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Emerald|Lab Grown|IGI

10.18ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG581344766

Shape and cutting style on the report: Emerald cut

Certificate IGI LG581344766

Diamond specifications and retailer prices

From €3,136 EUR
$3,504 USD
As of November 1, 2026
Save €153 EUR (5%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €3,289 EUR at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 10.18ct lab-grown emerald diamond

This 10.18ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG581344766 or 581344766. Listed at 3 retailers as of October 31, 2026, with a relatively tight 5% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

10.18
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581344766
Dimensions14.98 × 10.10 × 6.78 mm
L/W Ratio1.48
Culet sizeLarge
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
14.98 mm10.10 mm10.18 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581344766
Side View
Table 67.0%Crown 34.3°Girdle: MED-STKPavilion 39.2°Culet: LargeDepth 67.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: €3,289 EUR|Low: €2,153 EUR|High: €3,370 EUR|Avg: €3,085 EUR|-2.4%
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4€2,936 EUR
Retailer 3€3,136 EUR
Retailer 2€3,137 EUR
Friendly Diamonds€3,289 EUR

9 data points across 4 retailers

3 retailers€3,136 EUR to €3,289 EUR

B+
Cheapest Retailer
-
€3,136 EUR
$3,504 USD
B+
Retailer 2
-
€3,137 EUR
$3,505 USD
View
Most Expensive
B
Friendly Diamonds
5368633 · Oct 31
€3,289 EUR
$3,675 USD
View
2 more retailers have this diamond
Prices start from €3,136 EURSave up to €153 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+
10.18ct Emerald
€3,136 EUR