Asscher|Lab Grown|IGI

1.23ct D VVS1 Asscher Lab Grown Diamond

VG • D/VVS1 • IGI LG794684996

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG794684996

Diamond specifications and retailer prices

From £302 GBP
$404 USD
As of October 30, 2026
Save £1,124 GBP (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,425 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 very-good cut grade and certified by IGI LG794684996 or 794684996. Listed at 5 retailers as of October 26, 2026, with prices from £302 to £1,425, a £1,124 spread on the same certified stone. Brilliant Earth lists it at £1,425. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794684996
Dimensions5.87 × 5.78 × 3.94 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
5.87 mm5.78 mm1.23 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794684996
Side View
Table 64.0%Crown 36.8°Girdle: MediumPavilion 36.8°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,425 GBP|Low: £290 GBP|High: £1,470 GBP|Avg: £574 GBP|-3.0%
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£327 GBP
Retailer 2£343 GBP
Retailer 4£356 GBP
Retailer 7£356 GBP
Retailer 9£592 GBP
Retailer 8£659 GBP
Retailer 3£803 GBP
Brilliant Earth£1,425 GBP

19 data points across 9 retailers

5 retailers£302 GBP to £1,425 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
19049788A · Oct 26
£1,425 GBP
$1,910 USD
View
4 more retailers have this diamond
Prices start from £302 GBPSave up to £1,124 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