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Cushion|Lab Grown|IGI

1.03ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG653410731

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG653410731

Diamond specifications and retailer prices

From £193 GBP
$259 USD
As of November 1, 2026
Save £1,066 GBP (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,259 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG653410731 or 653410731. Listed at 10 retailers as of November 1, 2026, with prices from £193 to £1,259, a £1,066 spread on the same certified stone. Do Amore Diamonds lists it at £1,259. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653410731
Dimensions6.89 × 5.47 × 3.61 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm5.47 mm1.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653410731
Side View
Table 64.0%Crown 32.2°Girdle: MED-THKPavilion 38.2°Culet: NoneDepth 66.0%

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: Nov 1
Current: £1,259 GBP|Low: £193 GBP|High: £1,259 GBP|Avg: £500 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9£193 GBP
Retailer 7£289 GBP
Retailer 4£310 GBP
Retailer 3£328 GBP
Retailer 8£342 GBP
Retailer 6£361 GBP
Retailer 2£438 GBP
Retailer 10£706 GBP
Retailer 5£839 GBP
Do Amore Diamonds£1,259 GBP

41 data points across 10 retailers

10 retailers£193 GBP to £1,259 GBP

A
Cheapest Retailer
-
£193 GBP
$259 USD
A
Retailer 2
-
£289 GBP
$388 USD
View
A
Retailer 3
-
£310 GBP
ZAR 6,723 ZAR
View
B+
Retailer 4
-
£328 GBP
View
B+
Retailer 5
-
£342 GBP
$459 USD
View
B+
Retailer 6
-
£361 GBP
$485 USD
View
B+
Retailer 7
-
£438 GBP
A$904 AUD
View
B
Retailer 8
-
£706 GBP
$948 USD
View
B
Retailer 9
-
£839 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C6BE3A34A · Nov 2
£1,259 GBP
$1,690 USD
View
9 more retailers have this diamond
Prices start from £193 GBPSave up to £1,066 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
£193 GBP