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Asscher|Lab Grown|IGI

1.57ct E IF Asscher Lab Grown Diamond

ID • E/IF • IGI LG591314131

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG591314131

Diamond specifications and retailer prices

From £260 GBP
$346 USD
As of October 28, 2026
Save £902 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,724 GBP at Rare Carat · As of August 9, 2026
View at Rare Carat

About this 1.57ct lab-grown asscher diamond

This 1.57ct lab-grown asscher 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 LG591314131 or 591314131. Listed at 17 retailers as of October 28, 2026, with a 347% 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

1.57
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591314131
Dimensions6.47 × 6.44 × 4.15 mm
L/W Ratio1.00
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
6.47 mm6.44 mm1.57 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591314131
Side View
Table 66.0%Crown 34.2°Girdle: MED-STKPavilion 42.1°Culet: NoneDepth 64.4%

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: £511 GBP|Low: £260 GBP|High: £2,223 GBP|Avg: £708 GBP|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
October 29, 2026
Retailer 4£260 GBP
Retailer 6£288 GBP
Retailer 10£299 GBP
Retailer 2£406 GBP
Retailer 14£470 GBP
Retailer 3£470 GBP
Retailer 7£484 GBP
Retailer 12£495 GBP
Retailer 1£511 GBP
Retailer 11£672 GBP
Retailer 13£719 GBP
Retailer 8£962 GBP
Retailer 16£1,108 GBP
Retailer 5£1,159 GBP
Retailer 9£1,162 GBP
Retailer 15£2,223 GBP

43 data points across 16 retailers

17 retailers£260 GBP to £1,162 GBP

A
Cheapest Retailer
-
£260 GBP
$346 USD
Final sale: no returns
A
Retailer 2
-
£288 GBP
$384 USD
View
A
Retailer 3
-
£299 GBP
View
A
Retailer 4
-
£406 GBP
$540 USD
View
A
Retailer 5
-
£470 GBP
$626 USD
View
A
Retailer 6
-
£484 GBP
$645 USD
View
A
Retailer 7
-
£495 GBP
ZAR 10,656 ZAR
View
A
Retailer 8
-
£511 GBP
View
A
Retailer 9
-
£672 GBP
A$1,377 AUD
View
A
Retailer 10
-
£719 GBP
$958 USD
View
B+
Retailer 11
-
£820 GBP
$1,092 USD
View
B+
Retailer 12
-
£962 GBP
$1,280 USD
View
B+
Retailer 13
-
£1,042 GBP
View
B+
Retailer 14
-
£1,108 GBP
$1,476 USD
View
B+
Retailer 15
-
£1,159 GBP
$1,543 USD
View
B+
Retailer 16
-
£1,162 GBP
View
Most Expensive
B
Rare Carat
C91313141HH591 · Aug 9
£1,724 GBP
$2,296 USD
View
Price last confirmed 80 days ago
16 more retailers have this diamond
Prices start from £260 GBPSave up to £902 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
1.57ct Asscher
£260 GBP