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Emerald|Lab Grown|IGI

5.07ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG717553477

Shape and cutting style on the report: Emerald cut

Certificate IGI LG717553477

Diamond specifications and retailer prices

From £421 GBP
$564 USD
As of October 30, 2026
Save £2,617 GBP (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,038 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.07ct lab-grown emerald diamond

This 5.07ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG717553477 or 717553477. Listed at 16 retailers as of October 29, 2026, with prices from £421 to £3,038, a £2,617 spread on the same certified stone. Brilliant Earth lists it at £3,038. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.07
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717553477
Dimensions11.93 × 7.86 × 5.36 mm
L/W Ratio1.52
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.93 mm7.86 mm5.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717553477
Side View
Table 67.0%Crown 37.4°Girdle: MediumPavilion 41.4°Culet: LargeDepth 68.2%

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: £3,038 GBP|Low: £404 GBP|High: £3,127 GBP|Avg: £1,025 GBP|-2.9%
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
October 30, 2026
Retailer 11£421 GBP
Retailer 6£470 GBP
Retailer 4£471 GBP
Retailer 3£522 GBP
Retailer 12£522 GBP
Retailer 9£619 GBP
Retailer 7£781 GBP
Retailer 5£788 GBP
Retailer 13£804 GBP
Retailer 2£814 GBP
Retailer 10£1,167 GBP
Retailer 14£1,372 GBP
Retailer 8£2,277 GBP
Brilliant Earth£3,038 GBP

44 data points across 14 retailers

16 retailers£421 GBP to £3,038 GBP

A
Cheapest Retailer
-
£421 GBP
$564 USD
A
Retailer 2
-
£470 GBP
$630 USD
View
Final sale: no returns
A
Retailer 3
-
£471 GBP
$631 USD
View
Retailer 4
-
£522 GBP
$699 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£522 GBP
$699 USD
View
A
Retailer 6
-
£619 GBP
$830 USD
View
A
Retailer 7
-
£781 GBP
€997 EUR
View
A
Retailer 8
-
£788 GBP
$1,056 USD
View
B+
Retailer 9
-
£804 GBP
$1,077 USD
View
A
Retailer 10
-
£814 GBP
View
B+
Retailer 11
-
£1,167 GBP
$1,563 USD
View
B+
Retailer 12
-
£1,372 GBP
$1,838 USD
View
B
Retailer 13
-
£1,675 GBP
$2,245 USD
View
B
Retailer 14
-
£1,691 GBP
$2,266 USD
View
B
Retailer 15
-
£2,277 GBP
View
Most Expensive
B
Brilliant Earth
15690223A · Oct 29
£3,038 GBP
$4,070 USD
View
15 more retailers have this diamond
Prices start from £421 GBPSave up to £2,617 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
5.07ct Emerald
£421 GBP