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Emerald|Lab Grown|IGI

3.05ct F SI1 Emerald Lab Grown Diamond

EX • F/SI1 • IGI LG844632500

Shape and cutting style on the report: Emerald cut

Certificate IGI LG844632500

Diamond specifications and retailer prices

From £495 GBP
As of October 28, 2026
Save £1,409 GBP (74%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,903 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 3.05ct lab-grown emerald diamond

This 3.05ct 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 LG844632500 or 844632500. Listed at 2 retailers as of October 27, 2026, with prices from £495 to £1,903, a £1,409 spread on the same certified stone. Brilliant Earth lists it at £1,903. 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

3.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844632500
Dimensions9.68 × 6.91 × 4.61 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
9.68 mm6.91 mm3.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844632500
Side View
Table 63.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.2°Culet: LargeDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £495 GBP|Low: £252 GBP|High: £541 GBP|Avg: £437 GBP|-8.7%
Retailer 1
Retailer 2
October 28, 2026
Retailer 2£252 GBP
Retailer 1£495 GBP

11 data points across 2 retailers

2 retailers£495 GBP to £1,903 GBP

A
Cheapest Retailer
-
£495 GBP
Most Expensive
B
Brilliant Earth
22003021A · Oct 27
£1,903 GBP
$2,550 USD
View
1 more retailer has this diamond
Prices start from £495 GBPSave up to £1,409 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
3.05ct Emerald
£495 GBP