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Emerald|Lab Grown|IGI

3.01ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG685540436

Shape and cutting style on the report: Emerald cut

Certificate IGI LG685540436

Diamond specifications and retailer prices

From £414 GBP
$555 USD
As of October 30, 2026
Save £1,526 GBP (79%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,940 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.01ct lab-grown emerald diamond

This 3.01ct 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 LG685540436 or 685540436. Listed at 7 retailers as of October 30, 2026, with prices from £414 to £1,940, a £1,526 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

3.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685540436
Dimensions9.23 × 6.87 × 4.84 mm
L/W Ratio1.34
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.23 mm6.87 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685540436
Side View
Table 67.0%Crown 39.7°Girdle: Slightly ThickPavilion 39°Culet: LargeDepth 70.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,940 GBP|Low: £414 GBP|High: £3,403 GBP|Avg: £881 GBP|-43.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3£414 GBP
Retailer 5£544 GBP
Retailer 4£551 GBP
Retailer 2£600 GBP
Retailer 6£1,240 GBP
Retailer 7£1,496 GBP
Brilliant Earth£1,940 GBP

42 data points across 7 retailers

7 retailers£414 GBP to £1,940 GBP

B+
Cheapest Retailer
-
£414 GBP
$555 USD
A
Retailer 2
-
£544 GBP
€694 EUR
View
A
Retailer 3
-
£551 GBP
View
A
Retailer 4
-
£600 GBP
$804 USD
View
B+
Retailer 5
-
£1,240 GBP
View
Retailer 6
-
£1,496 GBP
$2,005 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
22200469A · Oct 30
£1,940 GBP
$2,600 USD
View
6 more retailers have this diamond
Prices start from £414 GBPSave up to £1,526 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
3.01ct Emerald
£414 GBP