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Oval|Lab Grown|IGI

1.51ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG436073489

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436073489

Diamond specifications and retailer prices

From $1,290 CAD
As of November 5, 2026
Save $3,771 CAD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,061 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct 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 LG436073489 or 436073489. Listed at 9 retailers as of November 5, 2026, with prices from $1,290 to $5,061, a $3,771 spread on the same certified stone. MOH London lists it at $5,061. 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

1.51
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073489
Dimensions9.01 × 6.61 × 4.03 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.01 mm6.61 mm1.51 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073489
Side View
Table 56.5%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

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: Nov 5
Current: $5,061 CAD|Low: $1,238 CAD|High: $5,134 CAD|Avg: $2,750 CAD|-0.2%
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$1,290 CAD
Retailer 8$1,404 CAD
Retailer 5$1,497 CAD
Retailer 2$1,744 CAD
Retailer 9$2,211 CAD
Retailer 6$2,397 CAD
Retailer 3$3,328 CAD
Retailer 7$4,206 CAD
Retailer 10$4,283 CAD
MOH London$5,061 CAD

19 data points across 10 retailers

9 retailers$1,290 CAD to $5,061 CAD

A
Cheapest Retailer
-
$1,290 CAD
A
Retailer 2
-
$1,404 CAD
View
Retailer 3
-
$1,497 CAD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,497 CAD
View
A
Retailer 5
-
$1,744 CAD
View
B+
Retailer 6
-
$2,397 CAD
View
B
Retailer 7
-
$3,328 CAD
View
B
Retailer 8
-
$4,206 CAD
View
Most Expensive
B
MOH London
LG436073489 · Nov 5
$5,061 CAD
£2,833 GBP
View
8 more retailers have this diamond
Prices start from $1,290 CADSave up to $3,771 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
1.51ct Oval
$1,290 CAD