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Oval|Lab Grown|IGI

0.51ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445037644

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037644

Diamond specifications and retailer prices

From $342 CAD
$244 USD
As of October 29, 2026
Save $1,361 CAD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,703 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037644 or 445037644. Listed at 10 retailers as of October 29, 2026, with prices from $342 to $1,703, a $1,361 spread on the same certified stone. MOH London lists it at $1,703. 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

0.51
Carat
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037644
Dimensions6.45 × 4.45 × 2.75 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.45 mm4.45 mm0.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037644
Side View
Table 56.0%Crown 31.9°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 61.8%

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: Oct 29
Current: $1,703 CAD|Low: $270 CAD|High: $1,715 CAD|Avg: $759 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
October 29, 2026
Retailer 5$342 CAD
Retailer 9$381 CAD
Retailer 7$423 CAD
Retailer 10$423 CAD
Retailer 6$504 CAD
Retailer 8$711 CAD
Retailer 2$799 CAD
Retailer 11$840 CAD
Retailer 3$886 CAD
Retailer 4$1,363 CAD
MOH London$1,703 CAD

18 data points across 11 retailers

10 retailers$342 CAD to $1,703 CAD

A
Cheapest Retailer
-
$342 CAD
$244 USD
A
Retailer 2
-
$381 CAD
$272 USD
View
Final sale: no returns
A
Retailer 3
-
$396 CAD
$283 USD
View
B+
Retailer 4
-
$423 CAD
$302 USD
View
B+
Retailer 5
-
$423 CAD
$302 USD
View
B+
Retailer 6
-
$504 CAD
$360 USD
View
B+
Retailer 7
-
$711 CAD
$508 USD
View
B
Retailer 8
-
$1,359 CAD
$971 USD
View
B
Retailer 9
-
$1,363 CAD
$974 USD
View
Most Expensive
B
MOH London
LG445037644 · Oct 29
$1,703 CAD
£958 GBP
View
9 more retailers have this diamond
Prices start from $342 CADSave up to $1,361 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
0.51ct Oval
$342 CAD