CaratHunter
Plans
Emerald|Lab Grown|IGI

1.56ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG824610746

Shape and cutting style on the report: Emerald cut

Certificate IGI LG824610746

Diamond specifications and retailer prices

From £225 GBP
$300 USD
As of October 27, 2026
Save £916 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,141 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.56ct lab-grown emerald diamond

This 1.56ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG824610746 or 824610746. Listed at 11 retailers as of October 27, 2026, with prices from £225 to £1,141, a £916 spread on the same certified stone. Brilliant Earth lists it at £1,141. 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

1.56
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG824610746
Dimensions7.92 × 5.50 × 3.45 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm5.50 mm1.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG824610746
Side View
Table 68.0%Crown 33.6°Girdle: MediumPavilion 40.6°Culet: LargeDepth 62.7%

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 27
Current: £1,141 GBP|Low: £225 GBP|High: £1,675 GBP|Avg: £672 GBP|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6£225 GBP
Retailer 7£279 GBP
Retailer 3£398 GBP
Retailer 8£457 GBP
Retailer 2£496 GBP
Retailer 5£858 GBP
Retailer 4£1,122 GBP
Brilliant Earth£1,141 GBP

40 data points across 8 retailers

11 retailers£225 GBP to £1,141 GBP

A
Cheapest Retailer
-
£225 GBP
$300 USD
A
Retailer 2
-
£261 GBP
$348 USD
View
A
Retailer 3
-
£279 GBP
$372 USD
View
A
Retailer 4
-
£279 GBP
$372 USD
View
B+
Retailer 5
-
£398 GBP
$530 USD
View
B+
Retailer 6
-
£457 GBP
$608 USD
View
B+
Retailer 7
-
£496 GBP
View
B
Retailer 8
-
£858 GBP
$1,143 USD
View
B
Retailer 9
-
£898 GBP
$1,196 USD
View
B
Retailer 10
-
£1,122 GBP
View
Most Expensive
B
Brilliant Earth
21067415A · Oct 29
£1,141 GBP
$1,520 USD
View
10 more retailers have this diamond
Prices start from £225 GBPSave up to £916 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
1.56ct Emerald
£225 GBP