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Cushion|Lab Grown|IGI

1.54ct F IF Cushion Lab Grown Diamond

ID • F/IF • IGI LG688501922

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG688501922

Diamond specifications and retailer prices

From £285 GBP
As of November 6, 2026
Save £1,830 GBP (87%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,114 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG688501922 or 688501922. Listed at 7 retailers as of November 6, 2026, with prices from £285 to £2,114, a £1,830 spread on the same certified stone. Do Amore Diamonds lists it at £2,114. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688501922
Dimensions8.05 × 5.87 × 3.91 mm
L/W Ratio1.37
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
8.05 mm5.87 mm1.54 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688501922
Side View
Table 58.0%Crown 35.5°Girdle: MED-VTKPavilion 36.1°Culet: NoneDepth 66.6%

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 6
Current: £2,114 GBP|Low: £285 GBP|High: £2,256 GBP|Avg: £905 GBP|-6.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7£285 GBP
Retailer 2£332 GBP
Retailer 6£480 GBP
Retailer 5£482 GBP
Retailer 8£720 GBP
Retailer 4£764 GBP
Retailer 3£1,267 GBP
Do Amore Diamonds£2,114 GBP

43 data points across 8 retailers

7 retailers£285 GBP to £2,114 GBP

A
Cheapest Retailer
-
£285 GBP
Final sale: no returns
A
Retailer 2
-
£332 GBP
View
A
Retailer 3
-
£480 GBP
View
A
Retailer 4
-
£482 GBP
View
A
Retailer 5
-
£764 GBP
View
B+
Retailer 6
-
£1,267 GBP
View
Most Expensive
B+
Do Amore Diamonds
27-E7F984253 · Nov 6
£2,114 GBP
$2,830 USD
View
6 more retailers have this diamond
Prices start from £285 GBPSave up to £1,830 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
£285 GBP