Cushion|Lab Grown|IGI

1.53ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG840611265

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840611265

Diamond specifications and retailer prices

From £172 GBP
As of November 4, 2026
Save £749 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £921 GBP at Brilliant Earth · As of November 4, 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 LG840611265 or 840611265. Listed at 19 retailers as of November 4, 2026, with prices from £172 to £921, a £749 spread on the same certified stone. Brilliant Earth lists it at £921. 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 angle38.1°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840611265
Dimensions6.83 × 6.34 × 4.09 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm6.34 mm1.53 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840611265
Side View
Table 63.0%Crown 38.1°Girdle: MED-THKPavilion 32.9°Culet: NoneDepth 64.5%

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 4
Current: £921 GBP|Low: £171 GBP|High: £1,389 GBP|Avg: £515 GBP|-33.7%
Brilliant Earth
Retailer 2
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Retailer 19
November 5, 2026
Retailer 17£172 GBP
Retailer 11£196 GBP
Retailer 2£222 GBP
Retailer 3£259 GBP
Retailer 7£327 GBP
Retailer 8£329 GBP
Retailer 13£350 GBP
Retailer 12£386 GBP
Retailer 9£436 GBP
Retailer 5£441 GBP
Retailer 4£496 GBP
Retailer 15£577 GBP
Retailer 18£656 GBP
Retailer 10£680 GBP
Retailer 14£717 GBP
Retailer 6£750 GBP
Retailer 16£766 GBP
Retailer 19£906 GBP
Brilliant Earth£921 GBP

28 data points across 19 retailers

19 retailers£172 GBP to £921 GBP

A
Cheapest Retailer
-
£172 GBP
Final sale: no returns
Retailer 2
-
£196 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
£222 GBP
View
B+
Retailer 4
-
£259 GBP
View
A
Retailer 5
-
£327 GBP
View
A
Retailer 6
-
£329 GBP
View
A
Retailer 7
-
£350 GBP
View
A
Retailer 8
-
£386 GBP
View
A
Retailer 9
-
£436 GBP
View
A
Retailer 10
-
£441 GBP
View
B+
Retailer 11
-
£496 GBP
View
B+
Retailer 12
-
£577 GBP
View
B+
Retailer 13
-
£656 GBP
View
Retailer 14
-
£680 GBP
View
Price last confirmed 12 days ago
B+
Retailer 15
-
£717 GBP
View
B+
Retailer 16
-
£750 GBP
View
B+
Retailer 17
-
£766 GBP
View
B
Retailer 18
-
£906 GBP
View
Most Expensive
B
Brilliant Earth
21747442A · Nov 4
£921 GBP
$1,240 USD
View
18 more retailers have this diamond
Prices start from £172 GBPSave up to £749 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
£172 GBP