Check out this engagement ring from Blue Nile. View photos, read details and find nearby shops at TheKnot.com.

This 18k white gold, six-prong solitaire is the ultimate classic engagement ring style. Crafted to showcase your choice of diamond, six slim platinum prongs secure and support the center stone. The slender silhouette and polished finish of this solitaire exemplify timeless design, proving simple can be truly stunning.


501140W

Blue Nile 501140W Engagement Ring | The Knot

Blue Nile

Engagement ring details

This 14k white gold, six-prong solitaire is the ultimate classic engagement ring style. Crafted to showcase your choice of diamond, six slim prongs secure and support the center stone. The slender silhouette and polished finish of this solitaire exemplify timeless design, proving simple can be truly stunning.


501140W14

Classic elegance, this diamond engagement ring setting features pave-set round brilliant diamonds mounted in enduring platinum.


501590P

Classic from a bird's-eye view, this platinum solitaire has a delicate diamond profile and slight cathedral that put your center stone on display.


502250P

Unsure what setting she'd like best? Select the right diamond and set it on this simple and elegant band of 14k white gold. After your proposal, let her make the choice of setting style she prefers.


502120W14

Classic with a twist, this 14k white gold engagement ring features a delicate twist of pave-set diamonds that will complement the center diamond of your choice.


501680W14

A luxe platinum setting embraces your precious diamond while pear-shaped side stones add a fancy-cut edge.


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A simple band of elegant polished yellow gold provides a classic backdrop for your choice of sparkling center diamond.


501130Y14

A high-mounted diamond carves a crisp shape on this 14k white gold engagement ring. It's finished with dazzling pave diamonds along the band.


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With the perfect hint of gold, this engagement ring showcases French pave-set diamonds set in 14k yellow gold that complement your choice of center diamond.


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Delicate cathedral shoulders add classic elegance to this petite platinum solitaire engagement ring setting.


501230P

Classic with a twist, this platinum engagement ring features a delicate twist of pave-set diamonds that will complement the center diamond of your choice.


501680P

Beautifully crafted, this Blue Nile Studio platinum engagement ring features french pave-set diamonds encompassing the center diamond of your choice.


501540P

Elegant in simplicity, this petite solitaire engagement ring is crafted in polished 14k white gold to create a classic frame for your center diamond.


501130W14

Let your diamond shine brilliantly in this classic platinum four-prong solitaire engagement ring. The slim silhouette and polished finish exemplify timeless style. Select from a variety of diamond shapes to create the perfect classic solitaire engagement ring for you.


500000P

Classic from a bird's-eye view, this 14k yellow gold solitaire has a delicate diamond profile and slight cathedral that put your center stone on display.


502250Y14

Elegant in simplicity, this petite nouveau solitaire engagement ring is crafted in polished 14k white gold to create a classic frame for your center diamond.


501120W14

Exquisite in design, this diamond engagement ring features pave-set diamonds complemented by platinum that beautifully frames your center diamond.


501591P

Set in stunning pave, 1/2 ct. of sparking diamonds will radiate around your choice of center diamond.


501601P

Classic with a twist, this 14k yellow gold engagement ring features a delicate twist of pave-set diamonds that will complement the center diamond of your choice.


501680Y14

Pave diamonds set into polished platinum create a shimmering backdrop to a diamond on this exquisite engagement ring.


502680P

Let your diamond shine brilliantly in this classic 18k white gold four-prong solitaire engagement ring. The slim silhouette and polished finish of this timeless style exemplify timeless style. Select from a variety of diamond shapes to create the perfect classic solitaire engagement ring for you, set in enduring platinum prongs.


500000W

Let your diamond shine brilliantly in this classic 18k yellow gold four-prong solitaire engagement ring with  platinum prongs. The slim silhouette and polished finish exemplify timeless style. Select from a variety of diamond shapes to create the perfect classic solitaire engagement ring for you.


500000Y

This 18k yellow gold, six-prong solitaire is the ultimate classic engagement ring style. Crafted to showcase your choice of diamond, six slim platinum prongs secure and support the center stone. The slender silhouette and polished finish of this solitaire exemplify timeless design, proving simple can be truly stunning.


501140Y

Elegant in simplicity, this petite solitaire engagement ring is crafted in polished 18k yellow gold to create a classic frame for your center diamond.


501130Y

Classic from a bird's-eye view, this 18k yellow gold solitaire has a delicate diamond profile and slight cathedral that put your center stone on display.


502250Y

Thanks to their striking simplicity, solitaire engagement rings are perhaps our most popular style. This one, crafted in platinum, features a rounded inside edge for comfort. Pair it with a matching wedding band to complete the set. A six-prong ring head, which provides extra security and can make the diamond look larger, is available upon request.


501310P

Beautifully classic, this solitaire engagement ring is crafted in platinum with a six-prong design to highlight your center diamond.


501760P

Elegant in simplicity, this petite nouveau solitaire engagement ring is crafted in platinum to create a classic frame for your center diamond.


501120P

Sophisticated and elegant, this modern platinum engagement ring features a unique east-west bypass design to showcase  the center stone diamond of your choice. Zac infuses luxurious style by adorning each ring with a signature 18k yellow gold interior accent.


501660P

Featuring distinct detailing that flows effortlessly, this stunning platinum solitaire engagement ring showcases a brilliant round diamond in six-prong trellis setting.


502090P

Delicate and beautiful, this diamond engagement ring in platinum features a half circle of sparkling petite micropave diamonds to complement your center diamond.


501480P

Eyes will be fixated on this immaculate 14k White Gold diamond engagement ring, showcasing French pave-set diamonds that complement your choice of center diamond.


501410W14

Eyes will be fixated on this immaculate platinum diamond engagement ring, showcasing French pave-set diamonds that complement your choice of center diamond.


501410P

Classic elegance, this diamond engagement ring setting features pave-set diamonds set in 14k white gold.


501590W14

Delicate and beautiful, this diamond engagement ring in 14k white gold features a half circle of sparkling petite micropave diamonds to complement your center diamond.


501480W14

This platinum six-prong solitaire is the ultimate classic engagement ring style. Crafted to showcase your choice of diamond, six slim platinum prongs secure and support the center stone. The slender silhouette and polished finish of this solitaire exemplify timeless design, proving simple can be truly stunning.


501140P

Let your diamond shine brilliantly in this classic 14k white gold four-prong solitaire engagement ring. The slim silhouette and polished finish of this timeless style exemplify timeless style. Select from a variety of diamond shapes to create the perfect classic solitaire engagement ring for you.


500000W14

Elegant in its simplicity, this petite solitaire crafted in platinum is a beautifully classic frame for your choice of center diamond.


501130P

Delicate cathedral shoulders add classic elegance to this petite 14k gold solitaire engagement ring setting.


501230Y14

Eyes will be fixated on this immaculate platinum engagement ring, showcasing pave-set diamonds that complement your choice of center diamond.


501300P

Gorgeous micropave-set diamonds trail along the shank of this classic engagement ring, adding bold sparkle. The 14k white gold design elegantly holds the center stone aloft with elegant romance.


503010W14

Delicate and beautiful, this diamond engagement ring in 14k yellow gold features a half circle of sparkling petite micropave diamonds to complement your center diamond.
