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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG550255096

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG550255096

Diamond specifications and retailer prices

From $326 CAD
$233 USD
As of October 26, 2026
Save $1,304 CAD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,630 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG550255096 or 550255096. Listed at 18 retailers as of October 26, 2026, with prices from $326 to $1,630, a $1,304 spread on the same certified stone. MOH London lists it at $1,630. 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

1.51
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550255096
Dimensions9.48 × 6.50 × 3.94 mm
L/W Ratio1.46
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
9.48 mm6.50 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550255096
Side View
Table 59.0%Crown 34.7°Girdle: MediumPavilion 40.1°Culet: NoneDepth 60.6%

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 26
Current: $1,630 CAD|Low: $259 CAD|High: $1,652 CAD|Avg: $853 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
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 11$326 CAD
Retailer 5$375 CAD
Retailer 9$378 CAD
Retailer 13$404 CAD
Retailer 15$571 CAD
Retailer 8$677 CAD
Retailer 6$757 CAD
Retailer 2$761 CAD
Retailer 10$844 CAD
Retailer 7$883 CAD
Retailer 12$1,300 CAD
Retailer 14$1,304 CAD
Retailer 3$1,309 CAD
Retailer 4$1,610 CAD
MOH London$1,630 CAD

41 data points across 15 retailers

18 retailers$326 CAD to $1,630 CAD

A
Cheapest Retailer
-
$326 CAD
$233 USD
A
Retailer 2
-
$375 CAD
$268 USD
View
Final sale: no returns
A
Retailer 3
-
$378 CAD
$270 USD
View
A
Retailer 4
-
$404 CAD
$289 USD
View
A
Retailer 5
-
$466 CAD
HK$2,600 HKD
View
B+
Retailer 6
-
$571 CAD
$408 USD
View
A
Retailer 7
-
$677 CAD
€461 EUR
View
A
Retailer 8
-
$705 CAD
$504 USD
View
B+
Retailer 9
-
$757 CAD
$541 USD
View
B+
Retailer 10
-
$761 CAD
£428 GBP
View
B+
Retailer 11
-
$844 CAD
A$928 AUD
View
B+
Retailer 12
-
$883 CAD
$631 USD
View
B
Retailer 13
-
$1,300 CAD
$929 USD
View
B
Retailer 14
-
$1,304 CAD
$932 USD
View
B
Retailer 15
-
$1,309 CAD
$935 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$1,367 CAD
SGD 1,320 SGD
View
B
Retailer 17
-
$1,610 CAD
$1,150 USD
View
Most Expensive
B
MOH London
LG550255096 · Oct 29
$1,630 CAD
£917 GBP
View
17 more retailers have this diamond
Prices start from $326 CADSave up to $1,304 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
1.51ct Oval
$326 CAD