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Emerald|Lab Grown|IGI

0.91ct E SI2 Emerald Lab Grown Diamond

ID • E/SI2 • IGI LG451078871

Shape and cutting style on the report: Emerald cut

Certificate IGI LG451078871

Diamond specifications and retailer prices

From £125 GBP
HK$1,300 HKD
As of October 29, 2026
Save £531 GBP (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £656 GBP at B2C Jewels · As of October 29, 2026
View at B2C Jewels

About this 0.91ct lab-grown emerald diamond

This 0.91ct lab-grown emerald sits in the just-under-one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451078871 or 451078871. Listed at 4 retailers as of October 29, 2026, with prices from £125 to £656, a £531 spread on the same certified stone. B2C Jewels lists it at £656. 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

0.91
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle24.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451078871
Dimensions6.24 × 4.54 × 3.13 mm
L/W Ratio1.37
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by high pressure high temperature process (HPHT) Type II
Top View
6.24 mm4.54 mm0.91 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451078871
Side View
Table 65.0%Crown 24.5°Girdle: THK-VTKPavilion 40.6°Culet: LNGDepth 68.9%

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 29
Current: £656 GBP|Low: £125 GBP|High: £656 GBP|Avg: £343 GBP
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 4, 2026
Retailer 8£125 GBP
Retailer 5£182 GBP
Retailer 6£227 GBP
Retailer 7£291 GBP
Retailer 2£300 GBP
Retailer 3£319 GBP
Retailer 9£348 GBP
Retailer 4£349 GBP
Retailer 10£638 GBP
B2C Jewels£656 GBP

3 data points across 10 retailers

4 retailers£125 GBP to £656 GBP

A
Cheapest Retailer
-
£125 GBP
HK$1,300 HKD
B+
Retailer 2
-
£300 GBP
$400 USD
View
B
Retailer 3
-
£348 GBP
View
Most Expensive
B
B2C Jewels
19123911 · Oct 29
£656 GBP
$874 USD
View
3 more retailers have this diamond
Prices start from £125 GBPSave up to £531 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
0.91ct Emerald
£125 GBP