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Emerald|Lab Grown|IGI

0.90ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG571301663

Shape and cutting style on the report: Emerald cut

Certificate IGI LG571301663

Diamond specifications and retailer prices

From £99 GBP
$132 USD
As of October 30, 2026
Save £811 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £910 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.9ct lab-grown emerald diamond

This 0.9ct lab-grown emerald sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG571301663 or 571301663. Listed at 16 retailers as of October 30, 2026, with prices from £99 to £910, a £811 spread on the same certified stone. MOH London lists it at £910. 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

0.90
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571301663
Dimensions6.30 × 4.42 × 3.03 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.30 mm4.42 mm0.90 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571301663
Side View
Table 66.0%Crown 36.3°Girdle: STK-THKPavilion 37.2°Culet: LNGDepth 68.6%

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 30
Current: £910 GBP|Low: £88 GBP|High: £920 GBP|Avg: £258 GBP|-1.0%
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
Retailer 15
November 1, 2026
Retailer 6£88 GBP
Retailer 3£99 GBP
Retailer 4£102 GBP
Retailer 7£115 GBP
Retailer 12£116 GBP
Retailer 9£206 GBP
Retailer 14£212 GBP
Retailer 2£221 GBP
Retailer 10£224 GBP
Retailer 11£269 GBP
Retailer 5£291 GBP
Retailer 13£317 GBP
Retailer 15£350 GBP
Retailer 8£358 GBP
MOH London£910 GBP

39 data points across 15 retailers

16 retailers£99 GBP to £910 GBP

Retailer 1
-
£88 GBP
$118 USD
Price last confirmed 39 days ago
A
Retailer 2
-
£99 GBP
$132 USD
View
Final sale: no returns
Retailer 3
-
£102 GBP
$137 USD
View
Price last confirmed 38 days ago
Retailer 4
-
£115 GBP
$154 USD
View
Price last confirmed 37 days ago
Retailer 5
-
£116 GBP
$155 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£206 GBP
€263 EUR
View
A
Retailer 7
-
£212 GBP
$284 USD
View
A
Retailer 8
-
£221 GBP
View
A
Retailer 9
-
£224 GBP
View
B+
Retailer 10
-
£269 GBP
$360 USD
View
B+
Retailer 11
-
£291 GBP
$390 USD
View
B+
Retailer 12
-
£317 GBP
$425 USD
View
B+
Retailer 13
-
£332 GBP
View
Retailer 14
-
£350 GBP
$469 USD
View
Price last confirmed 32 days ago
B+
Retailer 15
-
£358 GBP
$480 USD
View
Most Expensive
B
MOH London
LG571301663 · Nov 1
£910 GBP
View
15 more retailers have this diamond
Prices start from £99 GBPSave up to £811 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
0.90ct Emerald
£99 GBP