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Emerald|Lab Grown|IGI

3.06ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG778659363

Shape and cutting style on the report: Emerald cut

Certificate IGI LG778659363

Diamond specifications and retailer prices

From £244 GBP
As of November 6, 2026
Save £1,666 GBP (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,909 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.06ct lab-grown emerald diamond

This 3.06ct 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 LG778659363 or 778659363. Listed at 15 retailers as of November 4, 2026, with prices from £244 to £1,909, a £1,666 spread on the same certified stone. Brilliant Earth lists it at £1,909. 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

3.06
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659363
Dimensions9.97 × 6.63 × 4.57 mm
L/W Ratio1.50
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.97 mm6.63 mm3.06 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659363
Side View
Table 63.0%Crown 35.2°Girdle: Slightly ThickPavilion 40.5°Culet: LargeDepth 68.9%

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 6
Current: £1,909 GBP|Low: £238 GBP|High: £1,976 GBP|Avg: £702 GBP|-3.4%
Brilliant Earth
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
November 5, 2026
Retailer 5£244 GBP
Retailer 11£283 GBP
Retailer 6£302 GBP
Retailer 14£302 GBP
Retailer 3£407 GBP
Retailer 10£416 GBP
Retailer 9£491 GBP
Retailer 2£536 GBP
Retailer 13£595 GBP
Retailer 8£887 GBP
Retailer 4£973 GBP
Retailer 7£1,208 GBP
Retailer 12£1,471 GBP
Brilliant Earth£1,909 GBP

45 data points across 14 retailers

15 retailers£244 GBP to £1,909 GBP

A
Cheapest Retailer
-
£244 GBP
A
Retailer 2
-
£283 GBP
View
Retailer 3
-
£302 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£302 GBP
View
B+
Retailer 5
-
£407 GBP
View
A
Retailer 6
-
£416 GBP
View
Retailer 7
-
£491 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£536 GBP
View
A
Retailer 9
-
£595 GBP
View
B+
Retailer 10
-
£758 GBP
View
B+
Retailer 11
-
£887 GBP
View
B
Retailer 12
-
£973 GBP
View
B+
Retailer 13
-
£1,208 GBP
View
Retailer 14
-
£1,471 GBP
View
Price last confirmed 16 days ago
Most Expensive
B
Brilliant Earth
18288590A · Nov 4
£1,909 GBP
$2,570 USD
View
14 more retailers have this diamond
Prices start from £244 GBPSave up to £1,666 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
3.06ct Emerald
£244 GBP