Skip to main content

OGI Ltd Engagement Rings

5
to
5
5
5
5.5
5.75
6.25
1
4
224
680
515
493
493
3
2
3
2
2
1
1
5
4
2
1
2
2
1
5
Creator: OGI Ltd
GIA Certified No Heat Cabochon Sapphire 1.84 Carat Diamonds 0.30 Carat Ring
By OGI Ltd
Located in New York, NY
Indulge in timeless elegance with our Platinum Solitaire Engagement Ring featuring a captivating Oval Cabochon Sapphire as the center stone, certified by GIA with report number 62341...
Category

21st Century and Contemporary American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Sapphire, Platinum

GIA Certified No Heat Cabochon Sapphire 1.65 Carat Halo Diamond 0.40 Carat Ring
By OGI Ltd
Located in New York, NY
Elevate your engagement with this exquisite round cabochon sapphire and diamond ring, crafted in luxurious 18 karat white gold. The centerpiece features, a stunning 1.65-carat round ...
Category

Late 20th Century American Contemporary OGI Ltd Engagement Rings

Materials

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

GIA No Heat Platinum Ceylon Cabochon Sapphire 2.05 Carat Diamond 0.25 Carat Ring
By OGI Ltd
Located in New York, NY
Elevate your proposal with this exquisite Platinum Ceylon Cabochon Sapphire Engagement Ring, featuring a captivating 2.05 carat oval-shaped sapphire center stone. This stunning sapph...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified No Heat Sapphire 6.46 Carat Diamond 0.75 Carat White Gold Ring 5.5
By OGI Ltd
Located in New York, NY
GIA Certified No Heat Sapphire 6.46 Carat Diamond 0.75 Carat 14 Karat White Gold Ring 5.5 This exquisite engagement ring features a stunning oval-shaped Ceylon sapphire, certified by...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Gold, 14k Gold, White Gold

Platinum Diamond 0.72 Carat Cabochon Ruby 1.70 Carat Engagement Ring Size 6.25
By OGI Ltd
Located in New York, NY
Introducing our exquisite Platinum Diamond and Cabochon Ruby Engagement Ring, a true testament to timeless elegance and undeniable beauty...
Category

2010s North American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Ruby, Platinum

Related Items
GIA Certified 1.65 Carat Round Ruby and Diamond Three-Stone Halo Engagement Ring
By Roman Malakov
Located in New York, NY
A stylish engagement ring showcasing a Burmese Origin GIA Certified 1.65 carat color-rich ruby, surrounded by two rows of round brilliant diamonds. Flanked on each side by a round br...
Category

21st Century and Contemporary American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Ruby, 18k Gold, White Gold

0.30 Carat White Diamond Ring IF clarity GIA Certified
Located in Kowloon, HK
**100% NATURAL FANCY COLOUR DIAMOND JEWELRY** ✪ Jewelry Details ✪ ♦ MAIN STONE DETAILS ➛ Stone Shape: Round ➛ Stone Color: D ➛ Stone Weight: 0.30 carat ➛ Clarity: IF ➛ GIA certifi...
Category

2010s Asian OGI Ltd Engagement Rings

Materials

Diamond, White Diamond, 18k Gold, White Gold

GIA 2.05 Carat Blue Violet Purple Sapphire Diamond Engagement Platinum Ring
Located in Stamford, CT
1930's late Art Deco sapphire and diamond engagement ring. GIA certified 2.05ct rich purple oval center sapphire with 6 transitional cut accent diamonds in platinum setting. Natural ...
Category

Early 20th Century OGI Ltd Engagement Rings

Materials

Purple Sapphire, Diamond, Sapphire, Platinum

Ceylon No-Heat Sapphire and Diamond "Halo" Ring
Located in New York, NY
The concentric rings of diamonds found in this ring create a glittering "halo" of light surrounding a sizeable, no-heat Ceylon sapphire. The elegance of the ring, and the brilliant blue hue of the exquisite sapphire, is a statement of pure natural color, presented on a minimalist platinum...
Category

20th Century OGI Ltd Engagement Rings

Materials

White Diamond, Blue Sapphire, Diamond, Sapphire, Platinum

Certified 4 Carat Padparadscha Sapphire Oval Diamond Ring No Heat
By Antinori Fine Jewels
Located in Rome, IT
Imagine an exquisite ring featuring a central 4 carat oval padparadscha sapphire, one of the rarest and most captivating gemstones in the world. This sapphire, known for its unique...
Category

2010s Unknown Contemporary OGI Ltd Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Padparadscha Sapphire , 18k Gold, Rose...

Peter Suchy 1.70 Carat GIA Cert Diamond Platinum Engagement Ring
By Peter Suchy
Located in Stamford, CT
Original emerald cut diamond from an estate 1.70ct I color VVS2 white face up, unusually bright and sparkly. Set into an Art Deco style simple Platinum ring...
Category

2010s OGI Ltd Engagement Rings

Materials

Diamond, Platinum

Antique Platinum GIA Ceylon NO HEAT Cabochon Blue Star Sapphire & Diamond Ring
Located in Montclair, NJ
This gorgeous antique cocktail ring is crafted in solid platinum and features a gorgeous, GIA certified, natural star sapphire stone that displays a very clear and well centered star...
Category

Mid-20th Century Art Deco OGI Ltd Engagement Rings

Materials

Diamond, Star Sapphire, Platinum

Mid-Century 2.78 CTW No Heat Ceylon Sapphire Diamond Platinum Vintage Ring GIA
Located in Philadelphia, PA
Centering an emerald cut sapphire weighing 2.26 carats - transparent light blue in color Natural Sri Lankan in origin with no indications of heat treatments - prong set Flanked by ba...
Category

1950s Vintage OGI Ltd Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

GIA Certified BURMESE NO HEAT Red Ruby 7 Carat No Heat Ruby Diamond Ring
By Antinori Fine Jewels
Located in Rome, IT
Amazing Natural 7 carat ruby diamond ring. The ring is an absolute marvel and has an exquisite halo of round brilliant cut diamonds. This ring is one of kind and considering the am...
Category

2010s Italian Modern OGI Ltd Engagement Rings

Materials

Diamond, White Diamond, Ruby, 18k Gold, White Gold

Art Deco GIA 2.41 Carat Ceylon No Heat Sapphire Diamond Platinum Ring
Located in Beverly Hills, CA
One Art Deco GIA 2.41 Carat Ceylon No Heat Sapphire Diamond Platinum Ring. Featuring one GIA oval mixed cut sapphire of 2.41 carats, accompanied by GIA #6234228410 stating the sapphi...
Category

1920s Art Deco Vintage OGI Ltd Engagement Rings

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum

18k White Gold No Heat GIA Certified Purple Sapphire Ring with Diamonds
By Avanti
Located in Carrollton, TX
This stunning purple sapphire is set in a handmade 19k white gold diamond setting. The sapphire is GIA certified and unheated. The beautiful color-tone against the bright, vibrant ...
Category

2010s American OGI Ltd Engagement Rings

Materials

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

Effy 14K Gold Ruby & Diamond Ring Size 6.25 #16170
By Effy
Located in Washington Depot, CT
Effy 14K Yellow Gold Ruby and Diamond Ring Size 6.2 Certified- This stunning ring features seven round natural rubies and 30 round brilliant cut diamonds set in classic 14K yellow g...
Category

21st Century and Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Ruby, 14k Gold, Yellow Gold

Previously Available Items
GIA Cabochon No Heat Ceylon Cabochon Sapphire Diamond 6.56 Carat Platinum Ring
By OGI Ltd
Located in New York, NY
Introducing our exquisite GIA-certified Cabochon No Heat Ceylon Sapphire and Diamond Platinum Ring – a true masterpiece of elegance and sophistication. This ring features a stunning ...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Sapphire, Blue Sapphire, Platinum

Sugarloaf Ceylon Sapphire and Baguette Diamond Platinum Engagement Ring
By OGI Ltd
Located in New York, NY
Platinum engagement ring sugarloaf Ceylon sapphire weighing 1.88 carats Two tapered baguette diamond weighing 0.36 carats, G color VS clarity Ring size 6.5 Ring can be resized Top of the ring measuring 0.27" Ring signed "PLAT" The Sugarloaf Ceylon Sapphire and Baguette Diamond Platinum Engagement Ring is a stunning and elegant piece of jewelry. It features a sugarloaf-cut Ceylon sapphire set in a platinum mounting and surrounded by baguette-cut diamonds. A sugarloaf-cut sapphire is a rare and unique cut that is named for its resemblance to the shape of the Sugarloaf Mountain in Brazil. It is a high-domed cut with a smooth surface, which can enhance the color and natural beauty of the gemstone. The Ceylon sapphire used in this ring is a high-quality stone with a beautiful deep blue color, which is highly sought after in sapphires from this region. The baguette-cut diamonds surrounding the sapphire add sparkle and brilliance to the design, as well as a modern and sophisticated touch. The platinum mounting is a durable and elegant choice that will protect the gemstones and ensure that the ring can be worn for a lifetime. The Sugarloaf Ceylon Sapphire and Baguette Diamond Platinum Engagement Ring is a beautiful and valuable piece of jewelry that would make a perfect engagement ring or special occasion gift. Its unique cut, high-quality gemstones, and elegant design make it a timeless and cherished piece for years to come. This antique sugarloaf...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Sapphire, Blue Sapphire, Diamond, Platinum

Colombia Emerald Baguette Diamond Platinum Engagement Ring
By OGI Ltd
Located in New York, NY
Colombia emerald shaped emerald and baguette diamonds platinum engagement ring One Colombia emerald weighing 1.10 carats center stone Two straight baguette diamonds weighing 0.30 car...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Emerald, Platinum

One Colombia Round Emerald and Diamond Engraved Platinum Cocktail Cluster Ring
By OGI Ltd
Located in New York, NY
Platinum emerald and diamond cocktail cluster ring One Colombia round emerald weighing 0.69 carat Surrounded by pave-set diamonds weighing 0.35 carats Ring size 7 In Stock The r...
Category

2010s American Art Deco OGI Ltd Engagement Rings

Materials

Diamond, Emerald, Platinum

Rose and White Gold Baguette Sapphire Solitaire Stacking Band
By OGI Ltd
Located in New York, NY
14 karat rose and white gold stacking ring, solitaire or engagement ring One Baguette sapphire measuring 5.5x3.5 and weighing 0.50 carats New Rings Rings size 5.25 in Stock The ring...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Sapphire, Gold, 14k Gold, Rose Gold, White Gold

Yellow and White Gold Baguette Diamond Solitaire Band Weighing 0.35 Carats
By OGI Ltd
Located in New York, NY
14 karat yellow and white gold stacking ring, solitaire or engagement ring One Baguette diamond measuring 5x3 and weighing 0.35 carats New Rings Rings size 4.75 in Stock The rings c...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Gold, 14k Gold, White Gold, Yellow Gold

Three-Diamond Yellow Gold Stacking Bands Sold as a Set
By OGI Ltd
Located in New York, NY
Three eighteen karats yellow and white gold diamond stacking rings sold as a set 1. 18 karats yellow and white gold with baguette diam...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

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

Oval Pink Sapphire and Diamond Rose Gold Cocktail Ring Weighing 1.75 Carat
By OGI Ltd
Located in New York, NY
Eighteen karats rose gold cocktail ring Ceylon oval shape pink sapphire weighing 1.10 carat Diamonds weighing 0.65 carat Ring size 6.25 In Stock The pink sapphire hue tone color is bubble gum pink...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Pink Sapphire, Gold, Rose Gold, 18k Gold

Rose Gold Oval Morganite Diamond Cluster Cocktail Ring
By OGI Ltd
Located in New York, NY
14 Karat rose gold cocktail ring Oval shape morganite weighing 2 carat Halo diamond ring Surrounded by pave set diamonds weighing 0.34 carat Ring size 7 In Stock New Ring Ring can...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Morganite, Diamond, 14k Gold

Cushion Ruby and Diamond Cluster Cocktail Ring Weighing 1.86 Carat
By OGI Ltd
Located in New York, NY
18 karat white gold ruby and diamond cocktail ring Diamond carat weight 0.64 Trillion diamond carat weight 0.20 R...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Ruby, 18k Gold

Platinum No Heat Magok Burma Ruby Diamond Platinum Cocktail Ring GIA Certificate
By OGI Ltd
Located in New York, NY
GIA certified Country of Origin Myanmar, one of a kind cocktail ring The no-heat ruby was mined in the is Magok mines Burma ruby weighing 1.95 carats Two emerald cut diamonds weigh...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Diamond, Ruby, Platinum

OGI Ceylon Pink Sapphire and Diamond Rose Gold Cocktail Cluster Ring
By OGI Ltd
Located in New York, NY
Eighteen karat rose gold cocktail ring Sri Lanka pink sapphire 1.08 carat Surrounded by pave set diamonds weighing 0.34 carat Ring size 6 In Stock New Ring One of a kind ring Ri...
Category

2010s American Contemporary OGI Ltd Engagement Rings

Materials

Pink Sapphire, Diamond, 18k Gold

Ogi Ltd engagement rings for sale on 1stDibs.

Find a range of OGI Ltd engagement rings available on 1stDibs. Each of these unique items was designed with extraordinary care, often using platinum. While looking for the most stylish antique or vintage OGI Ltd jewelry to pair with your ensemble, you’ll find that OGI Ltd diamond engagement rings, from our inventory of 1, can add a particularly distinctive touch to your look. We have 1 pieces in this collection as well as a number of other designs by this jeweler. While this collection reflects work that originated over various time periods, most of these items were designed during the 21st century and contemporary. If you’re looking for additional options, many customers also consider engagement rings by Syna Jewels, Hi June Parker, and J DAUPHIN. Prices for OGI Ltd engagement rings can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $1,033 and tops out at $1,033, while pieces like these, on average, can sell for $1,033.

Recently Viewed

View All