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Emerald|Lab Grown|IGI

1.58ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG656402047

Shape and cutting style on the report: Emerald cut

Certificate IGI LG656402047

Diamond specifications and retailer prices

From £118 GBP
$157 USD
As of October 27, 2026
Save £845 GBP (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £963 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.58ct lab-grown emerald diamond

This 1.58ct 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 LG656402047 or 656402047. Listed at 19 retailers as of October 27, 2026, with prices from £118 to £963, a £845 spread on the same certified stone. Brilliant Earth lists it at £963. 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

1.58
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656402047
Dimensions8.29 × 5.32 × 3.51 mm
L/W Ratio1.56
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.32 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656402047
Side View
Table 65.0%Crown 35.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 66.0%

Caratlytics Score

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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 27
Current: £963 GBP|Low: £118 GBP|High: £993 GBP|Avg: £412 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 10£118 GBP
Retailer 12£146 GBP
Retailer 5£188 GBP
Retailer 7£255 GBP
Retailer 8£264 GBP
Retailer 3£266 GBP
Retailer 2£279 GBP
Retailer 4£346 GBP
Retailer 9£496 GBP
Retailer 11£640 GBP
Retailer 6£687 GBP
Brilliant Earth£963 GBP

43 data points across 12 retailers

19 retailers£118 GBP to £963 GBP

A
Retailer 1
-
£118 GBP
$157 USD
Price last confirmed 37 days ago
A
Retailer 2
-
£118 GBP
$157 USD
View
A
Retailer 3
-
£137 GBP
$182 USD
View
A
Retailer 4
-
£144 GBP
$192 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
£146 GBP
$194 USD
View
A
Retailer 6
-
£146 GBP
$194 USD
View
A
Retailer 7
-
£188 GBP
View
A
Retailer 8
-
£255 GBP
View
A
Retailer 9
-
£264 GBP
View
B+
Retailer 10
-
£266 GBP
$353 USD
View
A
Retailer 11
-
£279 GBP
€353 EUR
View
A
Retailer 12
-
£346 GBP
$460 USD
View
B+
Retailer 13
-
£470 GBP
$624 USD
View
B+
Retailer 14
-
£496 GBP
$659 USD
View
B
Retailer 15
-
£640 GBP
$850 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
£667 GBP
$886 USD
View
Price last confirmed 50 days ago
B
Retailer 17
-
£687 GBP
View
B
Retailer 18
-
£689 GBP
$915 USD
View
Price last confirmed 80 days ago
Most Expensive
B
Brilliant Earth
13300006A · Oct 28
£963 GBP
$1,280 USD
View
18 more retailers have this diamond
Prices start from £118 GBPSave up to £845 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
1.58ct Emerald
£118 GBP