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Radiant|Lab Grown|IGI

2.50ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG517202271

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG517202271

Diamond specifications and retailer prices

From $3,052 CAD
As of November 6, 2026
Save $10,903 CAD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,087 CAD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 2.5ct lab-grown radiant diamond

This 2.5ct lab-grown radiant sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG517202271 or 517202271. Listed at 14 retailers as of November 5, 2026, with a 357% 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

2.50
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.7°
Pavilion angle31°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517202271
Dimensions8.56 × 6.69 × 4.67 mm
L/W Ratio1.28
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.56 mm6.69 mm2.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517202271
Side View
Table 68.0%Crown 48.7°Girdle: MED-STKPavilion 31°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,493 CAD|Low: $3,052 CAD|High: $17,087 CAD|Avg: $9,056 CAD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Reve Diamonds
November 7, 2026
Retailer 5$3,052 CAD
Retailer 4$5,632 CAD
Retailer 8$6,306 CAD
Retailer 6$6,532 CAD
Retailer 1$8,493 CAD
Retailer 3$8,663 CAD
Retailer 7$10,118 CAD
Retailer 2$13,955 CAD
Reve Diamonds$17,087 CAD

45 data points across 9 retailers

14 retailers$3,052 CAD to $13,955 CAD

B+
Cheapest Retailer
-
$3,052 CAD
B
Retailer 2
-
$5,632 CAD
View
B
Retailer 3
-
$5,902 CAD
View
B
Retailer 4
-
$5,939 CAD
View
B
Retailer 5
-
$6,306 CAD
View
Final sale: no returns
B
Retailer 6
-
$6,532 CAD
View
Retailer 7
-
$6,532 CAD
View
Price last confirmed 26 days ago
B
Retailer 8
-
$6,611 CAD
View
B
Retailer 9
-
$8,162 CAD
View
B
Retailer 10
-
$8,493 CAD
View
B
Retailer 11
-
$8,663 CAD
View
B
Retailer 12
-
$10,118 CAD
View
B
Retailer 13
-
$13,955 CAD
View
Most Expensive
Reve Diamonds
3AD94A70C · Nov 6
$17,087 CAD
$12,148 USD
View
Price under review
13 more retailers have this diamond
Prices start from $3,052 CADSave up to $10,903 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.

B+
2.50ct Radiant
$3,052 CAD