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Emerald|Lab Grown|IGI

3.06ct D SI1 Emerald Lab Grown Diamond

EX • D/SI1 • IGI LG841654938

Shape and cutting style on the report: Emerald cut

Certificate IGI LG841654938

Diamond specifications and retailer prices

From £241 GBP
As of November 4, 2026
Save £1,788 GBP (88%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,028 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841654938 or 841654938. Listed at 3 retailers as of November 4, 2026, with prices from £241 to £2,028, a £1,788 spread on the same certified stone. Brilliant Earth lists it at £2,028. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841654938
Dimensions9.95 × 6.84 × 4.55 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.95 mm6.84 mm3.06 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841654938
Side View
Table 61.0%Crown 36.3°Girdle: MediumPavilion 39.7°Culet: LargeDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £2,028 GBP|Low: £241 GBP|High: £2,036 GBP|Avg: £993 GBP|-0.4%
Brilliant Earth
Retailer 2
Retailer 3
November 6, 2026
Retailer 3£241 GBP
Retailer 2£488 GBP
Brilliant Earth£2,028 GBP

24 data points across 3 retailers

3 retailers£241 GBP to £2,028 GBP

A
Cheapest Retailer
-
£241 GBP
Final sale: no returns
A
Retailer 2
-
£488 GBP
View
Most Expensive
B
Brilliant Earth
21706232A · Nov 4
£2,028 GBP
$2,730 USD
View
2 more retailers have this diamond
Prices start from £241 GBPSave up to £1,788 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
£241 GBP