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Emerald|Lab Grown|IGI

0.91ct I SI2 Emerald Lab Grown Diamond

ID • I/SI2 • IGI LG436045823

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045823

Diamond specifications and retailer prices

From £473 GBP
$630 USD
As of October 29, 2026
Save £1,962 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,435 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown emerald diamond

This 0.91ct lab-grown emerald sits in the just-under-one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045823 or 436045823. Listed at 11 retailers as of October 29, 2026, with prices from £473 to £2,435, a £1,962 spread on the same certified stone. MOH London lists it at £2,435. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045823
Dimensions6.40 × 4.64 × 3.06 mm
L/W Ratio1.38
Culet sizeLong
Cert comments
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Top View
6.40 mm4.64 mm0.91 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045823
Side View
Table 67.5%Crown 32.3°Girdle: ThickPavilion 37.4°Culet: LNGDepth 65.9%

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 29
Current: £2,435 GBP|Low: £473 GBP|High: £2,451 GBP|Avg: £915 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 9£473 GBP
Retailer 8£496 GBP
Retailer 14£539 GBP
Retailer 3£554 GBP
Retailer 10£575 GBP
Retailer 13£575 GBP
Retailer 5£607 GBP
Retailer 4£917 GBP
Retailer 11£937 GBP
Retailer 2£997 GBP
Retailer 6£1,287 GBP
Retailer 7£1,469 GBP
Retailer 12£1,617 GBP
MOH London£2,435 GBP

22 data points across 14 retailers

11 retailers£473 GBP to £2,435 GBP

A
Cheapest Retailer
-
£473 GBP
$630 USD
B+
Retailer 2
-
£496 GBP
$660 USD
View
B+
Retailer 3
-
£539 GBP
$718 USD
View
B+
Retailer 4
-
£554 GBP
$738 USD
View
Final sale: no returns
B+
Retailer 5
-
£575 GBP
$766 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£575 GBP
$766 USD
View
B
Retailer 7
-
£937 GBP
$1,248 USD
View
B
Retailer 8
-
£997 GBP
€1,265 EUR
View
B
Retailer 9
-
£1,469 GBP
$1,956 USD
View
B
Retailer 10
-
£1,617 GBP
$2,153 USD
View
Most Expensive
B
MOH London
LG436045823 · Oct 29
£2,435 GBP
View
10 more retailers have this diamond
Prices start from £473 GBPSave up to £1,962 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
£473 GBP