Asscher|Lab Grown|IGI

1.23ct D VVS1 Asscher Lab Grown Diamond

ID • D/VVS1 • IGI LG840610908

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840610908

Diamond specifications and retailer prices

From £138 GBP
$185 USD
As of October 30, 2026
Save £1,056 GBP (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,194 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.23ct lab-grown asscher diamond

This 1.23ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840610908 or 840610908. Listed at 10 retailers as of October 26, 2026, with prices from £138 to £1,194, a £1,056 spread on the same certified stone. Brilliant Earth lists it at £1,194. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840610908
Dimensions6.07 × 6.04 × 3.71 mm
L/W Ratio1.00
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
6.07 mm6.04 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840610908
Side View
Table 65.0%Crown 33.2°Girdle: Slightly ThickPavilion 41.9°Culet: NoneDepth 61.4%

Caratlytics Score

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A+
Exceptional
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: Oct 30
Current: £1,194 GBP|Low: £138 GBP|High: £1,194 GBP|Avg: £504 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7£138 GBP
Retailer 3£196 GBP
Retailer 6£302 GBP
Retailer 8£345 GBP
Retailer 4£356 GBP
Retailer 2£449 GBP
Retailer 10£455 GBP
Retailer 5£549 GBP
Retailer 9£870 GBP
Brilliant Earth£1,194 GBP

33 data points across 10 retailers

10 retailers£138 GBP to £1,194 GBP

A+
Cheapest Retailer
-
£138 GBP
$185 USD
A
Retailer 2
-
£196 GBP
View
A
Retailer 3
-
£302 GBP
$404 USD
View
A
Retailer 4
-
£345 GBP
€440 EUR
View
A
Retailer 5
-
£356 GBP
$477 USD
View
B+
Retailer 6
-
£449 GBP
$602 USD
View
Retailer 7
-
£455 GBP
A$937 AUD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£549 GBP
$736 USD
View
B
Retailer 9
-
£870 GBP
View
Most Expensive
B
Brilliant Earth
21665486A · Oct 26
£1,194 GBP
$1,600 USD
View
9 more retailers have this diamond
Prices start from £138 GBPSave up to £1,056 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+
1.23ct Asscher
£138 GBP