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4.50 Ct D-E Color VS1 Round Lab Diamond Eternity Ring, in white gold, front view
4.50 Ct D-E Color VS1 Round Lab Diamond Eternity Ring, in white gold, front view
4.50 Ct D-E Color VS1 Round Lab Diamond Eternity Ring, in white gold, side profile
4.50 Ct D-E Color VS1 Round Lab Diamond Eternity Ring, in white gold, side profile
4.50 Ct D-E Color VS1 Round Lab Diamond Eternity Ring, in white gold, 360 spin
4.50 Ct D-E Color VS1 Round Lab Diamond Eternity Ring, in white gold, 360 spin
4.50 Ct D-E Color VS1 Round Lab Diamond Eternity Ring, in white gold, 360 spin

4.50 Ct D-E Color VS1 Round Lab-Grown Diamond Eternity Ring

Sale price$1,995.00 Regular price$2,800.00

4.50 total carat weight

Round

See what customers say about Zack & Elle

Metal Type:

Metal Type
Metal Color:White
Ring Size:
Ring Size Guide

Ordering a ring online shouldn't mean guessing. This guide covers the accurate ways to find your ring size at home, a full US size chart with millimeter measurements, and the fitting rules our NYC jewelers use every day. Every Zack & Elle ring is available in quarter sizes from 4 to 9 for a precise fit.

US Ring Size Chart (with millimeters)

US Size Inside Diameter (mm) Inside Circumference (mm)
4 14.9 46.8
4.5 15.3 48.0
5 15.7 49.3
5.5 16.1 50.6
6 16.5 51.9
6.5 16.9 53.1
7 17.3 54.4
7.5 17.7 55.7
8 18.1 57.0
8.5 18.5 58.3
9 19.0 59.5

Quarter sizes (4.25, 4.75, and so on) fall between the values above — we offer all of them, because a quarter size is often the difference between "fits" and "perfect."

Method 1: Measure a ring that already fits (most accurate at home)

  1. Take a ring that fits the intended finger comfortably.
  2. Measure the inside diameter edge-to-edge with a ruler, as precisely as you can (a caliper is even better).
  3. Match it to the diameter column above. If you're between sizes, choose the quarter size in between.

Method 2: String or paper strip

  1. Wrap a thin strip of paper or non-stretch string snugly around the base of the finger.
  2. Mark where it overlaps, then measure the length in millimeters.
  3. Match it to the circumference column above.

This method is less precise than measuring a ring — do it twice and use the average.

Fitting rules our jewelers actually use

  • Measure at the end of the day. Fingers are smallest in the cold morning and largest in evening warmth — end-of-day is the honest size.
  • The ring should resist slightly at the knuckle going on, and come off with a gentle pull. If it spins freely, it's too big.
  • Wide bands fit tighter. For bands wider than ~6mm (full eternity styles), consider going up a quarter size.
  • Dominant-hand fingers run about a quarter size larger.
  • Don't size for the knuckle alone. If the knuckle is much larger than the finger base, split the difference.

Buying a surprise engagement ring?

  • Borrow a ring she wears on that finger (left ring finger) and use Method 1.
  • Ask a friend or family member who might know — it's the oldest trick because it works.
  • When in doubt, size up. Sizing a ring down later is usually simpler than stretching it up.
  • Still unsure? Call or text us at (646) 532-9004 — we help with surprise sizing every week, and we're a real workshop in NYC's Diamond District, so post-proposal adjustments are handled by the people who made the ring.

Ready when you are

Every engagement ring we make is available in sizes 4–9 including quarter sizes, in 14K gold, 18K gold, or platinum. Browse engagement rings, wedding bands, or best sellers — or call, text, or message us about sizing before you order.

Ring Size

Ships in 5 business days · transit is additional.

Complimentary insured US shipping; signature required. Delivery details

30-day returns on eligible unworn pieces. $75 insured return-label deduction. Full return terms

Choose a ring size above to continue.

Need help choosing?

Compare settings, closures or fit with our team.
4.50 Ct D-E Color VS1 Round Lab Diamond Eternity Ring, in white gold, side profile
4.50 Ct D-E Color VS1 Round Lab-Grown Diamond Eternity Ring Sale price$1,995.00 Regular price$2,800.00

Choose a ring size above to continue.

Diamond Details

ShapeRound
Total Carat Weight4.50 ct
ColorD-E
ClarityVS1

What customers say about Zack & Elle

Reviews of our store and service, collected through Judge.me. Some are shortened for length. Reviews of this specific piece will appear here once customers post them.

★★★★★ Travis Ála
Working with Oren at Zack and Elle was the best decision I made in this entire process. I came in knowing what she meant to me and very little about what I was actually looking for. Oren never once made me feel rushed or sold to. He asked better questions than I knew to ask, taught me what actually mattered versus what just sounds impressive, and helped me find a ring that fit her exactly. The craftsmanship speaks for itself, but what stood out even more was the care. No pressure, no games, no upselling. She said yes. The ring is stunning and she has not stopped looking at it.
★★★★★ Will Kneeland
I wanted to buy my wife an upgrade to her wedding ring set after fourteen years. Beautiful ring and matching band. Picture doesn’t do it justice. I was a little tentative about ordering a ring online, but the process was easy and my wife and I couldn’t be happier. The ring is stunning, the diamonds are top notch quality (D color on center 3ct stone), and I wouldn’t hesitate for a second to buy another diamond set from them.
★★★★★ Jack Quinlan
Absolutely wonderful company to deal with. Oren provided elite service and a great price on a 4.25ct diamond ring. I would-will definitely buy from them again. Five stars all the way!
★★★★★ Amy Hohon
I bought from them and found the size was too small (by my own fault) and the diamond was loose in the setting. Contacted them and within minutes got a response and they were more than accommodating with fixing the setting and resizing my ring. I can’t say enough about how great the communication is. Highly recommend and will buy from them again. The setting is gorgeous.
Read more customer reviews
★★★★★ virginia dowd
Working with Zack and Elle Diamonds was a complete pleasure. My eternity band is beyond what I expected. The quality and detail are amazing and communication with the owners was second to none!
★★★★★ yvonne laiVerified buyer
Love my ring! Way beyond my expectations. Hope to do another purchase soon.
★★★★★ Nachliel Pokroy
Great service, did a beautiful custom job, Highly recommend
★★★★★ Jamin Butcher
I purchased a pair of 6ct lab grown diamond stud earrings for my wife for our 10th anniversary, completely sight unseen through the Zack & Elle website, and we could not be happier. I originally ordered the earrings with screw backs, but the posts did not work well with my wife’s ears. Oren personally called me to discuss our options, and we sent them back to have them reset with jumbo push backs. The entire process could not have gone more smoothly. The quality of the diamonds, the craftsmanship, and especially the customer service exceeded our expectations.
★★★★★ Bruce Miller
Lab grown solitaire diamond earrings, 14K white gold four prong basket with screw on backs, 3.05 CTTW, D color, VS1, IGI. For $995 you're getting a great pair of earrings and photos don't do these earrings justice. Before I found Zack & Elle other stores wanted $1400+ and those were for F color 10K gold push backs.
★★★★★ Hiep Le
Bought 4 pairs 4 carats diamonds earrings, 4 prongs Martini setting, screw back, in Platinum. Oren is a great guy, always keep me informed even when he was on a trip, the shop’s staff was great… all thumbs up.
★★★★★ Jose Egas
Just got the studs, looking amazing. Great service, Oren was very helpful. Thanks
★★★★★ Martha SparksVerified buyer
Beautiful pendant. Receive many compliments. Thanks
★★★★★ Geoffrey Doster
Oren did an amazing job. I was nervous at first as I live in another state but he was able to walk me through the process and it was one of the easiest and quickest I have ever done. I will be a repeat customer.
★★★★★ Daniel Cunningham
Have made several purchases through Zack and Elle's and it's hard to imagine going anywhere else. The service provided is incredible and the jewelry is stunning. I'm a repeat customer for a reason and will continue going back!
★★★★★ Ebony SmithVerified buyer
Beautiful diamonds! Fast and safe shipping! Great Customer Service
★★★★★ anthony pozunVerified buyer
great product wife ecstatic

Free Delivery in the United States

Fully insured FedEx shipping on every order, signature required on delivery.

30-Day Returns

30-day returns on unworn pieces. A $75 insured return-label fee is deducted from your refund.

Family-Owned Support

Two generations in NY's Diamond District. Text, call, or email — real humans.

Secure Payments

Encrypted checkout. Cards, Google Pay, and Shop Pay accepted — with Shop Pay Installments available.