CaratHunter
Plans
Asscher|Lab Grown|IGI

1.23ct F VS2 Asscher Lab Grown Diamond

VG • F/VS2 • IGI LG668425927

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG668425927

Diamond specifications and retailer prices

From £377 GBP
As of November 4, 2026
Save £94 GBP (20%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £471 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.23ct lab-grown asscher diamond

This 1.23ct lab-grown asscher sits in the classic one-carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG668425927 or 668425927. Listed at 2 retailers as of November 4, 2026, with prices from £377 to £471, a £94 spread on the same certified stone. Diamond Quarter lists it at £471. 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
F
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668425927
Dimensions5.89 × 5.64 × 4.09 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.89 mm5.64 mm1.23 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668425927
Side View
Table 66.0%Crown 39.1°Girdle: MediumPavilion 42.1°Culet: NoneDepth 72.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £377 GBP|Low: £161 GBP|High: £1,400 GBP|Avg: £534 GBP|-11.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
September 23, 2026
Retailer 11£201 GBP
Retailer 3£246 GBP
Retailer 7£267 GBP
Retailer 6£296 GBP
Retailer 4£341 GBP
Retailer 1£377 GBP
Retailer 10£404 GBP
Retailer 5£461 GBP
Retailer 8£656 GBP
Retailer 9£689 GBP
Retailer 12£903 GBP
Retailer 2£933 GBP
Retailer 13£1,341 GBP

49 data points across 13 retailers

2 retailers£377 GBP to £471 GBP

B+
Cheapest Retailer
-
£377 GBP
Most Expensive
B
Diamond Quarter
1.23VS2FLG27E785N · Nov 5
£471 GBP
View
1 more retailer has this diamond
Prices start from £377 GBPSave up to £94 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.

B+
1.23ct Asscher
£377 GBP