Asscher|Lab Grown|IGI

1.23ct D VVS1 Asscher Lab Grown Diamond

EX • D/VVS1 • IGI LG801626365

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG801626365

Diamond specifications and retailer prices

From £302 GBP
$404 USD
As of October 30, 2026
Save £885 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,187 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 LG801626365 or 801626365. Listed at 5 retailers as of October 26, 2026, with prices from £302 to £1,187, a £885 spread on the same certified stone. Brilliant Earth lists it at £1,187. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801626365
Dimensions6.01 × 6.00 × 3.74 mm
L/W Ratio1.00
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
6.01 mm6.00 mm1.23 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801626365
Side View
Table 63.0%Crown 30.9°Girdle: THN-MEDPavilion 41.6°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,187 GBP|Low: £290 GBP|High: £1,187 GBP|Avg: £542 GBP|+6.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 5£302 GBP
Retailer 6£330 GBP
Retailer 2£343 GBP
Retailer 4£356 GBP
Retailer 7£360 GBP
Retailer 9£592 GBP
Retailer 8£664 GBP
Retailer 3£803 GBP
Brilliant Earth£1,187 GBP

19 data points across 9 retailers

5 retailers£302 GBP to £1,187 GBP

A
Cheapest Retailer
-
£302 GBP
$404 USD
A
Retailer 2
-
£343 GBP
€438 EUR
View
A
Retailer 3
-
£356 GBP
$477 USD
View
B
Retailer 4
-
£803 GBP
View
Most Expensive
B
Brilliant Earth
19660108A · Oct 26
£1,187 GBP
$1,590 USD
View
4 more retailers have this diamond
Prices start from £302 GBPSave up to £885 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
£302 GBP