GIA Certified 2.54 Carat Cushion Cut Sapphire Diamond Wave Gold Engagement Ring
Located in Stamford, CT
Stunning vintage 1940s sapphire and diamond halo wave design engagement ring. Mounted with a 2.54cts cushion cut sapphire, GIA certified as simple heat only.
Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold
Art Deco 10.56 Carat Cushion Cut Sapphire and Diamond Bracelet in Platinum
Located in New York, NY
A very beautiful and stunning bracelet from the art deco era showcasing a rich blue cushion cut sapphire, set in a diamond encrusted platinum setting.
Diamond, Sapphire, Blue Sapphire, Platinum
Antique Emerald And Diamond Ring. Cushion Emerald Three Stone 18K Yellow Gold
Located in New York, NY
Other Details: Primary Stone: Emerald Center Emerald Weight: Approximately 0.70 carats Center Emerald Cut: Cushion Cut Center Emerald Type: Natural Center Emerald Setting: Bezel Set...
Diamond, Emerald, Gold, Yellow Gold, Platinum, 18k Gold
Art Deco 1 Carat Sapphire Ring. Cushion Cut and Old Euro Diamond Halo Platinum
Located in New York, NY
Other Details: Primary Stone: Sapphire Center Sapphire Weight: Approximately 1.00 Carat Center Sapphire Cut: Cushion Cut Secondary Stones: Diamonds and Sapphires Diamond Weight: Ap...
Diamond, Sapphire, Platinum
3.52 Carat Antique Cushion Unheated Burma Ruby and Diamond 3-Stone Platinum Ring
Located in Boston, MA
This red cushion cut cut ruby is custom set in an antique one-of-kind diamond and platinum ring, consisting of 1 "pigeon blood red" cushion cut ruby of Burmese origin with no indicat...
Diamond, Ruby, Platinum
1800s Miniature Pearl Diamond Gold Portrait Pin Cushion
Located in Bay Harbor Islands, FL
This miniature portrait of a young lady centers this unique gold pin 'cushion' with 14 removable pins, each topped with a pearl.
Diamond, Cultured Pearl, 14k Gold, Yellow Gold
AGL Certified 4.2 Carat Cushion Cut Colombian Emerald & Diamond Ring 18K Y Gold
Located in New York, NY
AGL Certified 4.2 Ct Cushion Cut Colombian Emerald & Diamond Ring 18K Yellow Gold A Classic, ring 4.2 Carat Colombian Emerald Absolutely gorgeous emerald , Very desirable color ,...
Diamond, Emerald, Gold, 18k Gold
GIA Certified 6.11 Carat Cushion Cut Enagement
Located in New York, NY
This exquisite engagement ring features a stunning 6.11-carat cushion-cut center diamond, GIA certified, with an L color grade and SI2 clarity.
Diamond, 14k Gold
Old Mine Cushion Shape Diamond Stud Earrings, circa 1920
Located in London, GB
Old mine cushion shape diamond stud earrings. A matching pair, set with a cushion shape old mine diamond to each, one with a weight of 3.52 carats, M colour, VS2 clarity, the other 3...
Diamond, Platinum
Victorian Era Silver and Diamond Ring. 0.40ct Cushion Cut Ring 18K Yellow Gold
Located in New York, NY
Other Details: Primary Stone: Diamond Center Diamond Weight: 0.40 carats Center Diamond Cut: Antique Cushion Cut Center Diamond Color: J Color Center Diamond Clarity: SI1 Center Dia...
Diamond, Gold, Yellow Gold, Silver, 18k Gold
Antique Sapphire Engagement Ring. GIA 0.70ct Cambodian Cushion Sapphire Diamond
Located in New York, NY
Other Details: Primary Stone: Sapphire Center Sapphire Weight: 0.70 carats Center Sapphire Cut: Cushion Cut Secondary Stones: Sapphires and diamonds Sapphire Weight: Approximately ...
Sapphire, Diamond, Gold, 18k Gold, Yellow Gold
.81 Carat Diamond Cushion Cut Art Deco Platinum Engagement Ring
Located in Stamford, CT
circa 1910-1920 set with 10 single cut diamonds approx. Excellent cut and brilliance. Cushion brilliant cut.
Diamond, Platinum
Victorian Fancy Yellow Brown Diamond Necklace Pendant Old Mine Cushion Cut .15ct
Located in Dearborn, MI
Genuine Original Antique from 1880's Victorian Diamond Necklace Pendant Old Mine Cushion Cut .15ct 14K Yellow Gold Featuring a Genuine Natural Mined Fancy Yellow Brown Old Mine Cus...
Yellow Diamond, 14k Gold, Yellow Gold
$1,508Sale Price|20% Off
0.82 Carat Cushion Brilliant Gia Certified Fancy Light Brownish Greenish Yellow
Located in New York, NY
ITEM DESCRIPTION ID #: NYC55669 Stone Shape: CUSHION MODIFIED BRILLIANT Diamond Weight: 0.82ct Clarity: SI2 Color: Fancy light Brownish Greenish Yellow Cut: Excellent Measurements: 5...
Diamond
Victorian Single Diamond Stud Earring Mined .16ct Old Mine Cushion Original 1860
Located in Dearborn, MI
Genuine Original Antique from 1860's Victorian Single Diamond .16ct Old Mine Cushion Stud Earring 14K White Gold Features Genuine Natural Mined .16ct Old Mine Cushion Cut Diamond ...
Diamond, 14k Gold, White Gold
Art Deco Drop Earrings Platinum Diamond Emerald Cushion Cut Estate Jewelry
Located in Beverly Hills, CA
Impressive Art Deco drop earrings, made of platinum, featuring diamonds and cushion cut emeralds. Each emerald is surrounded by a halo of Old European and rose cut diamonds.
Diamond, Emerald, Platinum
Victorian Five-Stone Old Cushion Cut Ring, circa 1900s
Located in London, GB
This beautiful, handmade, Victorian ring, has five old cushion cut diamonds within a claw setting. The diamonds are similar in size, with the central three each weigh 0.20 carat and ...
Diamond, 18k Gold
Art Deco 9.07 Carat Cushion NO Heat Ceylon Sapphire GIA & Diamond Platinum Ring
Located in Montreal, QC
Finely detailed Breathtaking Exquisite Cushion NO HEAT Ceylon Sapphire GIA and Diamond Platinum Vintage Art Deco Estate Statement Ring.
Diamond, Sapphire, Platinum
$920Sale Price|20% Off
Antique Art Deco TT Gold 0.15ctw Diamond Cushion Ribbon Dinner Band Ring
Located in Montclair, NJ
Antique Art Deco Cushion Shaped Dinner Band Ring, Ribbon Design w/ Milgrain Etching Work.
Diamond, Gold, White Gold, Yellow Gold
Antique 3.42 Carat Old Cushion Cut Diamond Engagement Ring, circa 1910
Located in London, GB
Beautiful antique engagement ring set with a cushion shaped old cut diamond weighing 3.42 carats mounted in an open back, intricate crown eight claw platinum collet and 18 carat gold...
Diamond, Gold, 18k Gold, Yellow Gold, Platinum
1.12 Carat Cushion Natural Pink Sapphire Diamond Halo Platinum Engagement Ring
Located in Stamford, CT
Art Deco original Halo style hot pink Sapphire engagement ring. GIA certified no heat, no enhancement 1.12 hot pink sapphire center stone. Set in its original 1940's platinum setting...
Diamond, Sapphire, Pink Sapphire, Platinum
2.32 Carat Cushion Shaped Antique Rose Cut Diamond in Platinum and Yellow Gold
Located in Nashville, TN
This fabulous ring, a genuine Edwardian (Greek Revival) piece, has an approximate 2.32 ct cushion shaped rose cut diamond bezel set into its top.
Diamond, 18k Gold, Yellow Gold, Platinum
$7,998Sale Price|20% Off
Antique Victorian Gold 3.5ctw GIA Old Mine Cut Diamond Cushion Ruby Navette Ring
Located in Montclair, NJ
.) ** See Certification Details Below for Complete Info ** (22) Natural Genuine Diamonds - Chunky Old Mine Cut - Pave Set - Nice Brilliant White Diamonds - 2.0ctw (approx.)
Diamond, Ruby, Gold, Yellow Gold
Art Nouveau Two Stone Ring. 0.30TCW Old Euro Cushion Cut Diamond Ring Platinum
Located in New York, NY
One is an old European-cut diamond in H color and SI2 clarity, secured in yellow gold prongs, while the other is an antique cushion-cut diamond in I color and SI1 clarity, set in pla...
Diamond, Gold, Yellow Gold, Platinum, 18k Gold
18K Yellow and White Gold Small Scale Cushion Shaped Earrings with Diamonds
Located in Palm Beach, FL
A tailored pair of cushion shaped, 18K gold and diamond earrings for the lady that wants smaller scale earrings, but with a strong look.
Diamond, Gold, 18k Gold, White Gold, Yellow Gold
Antique 18ct Yellow Gold, Art Nouveau Three Stone, Cushion Cut Diamond Ring
Located in Brighton, GB
Antique Art Nouveau Ring 18ct Yellow Gold Circa 1900 Experience the elegance of a bygone era with this stunning Art Nouveau statement ring. It features an exquisite open-work des...
Diamond, 18k Gold, Yellow Gold
Antique 4.97 Carats Total Old Mine Cushion Cut Diamond Dangle Earrings in Silver
Located in New York, NY
An elegant pair of antique dangle earrings, featuring two old mine cushion cut diamonds weighing 2.34 carats and 2.63 carats with approximately I-J color and VS-SI clarity, respectiv...
Diamond, 14k Gold, Silver
Platinum 1.02ct Unheated Ruby & 1.20cttw Old Cushion Cut Diamond Engagement Ring
Located in Hicksville, NY
Circa 1920 - Platinum Art Deco 1.02ct Unheated Ruby & 1.20cttw Old Cushion Cut Diamond Engagement Ring - VEG#558 Ring Details: Size: 5.25 Metal Type: Platinum Weight: 3.3 g Gem S...
Platinum 1.02ct Unheated Ruby & 1.20cttw Old Cushion Cut Diamond Engagement Ring
Located in Hicksville, NY
Size: 5.25 Metal Type: Platinum Weight: 3.3 g Gem Stone Details: Type: Ruby - Natural, Unheated Shape: Antique Cushion Color: Red Size: 1.14ct Diamond Details: Shape: Antique Cu...
Platinum
Edwardian Crossover GIA 1.10ct Ruby & Old Mine DIAMOND Three Stone 14K Gold Ring
Located in New York, NY
Edwardian Antique Crossover GIA 1.10ct Ruby & Old Mine Cushion DIAMOND Three Stone 14K Gold Ring A distinctively stunning 1900s delight measuring 3/4 inch long and exotically lovely...
Diamond, Ruby, 14k Gold
Antique Platinum & Diamond Brooch 1.24ct
Located in Laguna Beach, CA
The brooch weighs 9 grams. The center diamond is an antique cushion cut, H color, i2 clarity, 1.24 carats.
Diamond, Platinum
Antique Sapphire Diamond Horseshoe Pin
Located in Geneva, CH
Cushion Sapphire Natural non heated probably Kashmir.
Diamond, Sapphire, Gold, Silver
Aquamarine and diamond pendant, circa 1905.
Located in London, GB
Aquamarine and diamond pendant. Set with with one cushion shape scissor cut natural aquamarine in open back claw settings with an approximate weight of 30.00 carats, suspended from o...
Aquamarine, Diamond, Platinum, Silver
Antique Diamond Drop Earrings Platinum & 14K Gold
Located in Great Neck Plaza, NY
Elegant diamond earrings from the 1900s, crafted in platinum and 14k gold, showcase a refined design; each earring features a series of round diamonds that lead to an antique cushion...
Diamond, 14k Gold, Platinum
C1900 18K white gold Diamond Cluster ring with center yellow diamond
Located in Baltimore, MD
This is a rare, 18K white gold, C1900, Diamond Cluster ring with a claw set center fancy yellow diamond weighing 25 points. According to the Gemmological Institue of America , only...
Diamond, Yellow Diamond, 18k Gold
Edwardian Sapphire and Diamond Three-Stone Ring
Located in London, GB
Here we have a fabulous Edwardian three-stone ring. At the centre of the face we find a captivating blue sapphire possessing a velvety navy blue colour tone. This bold principal ston...
Diamond, Sapphire, Platinum
Victorian Diamond Riviere Necklace, circa 1850
Located in London, GB
Victorian diamond riviere necklace. Set with a graduated row of fourtey nine cushion shape old mine diamonds in open back rubover silver cut down settings with a combined approximate...
Diamond
Marquise Diamond Ring, Late 19th Century
Located in London, GB
Late 19th century Marquise shape diamond ring ,set with old mine cushion cut diamonds, approximately 2ct in total and yellow gold.
Diamond, Gold
Georgian Old Mine Diamond Brooch
Located in New York, NY
Georgian Old Mine Diamond Brooch Circa 1830 4.25 ct. of Diamonds, including an Old Mine Cushion cut Diamond in the center weighing approximately half a carat Set in gold and Silv...
Diamond
Antique Sapphire and Diamond Ring. Edwardian Navette Halo Diamond Ring Platinum
Located in New York, NY
Other Details: Primary Stone: Sapphire Center Sapphire Cut: Round Cut Center Sapphire Setting: Pavé Set Secondary Stones: Sapphire, Diamond Sapphire Weight: Approximately 1.00 carat...
Sapphire, Diamond, Platinum
Antique French Diamond Signet Ring
Located in London, GB
This antique piece has been crafted from a rich 18ct rose gold and showcases a square shaped head with an undulating face which plays host to a single chunky old cushion cut diamond ...
Diamond, 18k Gold, Rose Gold
Vintage Diamond and 10k Gold Brooch / Pin
Located in New York, NY
Diamond Clarity Grade: VS-SI White Diamond Color Grade: G-H Top Quality Diamond Shape: Cushion & Round Old Cut Internal ID: PI18424
Diamond, 10k Gold
1.03 Carat Diamond Platinum Engagement Ring
Located in Hicksville, NY
Item Details: Ring Size: 7.25 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3.0 grams Center Diamond Details: GIA REPORT #: 6213188147 Weight: 1.03 carat Cut: Old Mine Bril...
White Diamond, Platinum
Victorian Gold & Silver Antique Diamond Floral Pendant Brooch
Located in Flushing, NY
Materials: Gold Silver Antique-Cut Diamonds Rose-Cut Diamonds Diamonds: Three principal antique-cut diamonds Numerous surrounding rose-cut diamonds Approximately 2.50 carats (+/−) t...
Diamond, Gold, Silver
Antique 1.50 Carat Sapphire, 0.60 Carat Diamond and Platinum Brooch Circa 1910
Located in Jesmond, Newcastle Upon Tyne
The pierced decorated bar design is ornamented to the centre with a millegrain decorated collet set cushion cut sapphire, flanked with four individually collet set eight-cut diamonds...
Diamond, Sapphire, Platinum
Antique 1.22 Carat Diamond Three-Stone Ring
Located in London, GB
This antique piece has been crafted from a warm 18ct yellow gold and features a single antique cushion-cut diamond at the centre of the face. This principle stone is then flanked by ...
Diamond, 18k Gold, Yellow Gold
Edwardian Sapphire & Diamond Platinum Necklace
Located in Seattle, WA
Era: Edwardian Metal Type: Platinum, 14K White Gold Setting Type: Prong, Bezel Main Gem(s): Natural Sapphire Main Gem Carat Weight: ~2.15ct Main Gem Cut/Shape: Cushion Main Gem Color...
Diamond, Sapphire, 14k Gold, Platinum
French 19th Century Diamond Navette Ring
Located in New York, NY
A wonderful French Navette ring with three cushion cut diamonds (approximately .75 cts) with an entourage of rose cut diamonds (approximately .70 cts ) set in 18 k white and yellow ...
Diamond, 18k Gold
Art Nouveau Peridot Diamond Brooch
Located in New Orleans, LA
This stunning Art Nouveau brooch features three vibrant green peridots, totalling approximately 5.00 carats. The vivid trio is elegantly complemented by two white diamonds, and the 1...
Diamond, Peridot, 14k Gold
.94 Carat Edwardian Diamond Platinum Engagement Ring
Located in Hicksville, NY
Item Details: Ring Size: 6.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3 grams Center Diamond Details: Weight: .94 Carat Cut: Antique Cushion Color: M-N Clarity: SI1 F...
White Diamond, Platinum
GIA Certified 1.13 Carat Diamond Platinum Engagement Ring
Located in Hicksville, NY
Ring Size: 6.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 3 grams Center Diamond Details: GIA REPORT #:1216110141 Weight: 1.13 carat Cut: Antique Elongated Cushion - Ol...
White Diamond, Platinum
1920s 1.07 Carat Sapphire and 1.54 Carat Diamond Platinum Cluster Ring
Located in Jesmond, Newcastle Upon Tyne
This fine and impressive antique sapphire and diamond ring has been crafted in platinum. The scalloped edged, cluster design displays a feature claw set cushion cut blue sapphire to...
Diamond, Sapphire, Platinum
.85 Carat Victorian Diamond Platinum Engagement Ring
Located in Hicksville, NY
Ring Size: 8.5 Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.0 grams Center Diamond Details: Weight: .85 carat Cut: Antique Cushion Color: J Clarity: SI2 Side Stone Detai...
Diamond, Platinum
Art Deco Antique Diamond Emerald Engagement Ring
Located in Chicago, IL
The ring is centered with a sparkling old cushion cut diamond (7.10 x 6.5 x 4.15 mm, approximately 1.55 ct, K-L color, VS1 clarity) framed by channel-set calibre cut emeralds, and a ...
Diamond, Platinum
Impressive Platinum and Diamond Toi et Moi Ring
Located in Brisbane City, QLD
The pierced galleries hold one antique cushion cut diamond of H colour and VS1 clarity weighing 2.55 carat, and is paired with a second antique cushion cut diamond of H colour and SI...
Diamond, Platinum
Antique garnet and diamond half-hoop ring
Located in New York, NY
A Victorian five-stone garnet ring comprised of tapering, cushion-cut garnets with diamond accents, and set in a gold mount with engraved borders, in 18k.
Diamond, Garnet, 18k Gold, Yellow Gold
4.52 Carat Garnet and Diamond and Yellow Gold Pendant Antique
Located in Jesmond, Newcastle Upon Tyne
The symmetrical, pierced millegrain decorated design is ornamented with seven impressive individually bezel set garnets, in a combination of round and cushion cut. The upper portion...
Diamond, Garnet, Gold, Yellow Gold
Sapphire and diamond cluster earrings, circa 1920.
Located in London, GB
Sapphire and diamond cluster earrings. A matching pair of earrings, each set with an oval old cut natural unenhanced sapphire in an open back claw setting, two in total with an appro...
Diamond, Sapphire, Platinum
4.52 Carat Basaltic Sapphire 3.87 Carat Diamond 18k White Gold Brooch Circa 1910
Located in Jesmond, Newcastle Upon Tyne
The pierced decorated oval shaped setting is embellished with a feature stunning 2.50ct cushion mixed cut Basaltic sapphire encircled with twelve claw set Old European diamonds, crea...
Diamond, Sapphire, White Gold
Oak Diamond Brooch Mid-Victorian Gold Silver Old Mined Cut Diamonds Gift wedding
Located in Berlin, DE
A mid-Victorian diamond oak leaf brooch, circa 1860s. Set in yellow gold and silver, length 45 mm Designed as a cluster of two oak leaves, of graduated size and pave set with old cu...
Diamond, Gold, Yellow Gold, Silver
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 rings, vintage engagement rings or Art Deco engagement rings.
Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.