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Round|Lab Grown|IGI

1.18ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG371992809

Shape and cutting style on the report: Round brilliant

Certificate IGI LG371992809

Diamond specifications and retailer prices

From €192 EUR
$214 USD
As of October 29, 2026
Save €866 EUR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,057 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.18ct lab-grown round diamond

This 1.18ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG371992809 or 371992809. Listed at 15 retailers as of October 29, 2026, with prices from €192 to €1,057, a €866 spread on the same certified stone. MOH London lists it at €1,057. 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

1.18
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG371992809
Dimensions6.76 × 6.81 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
6.76 mm6.81 mm1.18 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG371992809
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: €1,057 EUR|Low: €192 EUR|High: €1,057 EUR|Avg: €512 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 12€192 EUR
Retailer 10€222 EUR
Retailer 9€238 EUR
Retailer 13€238 EUR
Retailer 7€279 EUR
Retailer 8€396 EUR
Retailer 5€469 EUR
Retailer 2€495 EUR
Retailer 11€521 EUR
Retailer 6€611 EUR
Retailer 3€767 EUR
Retailer 4€820 EUR
Retailer 14€843 EUR
MOH London€1,057 EUR

16 data points across 14 retailers

15 retailers€192 EUR to €1,057 EUR

A
Cheapest Retailer
-
€192 EUR
$214 USD
A
Retailer 2
-
€222 EUR
$248 USD
View
A
Retailer 3
-
€238 EUR
$266 USD
View
A
Retailer 4
-
€238 EUR
$266 USD
View
B+
Retailer 5
-
€279 EUR
$312 USD
View
B+
Retailer 6
-
€396 EUR
£348 GBP
View
B
Retailer 7
-
€469 EUR
$524 USD
View
B
Retailer 8
-
€495 EUR
£435 GBP
View
B+
Retailer 9
-
€521 EUR
$582 USD
View
B
Retailer 10
-
€611 EUR
$683 USD
View
B
Retailer 11
-
€743 EUR
$830 USD
View
B
Retailer 12
-
€767 EUR
$857 USD
View
B
Retailer 13
-
€820 EUR
$916 USD
View
B
Retailer 14
-
€843 EUR
$942 USD
View
Most Expensive
B
MOH London
LG371992809 · Oct 29
€1,057 EUR
£930 GBP
View
14 more retailers have this diamond
Prices start from €192 EURSave up to €866 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
1.18ct Round
€192 EUR