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Emerald|Lab Grown|IGI

3.10ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG843607560

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843607560

Diamond specifications and retailer prices

From £266 GBP
$356 USD
As of November 1, 2026
Save £1,675 GBP (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,940 GBP at Brilliant Earth · As of October 31, 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 LG843607560 or 843607560. Listed at 8 retailers as of October 31, 2026, with prices from £266 to £1,940, a £1,675 spread on the same certified stone. Brilliant Earth lists it at £1,940. 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 angle36.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843607560
Dimensions9.81 × 7.04 × 4.65 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.81 mm7.04 mm3.10 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843607560
Side View
Table 66.0%Crown 36.8°Girdle: MediumPavilion 39.7°Culet: LargeDepth 66.1%

Caratlytics Score

How it works →
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: Nov 1
Current: £1,286 GBP|Low: £266 GBP|High: £1,333 GBP|Avg: £879 GBP|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5£266 GBP
Retailer 2£531 GBP
Retailer 4£965 GBP
Retailer 3£966 GBP
Retailer 1£1,286 GBP
Retailer 6£1,333 GBP

15 data points across 6 retailers

8 retailers£266 GBP to £1,940 GBP

A
Cheapest Retailer
-
£266 GBP
$356 USD
A
Retailer 2
-
£531 GBP
€677 EUR
View
B
Retailer 3
-
£965 GBP
$1,293 USD
View
B
Retailer 4
-
£966 GBP
$1,295 USD
View
B+
Retailer 5
-
£1,058 GBP
$1,417 USD
View
B
Retailer 6
-
£1,286 GBP
View
Retailer 7
-
£1,333 GBP
SGD 2,413 SGD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
21712441A · Oct 31
£1,940 GBP
$2,600 USD
View
7 more retailers have this diamond
Prices start from £266 GBPSave up to £1,675 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
£266 GBP