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Emerald|Lab Grown|IGI

5.10ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG687554837

Shape and cutting style on the report: Emerald cut

Certificate IGI LG687554837

Diamond specifications and retailer prices

From £740 GBP
$992 USD
As of October 30, 2026
Save £1,736 GBP (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,477 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 5.1ct lab-grown emerald diamond

This 5.1ct 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 LG687554837 or 687554837. Listed at 4 retailers as of October 29, 2026, with prices from £740 to £2,477, a £1,736 spread on the same certified stone. MOH London lists it at £2,477. 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

5.10
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687554837
Dimensions11.63 × 7.91 × 5.35 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
11.63 mm7.91 mm5.10 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687554837
Side View
Table 72.0%Crown 41°Girdle: MED-STKPavilion 35.9°Culet: LargeDepth 67.6%

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: £2,477 GBP|Low: £740 GBP|High: £2,477 GBP|Avg: £1,193 GBP|+5.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4£740 GBP
Retailer 3£830 GBP
Retailer 2£888 GBP
MOH London£2,477 GBP

38 data points across 4 retailers

4 retailers£740 GBP to £2,477 GBP

B+
Cheapest Retailer
-
£740 GBP
$992 USD
A
Retailer 2
-
£830 GBP
$1,112 USD
View
A
Retailer 3
-
£888 GBP
View
Most Expensive
B
MOH London
LG687554837 · Oct 29
£2,477 GBP
View
3 more retailers have this diamond
Prices start from £740 GBPSave up to £1,736 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
5.10ct Emerald
£740 GBP