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Emerald|Lab Grown|IGI

1.80ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG593398497

Shape and cutting style on the report: Emerald cut

Certificate IGI LG593398497

Diamond specifications and retailer prices

From £256 GBP
$340 USD
As of October 27, 2026
Save £1,024 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,280 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.8ct lab-grown emerald diamond

This 1.8ct lab-grown emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG593398497 or 593398497. Listed at 11 retailers as of October 27, 2026, with prices from £256 to £1,280, a £1,024 spread on the same certified stone. MOH London lists it at £1,280. 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

1.80
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593398497
Dimensions8.07 × 5.71 × 3.80 mm
L/W Ratio1.41
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
8.07 mm5.71 mm1.80 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593398497
Side View
Table 59.0%Crown 31.9°Girdle: Slightly ThickPavilion 39.9°Culet: LNGDepth 66.5%

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 27
Current: £1,280 GBP|Low: £205 GBP|High: £1,288 GBP|Avg: £584 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£256 GBP
Retailer 12£287 GBP
Retailer 11£297 GBP
Retailer 7£318 GBP
Retailer 10£318 GBP
Retailer 2£433 GBP
Retailer 8£511 GBP
Retailer 3£519 GBP
Retailer 4£852 GBP
Retailer 5£932 GBP
Retailer 9£1,021 GBP
MOH London£1,280 GBP

22 data points across 12 retailers

11 retailers£256 GBP to £1,280 GBP

A
Cheapest Retailer
-
£256 GBP
$340 USD
A
Retailer 2
-
£287 GBP
$381 USD
View
Final sale: no returns
A
Retailer 3
-
£297 GBP
$395 USD
View
A
Retailer 4
-
£318 GBP
$422 USD
View
A
Retailer 5
-
£318 GBP
$422 USD
View
A
Retailer 6
-
£433 GBP
$575 USD
View
B+
Retailer 7
-
£511 GBP
$679 USD
View
B+
Retailer 8
-
£519 GBP
$689 USD
View
B+
Retailer 9
-
£932 GBP
$1,238 USD
View
B+
Retailer 10
-
£1,021 GBP
$1,357 USD
View
Most Expensive
B
MOH London
LG593398497 · Oct 29
£1,280 GBP
View
10 more retailers have this diamond
Prices start from £256 GBPSave up to £1,024 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
1.80ct Emerald
£256 GBP