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Lisa C
I had such a great experience working with Becca at Whiteflash! I was looking for a very specific pear-shaped lab diamond, and she was incredibly helpful, patient, and personable throughout the process. She took the time to answer all of my questions and sent me multiple photos and videos of the stone in different lighting so I could really assess it before making a decision.
Although that particular pear ultimately wasn’t the right one for me, I ended up purchasing a stunning lab diamond tennis bracelet with Becca’s help. She went above and beyond to make sure we chose the right size for my small wrist, and the bracelet was even more beautiful in person than I expected.
Her customer service didn’t stop after the purchase, either. I was having trouble figuring out the secure clasp when it arrived, and she quickly sent me a video walking me through exactly how to use it.
The entire experience felt personal and never pushy. Becca genuinely seemed invested in helping me find pieces I would love rather than simply making a sale. I’ll absolutely be returning to Whiteflash for future purchases and would highly recommend working with her!
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Luft P
After spending weeks researching diamonds and comparing countless options, we ultimately chose a 1.72ct A CUT ABOVE® round brilliant diamond, and it exceeded every expectation. The sparkle, brilliance, and precision of the cut are simply breathtaking. As beautiful as the photos and videos were, seeing the diamond in person was on an entirely different level.
What truly set Whiteflash apart, however, was the outstanding customer service. Becca was incredibly knowledgeable, patient, and responsive throughout the entire process. She answered all of our questions, provided honest guidance without any pressure, and helped us feel completely confident in our decision.
Buying a diamond online can feel intimidating, but Whiteflash made the experience seamless from start to finish. Communication was excellent, shipping was secure and prompt, and every interaction reflected professionalism and genuine care.
If you're looking for exceptional craftsmanship, outstanding expertise, and customer service that truly goes above and beyond, I recommend Whiteflash without hesitation. We couldn't be happier with our experience and will gladly recommend them to family and friends.
Thank you, Becca and the entire Whiteflash team, for helping make this such a special milestone in our lives.
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Alex S
I recently ordered my fiancée's engagement ring through Whiteflash, and the experience exceeded every expectation. From the very first inquiry, Becca was incredible to work with — knowledgeable, responsive, and genuinely invested in helping me find the right ring. I had a specific timeframe I needed the ring by, and Becca made sure everything was handled to meet that deadline without any stress on my end. She kept me updated throughout the process, whether through detailed emails or quick phone calls, and always made herself available to answer questions. Her customer service made what could have been a nerve-wracking purchase feel completely manageable — I never once felt out of the loop. The ring itself arrived exactly as described and beautifully packaged. It's clear Whiteflash takes pride in both their product and their people. Highly recommend Whiteflash for anyone looking for quality, transparency, and a team that actually cares about getting it right.
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Jonathan H
Purchasing from Whiteflash was an exceptional experience. Liza provided knowledge, expertise, care and attention to detail that was above and beyond my expectations. She met a very constrained timeline and was an absolute joy to work with. The quality of the diamond is stunning. I highly recommend Whiteflash and Liza.
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Justin B
Becca made the ring process effortless, smooth from beginning to end with lightning-fast responses to all my questions. Highly recommend working with her!
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Free FedEx Insured Shipping to California
Whiteflash provides FREE insured FedEx shipping, both within the United States and to over
70 International destinations which we are able to serve.
Whiteflash has been serving smart diamond and jewelry shoppers all over the world since the year 2000, providing
the finest in ideal diamonds and designer engagement rings. Hailed as "Lord of the Online Rings" by the prestigious
Kiplinger's magazine, Whiteflash is one of the most trusted and best reviewed sites on the web today. Find out more
About Us including our comprehensive package of
benefits and guarantees.
Please use the images above to browse our in-house inventory of ideal diamonds including the extraordinary
A CUT ABOVE®, and a superb collection of brand name designer
settings. We also provide extensive
education to help you make a brilliant
choice, and we have a team of GIA trained gemologists and jewelry professionals always available to answer
questions or provide assistance by phone, chat, or email.
We specialize in taking the stress out of diamond and fine jewelry shopping by providing a wealth of
information on our products and services, and providing you with a pressure free experience that you will
want to tell your friends about!
Below you will find reviews written by Whiteflash customers from California to give you a sense of their
experiences and the variety and quality of jewelry we produce.
August 17, 2026
I had such a great experience working with Becca at Whiteflash! I was looking for a very specific pear-shaped lab diamond, and she was incredibly helpful, patient, and personable throughout the process. She took the time to answer all of my questions and sent me multiple photos and videos of the stone in different lighting so I could really assess it before making a decision. Although that particular pear ultimately wasn’t the right one for me, I ended up purchasing a stunning lab diamond tennis bracelet with Becca’s help. She went above and beyond to make sure we chose the right size for my small wrist, and the bracelet was even more beautiful in person than I expected. Her customer service didn’t stop after the purchase, either. I was having trouble figuring out the secure clasp when it arrived, and she quickly sent me a video walking me through exactly how to use it. The entire experience felt personal and never pushy. Becca genuinely seemed invested in helping me find pieces I would love rather than simply making a sale. I’ll absolutely be returning to Whiteflash for future purchases and would highly recommend working with her!
Lisa C, California, USA
August 03, 2026
After spending weeks researching diamonds and comparing countless options, we ultimately chose a 1.72ct A CUT ABOVE® round brilliant diamond, and it exceeded every expectation. The sparkle, brilliance, and precision of the cut are simply breathtaking. As beautiful as the photos and videos were, seeing the diamond in person was on an entirely different level. What truly set Whiteflash apart, however, was the outstanding customer service. Becca was incredibly knowledgeable, patient, and responsive throughout the entire process. She answered all of our questions, provided honest guidance without any pressure, and helped us feel completely confident in our decision. Buying a diamond online can feel intimidating, but Whiteflash made the experience seamless from start to finish. Communication was excellent, shipping was secure and prompt, and every interaction reflected professionalism and genuine care. If you're looking for exceptional craftsmanship, outstanding expertise, and customer service that truly goes above and beyond, I recommend Whiteflash without hesitation. We couldn't be happier with our experience and will gladly recommend them to family and friends. Thank you, Becca and the entire Whiteflash team, for helping make this such a special milestone in our lives.
Luft P, California, USA
July 20, 2026
I recently ordered my fiancée's engagement ring through Whiteflash, and the experience exceeded every expectation. From the very first inquiry, Becca was incredible to work with — knowledgeable, responsive, and genuinely invested in helping me find the right ring. I had a specific timeframe I needed the ring by, and Becca made sure everything was handled to meet that deadline without any stress on my end. She kept me updated throughout the process, whether through detailed emails or quick phone calls, and always made herself available to answer questions. Her customer service made what could have been a nerve-wracking purchase feel completely manageable — I never once felt out of the loop. The ring itself arrived exactly as described and beautifully packaged. It's clear Whiteflash takes pride in both their product and their people. Highly recommend Whiteflash for anyone looking for quality, transparency, and a team that actually cares about getting it right.
Alex S, California, USA
April 30, 2026
Purchasing from Whiteflash was an exceptional experience. Liza provided knowledge, expertise, care and attention to detail that was above and beyond my expectations. She met a very constrained timeline and was an absolute joy to work with. The quality of the diamond is stunning. I highly recommend Whiteflash and Liza.
Jonathan H, California, USA
San Jose Diamond Engagement Rings and Jewelry
If you’re looking for an engagement ring in San Jose, California, you can’t do better than Whiteflash, an online diamond jewelry business serving the Bay Area engagement ring and diamond jewelry market for over 11 years. The most well-informed customers know—for real diamond quality, you can’t beat the A CUT ABOVE® stone.
The trendy and knowledgeable San Joseans know that Whiteflash is the one place where you know you will get unparalleled diamond quality, and of course, good old fashioned service. The capital of Silicon Valley knows the value of quality and craftsmanship, as well as innovation and modern technology—all the factors that come together to make a Whiteflash engagement ring a lifelong treasure. The best place to buy
loose diamonds,
engagement rings, custom designed rings in San Jose is Whiteflash.
There’s a lot of jewelry on Santana Row, and certainly many jewelry stores in Valley Fair that will show you sparkly diamonds, but to find a one-of-a-kind A CUT ABOVE® diamond engagement ring, citizens of San Jose, you have to go to Whiteflash. In their eleven years in the business, Whiteflash has learned what the San Jose community wants—beautiful, top quality engagement rings and wedding bands with quality diamonds and perfect craftsmanship. Whether you are planning the perfect garden wedding or you plan to get hitched at the magnificent San Jose City Hall, we have the engagement ring and wedding band for you.
Proposing—San Jose Style!
With its sunny skies, palm trees, and never-ending list of things to do, San Jose is the perfect place for a romantic proposal. Try one of these unique local ideas:
- Nothing says proposal like an engagement ring and a million roses, so pack a romantic picnic of cheese, fruit and champagne and pop the question at the San Jose Municipal Rose Garden.
- After an elegant evening at the San Jose Repertory Theater and a perfect dinner at Arcadia, ask her to marry you and she will be sure to say yes.
- Loyal San Jose sports fans would love nothing more than a proposal on the ice at the world-famous Shark Tank. Catching a San Jose Sharks game would just be icing on the cake.
- Cater to her interests. An art lover would enjoy a proposal at the San Jose Museum of Art, while a cinephile would appreciate a romantic proposal at the Cinequest film festival, and a computer geek will flip over an after-hours tour of the Tech Museum.
- Propose at the top of a roller coaster at California’s Great America. Just save the engagement ring until you’re safely back on solid ground.
- Nothing says classic California comfort food like a burger and friend from In-N-Out Burger. Hide the ring (in a clear box!) at the bottom of that delectable bag of golden fries.
- More of an adventurous couple? Take advantage of all the outdoorsy options San Jose has to offer, and spend a day biking the Guadelupe River Trail or hiking through Alum Rock Park.
Since Whiteflash is primary an e-tailer, they can provide reasonable prices on the highest
quality diamonds that San Jose jewelers just can’t match. Whiteflash’s easy-to-use website and friendly agents will help you build your dream engagement ring and then ship it to you overnight—for free!
San Jose is home to dozens of tech start-ups, like Ebay, Cisco Systems, and Adobe, but you don’t have to be king of Silicon Valley to get an engagement ring fit for royalty. For engagement rings, wedding bands, and any other kind of diamond jewelry, trust Whiteflash to provide top-notch diamonds and the best customer service.