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Asscher|Lab Grown|IGI

1.02ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG624426054

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG624426054

Diamond specifications and retailer prices

From £181 GBP
As of November 4, 2026
Save £347 GBP (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £708 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.02ct lab-grown asscher diamond

This 1.02ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG624426054 or 624426054. Listed at 12 retailers as of November 4, 2026, with a 192% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.02
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624426054
Dimensions5.54 × 5.52 × 3.69 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
5.54 mm5.52 mm1.02 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624426054
Side View
Table 60.0%Crown 30°Girdle: MediumPavilion 40.7°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
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 4
Current: £708 GBP|Low: £132 GBP|High: £712 GBP|Avg: £342 GBP|+3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10£136 GBP
Retailer 7£181 GBP
Retailer 9£214 GBP
Retailer 2£264 GBP
Retailer 5£264 GBP
Retailer 6£286 GBP
Retailer 4£310 GBP
Retailer 12£331 GBP
Retailer 8£375 GBP
Retailer 3£432 GBP
Retailer 11£505 GBP
MOH London£708 GBP

45 data points across 12 retailers

12 retailers£181 GBP to £528 GBP

A
Cheapest Retailer
-
£181 GBP
B+
Retailer 2
-
£214 GBP
View
A
Retailer 3
-
£264 GBP
View
Retailer 4
-
£264 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£286 GBP
View
B+
Retailer 6
-
£310 GBP
View
B+
Retailer 7
-
£331 GBP
View
B+
Retailer 8
-
£375 GBP
View
B
Retailer 9
-
£432 GBP
View
B
Retailer 10
-
£505 GBP
View
B
Retailer 11
-
£528 GBP
View
Most Expensive
MOH London
LG624426054 · Oct 29
£708 GBP
View
Price last confirmed 8 days ago
11 more retailers have this diamond
Prices start from £181 GBPSave up to £347 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
1.02ct Asscher
£181 GBP