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Round|Lab Grown|IGI

1.12ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG487173757

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487173757

Diamond specifications and retailer prices

From $796 CAD
As of November 5, 2026
Save $1,223 CAD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,515 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.12ct lab-grown round diamond

This 1.12ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487173757 or 487173757. Listed at 12 retailers as of November 4, 2026, with a 154% 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

1.12
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487173757
Dimensions6.67 × 6.63 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.67 mm6.63 mm1.12 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487173757
Side View
Table 55.5%Crown 36.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,890 CAD|Low: $796 CAD|High: $4,750 CAD|Avg: $1,956 CAD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$796 CAD
Retailer 5$1,078 CAD
Retailer 8$1,207 CAD
Retailer 6$1,250 CAD
Retailer 9$1,494 CAD
Retailer 1$1,890 CAD
Retailer 7$2,019 CAD
Retailer 4$2,973 CAD
Retailer 2$4,673 CAD

41 data points across 9 retailers

12 retailers$796 CAD to $2,019 CAD

B+
Cheapest Retailer
-
$796 CAD
B
Retailer 2
-
$1,078 CAD
View
B
Retailer 3
-
$1,173 CAD
View
B
Retailer 4
-
$1,207 CAD
View
Final sale: no returns
Retailer 5
-
$1,250 CAD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$1,250 CAD
View
B
Retailer 7
-
$1,494 CAD
View
B
Retailer 8
-
$1,890 CAD
View
B
Retailer 9
-
$2,019 CAD
View
Retailer 10
-
$2,973 CAD
View
Price under review
Most Expensive
NZ Jewellers
efe87a5a-c940-4b09-8840-23d38f45134d · Nov 5
$3,515 CAD
$2,517 USD
View
Price under review
10 more retailers have this diamond
Prices start from $796 CADSave up to $1,223 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.

B+
1.12ct Round
$796 CAD