Cushion|Lab Grown|IGI

1.37ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG602311119

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG602311119

Diamond specifications and retailer prices

From £273 GBP
$366 USD
As of October 25, 2026
Save £899 GBP (77%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,172 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.37ct lab-grown cushion diamond

This 1.37ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG602311119 or 602311119. Listed at 6 retailers as of October 25, 2026, with prices from £273 to £1,172, a £899 spread on the same certified stone. Do Amore Diamonds lists it at £1,172. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602311119
Dimensions6.54 × 6.49 × 4.29 mm
L/W Ratio1.01
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
6.54 mm6.49 mm1.37 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602311119
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 66.1%

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: Oct 25
Current: £1,172 GBP|Low: £109 GBP|High: £1,284 GBP|Avg: £593 GBP|-8.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 26, 2026
Retailer 7£145 GBP
Retailer 5£273 GBP
Retailer 2£409 GBP
Retailer 6£553 GBP
Retailer 4£634 GBP
Retailer 3£788 GBP
Do Amore Diamonds£1,172 GBP

20 data points across 7 retailers

6 retailers£273 GBP to £1,172 GBP

B+
Cheapest Retailer
-
£273 GBP
$366 USD
A
Retailer 2
-
£409 GBP
A$843 AUD
View
B+
Retailer 3
-
£553 GBP
$741 USD
View
B+
Retailer 4
-
£634 GBP
$850 USD
View
Retailer 5
-
£788 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-C08AA6E71 · Oct 27
£1,172 GBP
$1,570 USD
View
5 more retailers have this diamond
Prices start from £273 GBPSave up to £899 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
1.37ct Cushion
£273 GBP