CaratHunter
Plans
Emerald|Lab Grown|IGI

1.01ct J SI1 Emerald Lab Grown Diamond

ID • J/SI1 • IGI LG407998499

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407998499

Diamond specifications and retailer prices

From £526 GBP
$700 USD
As of October 29, 2026
Save £2,184 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,709 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407998499 or 407998499. Listed at 11 retailers as of October 29, 2026, with prices from £526 to £2,709, a £2,184 spread on the same certified stone. MOH London lists it at £2,709. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle20°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407998499
Dimensions7.05 × 4.83 × 3.11 mm
L/W Ratio1.46
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.05 mm4.83 mm1.01 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407998499
Side View
Table 65.0%Crown 20°Girdle: MediumPavilion 41°Culet: LNGDepth 64.4%

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 29
Current: £2,709 GBP|Low: £526 GBP|High: £2,728 GBP|Avg: £1,268 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 7£526 GBP
Retailer 6£685 GBP
Retailer 12£745 GBP
Retailer 13£767 GBP
Retailer 8£794 GBP
Retailer 11£794 GBP
Retailer 3£927 GBP
Retailer 4£1,161 GBP
Retailer 9£1,274 GBP
Retailer 2£1,768 GBP
Retailer 10£2,234 GBP
Retailer 5£2,275 GBP
MOH London£2,709 GBP

17 data points across 13 retailers

11 retailers£526 GBP to £2,709 GBP

A
Cheapest Retailer
-
£526 GBP
$700 USD
B+
Retailer 2
-
£685 GBP
$912 USD
View
B+
Retailer 3
-
£745 GBP
$992 USD
View
B+
Retailer 4
-
£767 GBP
$1,021 USD
View
Final sale: no returns
B+
Retailer 5
-
£794 GBP
$1,058 USD
View
Retailer 6
-
£794 GBP
$1,058 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
£927 GBP
$1,235 USD
View
B
Retailer 8
-
£1,274 GBP
$1,697 USD
View
B
Retailer 9
-
£1,768 GBP
$2,354 USD
View
C
Retailer 10
-
£2,234 GBP
$2,975 USD
View
Most Expensive
B
MOH London
LG407998499 · Oct 29
£2,709 GBP
View
10 more retailers have this diamond
Prices start from £526 GBPSave up to £2,184 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
£526 GBP