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Emerald|Lab Grown|IGI

1.02ct J SI2 Emerald Lab Grown Diamond

ID • J/SI2 • IGI LG407912674

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407912674

Diamond specifications and retailer prices

From £596 GBP
$798 USD
As of October 30, 2026
Save £1,346 GBP (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,603 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1.02ct lab-grown emerald diamond

This 1.02ct 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 LG407912674 or 407912674. Listed at 9 retailers as of October 28, 2026, with a 226% 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

1.02
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle23.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407912674
Dimensions6.68 × 4.97 × 3.15 mm
L/W Ratio1.34
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.68 mm4.97 mm1.02 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407912674
Side View
Table 65.5%Crown 23.5°Girdle: MediumPavilion 38.2°Culet: LNGDepth 63.4%

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: £2,603 GBP|Low: £572 GBP|High: £2,624 GBP|Avg: £1,194 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 21, 2026
Retailer 3£596 GBP
Retailer 7£666 GBP
Retailer 4£690 GBP
Retailer 6£690 GBP
Retailer 8£1,064 GBP
Retailer 5£1,114 GBP
Retailer 9£1,546 GBP
Retailer 2£1,643 GBP
MOH London£2,603 GBP

13 data points across 9 retailers

9 retailers£596 GBP to £1,942 GBP

A
Cheapest Retailer
-
£596 GBP
$798 USD
B+
Retailer 2
-
£648 GBP
$868 USD
View
B+
Retailer 3
-
£666 GBP
$893 USD
View
Final sale: no returns
B+
Retailer 4
-
£690 GBP
$925 USD
View
Retailer 5
-
£690 GBP
$925 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
£1,114 GBP
$1,493 USD
View
B
Retailer 7
-
£1,643 GBP
$2,201 USD
View
B
Retailer 8
-
£1,942 GBP
$2,602 USD
View
Most Expensive
MOH London
LG407912674 · Oct 21
£2,603 GBP
View
Price last confirmed 9 days ago
8 more retailers have this diamond
Prices start from £596 GBPSave up to £1,346 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
1.02ct Emerald
£596 GBP