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Emerald|Lab Grown|IGI

1.56ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1 • IGI LG673430451

Shape and cutting style on the report: Emerald cut

Certificate IGI LG673430451

Diamond specifications and retailer prices

From £396 GBP
$527 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: £396 GBP at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

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 LG673430451 or 673430451. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG673430451
Dimensions7.65 × 5.41 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.65 mm5.41 mm1.56 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG673430451
Side View
Table 64.0%Crown 35.1°Girdle: MediumPavilion 40.3°Culet: LargeDepth 68.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £396 GBP|Low: £387 GBP|High: £579 GBP|Avg: £451 GBP|-31.6%
September 23, 2026
B2C Jewels£396 GBP

4 data points across 1 retailer

1 retailer

B+
B2C Jewels
26981028 · Oct 29
£396 GBP
$527 USD
View

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B+
1.56ct Emerald
£396 GBP