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Oval|Lab Grown|IGI

1.56ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG451057940

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451057940

Diamond specifications and retailer prices

From $1,331 CAD
As of November 5, 2026
Save $3,891 CAD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,222 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057940 or 451057940. Listed at 9 retailers as of November 5, 2026, with prices from $1,331 to $5,222, a $3,891 spread on the same certified stone. MOH London lists it at $5,222. 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

1.56
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057940
Dimensions9.17 × 6.63 × 4.10 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.17 mm6.63 mm1.56 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057940
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.8%

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: Nov 5
Current: $5,222 CAD|Low: $1,277 CAD|High: $5,300 CAD|Avg: $2,826 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$1,331 CAD
Retailer 8$1,449 CAD
Retailer 5$1,544 CAD
Retailer 2$1,793 CAD
Retailer 9$2,273 CAD
Retailer 6$2,471 CAD
Retailer 3$3,328 CAD
Retailer 7$4,341 CAD
Retailer 10$4,421 CAD
MOH London$5,222 CAD

16 data points across 10 retailers

9 retailers$1,331 CAD to $5,222 CAD

A
Cheapest Retailer
-
$1,331 CAD
A
Retailer 2
-
$1,449 CAD
View
Retailer 3
-
$1,544 CAD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,544 CAD
View
A
Retailer 5
-
$1,793 CAD
View
B+
Retailer 6
-
$2,471 CAD
View
B
Retailer 7
-
$3,328 CAD
View
B
Retailer 8
-
$4,341 CAD
View
Most Expensive
B
MOH London
LG451057940 · Nov 5
$5,222 CAD
£2,923 GBP
View
8 more retailers have this diamond
Prices start from $1,331 CADSave up to $3,891 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
1.56ct Oval
$1,331 CAD