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Emerald|Lab Grown|IGI

5.09ct H VS1 Emerald Lab Grown Diamond

ID • H/VS1 • IGI LG831616349

Shape and cutting style on the report: Emerald cut

Certificate IGI LG831616349

Diamond specifications and retailer prices

From £453 GBP
$607 USD
As of October 30, 2026
Save £2,286 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,739 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.09ct lab-grown emerald diamond

This 5.09ct lab-grown emerald sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831616349 or 831616349. Listed at 21 retailers as of October 29, 2026, with prices from £453 to £2,739, a £2,286 spread on the same certified stone. Brilliant Earth lists it at £2,739. 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

5.09
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831616349
Dimensions11.87 × 8.06 × 5.40 mm
L/W Ratio1.47
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.87 mm8.06 mm5.09 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831616349
Side View
Table 64.0%Crown 31.3°Girdle: MED-STKPavilion 34°Culet: LargeDepth 67.0%

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: £2,739 GBP|Low: £370 GBP|High: £2,814 GBP|Avg: £1,190 GBP|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 13
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Retailer 16
Retailer 17
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Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 6£453 GBP
Retailer 5£507 GBP
Retailer 3£508 GBP
Retailer 11£562 GBP
Retailer 12£562 GBP
Retailer 19£611 GBP
Retailer 17£657 GBP
Retailer 20£825 GBP
Retailer 14£862 GBP
Retailer 13£941 GBP
Retailer 2£1,065 GBP
Retailer 16£1,068 GBP
Retailer 18£1,216 GBP
Retailer 4£1,222 GBP
Retailer 10£1,478 GBP
Retailer 8£1,638 GBP
Retailer 7£1,771 GBP
Retailer 21£1,774 GBP
Retailer 9£1,816 GBP
Retailer 15£2,452 GBP
Brilliant Earth£2,739 GBP

40 data points across 21 retailers

21 retailers£453 GBP to £2,739 GBP

A
Cheapest Retailer
-
£453 GBP
$607 USD
A
Retailer 2
-
£507 GBP
$679 USD
View
Final sale: no returns
A
Retailer 3
-
£508 GBP
$680 USD
View
A
Retailer 4
-
£562 GBP
$753 USD
View
Retailer 5
-
£562 GBP
$753 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£611 GBP
HK$6,400 HKD
View
A
Retailer 7
-
£657 GBP
$880 USD
View
A
Retailer 8
-
£825 GBP
$1,105 USD
View
B+
Retailer 9
-
£862 GBP
$1,155 USD
View
A
Retailer 10
-
£941 GBP
€1,201 EUR
View
A
Retailer 11
-
£1,065 GBP
A$2,195 AUD
View
A
Retailer 12
-
£1,068 GBP
ZAR 23,114 ZAR
View
A
Retailer 13
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£1,216 GBP
$1,629 USD
View
A
Retailer 14
-
£1,222 GBP
$1,638 USD
View
A
Retailer 15
-
£1,478 GBP
$1,980 USD
View
B+
Retailer 16
-
£1,638 GBP
View
B+
Retailer 17
-
£1,771 GBP
SGD 3,206 SGD
View
B+
Retailer 18
-
£1,774 GBP
$2,377 USD
View
B+
Retailer 19
-
£1,816 GBP
$2,434 USD
View
B
Retailer 20
-
£2,452 GBP
View
Most Expensive
B
Brilliant Earth
21329941A · Oct 29
£2,739 GBP
$3,670 USD
View
20 more retailers have this diamond
Prices start from £453 GBPSave up to £2,286 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
5.09ct Emerald
£453 GBP