art Glass, Murano Glass

Lalique Nerita Ring Red Amber Tone Crystal Domed Ring with Original Box
By Lalique
Located in New York, NY
This is the 1990s version of Lalique's iconic ‘cabochon’ ring created in 1931. The glass ring is
Category

20th Century French Contemporary Fashion Rings

Materials

Crystal

Micro Mosaic Bird Ring 60s Vintage 14k Yellow Gold Large Round Cocktail Ring
Located in Torrance, CA
. The ring is in good condition with light surface abrasions to the blue stone (visible under a 10x
Category

Mid-20th Century Unknown Modern Cocktail Rings

Materials

Gold, 14k Gold, Yellow Gold

Art Deco Skyscraper Style "Blue Moon" Cocktail Glasses in Chrome by Chase
Located in New York, NY
cups that attach to the base are realized in a sumptuous cobalt blue glass that provides a beautiful
Category

Vintage 1930s American Art Deco Serving Pieces

Materials

Chrome

Chinoiserie Blue and Green Vintage 24 Piece Blue Green Place Setting, Set of 4
Located in Oklahoma City, OK
placemat, dinner plate, cloth block print Indian table napkin, bamboo bentwood napkin ring, milk glass
Category

20th Century English Chinoiserie Tableware

Materials

Steel

Hand Painted Pink and Blue Heart Napkin Rings - Set of 4
Located in Oklahoma City, OK
A set of four round hand-painted napkin rings with blue and pink heart motif. Dimensions: 2
Category

20th Century American Post-Modern Tableware

Materials

Wood, Paint

Art Deco 2.28 CTW Old European Cut Diamond Sapphire Platinum Toi Et Moi Ring
Located in Philadelphia, PA
Designed as a bypass style ring terminating with an old European cut diamond and round cut sapphire
Category

Vintage 1930s Art Deco Fashion Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

Rose Cut Diamond Georgian Revival Ring
By 1801 Jewels
Located in PARKDALE, VIC
A beautiful Georgian revival jewel, featuring a collet set 0.8 carat natural rose cut diamond, blue
Category

Antique 19th Century Georgian Cocktail Rings

Materials

Diamond, 14k Gold, Silver

Art Nouveau Azurmalachite MilapillasMine Cabochon MexicanSilver Ring
Located in Chicago, IL
First appearing like an intense green-blue black opal without the flash, this antique natural
Category

Antique Early 1900s Mexican Art Nouveau Solitaire Rings

Materials

Malachite, Sterling Silver

Bora Set of 6 Red Glasses N. 1
By Carlo Moretti
Located in Milan, IT
" and "cannette," gold and silver leaf details, spots, bands, rings, and spiral patterns in red and blue
Category

2010s Italian Glass

Materials

Glass

Bora Set of 6 Red Glasses N. 1
H 4.02 in W 3.94 in D 3.71 in
14k Yellow Gold Oval Sapphire Bezel Set Ring
Located in Towson, MD
sides of the ring. At the center of this ring is an approximately 1ct dark blue sapphire set in a bezel
Category

Vintage 1980s Fashion Rings

Materials

Sapphire, 14k Gold, Yellow Gold

Antique Georgian era 18K gold diamond statement ring
Located in Versailles, FR
For sale a fabulous & very rare 18k statement ring featuring a beautiful blue pâte de verre in the
Category

Antique Late 18th Century French Georgian Cocktail Rings

Materials

Diamond, 18k Gold

Masriera Diamond Sapphire Enamel 18K Yellow Gold Ring
Located in Beverly Hills, CA
, this piece is no exception with the lovely bright yellow gold mixed with the blue sapphire and hand
Category

21st Century and Contemporary American Fashion Rings

Materials

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

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Blue Glass Ring For Sale on 1stDibs

With a vast inventory of beautiful furniture at 1stDibs, we’ve got just the blue glass ring you’re looking for. Frequently made of glass, metal and ceramic, every blue glass ring was constructed with great care. Find 696 options for an antique or vintage blue glass ring now, or shop our selection of 79 modern versions for a more contemporary example of this long-cherished piece. Your living room may not be complete without a blue glass ring — find older editions for sale from the 18th Century and newer versions made as recently as the 21st Century. Each blue glass ring bearing mid-century modern, Art Deco or modern hallmarks is very popular. You’ll likely find more than one blue glass ring that is appealing in its simplicity, but Germana Scapellato, SkLO and Venini produced versions that are worth a look.

How Much is a Blue Glass Ring?

A blue glass ring can differ in price owing to various characteristics — the average selling price 1stDibs is $1,965, while the lowest priced sells for $30 and the highest can go for as much as $220,800.
Questions About Blue Glass Ring
  • 1stDibs ExpertApril 5, 2022
    Bristol glass gets its signature blue hue from the inclusion of cobalt oxide in the glass-making process. Bristol blue glass has been made in Bristol, England, since the 18th century and is a favorite among collectors. Find a selection of Bristol blue glass goods on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    No, not all blue glass is cobalt glass. Only those made with cobalt oxide can be called cobalt. In some pieces, the presence of copper oxide accounts for the color, however, cobalt glass is much more common. You'll find a collection of cobalt glass on 1stDibs.
  • 1stDibs ExpertOctober 5, 2021
    The value of blue glass varies greatly depending on the condition of the glass and it may differ based on what a seller is asking for it. Reasonably priced vintage cobalt blue selections vary widely in variety and price. A single piece of blue glass may cost anywhere between $15 and $50. Visit 1stDibs for blue glass kitchenware ranging from below $1,000 to over $3,000.
  • 1stDibs ExpertApril 5, 2022
    How old cobalt glass is varies greatly. Ancient Mesopotamian examples exist from roughly 2000 BC. In China, cobalt glass became common during the Zhou Dynasty, which lasted from 1122 to 221 BC. European cobalt glass may date back to as early as the 15th century. Shop a collection of antique cobalt glass on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    If your glass has a blue tint to it, it is likely cobalt blue glass. There are three shades of cobalt glass; dark cobalt, which has a slight purplish hue, light or cornflower blue and medium blue. To verify its authenticity, check with an appraiser. You can also shop a collection of cobalt blue glass from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Cobalt blue glass is a deep blue glass that often gets its color by the addition of cobalt oxide in the molten glass mixture when the glass is being formed. The best way to identify cobalt blue glass is by the color. Shop a collection of cobalt blue glass from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    Yes, cobalt oxide makes glass blue. Different amounts of cobalt can be used to create more saturated levels of blue or to simply neutralize yellow for a more clear finish. Copper oxide can also be used to create a blue tinted glass. Shop a collection of cobalt glass from some of the world’s top sellers on 1stDibs.
  • 1stDibs ExpertOctober 5, 2021
    A blue diamond ring worth depends on the type of blue diamond. Ideally, a blue diamond’s cost is based on its 4Cs (cut, color, clarity, and carat), with the intensity of the color being the dominant factor. A blue diamond ring price ranges between $6,800 to $11,200. On 1stDibs, you can find a range of exquisite antique and vintage blue diamond rings.
  • 1stDibs ExpertAugust 17, 2021
    A blue sapphire ring is worth about $8,000 depending on the carat weight and quality of the stone. Blue sapphires are the most valuable color of this particular gem, making a blue sapphire ring quite valuable. A broad range of blue sapphire rings can be found on 1stDibs.
  • 1stDibs ExpertNovember 27, 2023
    Yes, blue sapphire can be a good option for a wedding ring. Rated at 9 out of 10 on the Mohs scale, the gemstone resists scratches and cleavage, making it a durable choice for everyday wear. Blue sapphires also traditionally symbolize faithfulness and loyalty, so they can represent a lasting commitment to one's wedding vows. Shop a collection of blue sapphire wedding rings on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    A blue sapphire engagement ring is traditionally symbolic of faithfulness, wisdom and honesty. One of the most renowned blue sapphire engagement rings belonged to Princess Diana. Shop a range of authentic vintage and contemporary blue sapphire engagement rings on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    What a blue topaz engagement ring means is largely a matter of personal interpretation. People associate the gemstone with a variety of sentiments, including loyalty, honesty and peace. It is also the birthstone for December. On 1stDibs, find a selection of blue topaz gemstone rings.
  • 1stDibs ExpertNovember 14, 2023
    Yes, Tiffany & Co. engagement rings come in a blue box. Called Tiffany Blue, the color of the box is a trademark of Tiffany & Co. It debuted in 1886, when the luxury jewelry maker first began packaging its signature diamond engagement ring in the now iconic blue boxes. Explore an assortment of Tiffany & Co. engagement rings on 1stDibs.
  • 1stDibs ExpertOctober 12, 2021
    A blue star sapphire has a transparent body with a deep blue color. A blue star sapphire ring’s worth depends on the 4Cs — color, clarity, cut and carat. Prices for a blue star sapphire ring can also differ according to size and time period. These accessories begin at $449 and can cost as much as around $200,000 or more. On 1stDibs, shop a range of vintage blue star sapphire rings.