Lab Grown 1.00 CT Cushion Cut Diamond Solitaire Ring

$919

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Taxes included. Shipping calculated at checkout.

Engagement Ring and Wedding Ring

Finish : White

Metal : Silver

Silver 919 10K 1,099 14K 1,149 18K 1,249

Ring Size

Free first resize available.

Add EngravingFREE

Handcrafted in workshop
Free shipping and insurance
Lifetime service warranty

Made to Order

Want something a little different?

Usually replies in under 30 minutes

Overview

For a first diamond purchase, a 1.00 carat cushion solitaire is the recommendation we give most often: soft corners, big face, nothing to date it. The lab grown center stone measures 6.50 x 5.35 mm, grades D/E with VVS2–VS1 clarity, and arrives with its original IGI certificate. Set it in silver or 10k, 14k, or 18k white, yellow, or rose gold. Plenty of couples also order this engagement ring as a wedding ring outright. Made to order in our workshop, two to three weeks.

Specification

Stone: Lab Grown Diamond
Shape : Cushion
Carat : 1 Ct
Measurement: 6.50 x 5.35 MM
Color: D/E
Clarity: VVS2 - VS1

Materials

Silver
Gold (10k, 14k, 18k )
White Gold, Yellow Gold, Rose Gold

Shipping, Return & Warranty

Free Shipping
Enjoy free worldwide shipping on all orders. Read our full policy.

Return & Exchange Policy
We offer returns & exchanges. Read our full policy.

Warranty Policy
We offer a lifetime service warranty on all our jewelry. Read our full policy.

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Sub Total

$919

Find Your Ring Size

Getting the size right is the one thing worth slowing down for. It only takes a few minutes at home, and we are here if you get stuck. Here is everything you need.

Quick size finder

Already measured your finger or a ring you own? Pop the number in and we will tell you your size.

Your measurement

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Your closest size is

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Three easy ways to measure at home

Pick whichever is easiest with what you have lying around. If you can, try two methods and compare, it is the surest way to land on the right number.

Method 1

Measure a ring you already own

This is the most reliable way, especially if you are buying a surprise gift.

You will need: a ring that already fits, plus a ruler with millimeters

Take a ring that fits the finger you have in mind. Lay it flat.
Measure straight across the inside, from one inner edge to the other. That distance in millimeters is your inside diameter.
Type that number into the Quick size finder above, or find it in the chart.

💡Tip. A digital caliper gives the cleanest reading, but a clear plastic ruler held over the ring works just fine.

Method 2

Wrap your finger with string

No ring handy? All you need is a bit of string or paper.

You will need: string, thread, or a thin strip of paper, plus a ruler

Wrap the string snugly around the base of your finger, where the ring will actually sit.
Mark the spot where the end meets the rest of the string.
Lay it flat against your ruler and measure the length in millimeters. That is your circumference.
Drop that number into the Quick size finder above and switch the menu to "mm around."

💡Tip. Snug, not tight. Pulling the string too hard gives you a size that will feel pinchy by mid-afternoon.

Complete US ring size chart

Every size from 3 to 13, in quarter steps, the way we craft them. Match your measurement to the row, or search for a number.

US Size	Diameter (mm)	Circumference (mm)

Diameter is the distance straight across the inside of the band. Circumference is the length all the way around. Both are measured on the inside of the ring.

Tips for the perfect fit

A few small things make a real difference between a ring you notice all day and one you forget you are wearing.

Measure at the end of the day

Fingers swell a little as the hours pass. An evening measurement gives you a fit that stays comfortable from morning to night.

Check the right hand

Your dominant hand usually runs a touch larger. Measure the exact finger on the exact hand the ring is meant for.

Mind a wide band

Wider bands, around 3mm and up, sit tighter than thin ones. If your ring has a wide band, go up by a quarter to half a size.

Watch the weather

Cold shrinks your fingers, heat swells them. Measure at room temperature for the truest read.

When you are between sizes, size up

A slightly loose ring is an easy fix. A ring that will not pass the knuckle is a harder one. If you are torn between two sizes, take the larger.

💍If your size lands wrong, we make it right. Free resizing in your first 7 days, you just cover return shipping. See our Resizing Policy for the details.

Still not sure? We do this every day.

Send us your measurement and we will confirm your size before you order. A two minute chat usually settles it.

Email: info@ibizjewel.com

Phone: +1 (226) 899-3014

Rings Workshop

Every IBIZ Jewel ring is handcrafted in our workshop after you place your order. That’s why we take 2–3 weeks and why each piece arrives feeling made for exactly one person. Because it is.

Hands at bench

Stone being set

Final polish

Customers praised this 1ct cushion cut lab-grown diamond solitaire for its sparkle and realistic appearance. Many said "you can't tell it's not real" and noted "1 carat is the perfect size." Shoppers appreciated the value and lifetime warranty. Most found sizing accurate, though half sizes aren't available. Some concerns: one claw snagged fabric, band flexibility worried one customer, and delivery delays frustrated two shoppers.

5 stars: 41 (72%)
4 stars: 11 (19%)
3 stars: 3 (5%)
2 stars: 1 (2%)
1 star: 1 (2%)

Almost didn't order, price put me off. The lifetime warranty sold me.

she was over the moon. a size 5.5 fit me perfectly. constant comments.

The 14k yellow gold is beautiful

I'm a physio so my hands are on people all day. My mum asked if it was real. 1 ct wears bigger than it sounds. Customer service was brilliant. The packaging was really pretty. A size 9 was spot on for me. My work ring now. Thank you ibizjewel!!
Sincerely, Pamela

IT DOESNT COME IN HALF SIZES SO I ADDED A SPACER BAND AND ITS FINE NOW. SURVIVES DAILY WEAR. I CRIED WHEN I OPENED THE BOX, WHICH I WAS NOT EXPECTING TO DO. EVERYONE ASKS ME ABOUT IT. ITS DAINTY AND I LOVE THAT. I WAS NERVOUS BUYING JEWELRY ONLINE. THE POUCH IT CAME IN IS VERY THIN!

Worth the wait

My fiance loves it. Almost didn't order, price put me off. Brilliant value. A size 5 was spot on for me. My work ring now. I am left handed so I wear mine on the right, nobody ever notices.

Fast delivery and a beautiful engagement ring.

survives daily wear!

Looks so real. Really helpful when I emailed. Order your true size. We saved a fortune.

one claw was clearly not filed down. it snagged my scarf the first day. a jeweler confirmed it was a poor finish.

Claire, were sorry. Weve added a second check on every setting before it ships. Get in touch and well put yours right free of charge under the warranty.

my mum asked if it was real. arrived quickly honestly. thanks for everything!!

amazing!! 💍✨

Really pleased with this, it has survived a toddler, a house move and a bachelorette! ⭐️
- Aoife

cannot fault it!! 😊

Obsessed!

The cushion is gorgeous

Perfect travel ring. Order your true size. Wish theyd shown it on a real hand.

My work ring now. The solitaire setting is lovely. The polished band smudges a little with wear, wipes right off.

a size 7.5 was spot on for me. quick, well tracked delivery. i was nervous buying jewellery online. prettier in person!

the cushion is beautiful. seriously, a year in and it still sparkles. she said yes!

The cushion cut itself is gorgeous and I do like it. The band has a bit of flex in it, which makes me nervous.

Thank you Michael, thats genuinely useful. A heavier shank is something our workshop can do, and youre right that we dont make that clear enough on the listing. Were adding it as a proper option. Email info@ibizjewel.com and well talk you through what it would involve for yours.

Stunning engagement ring.

came fast. honestly, perfect for traveling. incredible value. i'd have liked to see it on a hand first.

So happy with it, worth every penny.

Fast delivery and a beautiful ring. Id have liked a warranty card!

exactly as described!

Photos don't do it justice. She said yes!

Beautiful ring

Quick, well tracked delivery. The cushion is lovely. She said yes.

id size up if youre between sizes. my third piece from them. thank you for the lovely packaging.

Michelle, thanks for the review and for choosing us.

Wear it every single day!

Beautiful, almost didnt order, price put me off, the cushion is beautiful!

Worn daily, no tarnish. Prettier in person. Ill definitely buy from here again.

the box made me cry a bit

still looks brand new. order your true size.

i'm happy with what i got. i had to chase them twice for an update and waited days each time.

Thanks Isabella. Chasing us twice isnt the experience we want. Weve put a second person on the inbox so replies dont sit. Glad the piece itself landed well.

Fits true to size.
Sincerely, Noah

COMPLIMENTS EVERY SINGLE WEEK. ILL DEFINITELY BUY FROM HERE AGAIN.

FAQs

Yes, lab grown diamonds are entirely real. They share the exact same physical, chemical, and optical properties as natural diamonds. The only difference is their origin; they are created in a controlled environment using advanced technology rather than being mined from the earth.

Because they are genuine diamonds, lab grown stones score a perfect 10 on the Mohs hardness scale. This makes them incredibly resilient against scratches and chips, offering the exact same lifelong durability as natural diamonds.

Yes. Because they have the same carbon structure as mined stones, lab grown diamonds will pass traditional diamond tester tools. Only highly specialized laboratory equipment can distinguish the growth patterns between a lab-created and an earth-mined stone.

No, a lab grown diamond will never cloud, fade, or lose its brilliance. Just like a mined diamond, its sparkle is permanent. Routine cleaning is all that is needed to remove everyday oils and keep the stone looking pristine.

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Lab Grown 1.00 CT Cushion Cut Diamond Solitaire Ring