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Cushion|Lab Grown|IGI

1.03ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG715592059

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG715592059

Diamond specifications and retailer prices

From £134 GBP
$178 USD
As of October 28, 2026
Save £670 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £803 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG715592059 or 715592059. Listed at 16 retailers as of October 28, 2026, with prices from £134 to £803, a £670 spread on the same certified stone. Brilliant Earth lists it at £803. 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 angle31.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715592059
Dimensions5.93 × 5.79 × 3.90 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.93 mm5.79 mm1.03 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715592059
Side View
Table 64.0%Crown 31.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 67.4%

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: £803 GBP|Low: £134 GBP|High: £810 GBP|Avg: £367 GBP
Brilliant Earth
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
Retailer 15
October 28, 2026
Retailer 5£134 GBP
Retailer 14£148 GBP
Retailer 13£187 GBP
Retailer 3£245 GBP
Retailer 9£255 GBP
Retailer 2£259 GBP
Retailer 6£268 GBP
Retailer 10£270 GBP
Retailer 8£282 GBP
Retailer 11£361 GBP
Retailer 15£387 GBP
Retailer 4£518 GBP
Retailer 12£694 GBP
Retailer 7£799 GBP
Brilliant Earth£803 GBP

33 data points across 15 retailers

16 retailers£134 GBP to £803 GBP

A
Cheapest Retailer
-
£134 GBP
$178 USD
Final sale: no returns
A
Retailer 2
-
£148 GBP
$197 USD
View
Retailer 3
-
£187 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£245 GBP
$326 USD
View
A
Retailer 5
-
£255 GBP
ZAR 5,477 ZAR
View
A
Retailer 6
-
£259 GBP
View
A
Retailer 7
-
£268 GBP
$357 USD
View
A
Retailer 8
-
£270 GBP
€342 EUR
View
A
Retailer 9
-
£282 GBP
View
B+
Retailer 10
-
£361 GBP
A$740 AUD
View
B+
Retailer 11
-
£387 GBP
$516 USD
View
Retailer 12
-
£480 GBP
$640 USD
View
B+
Retailer 13
-
£518 GBP
$690 USD
View
B
Retailer 14
-
£694 GBP
View
B
Retailer 15
-
£799 GBP
$1,064 USD
View
Most Expensive
B
Brilliant Earth
14871798A · Oct 29
£803 GBP
$1,070 USD
View
15 more retailers have this diamond
Prices start from £134 GBPSave up to £670 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
£134 GBP