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Oval|Lab Grown|IGI

2.55ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG843606127

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843606127

Diamond specifications and retailer prices

From $719 CAD
$515 USD
As of October 29, 2026
Save $3,709 CAD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,029 CAD at Brilliant Earth · As of October 20, 2026
View at Brilliant Earth

About this 2.55ct lab-grown oval diamond

This 2.55ct 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 LG843606127 or 843606127. Listed at 14 retailers as of October 29, 2026, with a 516% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.55
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843606127
Dimensions11.28 × 7.67 × 4.78 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm7.67 mm2.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843606127
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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: $837 CAD|Low: $566 CAD|High: $4,428 CAD|Avg: $1,456 CAD|+13.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 4$566 CAD
Retailer 7$719 CAD
Retailer 10$821 CAD
Retailer 1$837 CAD
Retailer 3$952 CAD
Retailer 2$1,063 CAD
Retailer 12$1,085 CAD
Retailer 9$1,812 CAD
Retailer 8$1,875 CAD
Retailer 13$2,026 CAD
Retailer 5$2,368 CAD
Retailer 6$3,080 CAD
Retailer 11$4,428 CAD

23 data points across 13 retailers

14 retailers$719 CAD to $4,428 CAD

A
Cheapest Retailer
-
$719 CAD
$515 USD
B+
Retailer 2
-
$821 CAD
$588 USD
View
A
Retailer 3
-
$837 CAD
£472 GBP
View
Retailer 4
-
$1,063 CAD
£599 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,085 CAD
$777 USD
View
B
Retailer 6
-
$1,812 CAD
$1,297 USD
View
B
Retailer 7
-
$1,875 CAD
$1,342 USD
View
B
Retailer 8
-
$2,026 CAD
$1,450 USD
View
Retailer 9
-
$2,368 CAD
£1,335 GBP
View
Price last confirmed 19 days ago
B
Retailer 10
-
$3,080 CAD
$2,205 USD
View
Retailer 11
-
$3,520 CAD
$2,520 USD
View
Price last confirmed 13 days ago
B
Retailer 12
-
$3,814 CAD
$2,730 USD
View
B
Retailer 13
-
$4,428 CAD
$3,170 USD
View
Most Expensive
Brilliant Earth
21795752A · Oct 20
$5,029 CAD
$3,600 USD
View
Price last confirmed 10 days ago
13 more retailers have this diamond
Prices start from $719 CADSave up to $3,709 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
2.55ct Oval
$719 CAD