Vintage 1950s Van Cleef & Arpels 7.72 Carat Heart-Shaped Diamond Engagement Ring
Located in New York, NY
Finely crafted in platinum with a GIA certified antique Heart-Shaped Diamond weighing 7.72 carats, D color, IF clarity, GIA #10107436. The ring features 2 Baguette cut side Diamonds ...
Diamond, Platinum
7.86ct Emerald-Cut Emerald Ring with Diamonds in 18k Gold
Located in New York, NY
An exquisite engagement ring. This stunning piece features a captivating 7.86ct emerald-cut emerald, showcasing a rich green hue. The emerald is securely set in an 18k gold prong se...
Diamond, Emerald, 18k Gold, White Gold
GIA Certified 7.97 CTW Radiant Cut Diamond Three-Stone Platinum Engagement Ring
Located in Aventura, FL
An impressive GIA-certified natural diamond three-stone engagement ring, crafted in platinum and centered by a substantial 6.03 carat Cut-Cornered Rectangular Modified Brilliant (Rad...
Diamond, Platinum
Fancy Intense Yellow Radiant Diamond And White Diamond Engagement Ring, GIA
Located in New York, NY
Absolutely Gorgeous Fancy intense yellow radiant diamond ( looks like vivid yellow in person ) and white diamond ring beautifully hand crafted in platinum. The details are as foll...
White Diamond, Yellow Diamond, Platinum
Peter Suchy GIA 6.05 Carat Natural Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Sapphire and diamond engagement ring. GIA certified 6.05ct natural no heat center octagonal Sapphire set in a platinum setting accented with two emerald cut diamonds and two baguette...
Blue Sapphire, Diamond, Sapphire, Platinum
7.60 Carat Natural Colombian Emerald and Diamond Ring
Located in Brunswick, ME
7.60 Carat Natural Colombian Emerald & Diamond Ring The Mounting is Custom Made of Solid 14K Yellow Gold Center with a Fine Natural...
Diamond, Emerald, 14k Gold, Yellow Gold
Vintage Victorian Style Approximate 7.50 Carat Rose Cut Diamond Ring
Located in BEVERLY HILLS, CA
Vintage Victorian style rose cut diamond high jewelry ring. Center round rose cut diamond, approximately 7.50ct. Approximately I/J color and SI clar...
Diamond, Silver
7.76 Carat Square Octagon Peach Tourmaline 18K Rose Gold Ring
By Merkaba
Located in Beverly Hills, CA
A romantic 7.76 carat square octagon peach tourmaline ring, handcrafted in 18K rose gold by Merkaba Jewelry Beverly Hills. Warm, feminine, and beautifully refined, this ring centers ...
Tourmaline, 18k Gold, Rose Gold, Gold
Peter Suchy 5.86 Carat Oval Violet Sapphire Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
GIA certified, Natural violet blue Sapphire and diamond three-stone engagement ring. The stones are from and 1930's estate, set in a platinum handmade setting from the Peter Suchy Wo...
Diamond, Sapphire, Blue Sapphire, Platinum
GIA Certified 7.64 Carats Cushion Cut Yellow Diamond Halo Engagement Ring
Located in New York, NY
An antique style engagement ring, showcasing a 7.64 carats cushion cut diamond certified by GIA as Natural Light Yellow color, set on four double claw prongs made of 18K yellow gold....
Diamond, Yellow Diamond, Yellow Gold, Platinum, 18k Gold
Emerald Cut Citrine and Diamond 7.71 Carats Ring, Platinum / 18KYG
Located in Beverly Hills, CA
Citrine Emerald Cut and Diamond Ring Citrine weighs 6.56 carats Measurement: 13.30 x 9.83mm Total Carat Weight of Diamond 1.15 carats DEF Color VVS/VS Clarity TOTAL CARAT WEIGHT...
Citrine, Diamond, 18k Gold, Yellow Gold, Platinum
7.55 Carat Fine Spinel, Colombian Emerald and Diamond Cocktail Ring 18 Karart
Located in Brunswick, ME
Stunning One-of-a-Kind- Fine Spinel, AAA Colombian Emerald and Diamond Cocktail Engagement Ring 18 Karat Rich Yellow Gold Natural Burma Spinel C...
Spinel, Emerald, Diamond, Yellow Gold, 18k Gold
Rare GIA Certified 7.91 No Heat Afghanistan Ruby 18K Pave Diamond Ring
Located in Los Angeles, CA
DeKara Designs Collection Metal- 18K Yellow Gold, .750. Stones- 1 Cushion Cabochon No Heat Afghanistan Ruby 7.91 ,64 Round Diamonds F-G Color VS1-V...
Diamond, Ruby, 18k Gold, Yellow Gold
David Webb 6 Carat 18K Yellow Gold Emerald-Cut Diamond and Pavé Diamond Ring
By David Webb
Located in Chicago, IL
This exceptional vintage David Webb ring is crafted in 18K yellow gold and showcases the bold elegance and technical ingenuity for which the House is celebrated. At its center is a ...
Diamond, White Diamond, Emerald, 18k Gold, Yellow Gold
Sunita Nahata Rubellite 7.60ct. Fancy Ring in 18KYG with Tourmaline & Diamond
Located in Hong Kong, HK
This collection of rings features the most radiant rubelite tourmalines. These gemstones show a magnificant and regal deep red colour, and the yellow gold and diamond accents makes these pieces a true show stopper. Classic rubelite tourmaline ring in 18K yellow gold...
Diamond, White Diamond, Rubelite, Tourmaline, Gold, 18k Gold, Yellow Gold
J. Birnbach GIA H VVS2 7.33 ct Round Diamond Ring with Petite Tapered Baguettes
By J. Birnbach
Located in New York, NY
A stunning take on a classic design, this 7.33 carat round diamond with petite tapered baguettes by J. Birnbach is a modern version of a timeless style. The delicate tapered baguette...
Diamond, White Diamond, Platinum
Fancy Intense Yellow Radiant Diamond And White Diamond Engagement Ring, GIA
Located in New York, NY
Absolutely Gorgeous Fancy intense yellow radiant diamond ( looks like vivid yellow in person ) and white diamond ring beautifully hand crafted in platinum. The details are as foll...
White Diamond, Yellow Diamond, Platinum
GIA Certified 7.40 Carat Oval Spinel Diamond Platinum Engagement Ring
Located in Stamford, CT
Mid-Century beautiful spinel and diamond engagement ring. GIA Certified oval dark blue spinel in its original handmade 1950's platinum setting, accented with 3 tapered baguette diamo...
Diamond, Spinel, Platinum
GRS Certified NO HEAT Oval Blue Sapphire Engagement Ring
Located in Chicago, IL
Great size 7.54carat center diamond - oval blue sapphire ring with stunning brilliance -trillion side diamonds set in solid platinum
Diamond, Blue Sapphire, Platinum
Roman Malakov 7.66 Carats Cushion Cut Blue Sapphire & Diamond Engagement Ring
Located in New York, NY
An exquisite engagement ring, showcasing a vivid 7.66 carats Sri Lankan blue sapphire certified by GRS as Royal Blue color, set on a classic four prong setting. Accented by graduatin...
Diamond, Sapphire, Blue Sapphire, White Gold, 18k Gold
Sunita Nahata 7.80 Carat Tanzanite and White Diamond Ring in 18Karat White Gold
Located in Hong Kong, HK
This collection features a selection of the most tantalizing Tanzanites. This enchanting East African gemstone can only be procured from one mine in the foothills of Mount Kilimanjar...
Diamond, White Diamond, Tanzanite, Gold, 18k Gold, White Gold
Emilio Jewelry 7.69 Carat AGL Certified Radiant Sapphire Diamond Ring
By Emilio!
Located in New York, NY
Showcasing a gorgeous Radiant cut 7.20ct Sapphire Certified by AGL. Color: The Sapphire color is a very true rich blue color with excellent saturation and sparkle. Origin: Madagascar...
Diamond, Sapphire, Platinum
GIA Certified 6.55 Elongated Cushion No Heat Yellow Sapphire Halo Diamond Ring
Located in San Francisco, CA
This 18K White and Yellow gold ring feature a GIA Certified 6.55-Carat Elongated Antique Cushion Natural Un-Heated Yellow Sapphire from Sri L...
Diamond, Yellow Sapphire, 18k Gold, White Gold, Yellow Gold
GIA Certified 7.63 Carat Intense Emerad Diamond Cocktail Ring
Located in Chicago, IL
An exquisite intense green, certified by GIA. With a total carat weight of 7.63 carats, the emerald is beautifully cut in a pear shape, showcasing its captivating vivid green color. ...
Diamond, Emerald, Platinum
GIA Certified 7.74 Carat Green Emerald Asscher Shape Halo Diamond Ring
Located in San Francisco, CA
This 18k white and yellow gold ring features a 7.74 Carat Asscher cut Natural Green emerald from Zambia. It is encircled by a halo of brilliant round diamonds on a band that is taper...
Diamond, Emerald, 18k Gold, White Gold, Yellow Gold
GRS Certified 7.54 Ct. Ceylon Untreated Sapphire Diamond Ring
Located in Chicago, IL
This exquisite ring by Cecile Blake is crafted in platinum and features a stunning 7.54 carat oval blue sapphire as its centerpiece. The sapphire is Grs certified, showcasing except...
Diamond, Sapphire, Platinum
Shreve, Crump & Low GIA Certified 7.95 Carat Fancy Yellow Radiant Diamond Ring
Located in Boston, MA
This fancy yellow elongated radiant cut diamond is offered by Shreve, Crump & Low. This fancy yellow radiant cut diamond is custom set in a handcrafted Shreve, Crump & Low platinum ...
Diamond, Yellow Diamond, 18k Gold, Platinum
GIA Certified 7.89 Carat Oval Green Emerald Triangle Diamond Platinum & 18k Ring
Located in San Francisco, CA
This classic Platinum and 18k Yellow Gold ring features a 7.89 Carat Oval-shaped Vibrant Bright green Natural Emerald flanked by two(2) Triangle-shaped diamonds in a total weight of ...
Diamond, Emerald, 18k Gold, Yellow Gold, Platinum
14K White & Yellow Gold GIA Certified 7.51 Carat Green Emerald Halo Diamond Ring
Located in San Francisco, CA
This 18k white and yellow gold ring features a 7.51 Carat Emerald cut Natural Green emerald from Zambia. It is encircled by a halo of brilliant round diamonds on a 3.3 mm wide band. ...
Diamond, Emerald, 18k Gold, White Gold, Yellow Gold
Platinum 18K Yellow Gold GIA Certified 7.56 Carat Marquise Blue Sapphire Ring
Located in Los Angeles, CA
DeKara Designs Collection Our latest design! A Unique Elegantly Handmade Beautiful Two Tone Platinum and 18K Yellow Gold Diamond Marquise Blue Sapphire Engagement Ring. Metal- 90% ...
Blue Sapphire, Yellow Gold, Platinum
Sunita Nahata Aquamarine 7.97ct. Fancy Ring in 18K White Gold with Diamond.
Located in Hong Kong, HK
This collection features an array of aquamarines with an icy blue hue that is as cool as it gets! Accented with diamonds these rings are made in white gold and present a classic yet ...
Aquamarine, Diamond, White Diamond, Gold, 18k Gold, White Gold
GIA Certified 6.48 Carat Oval Sapphire Diamond Halo Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Sapphire and diamond halo engagement ring. GIA certified oval shaped deep blue center sapphire with large surface area, set in a platinum setting with a halo of round bezel set diamonds, accented with two rows of round cut diamonds along both sides of the shank. The 6.48ct sapphire is GIA certified as natural corundum, simple heat only. No other enhancements. CMT Type I. This ring was designed and crafted in the Peter Suchy Workshop to show the beautiful deep color of sapphire and the diamond brilliance. 1 Gem cornflower blue oval Sapphire...
Diamond, Sapphire, Platinum
Sunita Nahata 7.60 Carat Tanzanite and White Diamond Ring in 18Karat White Gold
Located in Hong Kong, HK
This collection features a selection of the most tantalizing Tanzanite. This enchanting East African gemstone can only be procured from one mine in the foothills of Mount Kilimanjaro...
Diamond, White Diamond, Tanzanite, Gold, 18k Gold, White Gold
Peter Suchy 7.61 Carat Sapphire Diamond Platinum Three-Stone Engagement Ring
By Peter Suchy
Located in Stamford, CT
Vibrant blue sapphire and diamond engagement ring. Natural no heat round old European cut center Sapphire GIA certified in a platinum three-stone setting with two pear shaped side di...
Diamond, Blue Sapphire, Sapphire, Platinum
Sunita Nahata Tanzanite 7.70ct. Fancy Ring in 18K White Gold with Diamond.
Located in Hong Kong, HK
This collection features a selection of the most tantalizing Tanzanites. This enchanting East African gemstone can only be procured from one mine in the foothills of Mount Kilimanjar...
Diamond, White Diamond, Tanzanite, Gold, 18k Gold, White Gold
Blue Sapp Platinum Engagement Ring with Excellent Make Diamond Surround
Located in Hong Kong, HK
Striking Blue Sapp Engagement Platinum Ring with an excellent make diamond surround. Exemplary and extraordinary are two words that can describe this unique and gorgeous ring consisting of a cts 7.85 cts Sapphire that is full bodied in color and very clean. It comes with a GRS certificate confirming its authenticity. It has a surround of 10 excellent make, Russian cut diamonds...
Diamond, Blue Sapphire, Platinum
GIA Certified 7.77 Carat Round Green Emerald Platinum & Yellow Gold Diamond Ring
Located in San Francisco, CA
This Platinum & 18K Yellow gold ring features a RARE 7.77 Carat Round cut Natural Green emerald from Zambia. Excellent, bright, vibrant green color. The emerald is encircled by a hal...
Diamond, Emerald, 18k Gold, Yellow Gold, Platinum
Palasis GIA Certified 5.23 Carat Sapphire Diamond White Gold Ring Pendant
Located in Stamford, CT
1960’s patented combination ring that converts to a pendant. Made by Palais. Patented as a "Ringdant". 5.23ct deep blue well cut unique shield cut GIA ce...
Diamond, Sapphire, Blue Sapphire, Platinum
GIA 1.80ct Radiant Three-Stone with Diamond Shank 18K White Gold Diamond Ring
By EMD Diamonds
Located in New York, NY
Handcrafted in New York, a stunning diamond ring that exemplifies timeless beauty and sophistication, featuring a captivating radiant center stone weighing 1.80 with a striking I and...
Diamond, White Gold
Looking for a 7.5-carat diamond engagement ring?
Shopping for the right antique, new or vintage engagement ring can prove daunting. When it comes to carat weight and finding the perfect 7.5-carat diamond ring, you'll want to become familiar with the 4Cs, which is the official grading system that was established by the Gemological Institute of America (GIA).
According to the GIA, “Diamonds are weighed to a thousandth (0.001) of a carat and then rounded to the nearest hundredth, or point. Over a carat, diamond weights are usually expressed in carats and decimals.” Out of all the 4Cs, the weight of the diamond is the most scientific and less a matter of opinion. But the weight is also not the most important signifier of a stone’s value. A three-carat gem can be less valuable than a one-carat stone, for example, if all of the other attributes are of lesser quality in the larger diamond.
Whether you’re looking for that perfect Art Deco engagement ring, a vintage sapphire engagement ring or a fashionable contemporary accessory, it’s important to choose a style that speaks to you.
Rings have long been signifiers of marriage and committed relationships. The modern diamond engagement ring can be traced back to 1477, when Archduke Maximilian of Austria commissioned an expensive diamond ring for his betrothed. Diamond rings subsequently became extremely popular among the European aristocracy. Later, during the Victorian era, the popularity of diamond engagement rings had filtered down to the middle class, owing to the increasing accessibility — and affordability — of gold and diamonds.
Authentic antique Victorian-era engagement rings were frequently set in rose or yellow gold and they are highly collectible. Designs for Victorian engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal. Diamonds were likely to be small rose- or old-mine-cut (the ancestor of today’s cushion-cut) stones. The former are often associated with antique styles like Victorian or Georgian, as rose-cut diamonds are uncommon in modern jewelry. The diamonds were typically set in a group of five in a band or as a solitaire.
Victorian-era engagement rings also saw other gemstones accompanying diamonds. Small seed pearls and moonstones were popular. Other sentimental and romantic motifs such as hearts and stars took hold as well. When Prince Albert became engaged to Queen Victoria, he gave her a serpent ring with emerald eyes, her birthstone. This initiated a widespread craze for snake jewelry.
In 1886, esteemed American luxury firm Tiffany & Co. introduced its solitaire diamond design, which is still among the most popular styles of engagement rings. The Tiffany Setting raises the stone above the band on six prongs, allowing its facets to catch the light and reflect through the stone.
French jewelry house Cartier, which pioneered the use of platinum in fine jewelry and helped define Art Deco, sought to render the diamonds in their engagement rings and other rings as brilliantly as possible. The brand’s timeless Solitaire 1895 engagement ring gave the impression of delicate lace.
Edwardian engagement rings and, afterward, Art Deco engagement rings that followed in the wake of Queen Victoria’s death in 1901 would be characterized by complex geometric designs and platinum settings. Owing to the Art Nouveau movement, nature was a major theme for Edwardian jewelry, while the diamond ring designs of the Art Deco period were inspired by Cubism as well as ancient Egypt. Art Deco engagement rings are bold and colorful and feature gems cut in nontraditional ways.
Engagement rings designed during World War II were made from two-toned metals and smaller stones. Large stones were scarce, and platinum was reserved for the military. Postwar engagement rings were intended to be simpler and focused on the beauty of the diamond.
In 1947, De Beers Consolidated Mines, with the support of Philadelphia ad agency N.W. Ayer & Son, introduced the slogan “A diamond is forever” in a marketing campaign that emphasized a connection between diamonds and romance. Diamond sales skyrocketed, and diamond engagement rings became intertwined with the post–World War II marriage boom, which coincided with the ascension of specific diamond cuts.
The round brilliant cut, which consists of an astounding 58 facets, continues to be the most popular cut to this day. Jewelers such as Harry Winston had already gained a reputation for his talents by the time the De Beers campaign debuted, and he is said to have favored emerald-cut diamonds.
For everything from understanding the 4Cs to choosing between antique, vintage, contemporary and custom styles, get expert tips to help you find just the right ring. Additionally, explore our buying guides for a close look at antique engagement rings, Art Deco engagement rings and vintage engagement rings.
On 1stDibs, shop 7.5-carat diamond and sapphire engagement rings and other antique and vintage rings from top jewelers around the world.
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Accounting for just 1 percent of all diamonds, these marvels of nature are exceedingly rare and gorgeously complex.
Learn about these antique jewelry styles, then choose a design that speaks to you.
Alon Ruschin, of Vivid Diamonds & Jewelry, channels his passion for gems into helping clients find just the right ring.
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Ready to rock? Some of our favorite jewelry designers and dealers share indispensable advice for choosing that most important ring.