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Emerald|Lab Grown|IGI

3.76ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG666401292

Shape and cutting style on the report: Emerald cut

Certificate IGI LG666401292

Diamond specifications and retailer prices

From £272 GBP
$365 USD
As of October 30, 2026
Save £1,055 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,327 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.76ct lab-grown emerald diamond

This 3.76ct lab-grown emerald sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG666401292 or 666401292. Listed at 11 retailers as of October 29, 2026, with prices from £272 to £1,327, a £1,055 spread on the same certified stone. MOH London lists it at £1,327. 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

3.76
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG666401292
Dimensions10.74 × 7.21 × 4.93 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.74 mm7.21 mm3.76 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG666401292
Side View
Table 67.0%Crown 40.1°Girdle: MediumPavilion 40.9°Culet: LargeDepth 68.4%

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: £1,327 GBP|Low: £272 GBP|High: £3,247 GBP|Avg: £1,256 GBP
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
October 31, 2026
Retailer 10£272 GBP
Retailer 3£316 GBP
Retailer 12£338 GBP
Retailer 14£373 GBP
Retailer 11£452 GBP
Retailer 9£540 GBP
Retailer 13£594 GBP
Retailer 2£605 GBP
Retailer 5£838 GBP
Retailer 8£991 GBP
Retailer 15£1,087 GBP
MOH London£1,327 GBP
Retailer 7£2,416 GBP
Retailer 6£3,076 GBP
Retailer 4£3,247 GBP

5 data points across 15 retailers

11 retailers£272 GBP to £1,327 GBP

A
Cheapest Retailer
-
£272 GBP
$365 USD
A
Retailer 2
-
£316 GBP
$424 USD
View
A
Retailer 3
-
£338 GBP
$453 USD
View
A
Retailer 4
-
£373 GBP
HK$3,900 HKD
View
A
Retailer 5
-
£452 GBP
$605 USD
View
B+
Retailer 6
-
£540 GBP
$724 USD
View
A
Retailer 7
-
£594 GBP
$796 USD
View
A
Retailer 8
-
£605 GBP
View
B+
Retailer 9
-
£991 GBP
$1,328 USD
View
B+
Retailer 10
-
£1,087 GBP
$1,456 USD
View
Most Expensive
B+
MOH London
LG666401292 · Oct 29
£1,327 GBP
View
10 more retailers have this diamond
Prices start from £272 GBPSave up to £1,055 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
3.76ct Emerald
£272 GBP