Emerald|Lab Grown|IGI

4.05ct H VS1 Emerald Lab Grown Diamond

ID • H/VS1 • IGI LG819625094

Shape and cutting style on the report: Emerald cut

Certificate IGI LG819625094

Diamond specifications and retailer prices

From £941 GBP
€1,201 EUR
As of October 25, 2026
Save £3,007 GBP (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,948 GBP at Brilliant Earth · As of October 26, 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 LG819625094 or 819625094. Listed at 17 retailers as of October 25, 2026, with prices from £941 to £3,948, a £3,007 spread on the same certified stone. Brilliant Earth lists it at £3,948. 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 angle38.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819625094
Dimensions10.95 × 7.64 × 4.95 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.95 mm7.64 mm4.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819625094
Side View
Table 69.0%Crown 38.3°Girdle: ThinPavilion 39.8°Culet: LargeDepth 64.8%

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 25
Current: £3,948 GBP|Low: £428 GBP|High: £4,075 GBP|Avg: £1,302 GBP|-3.1%
Brilliant Earth
Retailer 2
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October 25, 2026
Retailer 16£446 GBP
Retailer 7£499 GBP
Retailer 18£499 GBP
Retailer 3£552 GBP
Retailer 6£552 GBP
Retailer 11£638 GBP
Retailer 4£847 GBP
Retailer 2£941 GBP
Retailer 10£953 GBP
Retailer 13£1,087 GBP
Retailer 12£1,113 GBP
Retailer 15£1,370 GBP
Retailer 5£1,452 GBP
Retailer 8£1,604 GBP
Retailer 17£1,750 GBP
Retailer 9£1,786 GBP
Retailer 14£2,409 GBP
Brilliant Earth£3,948 GBP

26 data points across 18 retailers

17 retailers£941 GBP to £3,948 GBP

Retailer 1
-
£446 GBP
$597 USD
Price last confirmed 7 days ago
Retailer 2
-
£499 GBP
$668 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£552 GBP
$740 USD
View
Price last confirmed 9 days ago
Retailer 4
-
£552 GBP
$740 USD
View
Price last confirmed 14 days ago
Retailer 5
-
£638 GBP
$855 USD
View
Price last confirmed 7 days ago
Retailer 6
-
£847 GBP
$1,135 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
£941 GBP
€1,201 EUR
View
Retailer 8
-
£953 GBP
$1,277 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£1,087 GBP
ZAR 23,530 ZAR
View
Price last confirmed 11 days ago
Retailer 10
-
£1,113 GBP
A$2,294 AUD
View
Price last confirmed 10 days ago
Retailer 11
-
£1,370 GBP
$1,835 USD
View
Price last confirmed 8 days ago
Retailer 12
-
£1,452 GBP
$1,946 USD
View
Price last confirmed 9 days ago
Retailer 13
-
£1,604 GBP
View
Price last confirmed 7 days ago
Retailer 14
-
£1,750 GBP
$2,345 USD
View
Price last confirmed 8 days ago
Retailer 15
-
£1,786 GBP
$2,393 USD
View
Price last confirmed 9 days ago
Retailer 16
-
£2,409 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21107623A · Oct 26
£3,948 GBP
$5,290 USD
View
16 more retailers have this diamond
Prices start from £941 GBPSave up to £3,007 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
£941 GBP