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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 $300 CAD
$214 USD
As of October 29, 2026
Save $1,354 CAD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,653 CAD 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 $300 to $1,653, a $1,354 spread on the same certified stone. MOH London lists it at $1,653. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,653 CAD|Low: $300 CAD|High: $1,653 CAD|Avg: $801 CAD|+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
October 30, 2026
Retailer 12$300 CAD
Retailer 10$347 CAD
Retailer 9$372 CAD
Retailer 13$372 CAD
Retailer 2$437 CAD
Retailer 7$618 CAD
Retailer 5$734 CAD
Retailer 8$774 CAD
Retailer 11$815 CAD
Retailer 6$955 CAD
Retailer 3$1,199 CAD
Retailer 4$1,282 CAD
Retailer 14$1,318 CAD
MOH London$1,653 CAD

14 data points across 14 retailers

15 retailers$300 CAD to $1,653 CAD

A
Cheapest Retailer
-
$300 CAD
$214 USD
A
Retailer 2
-
$347 CAD
$248 USD
View
A
Retailer 3
-
$372 CAD
$266 USD
View
A
Retailer 4
-
$372 CAD
$266 USD
View
B+
Retailer 5
-
$437 CAD
$312 USD
View
B+
Retailer 6
-
$618 CAD
£348 GBP
View
B
Retailer 7
-
$734 CAD
$524 USD
View
B
Retailer 8
-
$774 CAD
£435 GBP
View
B+
Retailer 9
-
$815 CAD
$582 USD
View
B
Retailer 10
-
$955 CAD
$683 USD
View
B
Retailer 11
-
$1,162 CAD
$830 USD
View
B
Retailer 12
-
$1,199 CAD
$857 USD
View
B
Retailer 13
-
$1,282 CAD
$916 USD
View
B
Retailer 14
-
$1,318 CAD
$942 USD
View
Most Expensive
B
MOH London
LG371992809 · Oct 29
$1,653 CAD
£930 GBP
View
14 more retailers have this diamond
Prices start from $300 CADSave up to $1,354 CAD

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
$300 CAD