The design of the web site and the informational pop-ups made it a very interesting and educational experience buying an engagement ring. My fiance really loved it and had a group of women trying it on in her office. Shipping and customer service were both quick and first rate.

I am very happy with the buying experience. Zero sales pressure and so convenient. I used the build your ring feature and tweaked my choice over several days before finally deciding. The ring and diamond are absolutely beautiful, more so than I even expected! I would not hesitate to recommend Blue Nile.

Wow! Just wow! This diamond is absolutely gorgeous. If you want to buy her a diamond that's simply nicer than all the others out there, go with a signature ideal diamond from Blue Nile. It's simply the most beautiful diamond I've ever seen.

The diamond sparkles like crazy! My fiance and I really like the extra certificate where you can see the sparkle pattern -- this is very helpful in the choice of the diamond that went into my engagement ring. Very please with the value, the service and the selection of settings -- this is no small accomplishment by Blue Nile since we work less than 10 blocks away from the famous NY diamond district!

I was very pleased with the reaction from my other half when she saw the ring. The diamond sparkled and suited the setting beautifully. Throughout, I have had brilliant service and will definitely recommend and use Blue Nile again.

I had shown her a couple of options and this is the one she picked out. When I proposed and put the ring on her finger, she couldn't stop looking at it and has stated multiple times how the diamond and setting are much more beautiful than she ever imagined.

Although reluctant at first to make such a high value and important purchase online sight unseen, I cannot say enough about how impressed I am with the diamond and the ring. The process to select both the stone and the setting is simple and intuituitive and allowed me to find the perfect ring. Once I received the ring, I was amazed with the brilliance and quality of the stone and ring. The best endorsement of my choice to buy from Blue Nile has been the reaction of my Fiancee and everyone else who has seen the beautiful ring . . .

The quality of the stone and ring are outstanding. The sparkle in the diamond is so bright and it appears to be flawless. I checked numerous retail jewelry stores prior to making my purchase and none of their stones can compare, nor their prices. Blue Nile provides excellent quality for an affordable price.

It is a very beautiful stone. She has yet to remove it from her finger. She absolutely loves it. Everyone that I showed it to said I made a very good choice with this ring!

The Signature Ideal Cut really makes a difference. I have never seen a diamond sparkle so brightly.

We got married in 2008. At the time, I was unable to have the ring I wanted. A couple of months ago, my husband said now was the right time. I eagerly began my search on bluenile. I had initally chosen the nouveau 6 prong setting as I wanted a classic tiffany style ring. However, as this was unavailable for the size of diamond I had selected, I decided to go with the nouveau 4 prong with a half band of diamonds. When I received the ring my heart was pounding. I can't remember the last time I had been so nervous. When I saw the almost 1.80 carat signature diamond ring I had been planning for months, I fell in love with it immediately. I already had a tiffany shared setting eternity wedding band. The two compliment each other perfectly and the signature diamond is just as sparkly if not more. The only thing I would comment on is that the pictures do not really do the ring justice. We were very happy with customer service and will definitely buy from blue nile in the future.

The pictures on the website are great, but they fail to compare to the sparkle of this diamond! I will be shopping with Blue Nile again.

The diamond was very bright and better than expected. I was worried 0.35 carat would be too small but it was just perfect size for the setting.

Very high quality beautiful diamonds. I received warm expert support re my questions re cut, color, etc. Payment and receipt service is exceptionally easy and fast. I needed overnight delivery and got it! How very nice too for free delivery!! Important too were certified and very descriptive details per diamond for insurance. Thank you very much. I will be back.

Gorgeous! The Signature Cut makes all the difference. The information provided online is exceptional. Online and phone support could not be better.

I did the blue nile signature cut because it has the inscribed numbers on the girdle and it makes me confident that it is mine(will be my girl's soon). as soon as I opened up the box.. 'WOW'!!! the cut is unreal, very beautifully sparkles. Even my local jeweler says it's exceptional. yes, the package arrived on time, actually very early in the morning.

The diamond I received from Blue Nile was exceptional. My Fiance loves it so much. I have never seen a diamond to match its fire and brilliance. They do very nice work at Blue Nile.

she loves it very much!!! everyone at her work place adores her ring!

Definitely the best cut diamond I've ever seen personally. It has the incredible ability to sparkle and shine even in dark rooms. It does have some internal inclusions that I can see with the naked eye, but the value was incredible and she loves it. Very satisfied with the signature ideal cut.

The diamond is absolutely gorgeous and Blue Nile's customer service is second-to-none. All of my inquires were met with prompt (usually within 12-hours, never more than 24) and helpful advice. This combined with extremely competitive pricing and included overnight shipping made my engagement diamond shopping experience very pleasurable. My single concern was not being able to physically view the diamond before purchasing; upon seeing the diamond in person I was astounded to find that it was more brilliant than every diamond I had viewed in retail stores (some of which even had high color/clarity ratings). I have recommended Blue Nile to all my friends who are in the position to purchase a diamond soon and will absolutely do business with them in the future!

Both my wife and I were extremely happy with the quality of the stone we choose. It definately exceeded our expectations. Compared to local jewelry stores, the quality and the value for the cost is unmatched. Additionally, we were very happy with the customer service. After doing some comparison shopping at local retailers we were pleased with the professionalism, attitude and exceptional helpfulness we experienced when working with blue nile personnel. We will definately continue to buy from blue nile and recommend their services to our friends

The Signature Round Diamond engagement ring my fiancee purchased for me was amazing. It sparkles soo much. I can't stop looking at it. lol. He got me a .70 H color VS2. The cut makes the diamond look bigger almost looks like a 1 carat. I thought the .70 would look small but it is a very good size.

The diamond is beautiful, it sparkles and shines even with only a hint of light hitting it. My girlfriend, now fiancee, loves it.

The cut of the diamond is highly important and had the biggest impact of how the ring looked to the naked eye, meaning you could save money on clarity. The signature diamond is exceptionally sparkly and excellent all round.

She loved the ring! Shines more than a friend's diamond :) Seemed like a good price when comparing to stores in mall. Came with paperwork and feel comfortable with value.

It is a beautiful diamond! I took it to a jewler before I gave it too her and he said he couldn't sell me a diamond of such high quality for that low of a price. She loves it and her friends do too!

My Signature Ideal are beautiful and stunning, what else can I say? There's nothing better.

I bought a Signature Ideal diamond from Blue Nile and the little lady cannot stop looking at it as it shines in the light.

The diamond is incredibly brilliant and spectacular, as I expected! Most importantly, Blue Nile (BN) was far less expensive than the same diamond at other retail and even online stores. I am exceptionally pleased with the highest-quality standards of BN.

The diamond was better than represented in photos. The diamond came with a laminated documents with details and zoomed in picture of the diamond, as well as two appraiser's documents for insurance purposes. The packaging was also very nice, and the box suitable for engagement presentation. (No gaudy store names, etc.)