Policy
Financing and store cards
A monthly figure is not a price. The difference between a genuinely free instalment plan and a deferred-interest card is thousands of dollars, and both are presented at checkout in the same friendly typeface.
Check live prices — we don't print them here, because they change daily.
Rings
The centre stone is where nearly all the money goes. Compare the same specification at each — shape, carat, colour, clarity, cut grade and grading laboratory held identical, or you are not comparing anything.
Earrings
Sold by total carat weight across the pair, so a 1ct pair is two half-carat stones. Cheap enough to make a sensible first purchase from a retailer you have not used before.
Bracelets
Check the clasp and the safety catch before the stone quality. A tennis bracelet that springs open on the wrist is the most common way people lose one.
Necklaces
The chain matters more than buyers expect. Check the gauge and the clasp — a heavy pendant on a thin chain is a repair waiting to happen.
Links open each retailer's own category page. Rare Carat links are affiliate links and earn us a commission if you buy, at no extra cost to you. The other three are plain links that earn us nothing today; if that changes, this line changes with it. Every relationship is listed on the disclosure page.
Read from the retailers' own payment and disclosure pages from the retailers' own pages. Financing terms change; the credit agreement you are shown at checkout governs, not this page.
The change most sites have not caught up with
Blue Nile no longer offers a Blue Nile credit card. Its own payment page says so plainly: existing cardholders keep their accounts but cannot make new purchases with them.
That matters because a large amount of published advice — and a great deal of search traffic — still points at that card, quoting its old promotional rates and its 29.99% standard APR. If you arrived looking for it, it is gone. What replaced it is meaningfully better for most buyers, and the reason is the next section.
What each retailer offers
| Blue Nile | James Allen | Brilliant Earth | Rare Carat | Grown Brilliance | |
|---|---|---|---|---|---|
| Store credit card | Discontinued. Blue Nile's own payment page states it no longer offers the card; existing accounts cannot make new purchases. | Store financing available at checkout, subject to approval. | Store financing available at checkout, subject to approval. | None of its own — set by the underlying vendor | — |
| Instalment options | Affirm (6, 12 or 24 months) and Splitit (3 or 6 instalments charged to your existing credit card). | Instalment financing at checkout; terms shown before you commit. | Instalment financing at checkout; terms shown before you commit. | Set by the underlying vendor | — |
| Rate | Affirm: 0–36% APR depending on eligibility. Splitit: 0% interest, your own card's terms apply. | Depends on the applicant and the purchase amount; disclosed at checkout before you accept. | Depends on the applicant and the purchase amount; disclosed at checkout before you accept. | Set by the underlying vendor | — |
| Deferred interest | No. Affirm states the total upfront and does not charge deferred or compound interest. Splitit charges no interest at all. | Read the credit agreement. Store cards in this category commonly use deferred-interest promotions. | Read the credit agreement. Store cards in this category commonly use deferred-interest promotions. | Set by the underlying vendor | — |
| Down payment | Affirm may require one, depending on the amount. Splitit takes the first instalment at purchase. | Depends on the amount and the approval. | Depends on the amount and the approval. | Set by the underlying vendor | — |
| Credit check | Affirm runs an eligibility check. Splitit runs none — it holds the full amount against your existing card limit. | A credit application is involved; expect a hard inquiry. | A credit application is involved; expect a hard inquiry. | Set by the underlying vendor | — |
Terms change without announcement. Every value above was taken from the retailer's own policy page on the date shown — confirm the current terms before relying on them.
Why Affirm changes the calculation
The card Blue Nile retired ran on deferred interest. Affirm does not: it states the total repayable before you accept, and it does not charge deferred or compound interest or late fees. Splitit charges no interest at all, because it simply splits a charge across your existing credit card and holds the balance against your limit.
For a buyer, that is a real improvement. The trap described below still applies wherever a store card is on offer — but on Blue Nile specifically it no longer does.
The one term that matters most
Deferred interest is not zero interest. They are presented almost identically and they behave nothing alike.
With a genuine zero-interest instalment plan, the total repaid equals the purchase price. With a deferred-interest promotion, interest accrues silently from day one and is waived only if the balance reaches zero within the promotional window. Leave any balance — even a small one, even by a few days — and the accrued interest on the entire original amount is added.
A buyer who pays off almost all of a several-thousand-dollar ring but leaves a remainder at the deadline can be charged interest as though nothing had been repaid at all. It is legal, it is disclosed, and it is disclosed in the part of the document nobody reads.
The question to ask, in these words: if I still owe money at the end of the promotional period, is interest charged on the remaining balance or on the original purchase amount?
Store card or instalment plan
A store card is a revolving credit account issued by a bank, carrying its own rate that applies to everything on it after any promotion ends. It stays open, it accepts new spending, and it is where deferred-interest promotions usually live.
An instalment plan is a fixed loan for one purchase, with a defined term and a stated total. When one is genuinely interest-free, the total repaid is the price. It closes when it is paid.
For a single large purchase, the fixed-term plan is generally the more predictable instrument. The card is more flexible and easier to mishandle.
Before you apply
- Most full applications involve a hard credit inquiry. If a mortgage application is in progress, the timing matters.
- Approval can arrive with a lower limit than the purchase, which is an awkward discovery at checkout.
- Confirm how a return interacts with the financing. The refund routes through the lender and the timing can leave a payment due on an item already sent back.
- Read the credit agreement, not the checkout summary. The summary shows a monthly figure; the agreement shows what happens when something goes wrong.
The unglamorous alternative
Paying outright avoids all of the above, and the budget guide sets out a way to arrive at a number you can pay outright. Financing a ring is not automatically a mistake — financing one on terms you have not read very often is.
Common questions
What is deferred interest?
A promotion where no interest is charged if the balance is cleared within the promotional period — but if any balance remains at the end, interest is charged retroactively on the entire original purchase amount, not on what is left. Missing by a small amount can cost as much as never having had the promotion.
Does Blue Nile still have a credit card?
No. Blue Nile's own payment page states that it no longer offers the Blue Nile credit card. Existing accounts remain open but cannot be used for new purchases. Financing is now handled by Affirm, over six, twelve or twenty-four months, and by Splitit, which splits the charge across your existing credit card.
Is a store card the same as a payment plan?
No. A store card is a revolving credit account, usually issued by a bank rather than the retailer, with its own rate and terms. An instalment plan is a fixed-term loan for that purchase. The card typically carries the higher rate once any promotion ends.
Does applying affect my credit score?
Usually yes. Most of these applications involve a hard credit inquiry, which is worth knowing if you have a mortgage or other application in progress. Some prequalification tools use a soft check; the full application generally does not.
Do I keep the return right if I financed the purchase?
The return right is governed by the retailer's policy, not the financing. But the refund routes back through the lender, and the timing can leave you owing a payment on a returned item. Confirm the sequence before returning.