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Emerald|Lab Grown|IGI

4.51ct E VS2 Emerald Lab Grown Diamond

ID • E/VS2 • IGI LG627444479

Shape and cutting style on the report: Emerald cut

Certificate IGI LG627444479

Diamond specifications and retailer prices

From £620 GBP
$826 USD
As of October 30, 2026
Save £2,819 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,439 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.51ct lab-grown emerald diamond

This 4.51ct lab-grown emerald 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 LG627444479 or 627444479. Listed at 16 retailers as of October 29, 2026, with prices from £620 to £3,439, a £2,819 spread on the same certified stone. Brilliant Earth lists it at £3,439. 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

4.51
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627444479
Dimensions10.83 × 7.60 × 5.04 mm
L/W Ratio1.43
Culet sizeLong
Top View
10.83 mm7.60 mm4.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627444479
Side View
Table 69.0%Crown 43.4°Girdle: MED-STKPavilion 35.8°Culet: LNGDepth 66.3%

Caratlytics Score

How it works →
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: £3,439 GBP|Low: £586 GBP|High: £3,552 GBP|Avg: £1,442 GBP|-3.2%
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
Retailer 15
October 29, 2026
Retailer 11£620 GBP
Retailer 4£675 GBP
Retailer 7£695 GBP
Retailer 3£720 GBP
Retailer 12£720 GBP
Retailer 8£852 GBP
Retailer 6£984 GBP
Retailer 2£1,102 GBP
Retailer 14£1,159 GBP
Retailer 10£1,655 GBP
Retailer 5£1,991 GBP
Retailer 15£2,025 GBP
Retailer 13£2,252 GBP
Retailer 9£2,702 GBP
Brilliant Earth£3,439 GBP

42 data points across 15 retailers

16 retailers£620 GBP to £3,439 GBP

A
Cheapest Retailer
-
£620 GBP
$826 USD
A
Retailer 2
-
£675 GBP
$899 USD
View
A
Retailer 3
-
£695 GBP
$925 USD
View
Final sale: no returns
A
Retailer 4
-
£720 GBP
$959 USD
View
Retailer 5
-
£720 GBP
$959 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
£852 GBP
$1,135 USD
View
A
Retailer 7
-
£984 GBP
$1,311 USD
View
A
Retailer 8
-
£1,102 GBP
View
A
Retailer 9
-
£1,159 GBP
$1,544 USD
View
B+
Retailer 10
-
£1,655 GBP
$2,204 USD
View
B+
Retailer 11
-
£1,991 GBP
View
B+
Retailer 12
-
£2,025 GBP
$2,696 USD
View
B
Retailer 13
-
£2,252 GBP
$2,999 USD
View
B
Retailer 14
-
£2,702 GBP
View
B
Retailer 15
-
£3,278 GBP
HK$34,100 HKD
View
Most Expensive
B
Brilliant Earth
17976261A · Oct 29
£3,439 GBP
$4,580 USD
View
15 more retailers have this diamond
Prices start from £620 GBPSave up to £2,819 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
4.51ct Emerald
£620 GBP