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Asscher|Lab Grown|IGI

1.07ct F SI1 Asscher Lab Grown Diamond

ID • F/SI1 • IGI LG508156863

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG508156863

Diamond specifications and retailer prices

From £199 GBP
As of November 6, 2026
Save £559 GBP (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £758 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.07ct lab-grown asscher diamond

This 1.07ct lab-grown asscher sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508156863 or 508156863. Listed at 5 retailers as of November 2, 2026, with prices from £199 to £758, a £559 spread on the same certified stone. MOH London lists it at £758. 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

1.07
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle23.4°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156863
Dimensions5.66 × 5.57 × 3.73 mm
L/W Ratio1.02
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
5.66 mm5.57 mm1.07 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156863
Side View
Table 66.0%Crown 23.4°Girdle: Slightly ThickPavilion 39°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £758 GBP|Low: £196 GBP|High: £760 GBP|Avg: £388 GBP|+0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4£199 GBP
Retailer 2£287 GBP
Retailer 3£308 GBP
Retailer 6£321 GBP
Retailer 5£651 GBP
MOH London£758 GBP

34 data points across 6 retailers

5 retailers£199 GBP to £758 GBP

B+
Cheapest Retailer
-
£199 GBP
A
Retailer 2
-
£287 GBP
View
B+
Retailer 3
-
£308 GBP
View
B
Retailer 4
-
£651 GBP
View
Most Expensive
B
MOH London
LG508156863 · Nov 2
£758 GBP
View
4 more retailers have this diamond
Prices start from £199 GBPSave up to £559 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
1.07ct Asscher
£199 GBP