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Cushion|Lab Grown|IGI

1.03ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG852609309

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG852609309

Diamond specifications and retailer prices

From £181 GBP
HK$1,900 HKD
As of November 1, 2026
Save £551 GBP (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £733 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG852609309 or 852609309. Listed at 7 retailers as of November 1, 2026, with prices from £181 to £733, a £551 spread on the same certified stone. MOH London lists it at £733. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG852609309
Dimensions7.13 × 5.33 × 3.53 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.13 mm5.33 mm1.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG852609309
Side View
Table 63.0%Crown 33.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
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: Nov 1
Current: £733 GBP|Low: £181 GBP|High: £733 GBP|Avg: £342 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6£181 GBP
Retailer 2£192 GBP
Retailer 4£281 GBP
Retailer 3£382 GBP
Retailer 5£426 GBP
MOH London£733 GBP

3 data points across 6 retailers

7 retailers£181 GBP to £733 GBP

A
Cheapest Retailer
-
£181 GBP
HK$1,900 HKD
A
Retailer 2
-
£192 GBP
View
A
Retailer 3
-
£281 GBP
$377 USD
View
B+
Retailer 4
-
£382 GBP
A$789 AUD
View
B+
Retailer 5
-
£426 GBP
SGD 772 SGD
View
B
Retailer 6
-
£529 GBP
$710 USD
View
Most Expensive
B
MOH London
LG852609309 · Nov 1
£733 GBP
View
6 more retailers have this diamond
Prices start from £181 GBPSave up to £551 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
£181 GBP