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Asscher|Lab Grown|IGI

1.53ct E SI1 Asscher Lab Grown Diamond

ID • E/SI1 • IGI LG618402370

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG618402370

Diamond specifications and retailer prices

From £286 GBP
$383 USD
As of November 1, 2026
Save £657 GBP (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £943 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.53ct lab-grown asscher diamond

This 1.53ct lab-grown asscher sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG618402370 or 618402370. Listed at 4 retailers as of November 1, 2026, with prices from £286 to £943, a £657 spread on the same certified stone. MOH London lists it at £943. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618402370
Dimensions6.32 × 6.30 × 4.22 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
6.32 mm6.30 mm1.53 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618402370
Side View
Table 63.0%Crown 36.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 67.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £943 GBP|Low: £286 GBP|High: £998 GBP|Avg: £494 GBP|-5.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4£286 GBP
Retailer 5£399 GBP
Retailer 2£449 GBP
Retailer 3£884 GBP
MOH London£943 GBP

37 data points across 5 retailers

4 retailers£286 GBP to £943 GBP

B+
Cheapest Retailer
-
£286 GBP
$383 USD
B+
Retailer 2
-
£449 GBP
View
B
Retailer 3
-
£884 GBP
$1,185 USD
View
Most Expensive
B
MOH London
LG618402370 · Nov 1
£943 GBP
View
3 more retailers have this diamond
Prices start from £286 GBPSave up to £657 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.

B+
1.53ct Asscher
£286 GBP