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Emerald|Lab Grown|IGI

1.00ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG526279568

Shape and cutting style on the report: Emerald cut

Certificate IGI LG526279568

Diamond specifications and retailer prices

From £172 GBP
As of November 6, 2026
Save £682 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £854 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown emerald diamond

This 1ct 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 LG526279568 or 526279568. Listed at 11 retailers as of November 5, 2026, with prices from £172 to £854, a £682 spread on the same certified stone. MOH London lists it at £854. 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

1.00
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526279568
Dimensions7.26 × 4.70 × 2.96 mm
L/W Ratio1.54
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
7.26 mm4.70 mm1.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526279568
Side View
Table 71.5%Crown 31.2°Girdle: STK-THKPavilion 36°Culet: LNGDepth 63.0%

Caratlytics Score

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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: Nov 6
Current: £854 GBP|Low: £166 GBP|High: £866 GBP|Avg: £419 GBP|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 5£172 GBP
Retailer 11£200 GBP
Retailer 7£213 GBP
Retailer 10£213 GBP
Retailer 4£361 GBP
Retailer 8£361 GBP
Retailer 6£379 GBP
Retailer 12£386 GBP
Retailer 3£557 GBP
Retailer 9£687 GBP
Retailer 2£689 GBP
MOH London£854 GBP

18 data points across 12 retailers

11 retailers£172 GBP to £854 GBP

A
Cheapest Retailer
-
£172 GBP
A
Retailer 2
-
£200 GBP
View
Retailer 3
-
£213 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£213 GBP
View
A
Retailer 5
-
£361 GBP
View
A
Retailer 6
-
£361 GBP
View
A
Retailer 7
-
£379 GBP
View
A
Retailer 8
-
£386 GBP
View
B+
Retailer 9
-
£687 GBP
View
B+
Retailer 10
-
£689 GBP
View
Most Expensive
B+
MOH London
LG526279568 · Nov 5
£854 GBP
View
10 more retailers have this diamond
Prices start from £172 GBPSave up to £682 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
1.00ct Emerald
£172 GBP