Asscher|Lab Grown|IGI

4.23ct E VVS2 Asscher Lab Grown Diamond

VG • E/VVS2 • IGI LG830661925

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG830661925

Diamond specifications and retailer prices

From £581 GBP
$779 USD
As of October 30, 2026
Save £3,549 GBP (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,130 GBP at Blue Nile · As of October 29, 2026
View at Blue Nile

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 LG830661925 or 830661925. Listed at 23 retailers as of October 29, 2026, with prices from £581 to £4,130, a £3,549 spread on the same certified stone. Blue Nile lists it at £4,130. 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 angle34.7°
Pavilion angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830661925
Dimensions8.76 × 8.63 × 6.00 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.76 mm8.63 mm4.23 ctE / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830661925
Side View
Table 66.0%Crown 34.7°Girdle: MED-STKPavilion 42.9°Culet: NoneDepth 69.5%

Caratlytics Score

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A
Excellent
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: £4,130 GBP|Low: £464 GBP|High: £4,762 GBP|Avg: £1,715 GBP
Blue Nile
Retailer 2
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Retailer 21
October 30, 2026
Retailer 19£567 GBP
Retailer 21£581 GBP
Retailer 5£632 GBP
Retailer 7£651 GBP
Retailer 4£674 GBP
Retailer 20£806 GBP
Retailer 12£1,022 GBP
Retailer 2£1,034 GBP
Retailer 13£1,256 GBP
Retailer 17£1,461 GBP
Retailer 11£1,543 GBP
Retailer 14£1,734 GBP
Retailer 18£1,955 GBP
Retailer 6£2,093 GBP
Retailer 8£2,265 GBP
Retailer 10£2,330 GBP
Retailer 9£2,508 GBP
Retailer 15£2,541 GBP
Retailer 16£2,911 GBP
Retailer 3£3,709 GBP
Blue Nile£4,130 GBP

44 data points across 21 retailers

23 retailers£581 GBP to £4,130 GBP

Retailer 1
-
£567 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
£581 GBP
$779 USD
View
A
Retailer 3
-
£632 GBP
$847 USD
View
A
Retailer 4
-
£651 GBP
$872 USD
View
Final sale: no returns
A
Retailer 5
-
£674 GBP
$903 USD
View
A
Retailer 6
-
£783 GBP
HK$8,200 HKD
View
A
Retailer 7
-
£806 GBP
$1,080 USD
View
A
Retailer 8
-
£1,022 GBP
$1,370 USD
View
A
Retailer 9
-
£1,034 GBP
View
B+
Retailer 10
-
£1,256 GBP
€1,603 EUR
View
A
Retailer 11
-
£1,461 GBP
$1,958 USD
View
A
Retailer 12
-
£1,543 GBP
$2,068 USD
View
A
Retailer 13
-
£1,734 GBP
$2,323 USD
View
B+
Retailer 14
-
£1,955 GBP
$2,620 USD
View
Retailer 15
-
£2,093 GBP
View
Price last confirmed 24 days ago
B+
Retailer 16
-
£2,164 GBP
$2,899 USD
View
B+
Retailer 17
-
£2,265 GBP
SGD 4,102 SGD
View
B+
Retailer 18
-
£2,330 GBP
$3,122 USD
View
B+
Retailer 19
-
£2,541 GBP
View
B+
Retailer 20
-
£2,560 GBP
$3,430 USD
View
Retailer 21
-
£2,911 GBP
$3,900 USD
View
Price last confirmed 11 days ago
B+
Retailer 22
-
£3,709 GBP
$4,970 USD
View
Most Expensive
B
Blue Nile
30161586 · Oct 29
£4,130 GBP
$5,534 USD
View
22 more retailers have this diamond
Prices start from £581 GBPSave up to £3,549 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