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Emerald|Lab Grown|IGI

1.00ct I SI2 Emerald Lab Grown Diamond

ID • I/SI2 • IGI LG436045902

Shape and cutting style on the report: Emerald cut

Certificate IGI LG436045902

Diamond specifications and retailer prices

From £518 GBP
$690 USD
As of October 29, 2026
Save £2,349 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,867 GBP at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045902 or 436045902. Listed at 10 retailers as of October 29, 2026, with prices from £518 to £2,867, a £2,349 spread on the same certified stone. MOH London lists it at £2,867. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle22.6°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045902
Dimensions7.28 × 4.66 × 2.92 mm
L/W Ratio1.56
Culet sizeLong
Cert comments
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Top View
7.28 mm4.66 mm1.00 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045902
Side View
Table 69.0%Crown 22.6°Girdle: MED-STKPavilion 37.4°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 29
Current: £2,867 GBP|Low: £518 GBP|High: £2,886 GBP|Avg: £1,202 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
October 29, 2026
Retailer 6£518 GBP
Retailer 5£656 GBP
Retailer 11£713 GBP
Retailer 12£734 GBP
Retailer 7£761 GBP
Retailer 10£761 GBP
Retailer 3£1,153 GBP
Retailer 8£1,223 GBP
Retailer 4£1,703 GBP
Retailer 2£1,749 GBP
Retailer 9£2,139 GBP
MOH London£2,867 GBP

17 data points across 12 retailers

10 retailers£518 GBP to £2,867 GBP

A
Cheapest Retailer
-
£518 GBP
$690 USD
B+
Retailer 2
-
£656 GBP
$873 USD
View
B+
Retailer 3
-
£713 GBP
$950 USD
View
B+
Retailer 4
-
£734 GBP
$977 USD
View
Final sale: no returns
B+
Retailer 5
-
£761 GBP
$1,013 USD
View
Retailer 6
-
£761 GBP
$1,013 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
£1,223 GBP
$1,628 USD
View
B
Retailer 8
-
£1,749 GBP
$2,329 USD
View
B
Retailer 9
-
£2,139 GBP
$2,848 USD
View
Most Expensive
B
MOH London
LG436045902 · Oct 29
£2,867 GBP
View
9 more retailers have this diamond
Prices start from £518 GBPSave up to £2,349 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
£518 GBP