CaratHunter
Plans
Emerald|Lab Grown|IGI

3.07ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG809643662

Shape and cutting style on the report: Emerald cut

Certificate IGI LG809643662

Diamond specifications and retailer prices

From £325 GBP
HK$3,400 HKD
As of October 30, 2026
Save £1,914 GBP (85%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,239 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.07ct lab-grown emerald diamond

This 3.07ct 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 LG809643662 or 809643662. Listed at 7 retailers as of October 30, 2026, with prices from £325 to £2,239, a £1,914 spread on the same certified stone. Brilliant Earth lists it at £2,239. 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

3.07
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809643662
Dimensions9.54 × 6.80 × 4.79 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
9.54 mm6.80 mm3.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809643662
Side View
Table 69.0%Crown 41.7°Girdle: ThickPavilion 41.8°Culet: LargeDepth 70.4%

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: £2,239 GBP|Low: £325 GBP|High: £3,470 GBP|Avg: £864 GBP|-35.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7£325 GBP
Retailer 5£392 GBP
Retailer 3£469 GBP
Retailer 2£520 GBP
Retailer 6£587 GBP
Retailer 4£1,172 GBP
Brilliant Earth£2,239 GBP

42 data points across 7 retailers

7 retailers£325 GBP to £2,239 GBP

A
Cheapest Retailer
-
£325 GBP
HK$3,400 HKD
B+
Retailer 2
-
£392 GBP
$525 USD
View
A
Retailer 3
-
£469 GBP
€599 EUR
View
A
Retailer 4
-
£520 GBP
View
A
Retailer 5
-
£587 GBP
$786 USD
View
B+
Retailer 6
-
£1,172 GBP
View
Most Expensive
B
Brilliant Earth
20903222A · Oct 30
£2,239 GBP
$3,000 USD
View
6 more retailers have this diamond
Prices start from £325 GBPSave up to £1,914 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
3.07ct Emerald
£325 GBP