Asscher|Lab Grown|IGI

1.09ct D VS1 Asscher Lab Grown Diamond

ID • D/VS1 • IGI LG818621531

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG818621531

Diamond specifications and retailer prices

From £163 GBP
$218 USD
As of October 30, 2026
Save £689 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £852 GBP at MOH London · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818621531 or 818621531. Listed at 17 retailers as of October 29, 2026, with prices from £163 to £852, a £689 spread on the same certified stone. MOH London lists it at £852. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818621531
Dimensions5.74 × 5.70 × 3.81 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.74 mm5.70 mm1.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818621531
Side View
Table 64.0%Crown 32.8°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £852 GBP|Low: £163 GBP|High: £885 GBP|Avg: £414 GBP|-2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7£163 GBP
Retailer 6£201 GBP
Retailer 5£305 GBP
Retailer 11£311 GBP
Retailer 8£316 GBP
Retailer 2£330 GBP
Retailer 9£344 GBP
Retailer 12£447 GBP
Retailer 4£448 GBP
Retailer 10£492 GBP
Retailer 3£590 GBP
MOH London£852 GBP

43 data points across 12 retailers

17 retailers£163 GBP to £852 GBP

Retailer 1
-
£149 GBP
$199 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£163 GBP
$218 USD
View
Final sale: no returns
Retailer 3
-
£172 GBP
$231 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£184 GBP
$247 USD
View
Price last confirmed 27 days ago
Retailer 5
-
£184 GBP
$247 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
£201 GBP
HK$2,100 HKD
View
A
Retailer 7
-
£305 GBP
€389 EUR
View
A
Retailer 8
-
£311 GBP
ZAR 6,738 ZAR
View
A
Retailer 9
-
£316 GBP
$424 USD
View
A
Retailer 10
-
£330 GBP
View
A
Retailer 11
-
£344 GBP
View
B+
Retailer 12
-
£447 GBP
A$922 AUD
View
Retailer 13
-
£448 GBP
$600 USD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
£492 GBP
SGD 890 SGD
View
B
Retailer 15
-
£590 GBP
$791 USD
View
Retailer 16
-
£593 GBP
$794 USD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
LG818621531 · Oct 29
£852 GBP
View
16 more retailers have this diamond
Prices start from £163 GBPSave up to £689 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
£163 GBP