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Oval|Lab Grown|IGI

2.51ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG843607238

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843607238

Diamond specifications and retailer prices

From $426 CAD
$305 USD
As of October 29, 2026
Save $4,086 CAD (91%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,512 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.51ct lab-grown oval diamond

This 2.51ct lab-grown oval sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG843607238 or 843607238. Listed at 18 retailers as of October 29, 2026, with prices from $426 to $4,512, a $4,086 spread on the same certified stone. Brilliant Earth lists it at $4,512. 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

2.51
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843607238
Dimensions11.56 × 7.42 × 4.51 mm
L/W Ratio1.56
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.56 mm7.42 mm2.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843607238
Side View
Table 63.0%Crown 36.8°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.8%

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: Oct 29
Current: $4,512 CAD|Low: $419 CAD|High: $5,783 CAD|Avg: $1,370 CAD|-22.0%
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 16$426 CAD
Retailer 9$478 CAD
Retailer 8$495 CAD
Retailer 3$528 CAD
Retailer 19$528 CAD
Retailer 2$649 CAD
Retailer 18$726 CAD
Retailer 15$747 CAD
Retailer 11$909 CAD
Retailer 12$939 CAD
Retailer 5$946 CAD
Retailer 7$1,313 CAD
Retailer 17$1,623 CAD
Retailer 6$1,699 CAD
Retailer 10$1,764 CAD
Retailer 13$2,129 CAD
Retailer 4$2,136 CAD
Retailer 14$3,073 CAD
Brilliant Earth$4,512 CAD

26 data points across 19 retailers

18 retailers$426 CAD to $4,512 CAD

A
Cheapest Retailer
-
$426 CAD
$305 USD
A
Retailer 2
-
$478 CAD
$342 USD
View
Final sale: no returns
A
Retailer 3
-
$495 CAD
$354 USD
View
A
Retailer 4
-
$528 CAD
$378 USD
View
A
Retailer 5
-
$528 CAD
$378 USD
View
A
Retailer 6
-
$649 CAD
£366 GBP
View
B+
Retailer 7
-
$726 CAD
$520 USD
View
A
Retailer 8
-
$747 CAD
$535 USD
View
A
Retailer 9
-
$939 CAD
£529 GBP
View
A
Retailer 10
-
$946 CAD
$677 USD
View
B+
Retailer 11
-
$1,313 CAD
$940 USD
View
B
Retailer 12
-
$1,623 CAD
$1,162 USD
View
B+
Retailer 13
-
$1,699 CAD
$1,216 USD
View
B+
Retailer 14
-
$1,764 CAD
$1,263 USD
View
B
Retailer 15
-
$2,129 CAD
£1,200 GBP
View
B
Retailer 16
-
$2,136 CAD
$1,529 USD
View
B
Retailer 17
-
$3,073 CAD
$2,200 USD
View
Most Expensive
B
Brilliant Earth
21699557A · Oct 30
$4,512 CAD
$3,230 USD
View
17 more retailers have this diamond
Prices start from $426 CADSave up to $4,086 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
2.51ct Oval
$426 CAD