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Emerald|Lab Grown|IGI

0.90ct F SI1 Emerald Lab Grown Diamond

EX • F/SI1 • IGI LG494193298

Shape and cutting style on the report: Emerald cut

Certificate IGI LG494193298

Diamond specifications and retailer prices

From £257 GBP
$344 USD
As of October 31, 2026
12 retailers carry this diamond
Most expensive: £960 GBP at MOH London · As of October 8, 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 LG494193298 or 494193298. Listed at 12 retailers as of October 31, 2026. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle26.4°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494193298
Dimensions6.37 × 4.52 × 3.07 mm
L/W Ratio1.41
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
6.37 mm4.52 mm0.90 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG494193298
Side View
Table 71.0%Crown 26.4°Girdle: MED-STKPavilion 43.8°Culet: LNGDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £960 GBP|Low: £142 GBP|High: £2,015 GBP|Avg: £581 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 16, 2026
Retailer 8£142 GBP
Retailer 6£207 GBP
Retailer 4£226 GBP
Retailer 7£242 GBP
Retailer 3£257 GBP
Retailer 2£370 GBP
Retailer 9£597 GBP
Retailer 5£933 GBP
MOH London£960 GBP
Retailer 10£2,015 GBP

25 data points across 10 retailers

12 retailers

Retailer 1
-
£84 GBP
$112 USD
Price last confirmed 21 days ago
Retailer 2
-
£96 GBP
$129 USD
View
Price last confirmed 22 days ago
Retailer 3
-
£110 GBP
$147 USD
View
Price last confirmed 29 days ago
Retailer 4
-
£110 GBP
$147 USD
View
Price last confirmed 20 days ago
Retailer 5
-
£142 GBP
$190 USD
View
Price last confirmed 20 days ago
Retailer 6
-
£207 GBP
$277 USD
View
Price last confirmed 19 days ago
Retailer 7
-
£226 GBP
View
Price last confirmed 19 days ago
Retailer 8
-
£242 GBP
View
Price last confirmed 20 days ago
B+
Retailer 9
-
£257 GBP
$344 USD
View
Retailer 10
-
£366 GBP
$491 USD
View
Price last confirmed 25 days ago
Retailer 11
-
£370 GBP
$496 USD
View
Price last confirmed 16 days ago
Most Expensive
MOH London
LG494193298 · Oct 8
£960 GBP
View
Price last confirmed 24 days ago
11 more retailers have this diamond
Prices start from £257 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.

B+
0.90ct Emerald
£257 GBP