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Asscher|Lab Grown|IGI

1.09ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG680572148

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG680572148

Diamond specifications and retailer prices

From £106 GBP
As of November 4, 2026
Save £505 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £611 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.09ct lab-grown asscher diamond

This 1.09ct 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 LG680572148 or 680572148. Listed at 14 retailers as of November 4, 2026, with prices from £106 to £611, a £505 spread on the same certified stone. MOH London lists it at £611. 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

1.09
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680572148
Dimensions5.79 × 5.74 × 3.77 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.79 mm5.74 mm1.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680572148
Side View
Table 66.0%Crown 29.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 65.7%

Caratlytics Score

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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: £611 GBP|Low: £106 GBP|High: £669 GBP|Avg: £309 GBP|-0.8%
MOH London
Retailer 2
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 16
November 6, 2026
Retailer 5£106 GBP
Retailer 4£123 GBP
Retailer 11£131 GBP
Retailer 3£152 GBP
Retailer 2£155 GBP
Retailer 6£216 GBP
Retailer 9£222 GBP
Retailer 15£244 GBP
Retailer 16£248 GBP
Retailer 12£315 GBP
Retailer 14£405 GBP
Retailer 13£421 GBP
Retailer 10£444 GBP
Retailer 7£531 GBP
MOH London£611 GBP
Retailer 8£669 GBP

11 data points across 16 retailers

14 retailers£106 GBP to £611 GBP

A
Cheapest Retailer
-
£106 GBP
A
Retailer 2
-
£123 GBP
View
A
Retailer 3
-
£131 GBP
View
A
Retailer 4
-
£152 GBP
View
A
Retailer 5
-
£155 GBP
View
A
Retailer 6
-
£222 GBP
View
A
Retailer 7
-
£244 GBP
View
A
Retailer 8
-
£248 GBP
View
B+
Retailer 9
-
£315 GBP
View
B+
Retailer 10
-
£405 GBP
View
B+
Retailer 11
-
£421 GBP
View
B
Retailer 12
-
£444 GBP
View
B
Retailer 13
-
£503 GBP
View
Most Expensive
B
MOH London
LG680572148 · Nov 4
£611 GBP
View
13 more retailers have this diamond
Prices start from £106 GBPSave up to £505 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
1.09ct Asscher
£106 GBP