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Emerald|Lab Grown|IGI

1.01ct J SI2 Emerald Lab Grown Diamond

ID • J/SI2 • IGI LG407997021

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407997021

Diamond specifications and retailer prices

From £593 GBP
$790 USD
As of October 30, 2026
Save £2,001 GBP (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,594 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown emerald diamond

This 1.01ct lab-grown emerald sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407997021 or 407997021. Listed at 8 retailers as of October 29, 2026, with prices from £593 to £2,594, a £2,001 spread on the same certified stone. MOH London lists it at £2,594. 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

1.01
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle28.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407997021
Dimensions6.82 × 4.60 × 3.20 mm
L/W Ratio1.48
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.82 mm4.60 mm1.01 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407997021
Side View
Table 67.5%Crown 28.5°Girdle: STK-THKPavilion 40°Culet: LNGDepth 69.6%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £2,594 GBP|Low: £570 GBP|High: £2,611 GBP|Avg: £1,310 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3£593 GBP
Retailer 4£689 GBP
Retailer 6£689 GBP
Retailer 7£1,063 GBP
Retailer 5£1,111 GBP
Retailer 8£1,541 GBP
Retailer 2£1,637 GBP
MOH London£2,594 GBP

11 data points across 8 retailers

8 retailers£593 GBP to £2,594 GBP

A
Cheapest Retailer
-
£593 GBP
$790 USD
B+
Retailer 2
-
£646 GBP
$860 USD
View
B+
Retailer 3
-
£689 GBP
$917 USD
View
Retailer 4
-
£689 GBP
$917 USD
View
Price last confirmed 17 days ago
B
Retailer 5
-
£1,111 GBP
$1,479 USD
View
B
Retailer 6
-
£1,637 GBP
$2,180 USD
View
C
Retailer 7
-
£1,935 GBP
$2,577 USD
View
Most Expensive
B
MOH London
LG407997021 · Oct 29
£2,594 GBP
View
7 more retailers have this diamond
Prices start from £593 GBPSave up to £2,001 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
1.01ct Emerald
£593 GBP