Round|Lab Grown|IGI

1.53ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825661346

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825661346

Diamond specifications and retailer prices

From £305 GBP
$408 USD
As of October 29, 2026
Save £1,531 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,989 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825661346 or 825661346. Listed at 21 retailers as of October 29, 2026, with a 503% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825661346
Dimensions7.41 × 7.37 × 4.54 mm
L/W Ratio1.01
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
7.41 mm7.37 mm1.53 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825661346
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

Caratlytics Score

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A+
Exceptional
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 29
Current: £1,989 GBP|Low: £305 GBP|High: £1,989 GBP|Avg: £840 GBP
Rare Carat
Retailer 2
Retailer 3
Retailer 4
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Retailer 21
October 30, 2026
Retailer 7£305 GBP
Retailer 4£341 GBP
Retailer 9£341 GBP
Retailer 14£378 GBP
Retailer 20£378 GBP
Retailer 19£489 GBP
Retailer 10£559 GBP
Retailer 17£593 GBP
Retailer 5£599 GBP
Retailer 15£620 GBP
Retailer 18£649 GBP
Retailer 8£695 GBP
Retailer 6£903 GBP
Retailer 12£1,215 GBP
Retailer 21£1,237 GBP
Retailer 11£1,241 GBP
Retailer 3£1,261 GBP
Retailer 13£1,358 GBP
Retailer 16£1,484 GBP
Retailer 2£1,836 GBP
Rare Carat£1,989 GBP

24 data points across 21 retailers

21 retailers£305 GBP to £1,836 GBP

A+
Cheapest Retailer
-
£305 GBP
$408 USD
A
Retailer 2
-
£341 GBP
$457 USD
View
A
Retailer 3
-
£341 GBP
$457 USD
View
Final sale: no returns
A
Retailer 4
-
£378 GBP
$506 USD
View
A
Retailer 5
-
£378 GBP
$506 USD
View
A
Retailer 6
-
£489 GBP
$655 USD
View
A
Retailer 7
-
£559 GBP
$749 USD
View
A
Retailer 8
-
£593 GBP
€757 EUR
View
A
Retailer 9
-
£599 GBP
$802 USD
View
A
Retailer 10
-
£620 GBP
View
A
Retailer 11
-
£649 GBP
ZAR 14,057 ZAR
View
A
Retailer 12
-
£695 GBP
$931 USD
View
B+
Retailer 13
-
£903 GBP
$1,210 USD
View
B+
Retailer 14
-
£1,215 GBP
$1,628 USD
View
B+
Retailer 15
-
£1,237 GBP
SGD 2,240 SGD
View
B+
Retailer 16
-
£1,241 GBP
$1,663 USD
View
B+
Retailer 17
-
£1,261 GBP
$1,690 USD
View
B+
Retailer 18
-
£1,358 GBP
$1,820 USD
View
B+
Retailer 19
-
£1,484 GBP
View
B
Retailer 20
-
£1,836 GBP
$2,460 USD
View
Most Expensive
Rare Carat
PD-244006 · Oct 21
£1,989 GBP
$2,665 USD
View
Price last confirmed 9 days ago
20 more retailers have this diamond
Prices start from £305 GBPSave up to £1,531 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 Round
£305 GBP