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Emerald|Lab Grown|IGI

4.05ct H VS1 Emerald Lab Grown Diamond

ID • H/VS1 • IGI LG816602145

Shape and cutting style on the report: Emerald cut

Certificate IGI LG816602145

Diamond specifications and retailer prices

From £340 GBP
$456 USD
As of October 30, 2026
Save £1,749 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,090 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.05ct lab-grown emerald diamond

This 4.05ct lab-grown emerald sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816602145 or 816602145. Listed at 20 retailers as of October 29, 2026, with prices from £340 to £2,090, a £1,749 spread on the same certified stone. Brilliant Earth lists it at £2,090. 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

4.05
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816602145
Dimensions10.60 × 7.57 × 5.38 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.60 mm7.57 mm4.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816602145
Side View
Table 65.0%Crown 39.1°Girdle: MediumPavilion 41.5°Culet: LargeDepth 71.1%

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: £2,090 GBP|Low: £327 GBP|High: £2,157 GBP|Avg: £929 GBP|-3.1%
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 21£340 GBP
Retailer 6£381 GBP
Retailer 8£381 GBP
Retailer 3£422 GBP
Retailer 4£422 GBP
Retailer 14£468 GBP
Retailer 17£567 GBP
Retailer 15£647 GBP
Retailer 2£661 GBP
Retailer 9£675 GBP
Retailer 16£840 GBP
Retailer 13£843 GBP
Retailer 11£917 GBP
Retailer 20£972 GBP
Retailer 10£1,228 GBP
Retailer 7£1,356 GBP
Retailer 12£1,380 GBP
Retailer 5£1,431 GBP
Retailer 19£1,558 GBP
Retailer 18£1,649 GBP
Brilliant Earth£2,090 GBP

32 data points across 21 retailers

20 retailers£340 GBP to £2,090 GBP

A
Cheapest Retailer
-
£340 GBP
$456 USD
A
Retailer 2
-
£381 GBP
$510 USD
View
Final sale: no returns
A
Retailer 3
-
£381 GBP
$511 USD
View
A
Retailer 4
-
£422 GBP
$565 USD
View
Retailer 5
-
£422 GBP
$565 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£468 GBP
HK$4,900 HKD
View
A
Retailer 7
-
£567 GBP
$760 USD
View
A
Retailer 8
-
£647 GBP
€825 EUR
View
B+
Retailer 9
-
£661 GBP
$886 USD
View
A
Retailer 10
-
£675 GBP
$904 USD
View
A
Retailer 11
-
£840 GBP
ZAR 18,175 ZAR
View
A
Retailer 12
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£843 GBP
A$1,737 AUD
View
A
Retailer 13
-
£917 GBP
$1,229 USD
View
A
Retailer 14
-
£972 GBP
$1,303 USD
View
B+
Retailer 15
-
£1,356 GBP
$1,817 USD
View
B+
Retailer 16
-
£1,380 GBP
$1,849 USD
View
B
Retailer 17
-
£1,431 GBP
$1,917 USD
View
B+
Retailer 18
-
£1,558 GBP
View
B+
Retailer 19
-
£1,649 GBP
$2,210 USD
View
Most Expensive
B
Brilliant Earth
21009676A · Oct 29
£2,090 GBP
$2,800 USD
View
19 more retailers have this diamond
Prices start from £340 GBPSave up to £1,749 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
4.05ct Emerald
£340 GBP