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Oval|Lab Grown|IGI

1.51ct F SI1 Oval Lab Grown Diamond

VG • F/SI1 • IGI LG825655667

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825655667

Diamond specifications and retailer prices

From $366 CAD
As of November 6, 2026
Save $1,015 CAD (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,381 CAD at Taylor and Hart · As of November 6, 2026
View at Taylor and Hart

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 F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG825655667 or 825655667. Listed at 11 retailers as of November 6, 2026, with prices from $366 to $1,381, a $1,015 spread on the same certified stone. Taylor and Hart lists it at $1,381. 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

1.51
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825655667
Dimensions9.05 × 6.41 × 4.01 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.05 mm6.41 mm1.51 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825655667
Side View
Table 62.0%Crown 34.6°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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: Nov 6
Current: $518 CAD|Low: $366 CAD|High: $1,381 CAD|Avg: $776 CAD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
November 6, 2026
Retailer 8$366 CAD
Retailer 6$407 CAD
Retailer 1$518 CAD
Retailer 3$549 CAD
Retailer 7$668 CAD
Retailer 2$757 CAD
Retailer 5$1,312 CAD
Retailer 4$1,317 CAD
Taylor and Hart$1,381 CAD

16 data points across 9 retailers

11 retailers$366 CAD to $1,381 CAD

A
Cheapest Retailer
-
$366 CAD
Final sale: no returns
A
Retailer 2
-
$380 CAD
View
Retailer 3
-
$407 CAD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$518 CAD
View
B+
Retailer 5
-
$549 CAD
View
A
Retailer 6
-
$668 CAD
View
B+
Retailer 7
-
$757 CAD
View
B
Retailer 8
-
$1,182 CAD
View
B
Retailer 9
-
$1,312 CAD
View
B
Retailer 10
-
$1,317 CAD
View
Most Expensive
B
Taylor and Hart
3ACSFXT · Nov 6
$1,381 CAD
$982 USD
View
10 more retailers have this diamond
Prices start from $366 CADSave up to $1,015 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
$366 CAD