Blue Nile's infinity ring catalog punches above its price point. Thirty-plus styles across birthstone bands, diamond chevron stackers, round-and-baguette fashion rings, and a Zac Zac Posen collaboration piece — all with real diamonds or genuine gemstones. Price range is $495 to $1,860 (before discounts that drop many pieces to $700–$1,302). The entry point is genuinely accessible for a fine jewelry retailer of Blue Nile's caliber.
Infinity rings occupy a specific niche in fine jewelry: they're symbolic enough to give as a meaningful gift, stackable enough to work as everyday bands, and affordable enough to buy multiple in different metals. Blue Nile's selection reflects all three uses — and the 11-birthstone collection alone makes this one of the stronger gifting categories on the site.
I've reviewed the complete Blue Nile infinity ring catalog for July 2026. Every piece linked and priced. Affiliate disclosure: Blue Nile pays a commission if you buy through my links.
TL;DR: Blue Nile Infinity Rings
- Price range: $495–$1,860 (after discounts: $495–$1,547)
- Best birthstone gift: JA Infinity Birthstone Ring — $495–$505 (11 gemstones available)
- Most reviewed / bestseller: Zac Zac Posen Twisting Diamond Ring —
$1,635$1,144 (30% off) - Best stacking deal: Stackable Diamond Chevron Ring, 14K White Gold —
$1,000$700 (30% off) - Best open infinity: JA Petite Open Infinity Diamond Ring — $1,425
- Best on clearance: JA Petite Infinity Diamond Ring —
$1,795$1,167 (35% off) - Best metal upgrade: Platinum Chevron Ring —
$1,550$1,085 (30% off)
What Does an Infinity Ring Symbolize?
The infinity symbol (∞) was borrowed from mathematics by the jewelry industry and given an emotional meaning: endless love, unbroken connection, eternal commitment. It's one of the few symbols that works equally well for romantic relationships, close friendships, and parent-child bonds — which makes infinity rings unusually versatile as gifts.
Who buys infinity rings:
- Partners giving a non-engagement commitment ring
- Anniversary gifts (especially 8th anniversary, which is traditionally a "symbol" year)
- Mothers giving daughters a meaningful piece at milestone moments (graduation, 18th birthday, new baby)
- Best friends marking long friendships
- People who want a stackable band with symbolic weight rather than just a plain metal band
Infinity ring vs. infinity necklace: Rings are more durable for everyday wear (no chain clasp to break). Necklaces are more visible and work for people who don't wear rings daily.
Infinity ring vs. eternity ring: An eternity ring has diamonds or stones all the way around the band. An infinity ring features the ∞ motif as the design focus — they're structurally different, though both work as symbolic gift pieces.
Zac Zac Posen Twisting Diamond Ring — The Bestseller
| Detail | Specification |
|---|---|
| Style | Twisting Diamond Ring |
| Designer | Zac Zac Posen |
| Metal | 14K White Gold |
| Item # | 194103 |
| Original Price | $1,635 |
| Sale Price | $1,144 (30% off) |
| Reviews | 14 reviews — most reviewed in category |
This is the standout piece of the entire infinity ring catalog — and the review count backs it up. Fourteen real buyer reviews at Blue Nile is rare for a fashion ring; most category pieces have zero to three. That level of social proof for a clearance ring tells you it's moving well.
Why it works: The Zac Zac Posen collaboration brings actual fashion credibility to a Blue Nile category that otherwise trends toward classic and traditional. The twisting design gives the ring movement — it's not a flat infinity motif but a dimensional spiral that catches light differently at every angle. In 14K white gold, it reads as sophisticated and modern.
At $1,144 (30% off $1,635): This is a genuine deal, not a manufactured markdown. For a designer-collaboration diamond ring in 14K white gold with this review count, $1,144 is well-priced. If you're looking for one statement infinity ring rather than a stackable band, this is the one to buy.
Browse the Zac Zac Posen Twisting Diamond Ring →
Birthstone Infinity Rings — The Best Gifting Collection
This is where Blue Nile's infinity ring catalog genuinely earns attention. Eleven birthstone options, all in 14K gold (yellow or white depending on stone), all in the $495–$505 range. Every stone is a JA design — James Allen's sister brand available exclusively through Blue Nile.
| Gemstone | Birthmonth | Metal | Price | Item # | Link |
|---|---|---|---|---|---|
| Garnet (January) | January | 14K Yellow Gold | $505 | 316374 | View → |
| Aquamarine (March) | March | 14K White Gold | $505 | 316380 | View → |
| Emerald (May) | May | 14K Yellow Gold | $505 | 316375 | View → |
| Ruby (July) | July | 14K Yellow Gold | $495 | 316376 | View → |
| Peridot (August) | August | 14K Yellow Gold | $505 | 316377 | View → |
| Sapphire (September) | September | 14K White Gold | $505 | 316382 | View → |
| Opal (October) | October | 14K White Gold | $495 | 316383 | View → |
| Blue Topaz (November) | November | 14K White Gold | $505 | 316384 | View → |
| Citrine (November) | November | 14K Yellow Gold | $505 | 316378 | View → |
| White Topaz (April) | April | 14K White Gold | $495 | 316381 | View → |
| Amethyst (February) | February | 14K White Gold | $495 | 316379 | View → |
Why the birthstone infinity rings are worth buying:
At $495–$505, you're getting a genuine gold ring with a real gemstone — not gold-filled, not plated, not synthetic stone. That price point for 14K gold fine jewelry is strong. The infinity motif makes the symbolic meaning explicit, which is exactly what you want in a gift: the recipient immediately understands the intent.
Best gifting pairings by occasion:
- Birthday: Match the stone to the recipient's birth month — no guessing required on style preferences
- Mother's Day: Get her birthstone, or a child's birthstone in an infinity motif (symbolizes the endless parent-child bond)
- Anniversary: Match to your anniversary month, or choose her birthstone
- Graduation: Any stone works — infinity = unlimited future ahead
Metal color note: Blue Nile assigns yellow gold or white gold based on the stone — they've made the call on what complements each gemstone. Garnet, emerald, peridot, ruby, and citrine all come in yellow gold (warm tones pair with warm metals). Aquamarine, sapphire, amethyst, opal, blue topaz, and white topaz come in white gold (cool tones pair with cool metals). This is the correct call.
JA Petite Infinity Diamond Rings — Best Clearance Deal
These three rings represent the best value in the entire infinity catalog: genuine JA-designed diamond infinity rings at 35% off.
| Metal | Original Price | Sale Price | Item # | Link |
|---|---|---|---|---|
| 14K Rose Gold | $1,167 | 315803 | View → | |
| 14K White Gold | $1,167 | 315804 | View → | |
| 14K Yellow Gold | $1,167 | 315805 | View → |
The "Petite" designation means the infinity motif is delicate and refined — this is a ring for everyday stacking, not a bold statement piece. In rose gold particularly, the petite infinity diamond ring works beautifully as a wedding band alternative or a layering piece above or below an engagement ring.
At $1,167 (35% off $1,795): This is the steepest discount in the entire infinity ring category. If you want a diamond infinity ring that reads as fine jewelry rather than a fashion piece, this is the clearance deal to act on.
JA Petite Open Infinity Diamond Rings
| Metal | Price | Item # | Link |
|---|---|---|---|
| 14K White Gold | $1,425 | 305584 | View → |
| 14K Yellow Gold | $1,425 | 305585 | View → |
| 14K Rose Gold | $1,425 | 305583 | View → |
The "Open" version differs from the Petite Infinity in one meaningful way: the infinity symbol is open at the center, creating a negative space in the loop design. This gives the ring more visual lightness and air — the design reads as more modern and architectural compared to the filled version.
Both the Petite and Open versions have two buyer reviews each, which is a modest signal of actual sales. At $1,425 (no current discount), the Open Infinity is mid-priced for a diamond fashion ring — not a bargain, but reasonable for a JA-branded 14K gold piece.
Stackable Diamond Chevron Rings — Best for Stacking
Chevron rings are V-shaped bands that nest naturally against other rings — engagement rings, wedding bands, or other chevron stackers. Blue Nile's diamond chevron selection in the infinity category is actually a stacking-focused lineup rather than a classic infinity ∞ motif.
14K Gold Options (30% off)
| Metal | Original Price | Sale Price | Item # | Link |
|---|---|---|---|---|
| 14K White Gold | $700 | 288576 | View → | |
| 14K Yellow Gold | $700 | 288577 | View → | |
| 14K Rose Gold | $700 | 288578 | View → |
18K Gold and Platinum Options
| Metal | Original Price | Sale Price | Discount | Item # | Link |
|---|---|---|---|---|---|
| 18K White Gold | $900 | 25% off | 288579 | View → | |
| 18K Yellow Gold | $900 | 25% off | 288580 | View → | |
| Platinum | $1,085 | 30% off | 288581 | View → |
Which metal to choose for the Chevron:
- 14K white gold at $700: Best value. 14K wears well, looks clean, stacks beautifully.
- 14K rose gold at $700: Best for warm-skin-tone wearers; the V shape in rose gold is the most popular stacking combination for bridal sets.
- Platinum at $1,085: Best long-term investment. Platinum is hypoallergenic, more durable than gold, and the prongs won't wear down around diamonds the way gold eventually does. At 30% off from $1,550, this is the right pick for someone who buys once and keeps it decades.
Diamond weight: 1/6 ct. tw. — these are accent diamonds, not center stones. The diamonds line the chevron to add sparkle to what is fundamentally a band ring. The look is elegant and understated, not flashy.
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Round and Baguette Diamond Fashion Rings — The Full Lineup
These fashion rings feature a combination of round and baguette-cut diamonds — the mixed-cut combination gives the rings more texture and dimension than a single-cut design. All options are 30% off across the board.
14K Gold Options
| Metal | Original Price | Sale Price | Item # | Link |
|---|---|---|---|---|
| 14K White Gold | $1,162 | 288630 | View → | |
| 14K Yellow Gold | $1,162 | 288631 | View → | |
| 14K Rose Gold | $1,162 | 288632 | View → |
18K Gold and Platinum Options
| Metal | Original Price | Sale Price | Item # | Link |
|---|---|---|---|---|
| 18K Yellow Gold | $1,302 | 288634 | View → | |
| 18K White Gold | $1,302 | 288633 | View → | |
| Platinum | $1,547 | 288635 | View → |
Diamond weight: 1/3 ct. tw. — significantly more diamond presence than the chevron rings. The baguette-and-round combination gives this ring a vintage-inspired look (baguettes were a staple of Art Deco jewelry) with modern setting quality.
At $1,162–$1,547 (all 30% off), these represent solid value for the diamond weight and metal content. The platinum version at $1,547 (down from $2,210) is the strongest value proposition if you want a statement fashion ring you'll wear for years.
Infinity Ring vs. Chevron Ring vs. Fashion Ring: Which to Buy?
| Ring Type | Best For | Price Range | Key Feature |
|---|---|---|---|
| Birthstone Infinity | Gifting, meaningful symbolism | $495–$505 | 11 gemstone options, 14K gold |
| Classic Infinity (Petite) | Everyday stacking, subtle diamond sparkle | $1,167–$1,425 | Diamond-set infinity motif, clearance deals available |
| Chevron Stacker | Bridal stacking, pairing with engagement rings | $700–$1,085 (on sale) | V-shaped, nests against other rings naturally |
| Round & Baguette Fashion | Statement fashion ring, right-hand wear | $1,162–$1,547 (on sale) | Mixed-cut diamonds, vintage-inspired aesthetic |
| Zac Zac Posen Twisting | Gift, statement ring, designer collaboration | $1,144 (on sale) | 14 reviews, most validated by real buyers |
If you're buying as a gift: Birthstone infinity ring ($495–$505). No other category at Blue Nile gives you this combination of symbolic meaning, fine jewelry quality, and accessible price.
If you're stacking with an engagement ring: Chevron ring in your existing metal, 14K version at $700 is the clear choice.
If you want one ring that stands alone: Zac Zac Posen Twisting Diamond Ring at $1,144. Best review count, designer credibility, strong discount.
If you're a platinum buyer: Round and Baguette Platinum at $1,547 (from $2,210) or Chevron Platinum at $1,085 (from $1,550).
3 Criticisms of Blue Nile's Infinity Ring Catalog
1. No review data on most pieces. The Zac Zac Posen ring has 14 reviews. The Open Infinity rings have 2 each. The birthstone collection has 3 each. Everything else has zero buyer reviews. For a category this size, the lack of review volume makes it hard to validate quality beyond Blue Nile's standard guarantees. You're relying on brand reputation and return policy rather than buyer feedback.
2. Birthstone collection is missing four birth months. April (white topaz instead of diamond), November (blue topaz or citrine instead of topaz), March (aquamarine ✓), and no option for May in a cool metal. More importantly: there's no December birthstone (turquoise/blue topaz/tanzanite), no June (pearl/alexandrite/moonstone), and no September (sapphire is there ✓). The collection covers 11 of 12 months — but the gaps mean some buyers will come up empty for their specific birth month looking for a "traditional" stone.
3. No engraving or personalization on the infinity motif itself. The Initial Signet Ring category allows 26-letter personalization. Nothing in the infinity ring category allows you to add a date, initials, or inscription to the ∞ symbol or band interior. For a ring category this explicitly tied to meaning and relationship milestones, the absence of any personalization option is a real gap.
Frequently Asked Questions
What is an infinity ring? An infinity ring is a ring designed around the ∞ (infinity) symbol, representing endless love, connection, or commitment. It's distinct from an eternity ring, which features stones all the way around the band without a specific symbolic motif.
Is an infinity ring a promise ring? It can be. Infinity rings are given as promise rings, anniversary gifts, friendship rings, and mother-child gifts. The symbolism is broad enough to fit most meaningful relationships — it's not exclusively romantic.
What finger do you wear an infinity ring on? There's no rule. Most wearers put them on the right ring finger (to distinguish from a wedding ring on the left), but infinity rings work on any finger. If you're stacking with a wedding set, chevron infinity rings go on the left ring finger nested against the engagement ring.
Are Blue Nile infinity rings real gold? Yes. All pieces in this review are 14K or 18K gold (or platinum). No gold-filled, gold-plated, or vermeil in this catalog.
Are the gemstones in Blue Nile's birthstone infinity rings natural? Blue Nile does not specify lab vs. natural for the colored stones in the $495–$505 birthstone collection. At that price in 14K gold, the stones are likely natural (lab-grown colored stones don't carry significant cost savings at small sizes). Contact Blue Nile's customer service to confirm before purchase if this matters to you.
What's the difference between the Petite Infinity and the Open Infinity? The Petite Infinity has a filled infinity symbol with diamonds set across the full loop. The Open Infinity has a negative space in the center of the loop — the design reads as lighter and more airy. Both are $1,167–$1,425 range. The Open version is more modern-looking; the Petite is more traditional.
Can I stack a chevron ring with my engagement ring? Yes — that's exactly what they're designed for. The V-shape of the chevron nestles naturally against a solitaire or halo engagement ring without crowding it. Choose the same metal as your engagement ring for the cleanest look, or mix metals deliberately for a modern layered effect.
Is the Zac Zac Posen ring worth the price? At $1,144 (30% off $1,635), yes — especially given the 14 buyer reviews validating real purchase activity. For a designer collaboration ring in 14K white gold with diamond accents and a distinctive twisting design, $1,144 is a fair price. At full retail of $1,635, it would need more scrutiny.
What's the difference between baguette and round diamonds? Round diamonds are cut with 57 or 58 facets to maximize sparkle — they're the most brilliant cut. Baguette diamonds are rectangular step-cut stones with fewer facets, which produces a cleaner, more geometric look with less fire but more elegance. The round-and-baguette combination gives you both sparkle and architectural structure.
Does Blue Nile offer returns on infinity rings? Yes — 30-day returns on all fine jewelry, no questions asked. Resizing is typically free within 30 days. Confirm current policy on their website before purchase as terms can change.
Which infinity ring is the best value overall? For a gift: JA Birthstone Infinity Ring at $495–$505. For yourself: Stackable Diamond Chevron in 14K at $700 (30% off) or the Petite Infinity Diamond Ring at $1,167 (35% off). For one statement piece: Zac Zac Posen Twisting Diamond Ring at $1,144.
Does Blue Nile ship internationally? Yes, Blue Nile ships to over 40 countries. International shipping timelines and duties vary by destination. Check their shipping page for your country.
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Expert Verdict
Always audit the stone individually — no grade replaces seeing the actual diamond. The certificate tells you what to look for. Your eyes tell you whether to buy.
— Farzana Hasan, GIA Expert · DiamondCritics.com
