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Oval|Lab Grown|IGI

0.51ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG407936479

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407936479

Diamond specifications and retailer prices

From $405 CAD
$290 USD
As of October 31, 2026
Save $1,940 CAD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,345 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407936479 or 407936479. Listed at 12 retailers as of October 29, 2026, with prices from $405 to $2,345, a $1,940 spread on the same certified stone. MOH London lists it at $2,345. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.2°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407936479
Dimensions6.09 × 4.53 × 2.84 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
6.09 mm4.53 mm0.51 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407936479
Side View
Table 61.5%Crown 36.2°Girdle: MED-STKPavilion 41.8°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 31
Current: $2,345 CAD|Low: $373 CAD|High: $2,361 CAD|Avg: $1,062 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 30, 2026
Retailer 2$405 CAD
Retailer 7$469 CAD
Retailer 10$524 CAD
Retailer 8$583 CAD
Retailer 11$583 CAD
Retailer 9$940 CAD
Retailer 4$1,043 CAD
Retailer 5$1,049 CAD
Retailer 6$1,707 CAD
Retailer 3$2,127 CAD
MOH London$2,345 CAD

41 data points across 11 retailers

12 retailers$405 CAD to $2,345 CAD

A
Cheapest Retailer
-
$405 CAD
$290 USD
B+
Retailer 2
-
$469 CAD
$336 USD
View
B+
Retailer 3
-
$524 CAD
$375 USD
View
Final sale: no returns
B+
Retailer 4
-
$545 CAD
$390 USD
View
B+
Retailer 5
-
$583 CAD
$417 USD
View
B+
Retailer 6
-
$583 CAD
$417 USD
View
B
Retailer 7
-
$940 CAD
$673 USD
View
B
Retailer 8
-
$1,043 CAD
£588 GBP
View
B
Retailer 9
-
$1,707 CAD
$1,222 USD
View
B
Retailer 10
-
$1,872 CAD
$1,340 USD
View
B
Retailer 11
-
$2,127 CAD
$1,523 USD
View
Most Expensive
B
MOH London
LG407936479 · Oct 29
$2,345 CAD
£1,322 GBP
View
11 more retailers have this diamond
Prices start from $405 CADSave up to $1,940 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
$405 CAD