Gold Diamond Engagement Ring: 18k Gold 4-Prong Solitaire - $340.00
From Blue Nile's Gold Jewelry Collection. This Classic Solitaire Setting makes the perfect gift. This classic four-prong 18k gold setting is designed ...

Engagement Ring: Platinum Pave Diamond Ring (1/2 ctw.) - $1,575.00
From Blue Nile's Diamond Jewelry Collection. This Setting with Sidestones will make the perfect gift. This timeless platinum setting combines a delica...

Engagement Ring: Platinum Trellis Setting (1/2 ctw.) - $2,250.00
From Blue Nile's Diamond Jewelry Collection. This Setting with Sidestones makes the perfect gift. Ten channel-set princess-cut diamonds, five on eithe...

Diamond Engagement Ring: 18K Pure White Gold 1/2 Carat (ctw) Emerald Cut Diamond - on sale at $899.00
Simple, classy and glamorous, this engagement ring is exquisitely crafted in lustrous 18 karat white gold. A beautiful emerald cut diamond is flanked ...

Engagement Ring: 14K White Gold 1.0 Carat (ctw) Diamond Solitaire (Certified) - on sale at $1,649.00
The secret to true beauty is simplicity. The sleek, clean lines of this classic solitaire engagement ring will always be in style. A stunningly clear ...

Engagement Ring: Platinum Princess-Cut Diamond Ring - $2,750.00
From Blue Nile's Diamond Jewelry Collection. This Setting with Sidestones makes the perfect gift. Six channel-set baguette diamonds alternate with eig...

Platinum Setting with Channel-Set Diamonds - $5,200.00
From Blue Nile's Diamond Jewelry Collection. This Setting with Sidestones makes the perfect gift. This exceptional setting features square and trapezo...

Three-Stone Diamond Ring Set in Platinum (4.02 ct. tw. - $67,500.00
From Blue Nile's Diamond Jewelry Collection. This Three-Stone Diamond Rings makes the perfect gift. This spectacular three-stone platinum ring feature...

Engagement Ring: 18K Pure White Gold Emerald Cut 2.0 Carat (ctw) Diamond Ring (SI) - on sale at $3,995.00
One luminous high quality (SI) emerald cut diamond gleams in this magnificent piece, while two smaller emerald cut diamonds help further propel this d...

Engagement Ring: 18K Pure White Gold 1 Carat (ctw) Diamond Pave Ring - $2,995.00
This spectacular engagement ring practically drips with stunningly clear, high-quality diamonds. A luminous round center stone is set in gleaming 18 k...