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Emerald|Lab Grown|IGI

5.51ct E VS2 Emerald Lab Grown Diamond

ID • E/VS2 • IGI LG817636911

Shape and cutting style on the report: Emerald cut

Certificate IGI LG817636911

Diamond specifications and retailer prices

From £514 GBP
$685 USD
As of October 30, 2026
Save £2,546 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,060 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.51ct lab-grown emerald diamond

This 5.51ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817636911 or 817636911. Listed at 18 retailers as of October 28, 2026, with prices from £514 to £3,060, a £2,546 spread on the same certified stone. Rare Carat lists it at £3,060. 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

5.51
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817636911
Dimensions12.56 × 8.11 × 5.56 mm
L/W Ratio1.55
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.56 mm8.11 mm5.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817636911
Side View
Table 71.0%Crown 35.2°Girdle: MediumPavilion 44°Culet: LargeDepth 68.6%

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: £3,060 GBP|Low: £406 GBP|High: £3,075 GBP|Avg: £1,323 GBP|-0.5%
Rare Carat
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
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Retailer 17
Retailer 18
October 30, 2026
Retailer 17£514 GBP
Retailer 10£559 GBP
Retailer 7£576 GBP
Retailer 3£597 GBP
Retailer 13£597 GBP
Retailer 11£728 GBP
Retailer 5£898 GBP
Retailer 2£955 GBP
Retailer 6£971 GBP
Retailer 14£1,524 GBP
Retailer 16£1,678 GBP
Retailer 15£1,685 GBP
Retailer 4£1,854 GBP
Retailer 9£1,963 GBP
Retailer 8£2,036 GBP
Retailer 18£2,058 GBP
Retailer 12£2,527 GBP
Rare Carat£3,060 GBP

44 data points across 18 retailers

18 retailers£514 GBP to £3,060 GBP

A
Cheapest Retailer
-
£514 GBP
$685 USD
A
Retailer 2
-
£559 GBP
$745 USD
View
A
Retailer 3
-
£576 GBP
$767 USD
View
Final sale: no returns
A
Retailer 4
-
£597 GBP
$795 USD
View
Retailer 5
-
£597 GBP
$795 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£728 GBP
$970 USD
View
A
Retailer 7
-
£898 GBP
$1,196 USD
View
A
Retailer 8
-
£955 GBP
View
B+
Retailer 9
-
£971 GBP
$1,293 USD
View
B+
Retailer 10
-
£1,524 GBP
$2,030 USD
View
B+
Retailer 11
-
£1,678 GBP
$2,234 USD
View
B+
Retailer 12
-
£1,685 GBP
$2,244 USD
View
B+
Retailer 13
-
£1,854 GBP
View
B+
Retailer 14
-
£1,963 GBP
$2,614 USD
View
B+
Retailer 15
-
£2,036 GBP
$2,711 USD
View
B+
Retailer 16
-
£2,058 GBP
$2,740 USD
View
Retailer 17
-
£2,527 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Rare Carat
N-02_l_817636911 · Oct 28
£3,060 GBP
$4,075 USD
View
17 more retailers have this diamond
Prices start from £514 GBPSave up to £2,546 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
5.51ct Emerald
£514 GBP