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Asscher|Lab Grown|IGI

1.00ct E SI2 Asscher Lab Grown Diamond

VG • E/SI2 • IGI LG854613508

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG854613508

Diamond specifications and retailer prices

From £122 GBP
As of November 5, 2026
Save £486 GBP (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £608 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1ct lab-grown asscher diamond

This 1ct lab-grown asscher sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG854613508 or 854613508. Listed at 8 retailers as of November 4, 2026, with prices from £122 to £608, a £486 spread on the same certified stone. MOH London lists it at £608. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.9°
Pavilion angle44.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG854613508
Dimensions5.64 × 5.55 × 3.76 mm
L/W Ratio1.02
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
5.64 mm5.55 mm1.00 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG854613508
Side View
Table 66.0%Crown 28.9°Girdle: MediumPavilion 44.5°CuletDepth 67.7%

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: Nov 5
Current: £608 GBP|Low: £122 GBP|High: £608 GBP|Avg: £298 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5£122 GBP
Retailer 8£131 GBP
Retailer 6£173 GBP
Retailer 4£221 GBP
Retailer 2£242 GBP
Retailer 3£247 GBP
Retailer 7£431 GBP
MOH London£608 GBP

3 data points across 8 retailers

8 retailers£122 GBP to £608 GBP

A
Cheapest Retailer
-
£122 GBP
A
Retailer 2
-
£131 GBP
View
B+
Retailer 3
-
£173 GBP
View
B+
Retailer 4
-
£221 GBP
View
B+
Retailer 5
-
£242 GBP
View
B+
Retailer 6
-
£247 GBP
View
B
Retailer 7
-
£431 GBP
View
Most Expensive
C
MOH London
LG854613508 · Nov 4
£608 GBP
View
7 more retailers have this diamond
Prices start from £122 GBPSave up to £486 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
1.00ct Asscher
£122 GBP