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Emerald|Lab Grown|IGI

3.10ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG843662695

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843662695

Diamond specifications and retailer prices

From £215 GBP
$288 USD
As of October 29, 2026
Save £1,718 GBP (89%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,933 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 3.1ct lab-grown emerald diamond

This 3.1ct 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 LG843662695 or 843662695. Listed at 3 retailers as of October 27, 2026, with prices from £215 to £1,933, a £1,718 spread on the same certified stone. Brilliant Earth lists it at £1,933. 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

3.10
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843662695
Dimensions9.70 × 6.91 × 4.79 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.70 mm6.91 mm3.10 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843662695
Side View
Table 64.0%Crown 38.6°Girdle: MediumPavilion 39.8°Culet: LargeDepth 69.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £1,933 GBP|Low: £215 GBP|High: £1,933 GBP|Avg: £1,074 GBP
Brilliant Earth
Retailer 2
Retailer 3
October 28, 2026
Retailer 3£215 GBP
Retailer 2£476 GBP
Brilliant Earth£1,933 GBP

8 data points across 3 retailers

3 retailers£215 GBP to £1,933 GBP

A
Cheapest Retailer
-
£215 GBP
$288 USD
Final sale: no returns
A
Retailer 2
-
£476 GBP
View
Most Expensive
B
Brilliant Earth
21759855A · Oct 27
£1,933 GBP
$2,590 USD
View
2 more retailers have this diamond
Prices start from £215 GBPSave up to £1,718 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
3.10ct Emerald
£215 GBP