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Emerald|Lab Grown|IGI

1.23ct H VS2 Emerald Lab Grown Diamond

ID • H/VS2 • IGI LG550238084

Shape and cutting style on the report: Emerald cut

Certificate IGI LG550238084

Diamond specifications and retailer prices

From £251 GBP
€320 EUR
As of October 29, 2026
Save £589 GBP (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £840 GBP at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 1.23ct lab-grown emerald diamond

This 1.23ct lab-grown emerald sits in the classic one-carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG550238084 or 550238084. Listed at 6 retailers as of October 29, 2026, with prices from £251 to £840, a £589 spread on the same certified stone. Taylor and Hart lists it at £840. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550238084
Dimensions7.38 × 5.06 × 3.30 mm
L/W Ratio1.46
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
7.38 mm5.06 mm1.23 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550238084
Side View
Table 63.0%Crown 34.9°Girdle: Slightly ThickPavilion 35.9°Culet: LNGDepth 65.2%

Caratlytics Score

How it works →
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: Oct 29
Current: £251 GBP|Low: £125 GBP|High: £933 GBP|Avg: £441 GBP|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 29, 2026
Retailer 6£125 GBP
Retailer 8£244 GBP
Retailer 1£251 GBP
Retailer 5£253 GBP
Retailer 7£281 GBP
Retailer 9£366 GBP
Retailer 10£438 GBP
Retailer 4£485 GBP
Retailer 3£647 GBP
Taylor and Hart£840 GBP
Retailer 2£933 GBP

18 data points across 11 retailers

6 retailers£251 GBP to £840 GBP

A
Cheapest Retailer
-
£251 GBP
€320 EUR
B+
Retailer 2
-
£253 GBP
$339 USD
View
A
Retailer 3
-
£281 GBP
$377 USD
View
B+
Retailer 4
-
£485 GBP
$650 USD
View
Retailer 5
-
£647 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Taylor and Hart
JK05O25 · Oct 29
£840 GBP
$1,125 USD
View
5 more retailers have this diamond
Prices start from £251 GBPSave up to £589 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
1.23ct Emerald
£251 GBP