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Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG735508929

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG735508929

Diamond specifications and retailer prices

From $116 CAD
$83 USD
As of October 29, 2026
Save $943 CAD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,059 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 top-tier cut grade and certified by IGI LG735508929 or 735508929. Listed at 14 retailers as of October 29, 2026, with prices from $116 to $1,059, a $943 spread on the same certified stone. MOH London lists it at $1,059. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735508929
Dimensions6.50 × 4.42 × 2.79 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.50 mm4.42 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG735508929
Side View
Table 59.0%Crown 31.3°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,059 CAD|Low: $95 CAD|High: $1,111 CAD|Avg: $319 CAD|-4.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 10$116 CAD
Retailer 2$129 CAD
Retailer 3$134 CAD
Retailer 11$153 CAD
Retailer 6$157 CAD
Retailer 13$238 CAD
Retailer 8$256 CAD
Retailer 4$288 CAD
Retailer 15$311 CAD
Retailer 5$321 CAD
Retailer 9$346 CAD
Retailer 7$392 CAD
Retailer 14$460 CAD
Retailer 12$470 CAD
MOH London$1,059 CAD

37 data points across 15 retailers

14 retailers$116 CAD to $1,059 CAD

A
Cheapest Retailer
-
$116 CAD
$83 USD
A
Retailer 2
-
$129 CAD
$92 USD
View
Final sale: no returns
A
Retailer 3
-
$134 CAD
$96 USD
View
A
Retailer 4
-
$153 CAD
$109 USD
View
A
Retailer 5
-
$157 CAD
$112 USD
View
A
Retailer 6
-
$238 CAD
$170 USD
View
A
Retailer 7
-
$256 CAD
£144 GBP
View
A
Retailer 8
-
$311 CAD
$222 USD
View
B+
Retailer 9
-
$321 CAD
$229 USD
View
A
Retailer 10
-
$346 CAD
£195 GBP
View
B+
Retailer 11
-
$392 CAD
$280 USD
View
B+
Retailer 12
-
$460 CAD
$329 USD
View
B+
Retailer 13
-
$470 CAD
$336 USD
View
Most Expensive
B
MOH London
LG735508929 · Oct 29
$1,059 CAD
£596 GBP
View
13 more retailers have this diamond
Prices start from $116 CADSave up to $943 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
$116 CAD