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Oval|Lab Grown|IGI

1.51ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445038609

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038609

Diamond specifications and retailer prices

From $1,153 CAD
As of November 6, 2026
Save $2,836 CAD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,874 CAD at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038609 or 445038609. Listed at 12 retailers as of November 5, 2026, with a 246% 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

1.51
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038609
Dimensions8.93 × 6.46 × 4.08 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.93 mm6.46 mm1.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445038609
Side View
Table 60.5%Crown 36.7°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 63.2%

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: Nov 6
Current: $6,874 CAD|Low: $1,153 CAD|High: $6,920 CAD|Avg: $3,138 CAD|+0.5%
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
November 6, 2026
Retailer 8$1,153 CAD
Retailer 7$1,834 CAD
Retailer 12$1,996 CAD
Retailer 13$2,054 CAD
Retailer 9$2,128 CAD
Retailer 14$2,128 CAD
Retailer 3$2,370 CAD
Retailer 5$2,931 CAD
Retailer 2$3,021 CAD
Retailer 10$3,366 CAD
Retailer 4$3,967 CAD
Retailer 11$3,989 CAD
Retailer 6$6,092 CAD
MOH London$6,874 CAD

41 data points across 14 retailers

12 retailers$1,153 CAD to $3,989 CAD

A
Cheapest Retailer
-
$1,153 CAD
B+
Retailer 2
-
$1,834 CAD
View
B+
Retailer 3
-
$1,996 CAD
View
B+
Retailer 4
-
$2,054 CAD
View
Final sale: no returns
Retailer 5
-
$2,128 CAD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,128 CAD
View
B+
Retailer 7
-
$2,370 CAD
View
B
Retailer 8
-
$3,021 CAD
View
B
Retailer 9
-
$3,366 CAD
View
B
Retailer 10
-
$3,967 CAD
View
B
Retailer 11
-
$3,989 CAD
View
Most Expensive
MOH London
LG445038609 · Oct 29
$6,874 CAD
£3,848 GBP
View
Price last confirmed 8 days ago
11 more retailers have this diamond
Prices start from $1,153 CADSave up to $2,836 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
$1,153 CAD