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Cushion|Lab Grown|IGI

1.54ct G VVS1 Cushion Lab Grown Diamond

ID • G/VVS1 • IGI LG799623589

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG799623589

Diamond specifications and retailer prices

From £369 GBP
As of November 4, 2026
Save £523 GBP (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £892 GBP at With Clarity · As of November 5, 2026
View at With Clarity

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG799623589 or 799623589. Listed at 9 retailers as of November 4, 2026, with prices from £369 to £892, a £523 spread on the same certified stone. With Clarity lists it at £892. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799623589
Dimensions6.68 × 6.63 × 4.29 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
6.68 mm6.63 mm1.54 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799623589
Side View
Table 66.0%Crown 36.4°Girdle: MED-THKPavilion 37.4°Culet: NoneDepth 64.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £410 GBP|Low: £351 GBP|High: £889 GBP|Avg: £552 GBP|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5£369 GBP
Retailer 6£406 GBP
Retailer 1£410 GBP
Retailer 4£414 GBP
Retailer 7£490 GBP
Retailer 8£743 GBP
Retailer 3£784 GBP
Retailer 2£876 GBP

43 data points across 8 retailers

9 retailers£369 GBP to £892 GBP

A
Cheapest Retailer
-
£369 GBP
A
Retailer 2
-
£406 GBP
View
A
Retailer 3
-
£410 GBP
View
A
Retailer 4
-
£414 GBP
View
B+
Retailer 5
-
£490 GBP
View
B+
Retailer 6
-
£743 GBP
View
B+
Retailer 7
-
£784 GBP
View
B+
Retailer 8
-
£876 GBP
View
Most Expensive
B
With Clarity
799623589 · Nov 5
£892 GBP
$1,201 USD
View
8 more retailers have this diamond
Prices start from £369 GBPSave up to £523 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
1.54ct Cushion
£369 GBP