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Cushion|Lab Grown|IGI

1.03ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG607321890

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG607321890

Diamond specifications and retailer prices

From £157 GBP
$211 USD
As of November 3, 2026
Save £706 GBP (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,349 GBP at Do Amore Diamonds · As of November 3, 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 LG607321890 or 607321890. Listed at 14 retailers as of November 1, 2026, with a 449% 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

1.03
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607321890
Dimensions6.76 × 5.38 × 3.75 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.76 mm5.38 mm1.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607321890
Side View
Table 63.0%Crown 37.8°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 69.7%

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 3
Current: £1,349 GBP|Low: £157 GBP|High: £1,349 GBP|Avg: £511 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
Retailer 13
November 3, 2026
Retailer 12£157 GBP
Retailer 10£174 GBP
Retailer 5£234 GBP
Retailer 11£237 GBP
Retailer 4£253 GBP
Retailer 7£332 GBP
Retailer 2£352 GBP
Retailer 6£471 GBP
Retailer 9£738 GBP
Retailer 3£750 GBP
Retailer 8£771 GBP
Retailer 13£863 GBP
Do Amore Diamonds£1,349 GBP

42 data points across 13 retailers

14 retailers£157 GBP to £863 GBP

A
Cheapest Retailer
-
£157 GBP
$211 USD
Final sale: no returns
Retailer 2
-
£174 GBP
$234 USD
View
Price last confirmed 9 days ago
A
Retailer 3
-
£195 GBP
$262 USD
View
A
Retailer 4
-
£234 GBP
$314 USD
View
A
Retailer 5
-
£253 GBP
$340 USD
View
A
Retailer 6
-
£332 GBP
ZAR 7,207 ZAR
View
B+
Retailer 7
-
£352 GBP
View
B+
Retailer 8
-
£471 GBP
A$972 AUD
View
B
Retailer 9
-
£738 GBP
$990 USD
View
B
Retailer 10
-
£747 GBP
$1,003 USD
View
B
Retailer 11
-
£750 GBP
View
B
Retailer 12
-
£771 GBP
View
B
Retailer 13
-
£863 GBP
$1,159 USD
View
Most Expensive
Do Amore Diamonds
27-34904D56E · Nov 3
£1,349 GBP
$1,810 USD
View
Price under review
13 more retailers have this diamond
Prices start from £157 GBPSave up to £706 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
£157 GBP