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Emerald|Lab Grown|IGI

3.11ct G VS1 Emerald Lab Grown Diamond

ID • G/VS1 • IGI LG602309857

Shape and cutting style on the report: Emerald cut

Certificate IGI LG602309857

Diamond specifications and retailer prices

From £482 GBP
$646 USD
As of October 31, 2026
Save £3,160 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,642 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.11ct lab-grown emerald diamond

This 3.11ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG602309857 or 602309857. Listed at 18 retailers as of October 31, 2026, with prices from £482 to £3,642, a £3,160 spread on the same certified stone. Brilliant Earth lists it at £3,642. 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

3.11
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602309857
Dimensions9.97 × 6.75 × 4.41 mm
L/W Ratio1.48
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.97 mm6.75 mm3.11 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602309857
Side View
Table 59.0%Crown 31.1°Girdle: MediumPavilion 38.6°Culet: LNGDepth 65.3%

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 31
Current: £3,642 GBP|Low: £345 GBP|High: £3,851 GBP|Avg: £1,444 GBP|-5.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 3£482 GBP
Retailer 14£822 GBP
Retailer 11£825 GBP
Retailer 7£828 GBP
Retailer 5£852 GBP
Retailer 9£895 GBP
Retailer 8£1,128 GBP
Retailer 10£1,160 GBP
Retailer 12£1,325 GBP
Retailer 4£1,558 GBP
Retailer 13£1,720 GBP
Retailer 6£2,079 GBP
Retailer 2£2,319 GBP
Brilliant Earth£3,642 GBP

41 data points across 14 retailers

18 retailers£482 GBP to £3,642 GBP

Retailer 1
-
£413 GBP
$554 USD
Price last confirmed 24 days ago
Retailer 2
-
£482 GBP
$646 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
£482 GBP
$646 USD
View
Final sale: no returns
Retailer 4
-
£534 GBP
$716 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
£822 GBP
$1,102 USD
View
A
Retailer 6
-
£825 GBP
$1,105 USD
View
A
Retailer 7
-
£828 GBP
View
A
Retailer 8
-
£852 GBP
$1,141 USD
View
A
Retailer 9
-
£895 GBP
€1,142 EUR
View
B+
Retailer 10
-
£1,128 GBP
A$2,326 AUD
View
B+
Retailer 11
-
£1,160 GBP
ZAR 25,115 ZAR
View
B+
Retailer 12
-
£1,325 GBP
$1,776 USD
View
Retailer 13
-
£1,405 GBP
$1,883 USD
View
Price last confirmed 22 days ago
B
Retailer 14
-
£1,558 GBP
View
B
Retailer 15
-
£1,720 GBP
$2,305 USD
View
B
Retailer 16
-
£2,079 GBP
$2,785 USD
View
B
Retailer 17
-
£2,319 GBP
View
Most Expensive
B
Brilliant Earth
15178857A · Oct 31
£3,642 GBP
$4,880 USD
View
17 more retailers have this diamond
Prices start from £482 GBPSave up to £3,160 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
3.11ct Emerald
£482 GBP