CaratHunter
Plans
Emerald|Lab Grown|IGI

3.06ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG642405972

Shape and cutting style on the report: Emerald cut

Certificate IGI LG642405972

Diamond specifications and retailer prices

From £276 GBP
$370 USD
As of October 30, 2026
Save £1,620 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,896 GBP at Brilliant Earth · As of October 30, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG642405972 or 642405972. Listed at 11 retailers as of October 30, 2026, with prices from £276 to £1,896, a £1,620 spread on the same certified stone. Brilliant Earth lists it at £1,896. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642405972
Dimensions9.76 × 6.95 × 4.59 mm
L/W Ratio1.40
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.76 mm6.95 mm3.06 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642405972
Side View
Table 63.0%Crown 37°Girdle: MediumPavilion 38.4°Culet: LNGDepth 66.0%

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: £1,896 GBP|Low: £265 GBP|High: £1,948 GBP|Avg: £693 GBP|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 8£276 GBP
Retailer 2£316 GBP
Retailer 5£320 GBP
Retailer 3£343 GBP
Retailer 10£343 GBP
Retailer 6£459 GBP
Retailer 12£459 GBP
Retailer 7£578 GBP
Retailer 9£600 GBP
Retailer 11£614 GBP
Retailer 15£859 GBP
Retailer 4£1,100 GBP
Retailer 13£1,339 GBP
Retailer 14£1,377 GBP
Brilliant Earth£1,896 GBP

44 data points across 15 retailers

11 retailers£276 GBP to £1,896 GBP

A
Cheapest Retailer
-
£276 GBP
$370 USD
A
Retailer 2
-
£316 GBP
$423 USD
View
Final sale: no returns
A
Retailer 3
-
£343 GBP
$459 USD
View
A
Retailer 4
-
£343 GBP
$459 USD
View
B+
Retailer 5
-
£459 GBP
$615 USD
View
A
Retailer 6
-
£459 GBP
$615 USD
View
A
Retailer 7
-
£578 GBP
$774 USD
View
B+
Retailer 8
-
£600 GBP
€766 EUR
View
A
Retailer 9
-
£614 GBP
View
B+
Retailer 10
-
£859 GBP
$1,151 USD
View
Most Expensive
B
Brilliant Earth
11915007A · Oct 30
£1,896 GBP
$2,540 USD
View
10 more retailers have this diamond
Prices start from £276 GBPSave up to £1,620 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
£276 GBP