CaratHunter
Plans
Asscher|Lab Grown|IGI

4.21ct E VVS2 Asscher Lab Grown Diamond

ID • E/VVS2 • IGI LG656499431

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG656499431

Diamond specifications and retailer prices

From £581 GBP
As of October 30, 2026
Save £4,815 GBP (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £5,396 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.21ct lab-grown asscher diamond

This 4.21ct lab-grown asscher sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG656499431 or 656499431. Listed at 24 retailers as of October 29, 2026, with prices from £581 to £5,396, a £4,815 spread on the same certified stone. Do Amore Diamonds lists it at £5,396. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.21
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656499431
Dimensions8.64 × 8.64 × 5.54 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.64 mm8.64 mm4.21 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656499431
Side View
Table 63.0%Crown 35.8°Girdle: MediumPavilion 37.5°Culet: NoneDepth 64.1%

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: £581 GBP|Low: £579 GBP|High: £2,829 GBP|Avg: £1,550 GBP|-0.8%
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
October 30, 2026
Retailer 1£581 GBP
Retailer 13£630 GBP
Retailer 5£889 GBP
Retailer 3£996 GBP
Retailer 7£1,059 GBP
Retailer 6£1,067 GBP
Retailer 9£1,480 GBP
Retailer 10£1,489 GBP
Retailer 12£1,513 GBP
Retailer 2£2,311 GBP
Retailer 4£2,491 GBP
Retailer 8£2,621 GBP
Retailer 11£2,784 GBP

38 data points across 13 retailers

24 retailers£581 GBP to £5,396 GBP

A
Cheapest Retailer
-
£581 GBP
A
Retailer 2
-
£608 GBP
$815 USD
View
Final sale: no returns
Retailer 3
-
£630 GBP
$844 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£761 GBP
$1,020 USD
View
A
Retailer 5
-
£860 GBP
HK$9,000 HKD
View
A
Retailer 6
-
£889 GBP
$1,191 USD
View
A
Retailer 7
-
£996 GBP
$1,335 USD
View
A
Retailer 8
-
£1,059 GBP
€1,351 EUR
View
A
Retailer 9
-
£1,067 GBP
View
A
Retailer 10
-
£1,164 GBP
$1,560 USD
View
A
Retailer 11
-
£1,480 GBP
ZAR 32,038 ZAR
View
Retailer 12
-
£1,489 GBP
A$3,069 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
£1,513 GBP
$2,027 USD
View
A
Retailer 14
-
£1,807 GBP
View
A
Retailer 15
-
£2,031 GBP
$2,721 USD
View
A
Retailer 16
-
£2,161 GBP
View
Retailer 17
-
£2,311 GBP
A$4,763 AUD
View
Price last confirmed 22 days ago
B+
Retailer 18
-
£2,484 GBP
$3,329 USD
View
B+
Retailer 19
-
£2,491 GBP
SGD 4,511 SGD
View
B+
Retailer 20
-
£2,621 GBP
View
Retailer 21
-
£2,784 GBP
$3,730 USD
View
Price last confirmed 11 days ago
Retailer 22
-
£3,784 GBP
$5,070 USD
View
Price last confirmed 29 days ago
B
Retailer 23
-
£4,821 GBP
$6,460 USD
View
Most Expensive
B
Do Amore Diamonds
23-656499431 · Oct 29
£5,396 GBP
$7,230 USD
View
23 more retailers have this diamond
Prices start from £581 GBPSave up to £4,815 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
4.21ct Asscher
£581 GBP