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Oval|Lab Grown|IGI

0.51ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG447001122

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001122

Diamond specifications and retailer prices

From $383 CAD
$274 USD
As of October 26, 2026
Save $1,534 CAD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,918 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001122 or 447001122. Listed at 11 retailers as of October 26, 2026, with prices from $383 to $1,918, a $1,534 spread on the same certified stone. MOH London lists it at $1,918. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.7°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001122
Dimensions6.23 × 4.66 × 2.86 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.23 mm4.66 mm0.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447001122
Side View
Table 60.5%Crown 31.7°Girdle: STK-THKPavilion 42.1°Culet: NoneDepth 61.4%

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 26
Current: $1,918 CAD|Low: $305 CAD|High: $1,932 CAD|Avg: $919 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
October 29, 2026
Retailer 6$383 CAD
Retailer 10$430 CAD
Retailer 8$476 CAD
Retailer 11$476 CAD
Retailer 7$504 CAD
Retailer 12$700 CAD
Retailer 9$789 CAD
Retailer 2$882 CAD
Retailer 3$970 CAD
Retailer 5$1,463 CAD
Retailer 4$1,914 CAD
MOH London$1,918 CAD

19 data points across 12 retailers

11 retailers$383 CAD to $1,918 CAD

A
Cheapest Retailer
-
$383 CAD
$274 USD
A
Retailer 2
-
$430 CAD
$307 USD
View
Final sale: no returns
A
Retailer 3
-
$445 CAD
$318 USD
View
B+
Retailer 4
-
$476 CAD
$340 USD
View
B+
Retailer 5
-
$476 CAD
$340 USD
View
B+
Retailer 6
-
$504 CAD
$360 USD
View
B
Retailer 7
-
$789 CAD
$564 USD
View
B
Retailer 8
-
$882 CAD
€600 EUR
View
Price last confirmed 10 days ago
B
Retailer 9
-
$1,463 CAD
$1,045 USD
View
B
Retailer 10
-
$1,531 CAD
$1,094 USD
View
Most Expensive
B
MOH London
LG447001122 · Oct 29
$1,918 CAD
£1,079 GBP
View
10 more retailers have this diamond
Prices start from $383 CADSave up to $1,534 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
$383 CAD