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Oval|Lab Grown|IGI

2.57ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG754533605

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754533605

Diamond specifications and retailer prices

From $654 CAD
$468 USD
As of October 25, 2026
Save $5,255 CAD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,909 CAD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.57ct lab-grown oval diamond

This 2.57ct lab-grown oval sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754533605 or 754533605. Listed at 19 retailers as of October 25, 2026, with prices from $654 to $5,909, a $5,255 spread on the same certified stone. Brilliant Earth lists it at $5,909. 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

2.57
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754533605
Dimensions11.24 × 7.69 × 4.70 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.24 mm7.69 mm2.57 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG754533605
Side View
Table 58.0%Crown 36.9°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 61.1%

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 25
Current: $5,909 CAD|Low: $439 CAD|High: $6,090 CAD|Avg: $1,748 CAD|-3.0%
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
October 26, 2026
Retailer 4$439 CAD
Retailer 12$597 CAD
Retailer 6$654 CAD
Retailer 9$712 CAD
Retailer 11$780 CAD
Retailer 2$839 CAD
Retailer 3$1,014 CAD
Retailer 8$1,203 CAD
Retailer 13$1,356 CAD
Retailer 14$1,631 CAD
Retailer 7$1,948 CAD
Retailer 5$2,025 CAD
Retailer 10$3,059 CAD
Brilliant Earth$5,909 CAD

35 data points across 14 retailers

19 retailers$654 CAD to $5,909 CAD

Retailer 1
-
$429 CAD
$307 USD
Price last confirmed 37 days ago
Retailer 2
-
$429 CAD
$307 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$532 CAD
$381 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$592 CAD
$424 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$597 CAD
£337 GBP
View
Price last confirmed 13 days ago
Retailer 6
-
$648 CAD
$464 USD
View
Price last confirmed 34 days ago
B+
Retailer 7
-
$654 CAD
$468 USD
View
A
Retailer 8
-
$712 CAD
$510 USD
View
A
Retailer 9
-
$839 CAD
£473 GBP
View
A
Retailer 10
-
$1,014 CAD
$726 USD
View
Retailer 11
-
$1,166 CAD
$835 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$1,203 CAD
$861 USD
View
B+
Retailer 13
-
$1,356 CAD
$971 USD
View
B+
Retailer 14
-
$1,631 CAD
$1,167 USD
View
Retailer 15
-
$1,711 CAD
$1,225 USD
View
Price last confirmed 20 days ago
B
Retailer 16
-
$1,948 CAD
£1,098 GBP
View
B
Retailer 17
-
$2,025 CAD
$1,450 USD
View
Retailer 18
-
$3,059 CAD
$2,190 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
16844908A · Oct 26
$5,909 CAD
$4,230 USD
View
18 more retailers have this diamond
Prices start from $654 CADSave up to $5,255 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
2.57ct Oval
$654 CAD