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Round|Lab Grown|IGI

4.18ct E VS2 Round Lab Grown Diamond

ID • E/VS2 • IGI LG821669676

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821669676

Diamond specifications and retailer prices

From £376 GBP
$501 USD
As of October 29, 2026
Save £1,748 GBP (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,098 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 4.18ct lab-grown round diamond

This 4.18ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821669676 or 821669676. Listed at 15 retailers as of October 28, 2026, with a 465% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.18
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821669676
Dimensions10.41 × 10.48 × 6.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.41 mm10.48 mm4.18 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821669676
Side View
Table 60.0%Crown 33.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.5%

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 29
Current: £3,098 GBP|Low: £372 GBP|High: £3,098 GBP|Avg: £1,489 GBP|+5.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 7£376 GBP
Retailer 11£572 GBP
Retailer 2£713 GBP
Retailer 10£770 GBP
Retailer 6£1,204 GBP
Retailer 5£1,205 GBP
Retailer 8£1,629 GBP
Retailer 3£1,865 GBP
Retailer 4£1,951 GBP
Retailer 9£2,124 GBP
Rare Carat£3,098 GBP

25 data points across 11 retailers

15 retailers£376 GBP to £2,124 GBP

A
Cheapest Retailer
-
£376 GBP
$501 USD
Retailer 2
-
£381 GBP
$508 USD
View
Price last confirmed 36 days ago
Retailer 3
-
£427 GBP
$568 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£572 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
£713 GBP
€904 EUR
View
A
Retailer 6
-
£770 GBP
$1,026 USD
View
B+
Retailer 7
-
£1,204 GBP
$1,604 USD
View
B+
Retailer 8
-
£1,205 GBP
$1,605 USD
View
Retailer 9
-
£1,243 GBP
$1,655 USD
View
Price last confirmed 31 days ago
B+
Retailer 10
-
£1,629 GBP
$2,169 USD
View
B+
Retailer 11
-
£1,630 GBP
$2,170 USD
View
Retailer 12
-
£1,865 GBP
SGD 3,356 SGD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
£1,951 GBP
View
B
Retailer 14
-
£2,124 GBP
$2,829 USD
View
Most Expensive
Rare Carat
LGRD40-119008 · Oct 18
£3,098 GBP
$4,125 USD
View
Price last confirmed 11 days ago
14 more retailers have this diamond
Prices start from £376 GBPSave up to £1,748 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
4.18ct Round
£376 GBP