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Cushion|Lab Grown|IGI

1.53ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG666401583

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG666401583

Diamond specifications and retailer prices

From £364 GBP
As of November 3, 2026
Save £1,025 GBP (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,389 GBP at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG666401583 or 666401583. Listed at 15 retailers as of November 3, 2026, with prices from £364 to £1,389, a £1,025 spread on the same certified stone. Brilliant Earth lists it at £1,389. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666401583
Dimensions7.52 × 6.24 × 4.30 mm
L/W Ratio1.21
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
Top View
7.52 mm6.24 mm1.53 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666401583
Side View
Table 64.0%Crown 35.6°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 68.9%

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: £1,389 GBP|Low: £364 GBP|High: £1,464 GBP|Avg: £634 GBP|-5.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8£364 GBP
Retailer 7£396 GBP
Retailer 3£397 GBP
Retailer 6£412 GBP
Retailer 4£435 GBP
Retailer 5£452 GBP
Retailer 9£554 GBP
Retailer 2£631 GBP
Retailer 11£776 GBP
Retailer 12£939 GBP
Retailer 10£958 GBP
Brilliant Earth£1,389 GBP

41 data points across 12 retailers

15 retailers£364 GBP to £1,389 GBP

A
Cheapest Retailer
-
£364 GBP
A
Retailer 2
-
£396 GBP
View
A
Retailer 3
-
£397 GBP
View
A
Retailer 4
-
£399 GBP
View
A
Retailer 5
-
£412 GBP
View
A
Retailer 6
-
£435 GBP
View
A
Retailer 7
-
£452 GBP
View
Retailer 8
-
£554 GBP
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£631 GBP
View
B+
Retailer 10
-
£739 GBP
View
Retailer 11
-
£776 GBP
View
Price last confirmed 16 days ago
B
Retailer 12
-
£805 GBP
View
B
Retailer 13
-
£939 GBP
View
Retailer 14
-
£958 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
14981570A · Nov 3
£1,389 GBP
$1,870 USD
View
14 more retailers have this diamond
Prices start from £364 GBPSave up to £1,025 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
1.53ct Cushion
£364 GBP