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Oval|Lab Grown|IGI

0.51ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG436046400

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436046400

Diamond specifications and retailer prices

From $420 CAD
$300 USD
As of October 30, 2026
Save $1,822 CAD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,241 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046400 or 436046400. Listed at 12 retailers as of October 29, 2026, with prices from $420 to $2,241, a $1,822 spread on the same certified stone. MOH London lists it at $2,241. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046400
Dimensions6.37 × 4.51 × 2.83 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.37 mm4.51 mm0.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046400
Side View
Table 57.5%Crown 33.7°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.7%

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 30
Current: $2,241 CAD|Low: $357 CAD|High: $2,257 CAD|Avg: $877 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$420 CAD
Retailer 6$449 CAD
Retailer 9$501 CAD
Retailer 7$557 CAD
Retailer 10$557 CAD
Retailer 8$904 CAD
Retailer 3$993 CAD
Retailer 4$1,011 CAD
Retailer 5$1,632 CAD
MOH London$2,241 CAD

43 data points across 10 retailers

12 retailers$420 CAD to $2,241 CAD

A
Cheapest Retailer
-
$420 CAD
$300 USD
A
Retailer 2
-
$449 CAD
$321 USD
View
B+
Retailer 3
-
$501 CAD
$358 USD
View
Final sale: no returns
B+
Retailer 4
-
$521 CAD
$372 USD
View
B+
Retailer 5
-
$557 CAD
$398 USD
View
B+
Retailer 6
-
$557 CAD
$398 USD
View
B
Retailer 7
-
$904 CAD
$646 USD
View
B
Retailer 8
-
$993 CAD
£559 GBP
View
B
Retailer 9
-
$1,011 CAD
€688 EUR
View
B
Retailer 10
-
$1,632 CAD
$1,166 USD
View
B
Retailer 11
-
$1,789 CAD
$1,278 USD
View
Most Expensive
B
MOH London
LG436046400 · Oct 29
$2,241 CAD
£1,261 GBP
View
11 more retailers have this diamond
Prices start from $420 CADSave up to $1,822 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
$420 CAD