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Cushion|Lab Grown|IGI

1.90ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825632251

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825632251

Diamond specifications and retailer prices

From £432 GBP
$575 USD
As of October 28, 2026
Save £3,308 GBP (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,740 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.9ct lab-grown cushion diamond

This 1.9ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825632251 or 825632251. Listed at 16 retailers as of October 28, 2026, with prices from £432 to £3,740, a £3,308 spread on the same certified stone. Brilliant Earth lists it at £3,740. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825632251
Dimensions9.26 × 6.30 × 4.04 mm
L/W Ratio1.47
Girdle conditionFaceted
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
9.26 mm6.30 mm1.90 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825632251
Side View
Table 60.0%Crown 33.3°Girdle: MED-THKPavilion 33.2°Culet: NoneDepth 64.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £3,740 GBP|Low: £418 GBP|High: £3,860 GBP|Avg: £1,204 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
October 30, 2026
Retailer 7£418 GBP
Retailer 3£432 GBP
Retailer 16£631 GBP
Retailer 5£656 GBP
Retailer 9£688 GBP
Retailer 11£717 GBP
Retailer 10£769 GBP
Retailer 2£972 GBP
Retailer 14£1,005 GBP
Retailer 6£1,194 GBP
Retailer 8£1,366 GBP
Retailer 15£1,449 GBP
Retailer 12£1,535 GBP
Retailer 4£1,585 GBP
Retailer 13£2,275 GBP
Brilliant Earth£3,740 GBP

39 data points across 16 retailers

16 retailers£432 GBP to £3,740 GBP

Retailer 1
-
£418 GBP
$556 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£432 GBP
$575 USD
View
Final sale: no returns
A
Retailer 3
-
£631 GBP
$840 USD
View
A
Retailer 4
-
£656 GBP
$873 USD
View
A
Retailer 5
-
£688 GBP
View
A
Retailer 6
-
£717 GBP
ZAR 15,431 ZAR
View
A
Retailer 7
-
£769 GBP
€975 EUR
View
A
Retailer 8
-
£972 GBP
A$1,991 AUD
View
A
Retailer 9
-
£1,005 GBP
$1,339 USD
View
A
Retailer 10
-
£1,194 GBP
$1,590 USD
View
A
Retailer 11
-
£1,366 GBP
$1,819 USD
View
B+
Retailer 12
-
£1,449 GBP
$1,929 USD
View
B+
Retailer 13
-
£1,535 GBP
View
B+
Retailer 14
-
£1,585 GBP
SGD 2,853 SGD
View
B+
Retailer 15
-
£2,275 GBP
$3,030 USD
View
Most Expensive
B
Brilliant Earth
21434431A · Oct 29
£3,740 GBP
$4,980 USD
View
15 more retailers have this diamond
Prices start from £432 GBPSave up to £3,308 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
1.90ct Cushion
£432 GBP