Emerald|Lab Grown|IGI

1.20ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG384946599

Shape and cutting style on the report: Emerald cut

Certificate IGI LG384946599

Diamond specifications and retailer prices

From €357 EUR
$399 USD
As of November 1, 2026
Save €323 EUR (48%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,123 EUR at Taylor and Hart · As of October 21, 2026
View at Taylor and Hart

About this 1.2ct lab-grown emerald diamond

This 1.2ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG384946599 or 384946599. Listed at 5 retailers as of October 31, 2026, with a 90% 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

1.20
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG384946599
Dimensions6.96 × 5.16 × 3.53 mm
L/W Ratio1.35
Culet sizeLarge
Cert comments
This laboratory grown diamond is classified as Type II.
Top View
6.96 mm5.16 mm1.20 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG384946599
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: LargeDepth 68.4%

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: Nov 1
Current: €365 EUR|Low: €335 EUR|High: €1,123 EUR|Avg: €642 EUR|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
November 1, 2026
Retailer 4€357 EUR
Retailer 2€359 EUR
Retailer 1€365 EUR
Retailer 6€676 EUR
Retailer 3€680 EUR
Retailer 5€936 EUR
Taylor and Hart€1,123 EUR

35 data points across 7 retailers

5 retailers€357 EUR to €680 EUR

A
Cheapest Retailer
-
€357 EUR
$399 USD
A
Retailer 2
-
€359 EUR
View
A
Retailer 3
-
€365 EUR
£321 GBP
View
B
Retailer 4
-
€680 EUR
$760 USD
View
Most Expensive
Taylor and Hart
I5LCUAP · Oct 21
€1,123 EUR
$1,254 USD
View
Price last confirmed 11 days ago
4 more retailers have this diamond
Prices start from €357 EURSave up to €323 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.

A
1.20ct Emerald
€357 EUR