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Emerald|Lab Grown|IGI

1.01ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG508138569

Shape and cutting style on the report: Emerald cut

Certificate IGI LG508138569

Diamond specifications and retailer prices

From £431 GBP
$577 USD
As of October 30, 2026
Save £1,899 GBP (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,330 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508138569 or 508138569. Listed at 12 retailers as of October 29, 2026, with prices from £431 to £2,330, a £1,899 spread on the same certified stone. MOH London lists it at £2,330. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.2°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508138569
Dimensions6.71 × 4.85 × 3.04 mm
L/W Ratio1.38
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.71 mm4.85 mm1.01 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508138569
Side View
Table 66.5%Crown 25.2°Girdle: MediumPavilion 35.1°Culet: LNGDepth 62.7%

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: £2,330 GBP|Low: £413 GBP|High: £2,346 GBP|Avg: £913 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
Retailer 14
Retailer 15
October 29, 2026
Retailer 8£431 GBP
Retailer 9£455 GBP
Retailer 4£463 GBP
Retailer 15£481 GBP
Retailer 14£482 GBP
Retailer 10£534 GBP
Retailer 13£534 GBP
Retailer 3£631 GBP
Retailer 11£820 GBP
Retailer 6£848 GBP
Retailer 2£1,325 GBP
Retailer 12£1,404 GBP
Retailer 7£1,430 GBP
Retailer 5£1,648 GBP
MOH London£2,330 GBP

19 data points across 15 retailers

12 retailers£431 GBP to £2,330 GBP

A
Cheapest Retailer
-
£431 GBP
$577 USD
A
Retailer 2
-
£455 GBP
$610 USD
View
A
Retailer 3
-
£481 GBP
$645 USD
View
Final sale: no returns
A
Retailer 4
-
£482 GBP
$646 USD
View
A
Retailer 5
-
£534 GBP
$715 USD
View
Retailer 6
-
£534 GBP
$715 USD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
£631 GBP
$845 USD
View
B+
Retailer 8
-
£820 GBP
$1,099 USD
View
B
Retailer 9
-
£1,325 GBP
$1,775 USD
View
B
Retailer 10
-
£1,404 GBP
$1,881 USD
View
B
Retailer 11
-
£1,648 GBP
$2,208 USD
View
Most Expensive
B
MOH London
LG508138569 · Oct 29
£2,330 GBP
View
11 more retailers have this diamond
Prices start from £431 GBPSave up to £1,899 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
£431 GBP