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Emerald|Lab Grown|IGI

1.21ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG500144859

Shape and cutting style on the report: Emerald cut

Certificate IGI LG500144859

Diamond specifications and retailer prices

From €679 EUR
$759 USD
As of November 1, 2026
Save €1,194 EUR (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,952 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.21ct lab-grown emerald diamond

This 1.21ct lab-grown emerald sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500144859 or 500144859. Listed at 12 retailers as of October 31, 2026, with a 176% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.21
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500144859
Dimensions7.60 × 5.02 × 3.12 mm
L/W Ratio1.51
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
7.60 mm5.02 mm1.21 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500144859
Side View
Table 68.5%Crown 25.5°Girdle: MediumPavilion 37.6°Culet: LNGDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,952 EUR|Low: €652 EUR|High: €2,992 EUR|Avg: €1,212 EUR
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 1, 2026
Retailer 7€679 EUR
Retailer 12€738 EUR
Retailer 3€759 EUR
Retailer 8€788 EUR
Retailer 11€788 EUR
Retailer 5€797 EUR
Retailer 4€944 EUR
Retailer 2€1,207 EUR
Retailer 9€1,275 EUR
Retailer 6€1,873 EUR
Retailer 10€2,214 EUR
MOH London€2,952 EUR

42 data points across 12 retailers

12 retailers€679 EUR to €1,873 EUR

B+
Cheapest Retailer
-
€679 EUR
$759 USD
B
Retailer 2
-
€738 EUR
$825 USD
View
B
Retailer 3
-
€759 EUR
$848 USD
View
Final sale: no returns
B
Retailer 4
-
€788 EUR
$880 USD
View
Retailer 5
-
€788 EUR
$880 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
€797 EUR
$890 USD
View
B
Retailer 7
-
€944 EUR
$1,055 USD
View
B
Retailer 8
-
€1,207 EUR
£1,061 GBP
View
B
Retailer 9
-
€1,275 EUR
$1,424 USD
View
B
Retailer 10
-
€1,873 EUR
$2,093 USD
View
Retailer 11
-
€2,214 EUR
$2,474 USD
View
Price under review
Most Expensive
MOH London
LG500144859 · Nov 1
€2,952 EUR
£2,597 GBP
View
Price under review
11 more retailers have this diamond
Prices start from €679 EURSave up to €1,194 EUR

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.

B+
1.21ct Emerald
€679 EUR