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Cushion|Lab Grown|IGI

1.02ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG640490234

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG640490234

Diamond specifications and retailer prices

From £156 GBP
$209 USD
As of November 1, 2026
Save £704 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,341 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG640490234 or 640490234. Listed at 14 retailers as of November 1, 2026, with a 452% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640490234
Dimensions7.36 × 5.16 × 3.57 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm5.16 mm1.02 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640490234
Side View
Table 63.0%Crown 35.7°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 69.2%

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: Nov 1
Current: £1,341 GBP|Low: £156 GBP|High: £1,341 GBP|Avg: £472 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9£156 GBP
Retailer 11£173 GBP
Retailer 4£232 GBP
Retailer 8£235 GBP
Retailer 12£252 GBP
Retailer 5£330 GBP
Retailer 2£352 GBP
Retailer 7£466 GBP
Retailer 3£750 GBP
Retailer 6£765 GBP
Retailer 10£860 GBP
Do Amore Diamonds£1,341 GBP

41 data points across 12 retailers

14 retailers£156 GBP to £860 GBP

A
Cheapest Retailer
-
£156 GBP
$209 USD
Final sale: no returns
Retailer 2
-
£173 GBP
$232 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
£192 GBP
$257 USD
View
A
Retailer 4
-
£232 GBP
$312 USD
View
Retailer 5
-
£235 GBP
View
Price last confirmed 17 days ago
A
Retailer 6
-
£252 GBP
$338 USD
View
A
Retailer 7
-
£330 GBP
ZAR 7,146 ZAR
View
B+
Retailer 8
-
£352 GBP
View
B+
Retailer 9
-
£466 GBP
A$963 AUD
View
B
Retailer 10
-
£742 GBP
$996 USD
View
B
Retailer 11
-
£750 GBP
View
B
Retailer 12
-
£765 GBP
View
B
Retailer 13
-
£860 GBP
$1,154 USD
View
Most Expensive
Do Amore Diamonds
27-3B08C4933 · Nov 1
£1,341 GBP
$1,800 USD
View
Price under review
13 more retailers have this diamond
Prices start from £156 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
1.02ct Cushion
£156 GBP