Finding the best places to buy diamond necklaces starts with more than picking a style you like. The retailer you buy from matters just as much.
A diamond necklace is one of those pieces you rarely leave sitting in the box. It quickly becomes part of your everyday jewelry collection. A solitaire pendant may be something you wear every day. Meanwhile, a larger statement piece often comes out for special occasions.
As you start comparing options, details like diamond quality, chain length, pendant style, metal type, and certification naturally become more important. Meanwhile, two necklaces that look almost identical in photos can be entirely unique once you look a little closer.
We looked beyond the product photos before putting this list together. We compared diamond quality, certifications, pricing transparency, customer support, and the overall shopping experience.
Our List of the Best Places to Buy Diamond Necklaces
Finding the right diamond necklace is only half the decision. Before long, most buyers are comparing the retailers just as closely.
At the same time, the right choice often depends on what matters most to you once you’ve narrowed down the style you’re after.
Rather than looking at the necklaces alone, we compared the retailers behind them. Diamond quality, certifications, pricing transparency, customer support, and overall value all helped shape the list below.
We also looked at how easy each retailer makes it to compare different necklace styles, pendant designs, chain options, and diamond specifications before buying.
A Quick Comparison of the Best Places to Buy Diamond Necklaces
| Retailer | What Stands Out | Best For |
| Rare Carat | Transparent pricing, certified diamonds, expert guidance, and one of the largest online selections | Buyers looking for the strongest overall value and shopping experience |
| 1 Carat Lab Diamonds | Focused collection with a straightforward shopping experience | Buyers who already know what they’re looking for |
| Ascot Diamonds | Manageable inventory with a clean, easy-to-browse selection | Buyers who prefer a simpler shopping experience |
| James Allen | Somewhat large inventory with detailed research tools | Buyers who like to compare plenty of options before deciding |
| Mark Broumand | Curated collection of classic diamond necklace designs | Buyers who prefer timeless jewelry styles |
1. Rare Carat – Overall Best Place to Buy Diamond Necklaces
Picking a diamond necklace feels completely unique when the search is actually designed around you.
Most buyers start with a style. You might start with a style, such as a solitaire pendant, tennis necklace, cluster setting, or station necklace. The direction usually comes first. Then the questions start.
- What diamond shape?
- Which carat weight?
- What metal?
- And how much is a fair price for all of it?
That’s where Rare Carat earns its place as one of the best places to buy diamond necklaces.
As a direct-to-consumer diamond retailer and merchant of record, Rare Carat manages the full experience from selection through delivery. There’s no passing of buyers between third parties mid-purchase. Instead, everything stays under one roof from beginning to end. Without the overhead of traditional showrooms, the pricing often reflects that advantage directly.
If you’re still comparing the best places to buy diamond necklaces, learn more here about why Rare Carat continues to be one of the most trusted options for diamond jewelry online.
More on the Brand
The selection covers more than 5,000 fine jewelry designs, including a wide range of diamond necklaces across styles, settings, and price points. Meanwhile, more than 1.5 million natural and lab-grown diamonds sit behind that selection. Every diamond carries GIA, IGI, or GCAL certification, giving buyers plenty of room to find the right stone for the right setting.
Fortunately, the search experience is built to stay manageable. Advanced filters, quality score insights, and the Rare Carat Report all help buyers focus on what genuinely fits their priorities instead of sorting through irrelevant results.
Of course, shopping for a diamond necklace often raises specific questions about stone proportions, color grading, or whether a particular diamond is worth the price difference. That’s where access to more than 100 GIA-certified gemologists becomes genuinely useful. They act as consumer advocates, not salespeople. Honest, no-pressure guidance is available throughout the process at no added cost.
As a result, that combination of transparent pricing, certified diamonds, and real expert access has helped Rare Carat earn more than 7,000 five-star reviews across Google and Trustpilot.
How Rare Carat Diamond Necklace Pricing Compares
| Retailer | Price (14K White Gold 1 ct TW Diamond Solitaire Necklace)* | Rare Carat Everyday | Rare Carat On Sale | Max You Save |
| James Allen | ~$3,250 | ~$2,695 | From $2,095 | Up to $1,155 (36% less) |
| Mark Broumand | ~$3,750 | ~$2,695 | From $2,095 | Up to $1,655 (44% less |
| 1 Carat Lab Diamonds | ~$3,050 | ~$2,695 | From $2,095 | Up to $955 (31% less) |
| Ascot Diamonds | ~$3,350 | ~$2,695 | From $2,095 | Up to $1,255 (37% less) |
*Prices vary depending on diamond quality, carat weight, setting style, metal type, and promotional timing.
⚡ Currently live on Rare Carat: 1ct G VS1 diamonds from $395 during their 4th of July Sale (up to 40% off). Comparable diamonds at many competing retailers often sell for significantly more, making it worthwhile to check Rare Carat before purchasing elsewhere.
Pros
- Rare Carat operates entirely online, so buyers aren’t paying for showroom overhead. As a result, comparable diamond necklaces often come at noticeably lower prices.
- Meanwhile, high-resolution images and 360° diamond videos make it much easier to examine stone quality and setting details before placing an order.
- Creating a more personal look doesn’t take much effort, either. Buyers can mix different metals, settings, chain styles, and diamond shapes to find the combination they like best.
- Questions are bound to come up along the way. Fortunately, more than 100 GIA-certified gemologists are available to help without trying to sell you something.
- Free insured shipping comes with every order. Buyers also receive a 30-day return policy and a 100% money-back guarantee for extra peace of mind.
- Meanwhile, every eligible jewelry purchase includes a lifetime manufacturer’s warranty, adding confidence long after the necklace arrives.
Cons
- Currently, Rare Carat ships only within the United States and Canada, so international buyers have fewer options.
- Meanwhile, buyers who prefer visiting a physical showroom before purchasing won’t find in-person locations to browse.
2. 1 Carat Lab Diamonds
Not every buyer wants to start the search with thousands of necklace styles to scroll through.
Some shoppers already know the general direction. They’re looking for a classic diamond pendant around a specific carat weight, and they’d rather move quickly than spend hours comparing options they were never really considering.
That’s where 1 Carat Lab Diamonds fits naturally among the best places to buy diamond necklaces.
The collection stays focused rather than sprawling. Meanwhile, buyers with a clear idea of what they want can get to the right options much more quickly. Simple, well-made designs stay easy to find.
Even though it is one of the best places to buy diamond necklaces, it may not suit every buyer. This more focused approach is likely to appeal to anyone who prefers a simpler search.
Pros
- However, with fewer options to work through, buyers with clear preferences can get to the right necklaces sooner.
- Meanwhile, comparing a smaller number of diamond necklace styles takes less effort than working through a much larger inventory.
- As a result, the process from browsing to decision tends to stay more straightforward from start to finish.
Cons
- Then again, buyers who are still exploring different necklace styles or diamond sizes may find the selection limiting.
- At the same time, experimenting with different pendant designs or chain options isn’t as flexible here as with larger retailers.
- Once preferences shift outside the core range, the collection can feel narrow fairly quickly.
3. Ascot Diamonds
Diamond necklaces are one of the easier jewelry categories to over-research.
There are so many pendant shapes, stone sizes, setting styles, and chain options that some buyers end up spending more time comparing than deciding. Ascot Diamonds, one of the best places to buy diamond necklaces, takes a different approach, and for the right buyer, that’s genuinely useful.
The inventory is smaller than some of the other retailers on this list. Meanwhile, that scale keeps the browsing experience clean and easy to follow. Buyers can work through the available styles at a comfortable pace without constantly jumping between pages of near-identical options.
Of course, highly specific requirements around stone shape or pendant style may eventually push a buyer toward a retailer with deeper inventory. Even so, buyers who prefer a simpler search will likely appreciate the smaller, more manageable collection.
Pros
- Meanwhile, the smaller inventory makes browsing diamond necklaces feel much easier from the very beginning.
- With fewer styles competing for your attention, putting together a shortlist usually takes much less time.
- If large catalogs feel more distracting than helpful, the simpler shopping experience is likely to be a welcome change.
Cons
- Meanwhile, buyers hoping to explore a wider range of diamond necklace styles may want a larger collection.
- Then again, shoppers with very specific ideas about pendant designs or chain styles may not always find the exact match they’re after.
- If comparing dozens of diamond necklaces is part of your shopping process, a retailer with a broader selection may suit you better.
4. James Allen
Shopping for a diamond necklace doesn’t always go as planned.
Many buyers begin with one style in mind, only to change direction after exploring a larger collection. A solitaire pendant might turn into a halo design. A classic setting could end up giving way to something more modern. Sometimes, seeing more options is what helps the right necklace stand out.
That’s one reason James Allen appears among the best places to buy diamond necklaces.
The collection gives buyers plenty to explore before making a decision. Meanwhile, narrowing the search is fairly straightforward. Filters for shape, carat weight, metal, and setting style help buyers focus on the necklaces that fit best.
For shoppers who enjoy researching on their own and taking their time, that approach often feels like a comfortable way to shop.
Pros
- If you like looking at plenty of options first, the larger collection leaves you with lots to explore.
- Meanwhile, filtering by shape, metal, setting, or carat weight helps keep the search under control.
- If you prefer shopping at your own pace, there’s no pressure to rush the decision.
Cons
- Then again, working through a larger collection can take more time than expected.
- Meanwhile, many necklace designs start to look quite similar once you’ve compared enough of them.
- Buyers who prefer more hands-on guidance throughout the process may find the experience a little more independent.
5. Mark Broumand
Some buyers already know the kind of diamond necklace they want before they even start shopping.
They’re not looking for trend-driven designs or an endless catalog of variations. They want something timeless. A pendant that looks just as right in ten years as it does today. For that kind of buyer, a smaller, classically focused collection can actually make the search feel more purposeful.
That’s why Mark Broumand rounds out this list of the best places to buy diamond necklaces.
The catalog stays compact and leans toward classic diamond necklaces rather than covering every possible variation. Meanwhile, having fewer designs to browse leaves more time to look closely at details like the stone shape, setting, and overall proportions.
Then again, anyone looking to compare more styles may find the collection a little too small after a while.
Pros
- Meanwhile, you don’t spend much time wondering where to look next. The smaller collection keeps the search moving without feeling rushed.
- If classic diamond necklaces are what you’re after, there’s plenty here to keep your attention. You won’t have to dig through lots of trend-driven designs first.
- Before long, most buyers have already narrowed the search to a handful of favorites, which makes the final decision feel much easier.
Cons
- Then again, once you start looking beyond classic styles, the collection can feel a little limiting.
- Meanwhile, buyers chasing something very specific may not always come across the exact necklace they had in mind.
- If half the fun is comparing dozens of different designs, you’ll probably feel more at home with a much larger collection.
Comparing the Best Places to Buy Diamond Necklaces
| Retailer | Diamond Necklace Selection | Buyer Support | Typical Starting Price* | Potential Savings | Overall Rating |
| Rare Carat | Extensive selection of certified diamond necklaces across multiple styles | 100+ GIA Gemologists | From ~$950 | Often 20–40% lower than many online retailers | ⭐⭐⭐⭐⭐ |
| 1 Carat Lab Diamonds | Focused collection of classic diamond necklaces | Standard | From ~$1,150 | Typically 5–10% below many traditional jewelers | ⭐⭐⭐⭐☆ |
| Ascot Diamonds | Smaller, easy-to-browse collection of classic necklace designs | Standard | From ~$1,350 | Limited promotional savings available | ⭐⭐⭐☆☆ |
| James Allen | Somewhat large inventory across pendant and necklace styles | Self-guided tools | From ~$1,250 | Typically 5–15% below many brick-and-mortar retailers | ⭐⭐⭐☆☆ |
| Mark Broumand | Boutique collection focused on timeless diamond necklaces | Standard | From ~$1,650 | Limited discounting compared with larger online retailers | ⭐⭐⭐☆☆ |
*Prices vary depending on diamond quality, carat weight, pendant style, chain type, metal choice, and retailer promotions available at the time of purchase.
Which of the Best Places to Buy Diamond Necklaces Is Right for You?
Buying a diamond necklace usually takes a little time. Most people compare a few styles, look closely at the diamonds, and decide which retailer feels like the right fit. That extra effort usually pays off, especially when it’s a piece you’ll wear for years.
Along the way, you’ll probably find that different retailers shine in different areas. No two buyers shop the same way. That’s why the best places to buy diamond necklaces often depend on what kind of experience you’re looking for.
Meanwhile, if you’re after the strongest all-around experience, Rare Carat is hard to overlook. Transparent pricing, certified diamonds, access to more than 100 GIA-certified gemologists, and one of the largest online selections all come together to make the entire shopping process feel more straightforward.
The shopping eventually ends, but a good diamond necklace stays with you for years. That’s the one worth choosing.