3 Carat Engagement Rings - Estate Diamond Jewelry https://www.estatediamondjewelry.com/product-category/3-carat-engagement-rings/ Vintage Engagement Rings and Antique Engagement Rings Thu, 29 Jan 2026 21:46:24 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 GIA 3.08ct Cushion Cut Diamond Andilla Ring https://www.estatediamondjewelry.com/product/andilla-ring/ Tue, 27 Jan 2026 16:02:38 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=94389 This ring centers a GIA certified 3.08 carat prong-set cushion cut diamond with a G color and SI2 clarity. Three baguette diamonds are set on each shoulder in a step design weighing a total of approximately 0.80 carats. This ring is crafted in platinum.

The center diamond measures 9.83mm x 9.24mm x 4.82mm.

The current size of this ring is 5.75 and can be resized at no extra cost.

A Word from the Jeweler: I’m especially drawn to how the cushion-cut center stone feels grounded by the step-like baguette diamonds on the shoulders. The platinum setting elevates that structure for me, and it’s exactly the kind of balance I rarely see done this well.

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]]> GIA 3.02ct Asscher Cut Diamond Toiano Ring https://www.estatediamondjewelry.com/product/toiano-ring/ Mon, 26 Jan 2026 21:48:56 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=94382 This ring features a GIA certified 3.02 carat antique asscher cut center stone with a beautiful F color and VS1 clarity. Two tapered baguette diamonds are set on each shoulder weighing a total of approximately 0.45 carats. This ring is crafted in platinum.

The center diamond measures approximately 8.37mm x 7.60mm x 5.36mm.

The current size of this ring is 6.5 and can be resized at no extra cost.

A Word from the Jeweler: I’m really taken by the asscher-cut center stone, especially because its geometry gives it a presence that feels intentional. The diamond accents add just enough contrast that make this ring something truly special.

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]]> Vintage GIA Certified 3.03ct Diamond Lampe Ring https://www.estatediamondjewelry.com/product/lampe-ring/ Mon, 06 Oct 2025 14:09:12 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=89629 This vintage ring centers a prong set GIA certified 3.03 carat emerald cut diamond with an H color and VS1 clarity. The shoulders of the ring are decorated with baguette diamonds weighing a total of approximately 0.40 carats. This ring was handcrafted in platinum.

The measurements of the center diamond are 8.94mm x 7.26mm x 5.12mm.

This ring is currently size 6.75 and can be resized at no extra cost.

A Word from the Jeweler: I’ve always appreciated how the emerald-cut diamond captures the timeless elegance found in vintage jewelry. The baguette accents along the shoulders bring a refined balance that perfectly complements the platinum setting.

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]]> Art Deco GIA 3.08ct Diamond Wanette Ring, Circa 1925 https://www.estatediamondjewelry.com/product/wanette-ring/ Tue, 02 Sep 2025 19:16:21 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=88155 This Art Deco ring centers a GIA certified 3.08 carat old European cut diamond with a J color and VS1 clarity. An intricate openwork filigree design surrounds the center diamond leading to an engraved shank. This ring was handcrafted in platinum, circa 1925.

The center stone measures approximately 8.99mm x 9.34mm x 5.73mm.

This ring is currently sized at 5 and can be resized at no extra cost.

A Word from the Jeweler: The large center diamond really stands out here, and I think the filigree detailing captures the elegance of Art Deco design beautifully. It’s the kind of craftsmanship that makes me appreciate rings from this era.

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]]> GIA 3.03ct Emerald Cut Fancy Diamond Berwyn Ring https://www.estatediamondjewelry.com/product/berwyn-ring/ Wed, 06 Aug 2025 14:43:57 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=87205 This ring centers a GIA certified 3.03 carat fancy deep orange-yellow emerald cut diamond with an SI1 clarity. Two bezel-set baguette diamonds decorate the shoulders in a tiered design. The additional diamonds weigh a total of approximately 0.20 carats. This ring was handcrafted in platinum.

The center diamond measures approximately 9.23mm x 7.21mm x 4.34mm.

The current size of this ring is 5 and can be resized at no extra cost.

A Word from the Jeweler: The depth of color in this fancy deep orange yellow diamond has a richness to it that’s hard to look away from. The clean platinum setting with baguette accents feels like the right balance, letting the centers tone speak for itself.

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]]> Antique GIA 3.80ct Old European Cut Diamond Camdenton Ring, Circa 1920 https://www.estatediamondjewelry.com/product/camdenton-ring/ Mon, 12 May 2025 21:40:29 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=84320 An Art Deco ring showcasing a GIA certified 3.80 carat Old European cut center diamond with an M color and SI1 clarity. Each shoulder is adorned with three additional Old European cut diamonds leading to an engraved shank. This ring was handcrafted in platinum, circa 1920.

The total additional diamond weight is 0.2 carats.

The approximate measurements of the center diamond are 9.96mm x 9.99mm x 6.23mm.

This ring is currently size 6.25 and can be resized at no extra cost.

A Word from the Jeweler: What stood out to me right away was how the diamond shoulder details elevate the entire silhouette without distracting from the center stone. It’s a beautifully balanced example of art deco design done right.

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]]> Vintage GIA 3.02ct Pear Shaped Diamond Claud Ring https://www.estatediamondjewelry.com/product/claud-ring/ Mon, 12 May 2025 21:34:19 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=84324 A beautiful vintage ring featuring a GIA certified 3.02 carat pear shaped center diamond with an E color SI2 clarity. Three round brilliant diamonds adorn each shoulder of this ring. The additional diamonds weigh a total of 0.78 carats. This ring was handcrafted in platinum.

The approximate measurements of the center diamond are 12.73mm x 8.01mm x 5.54mm.

This ring is currently size 6 and can be resized at no extra cost.

A Word from the Jeweler: The shape and size of the pear cut diamond make this ring especially striking, and the round shoulder stones add a softness to the design. It's rare to find a vintage ring with this kind of presence that still feels so balanced on the hand.

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]]> Vintage GIA 3.31ct Antique Asscher Cut Diamond Verdella Ring https://www.estatediamondjewelry.com/product/verdella-ring/ Mon, 12 May 2025 21:27:48 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=84327 A stunning vintage ring featuring a GIA certified 3.31 carat antique Asscher cut center diamond with a G color and VS2 clarity. Two emerald cut diamonds accent the center stone on the shoulders. The additional diamonds weigh a total of 0.4 carats. This ring was handcrafted in platinum.

The approximate measurements of the center diamond are 8.06mm x 8.03mm x 5.30mm.

This ring is currently size 6 and can be resized at no extra cost.

A Word from the Jeweler: I’m always drawn to Asscher cuts, and this one has the clarity and depth that make it especially striking in person. The pairing with emerald-shaped accents gives it a crisp, architectural feel that collectors really appreciate.

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]]> Art Deco 3.02ct GIA Old European Cut Diamond Sandstone Ring, Circa 1925 https://www.estatediamondjewelry.com/product/sandstone-ring/ Mon, 12 May 2025 21:25:18 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=84328 An Art Deco engagement ring featuring a GIA certified double and single prong-set Old European cut Diamond weighing 3.02 carats with an I color and VS2 clarity. Set under the center diamond are pave-set round brilliant diamonds. Three additional diamonds decorate each shoulder leading to a detailed engraved shank. This ring was handcrafted in platinum, circa 1925.

The total approximate weight of the additional diamonds is 0.41 carats.

The approximate measurements of the center diamond are 9.09mm x 9.17mm x 5.71mm.

This ring is currently size 7.25 and can be resized at no extra cost.

A Word from the Jeweler: The engraved shank is the kind of detail that sets true Art Deco work apart. I also love how the diamonds frame the center stone without overpowering its elegance.

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]]> Antique 3.08ct Cushion Cut Diamond Clearfield Ring, Circa 1920 https://www.estatediamondjewelry.com/product/clearfield-ring/ Fri, 09 May 2025 13:31:30 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=84295 An Art Deco ring featuring a GIA certified bezel-set 3.08 carat antique cushion cut center stone with a G color and SI2 clarity. Surrounding the center diamond is a detailed open work filigree with additional diamond detailing. This ring was made with a platinum mounting and 18k white gold shank, circa 1920.

The total approximate weight of the additional diamonds is 0.94 carats.

The approximate measurements of the center diamond are 9.24mm x 8.97mm x 4.71mm.

This ring is currently size 8.5 and can be resized at no extra cost.

A Word from the Jeweler: I was immediately drawn to the intricate diamond filigree and the precision in the metalwork, it’s exactly what I look for when assessing Art Deco craftsmanship. The center diamond has an impressive presence, and it’s rare to see one of this size set so elegantly within such detailed surroundings.

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]]> 3.08ct Art Deco Diamond Rockland Ring, Circa 1925 https://www.estatediamondjewelry.com/product/rockland-ring/ Mon, 17 Mar 2025 14:44:45 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=82754 This stunning Art Deco ring features a 3.08 carat GIA certified Old European center diamond with a J color and VS1 clarity. The under-gallery is decorated with a detailed open work design highlighting the prong setting of the center diamond. Each Shoulder highlights a geometric pattern with a pave-set diamond. This ring is made in platinum, circa 1925.

The measurements of the center stone are 8.99mm x 9.34mm x 5.73mm.

This ring is currently sized at 7 and can be resized at no extra cost.

A Word from the Jeweler: The geometry of this Art Deco era ring is a perfect reflection of the period’s fascination with strong lines and symmetry. I was especially drawn to the way the large center diamond commands attention while still maintaining elegance.

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]]> GIA-Certified 3.19ct Asscher-Cut Diamond Kingbury Ring https://www.estatediamondjewelry.com/product/kingbury-ring/ Wed, 09 Oct 2024 15:00:29 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=17598 This beautiful engagement ring centers a prong set Asscher cut diamond that is GIA-certified as 3.19 carats, K color, and VVS2 clarity. Two baguette cut diamonds weighing 0.18 carats total are set along each shoulder. This ring is handcrafted in platinum, and decorated with fine milgrain.

A copy of the GIA certificate is available upon request.

The center diamond measures 8.32mm x 8.13mm x 5.42mm.

This ring can be resized to any finger size at no extra cost.

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]]> Antique 3.39ct Cushion-Cut Diamond Wingate Engagement Ring, Circa 1910 https://www.estatediamondjewelry.com/product/wingate-ring/ Fri, 09 Aug 2024 14:34:06 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=72787 A beautiful antique diamond engagement ring featuring a prong-set cushion-cut diamond center weighing 3.39 carats, J color, and VS2 clarity. Adorning the shank are hand engravings and fine milgrain. This ring was handcrafted in platinum during the Edwardian era, circa 1910.

The measurements of the center stone are approximately 9.33mm x 8.68mm x 5.66mm.

This ring is currently sized at 5 and can be resized at no extra cost.

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]]> Cartier GIA Certified 3.04ct Emerald Cut Diamond Ring https://www.estatediamondjewelry.com/product/cartier-emerald-cut-diamond-ring/ Mon, 15 Jul 2024 18:33:11 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=71466 A vintage Cartier ring featuring a GIA-certified 3.04-carat emerald cut diamond, D color, and IF clarity. Accenting the center diamond are two trapezoid diamonds. The total weight of the side stones is 1.20 carats, D color and VVS2 clarity overall. This ring is made in platinum and signed by Cartier.

The center diamond measures approximately 10.34mm x 6.96mm x 4.58mm.

The current size of this ring is 6.5 and can be resized at no extra cost.

A copy of the GIA certificate is available upon request.

A Word from the Jeweler: Vintage Cartier always draws me in, but this one feels especially refined with the proportions of the emerald cut against the platinum. There's a quiet confidence to the design that really captures what made Cartier’s mid-century work so enduring.

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]]> Vintage 3ct Antique Cushion Cut Diamond Mauboussin Ring https://www.estatediamondjewelry.com/product/mauboussin-ring/ Wed, 26 Jun 2024 15:18:00 +0000 https://www.estatediamondjewelry.com/?post_type=product&p=70614 This is an impressive vintage Mauboussin ring featuring an antique cushion-cut diamond weighing approximately 3.00 carats, J color, VS2 clarity. Along the shoulders are calibrated baguette-cut diamonds. This ring is signed by Mauboussin, has catalog numbers, and is made of 18k yellow gold.

The additional diamond weight is 1.20 carats, H-I color, VS2 overall.

This ring is currently size 7.

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