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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG845615106

Shape and cutting style on the report: Oval modified brilliant

Certificate IGI LG845615106

Diamond specifications and retailer prices

From $400 CAD
$286 USD
As of October 29, 2026
Save $1,433 CAD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,833 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG845615106 or 845615106. Listed at 9 retailers as of October 29, 2026, with prices from $400 to $1,833, a $1,433 spread on the same certified stone. Brilliant Earth lists it at $1,833. 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
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845615106
Dimensions8.74 × 5.92 × 3.75 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm5.92 mm1.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845615106
Side View
Table 65.0%Crown 36.1°Girdle: MED-THKPavilion 30.9°Culet: NoneDepth 63.3%

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 29
Current: $1,833 CAD|Low: $393 CAD|High: $1,833 CAD|Avg: $921 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$400 CAD
Retailer 3$435 CAD
Retailer 9$649 CAD
Retailer 8$697 CAD
Retailer 4$727 CAD
Retailer 7$1,222 CAD
Retailer 6$1,523 CAD
Retailer 2$1,781 CAD
Brilliant Earth$1,833 CAD

13 data points across 9 retailers

9 retailers$400 CAD to $1,833 CAD

A
Cheapest Retailer
-
$400 CAD
$286 USD
Final sale: no returns
A
Retailer 2
-
$435 CAD
£245 GBP
View
B+
Retailer 3
-
$649 CAD
$464 USD
View
B+
Retailer 4
-
$697 CAD
$498 USD
View
B+
Retailer 5
-
$727 CAD
£409 GBP
View
B
Retailer 6
-
$1,222 CAD
$873 USD
View
B
Retailer 7
-
$1,523 CAD
£857 GBP
View
B
Retailer 8
-
$1,781 CAD
$1,272 USD
View
Most Expensive
B
Brilliant Earth
22346932A · Oct 29
$1,833 CAD
$1,310 USD
View
8 more retailers have this diamond
Prices start from $400 CADSave up to $1,433 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
$400 CAD