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Cushion|Lab Grown|IGI

1.03ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG629454670

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG629454670

Diamond specifications and retailer prices

From £153 GBP
$204 USD
As of October 28, 2026
Save £704 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £857 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629454670 or 629454670. Listed at 16 retailers as of October 28, 2026, with prices from £153 to £857, a £704 spread on the same certified stone. Reve Diamonds lists it at £857. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629454670
Dimensions5.92 × 5.86 × 3.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.92 mm5.86 mm1.03 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629454670
Side View
Table 62.0%Crown 35.6°Girdle: STK-THKPavilion 39°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £308 GBP|Low: £137 GBP|High: £870 GBP|Avg: £401 GBP|+8.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Reve Diamonds
October 28, 2026
Retailer 4£153 GBP
Retailer 11£215 GBP
Retailer 2£252 GBP
Retailer 8£270 GBP
Retailer 7£294 GBP
Retailer 6£299 GBP
Retailer 5£302 GBP
Retailer 1£308 GBP
Retailer 14£407 GBP
Retailer 9£417 GBP
Retailer 13£454 GBP
Retailer 3£590 GBP
Retailer 10£800 GBP
Retailer 12£803 GBP
Reve Diamonds£857 GBP

33 data points across 15 retailers

16 retailers£153 GBP to £857 GBP

A
Cheapest Retailer
-
£153 GBP
$204 USD
Final sale: no returns
Retailer 2
-
£215 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
£252 GBP
$335 USD
View
A
Retailer 4
-
£270 GBP
€342 EUR
View
A
Retailer 5
-
£294 GBP
ZAR 6,316 ZAR
View
Retailer 6
-
£299 GBP
View
Price last confirmed 21 days ago
B+
Retailer 7
-
£302 GBP
$402 USD
View
B+
Retailer 8
-
£308 GBP
View
B+
Retailer 9
-
£407 GBP
$542 USD
View
B+
Retailer 10
-
£417 GBP
A$854 AUD
View
B+
Retailer 11
-
£454 GBP
$605 USD
View
Retailer 12
-
£480 GBP
$640 USD
View
B
Retailer 13
-
£590 GBP
$786 USD
View
B
Retailer 14
-
£800 GBP
View
B
Retailer 15
-
£803 GBP
$1,070 USD
View
Most Expensive
B
Reve Diamonds
15E82E2BE · Oct 28
£857 GBP
$1,141 USD
View
15 more retailers have this diamond
Prices start from £153 GBPSave up to £704 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.03ct Cushion
£153 GBP