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Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG407936480

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407936480

Diamond specifications and retailer prices

From $513 CAD
$367 USD
As of October 29, 2026
Save $634 CAD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,496 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG407936480 or 407936480. Listed at 13 retailers as of October 29, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407936480
Dimensions6.01 × 4.47 × 2.82 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
6.01 mm4.47 mm0.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407936480
Side View
Table 61.0%Crown 35.7°Girdle: THK-VTKPavilion 41.2°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,496 CAD|Low: $408 CAD|High: $2,512 CAD|Avg: $1,010 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 5$513 CAD
Retailer 6$545 CAD
Retailer 9$573 CAD
Retailer 7$636 CAD
Retailer 10$636 CAD
Retailer 8$1,014 CAD
Retailer 3$1,141 CAD
Retailer 2$1,146 CAD
Retailer 4$1,863 CAD
MOH London$2,496 CAD

43 data points across 10 retailers

13 retailers$513 CAD to $1,146 CAD

B+
Cheapest Retailer
-
$513 CAD
$367 USD
B
Retailer 2
-
$545 CAD
$390 USD
View
B
Retailer 3
-
$573 CAD
$410 USD
View
Final sale: no returns
B
Retailer 4
-
$594 CAD
$425 USD
View
B
Retailer 5
-
$636 CAD
$455 USD
View
B
Retailer 6
-
$636 CAD
$455 USD
View
B
Retailer 7
-
$1,014 CAD
$726 USD
View
B
Retailer 8
-
$1,141 CAD
€778 EUR
View
B
Retailer 9
-
$1,146 CAD
£646 GBP
View
Retailer 10
-
$1,863 CAD
$1,334 USD
View
Price under review
Retailer 11
-
$2,042 CAD
$1,462 USD
View
Price under review
Retailer 12
-
$2,249 CAD
$1,610 USD
View
Price under review
Most Expensive
MOH London
LG407936480 · Oct 29
$2,496 CAD
£1,407 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $513 CADSave up to $634 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.

B+
0.51ct Oval
$513 CAD