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Emerald|Lab Grown|IGI

3.06ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1 • IGI LG841651750

Shape and cutting style on the report: Emerald cut

Certificate IGI LG841651750

Diamond specifications and retailer prices

From £492 GBP
As of October 28, 2026
Save £1,478 GBP (75%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,970 GBP at Brilliant Earth · As of October 27, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841651750 or 841651750. Listed at 2 retailers as of October 27, 2026, with prices from £492 to £1,970, a £1,478 spread on the same certified stone. Brilliant Earth lists it at £1,970. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841651750
Dimensions9.64 × 6.88 × 4.69 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
9.64 mm6.88 mm3.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841651750
Side View
Table 67.0%Crown 38.1°Girdle: MediumPavilion 40.1°Culet: LargeDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £1,970 GBP|Low: £491 GBP|High: £1,970 GBP|Avg: £1,247 GBP
Brilliant Earth
Retailer 2
October 28, 2026
Retailer 2£492 GBP
Brilliant Earth£1,970 GBP

10 data points across 2 retailers

2 retailers£492 GBP to £1,970 GBP

A
Cheapest Retailer
-
£492 GBP
Most Expensive
B
Brilliant Earth
21706222A · Oct 27
£1,970 GBP
$2,640 USD
View
1 more retailer has this diamond
Prices start from £492 GBPSave up to £1,478 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
£492 GBP