Emerald|Lab Grown|IGI

4.06ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG637458963

Shape and cutting style on the report: Emerald cut

Certificate IGI LG637458963

Diamond specifications and retailer prices

From £534 GBP
$715 USD
As of November 2, 2026
Save £1,032 GBP (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,075 GBP at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 4.06ct lab-grown emerald diamond

This 4.06ct 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 LG637458963 or 637458963. Listed at 13 retailers as of October 26, 2026, with a 193% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.06
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG637458963
Dimensions7.53 × 5.04 × 5.04 mm
L/W Ratio1.49
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm5.04 mm4.06 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG637458963
Side View
Table 68.0%Crown 41.5°Girdle: Slightly ThickPavilion 37.1°Culet: LNGDepth 66.9%

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: Nov 2
Current: £2,075 GBP|Low: £330 GBP|High: £2,142 GBP|Avg: £811 GBP|-3.1%
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
November 2, 2026
Retailer 12£330 GBP
Retailer 6£369 GBP
Retailer 4£384 GBP
Retailer 14£420 GBP
Retailer 11£425 GBP
Retailer 7£534 GBP
Retailer 10£649 GBP
Retailer 13£666 GBP
Retailer 5£678 GBP
Retailer 2£705 GBP
Retailer 9£1,145 GBP
Retailer 3£1,369 GBP
Retailer 8£1,566 GBP
Brilliant Earth£2,075 GBP

43 data points across 14 retailers

13 retailers£534 GBP to £1,566 GBP

Retailer 1
-
£330 GBP
$442 USD
Price last confirmed 31 days ago
Retailer 2
-
£384 GBP
$515 USD
View
Price last confirmed 38 days ago
Retailer 3
-
£420 GBP
$563 USD
View
Price last confirmed 34 days ago
Retailer 4
-
£425 GBP
$570 USD
View
Price last confirmed 17 days ago
B+
Retailer 5
-
£534 GBP
$715 USD
View
B+
Retailer 6
-
£666 GBP
$893 USD
View
A
Retailer 7
-
£678 GBP
$909 USD
View
A
Retailer 8
-
£705 GBP
View
B
Retailer 9
-
£1,145 GBP
$1,534 USD
View
Retailer 10
-
£1,369 GBP
$1,834 USD
View
Price last confirmed 32 days ago
B
Retailer 11
-
£1,392 GBP
$1,865 USD
View
B
Retailer 12
-
£1,566 GBP
View
Most Expensive
Brilliant Earth
15804326A · Oct 18
£2,075 GBP
$2,780 USD
View
Price last confirmed 14 days ago
12 more retailers have this diamond
Prices start from £534 GBPSave up to £1,032 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
4.06ct Emerald
£534 GBP