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Cushion|Lab Grown|IGI

1.02ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG830673113

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

Certificate IGI LG830673113

Diamond specifications and retailer prices

From £155 GBP
$207 USD
As of October 28, 2026
Save £705 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £861 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.02ct lab-grown cushion diamond

This 1.02ct 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 LG830673113 or 830673113. Listed at 18 retailers as of October 28, 2026, with prices from £155 to £861, a £705 spread on the same certified stone. Reve Diamonds lists it at £861. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830673113
Dimensions5.81 × 5.57 × 3.64 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.81 mm5.57 mm1.02 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830673113
Side View
Table 62.0%Crown 34.9°Girdle: STK-THKPavilion 34.7°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £311 GBP|Low: £155 GBP|High: £815 GBP|Avg: £388 GBP|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 4£155 GBP
Retailer 6£217 GBP
Retailer 12£233 GBP
Retailer 5£287 GBP
Retailer 7£296 GBP
Retailer 1£311 GBP
Retailer 3£352 GBP
Retailer 9£420 GBP
Retailer 11£439 GBP
Retailer 8£456 GBP
Retailer 2£796 GBP
Retailer 10£807 GBP

40 data points across 12 retailers

18 retailers£155 GBP to £861 GBP

A
Cheapest Retailer
-
£155 GBP
$207 USD
Final sale: no returns
A
Retailer 2
-
£192 GBP
HK$2,000 HKD
View
A
Retailer 3
-
£217 GBP
View
A
Retailer 4
-
£233 GBP
$310 USD
View
A
Retailer 5
-
£248 GBP
$330 USD
View
A
Retailer 6
-
£287 GBP
€364 EUR
View
A
Retailer 7
-
£296 GBP
ZAR 6,367 ZAR
View
A
Retailer 8
-
£311 GBP
View
B+
Retailer 9
-
£352 GBP
$469 USD
View
B+
Retailer 10
-
£420 GBP
A$861 AUD
View
B+
Retailer 11
-
£439 GBP
$585 USD
View
B+
Retailer 12
-
£456 GBP
A$935 AUD
View
B+
Retailer 13
-
£469 GBP
SGD 844 SGD
View
B
Retailer 14
-
£577 GBP
$768 USD
View
B
Retailer 15
-
£595 GBP
$792 USD
View
B
Retailer 16
-
£796 GBP
$1,060 USD
View
B
Retailer 17
-
£807 GBP
View
Most Expensive
B
Reve Diamonds
2DFB0E812 · Oct 28
£861 GBP
$1,146 USD
View
17 more retailers have this diamond
Prices start from £155 GBPSave up to £705 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
1.02ct Cushion
£155 GBP