Asscher|Lab Grown|IGI

4.23ct E VVS2 Asscher Lab Grown Diamond

VG • E/VVS2 • IGI LG830661540

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG830661540

Diamond specifications and retailer prices

From £581 GBP
$779 USD
As of October 30, 2026
Save £3,785 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,366 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.23ct lab-grown asscher diamond

This 4.23ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG830661540 or 830661540. Listed at 21 retailers as of October 30, 2026, with prices from £581 to £4,366, a £3,785 spread on the same certified stone. Brilliant Earth lists it at £4,366. 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

4.23
Carat
E
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830661540
Dimensions8.77 × 8.64 × 5.92 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.77 mm8.64 mm4.23 ctE / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830661540
Side View
Table 65.0%Crown 39.4°Girdle: Slightly ThickPavilion 42.1°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £4,366 GBP|Low: £558 GBP|High: £7,217 GBP|Avg: £1,902 GBP|-39.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 17£581 GBP
Retailer 3£632 GBP
Retailer 4£651 GBP
Retailer 18£674 GBP
Retailer 15£806 GBP
Retailer 9£1,022 GBP
Retailer 2£1,034 GBP
Retailer 11£1,256 GBP
Retailer 14£1,461 GBP
Retailer 8£1,734 GBP
Retailer 16£1,955 GBP
Retailer 7£2,093 GBP
Retailer 5£2,265 GBP
Retailer 10£2,330 GBP
Retailer 6£2,508 GBP
Retailer 12£2,541 GBP
Retailer 13£2,911 GBP
Brilliant Earth£4,366 GBP

44 data points across 18 retailers

21 retailers£581 GBP to £4,366 GBP

A
Cheapest Retailer
-
£581 GBP
$779 USD
A
Retailer 2
-
£632 GBP
$847 USD
View
A
Retailer 3
-
£651 GBP
$872 USD
View
Final sale: no returns
A
Retailer 4
-
£674 GBP
$903 USD
View
A
Retailer 5
-
£783 GBP
HK$8,200 HKD
View
A
Retailer 6
-
£806 GBP
$1,080 USD
View
A
Retailer 7
-
£1,022 GBP
$1,370 USD
View
A
Retailer 8
-
£1,034 GBP
View
A
Retailer 9
-
£1,256 GBP
€1,603 EUR
View
A
Retailer 10
-
£1,461 GBP
$1,958 USD
View
A
Retailer 11
-
£1,543 GBP
$2,068 USD
View
A
Retailer 12
-
£1,734 GBP
$2,323 USD
View
B+
Retailer 13
-
£1,955 GBP
$2,620 USD
View
Retailer 14
-
£2,093 GBP
View
Price last confirmed 24 days ago
B+
Retailer 15
-
£2,164 GBP
$2,899 USD
View
B+
Retailer 16
-
£2,265 GBP
SGD 4,102 SGD
View
B+
Retailer 17
-
£2,330 GBP
$3,122 USD
View
B+
Retailer 18
-
£2,541 GBP
View
B+
Retailer 19
-
£2,560 GBP
$3,430 USD
View
Retailer 20
-
£2,911 GBP
$3,900 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21494150A · Oct 30
£4,366 GBP
$5,850 USD
View
20 more retailers have this diamond
Prices start from £581 GBPSave up to £3,785 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
4.23ct Asscher
£581 GBP