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Round|Lab Grown|IGI

1.05ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG818687062

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818687062

Diamond specifications and retailer prices

From $195 CAD
$139 USD
As of October 29, 2026
Save $939 CAD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,134 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct 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 LG818687062 or 818687062. Listed at 11 retailers as of October 29, 2026, with prices from $195 to $1,134, a $939 spread on the same certified stone. MOH London lists it at $1,134. 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

1.05
Carat
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818687062
Dimensions6.49 × 6.53 × 4.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.49 mm6.53 mm1.05 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818687062
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

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: $1,134 CAD|Low: $195 CAD|High: $1,168 CAD|Avg: $616 CAD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$195 CAD
Retailer 10$241 CAD
Retailer 2$364 CAD
Retailer 3$410 CAD
Retailer 5$431 CAD
Retailer 7$451 CAD
Retailer 8$605 CAD
Retailer 9$775 CAD
Retailer 6$1,050 CAD
MOH London$1,134 CAD

27 data points across 10 retailers

11 retailers$195 CAD to $1,134 CAD

A
Cheapest Retailer
-
$195 CAD
$139 USD
A
Retailer 2
-
$241 CAD
$172 USD
View
A
Retailer 3
-
$246 CAD
$176 USD
View
A
Retailer 4
-
$364 CAD
£205 GBP
View
A
Retailer 5
-
$410 CAD
£231 GBP
View
A
Retailer 6
-
$431 CAD
€293 EUR
View
A
Retailer 7
-
$451 CAD
$322 USD
View
B+
Retailer 8
-
$605 CAD
$432 USD
View
B
Retailer 9
-
$775 CAD
$554 USD
View
B
Retailer 10
-
$1,050 CAD
$750 USD
View
Most Expensive
B
MOH London
LG818687062 · Oct 29
$1,134 CAD
£638 GBP
View
10 more retailers have this diamond
Prices start from $195 CADSave up to $939 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
1.05ct Round
$195 CAD