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Radiant|Lab Grown|IGI

2.51ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG741519444

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

Certificate IGI LG741519444

Diamond specifications and retailer prices

From $2,301 CAD
$1,647 USD
As of October 31, 2026
Save $2,739 CAD (54%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,692 CAD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 2.51ct lab-grown radiant diamond

This 2.51ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG741519444 or 741519444. Listed at 5 retailers as of October 30, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.51
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741519444
Dimensions10.35 × 6.47 × 4.32 mm
L/W Ratio1.60
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.35 mm6.47 mm2.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741519444
Side View
Table 63.0%Crown 41°Girdle: Slightly ThickPavilion 38.6°Culet: NoneDepth 66.8%

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 31
Current: $5,692 CAD|Low: $1,591 CAD|High: $10,602 CAD|Avg: $4,369 CAD|-2.1%
Rare Carat
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
October 19, 2026
Retailer 11$1,591 CAD
Retailer 3$1,949 CAD
Retailer 10$2,301 CAD
Retailer 4$2,373 CAD
Retailer 9$2,407 CAD
Retailer 12$2,557 CAD
Retailer 13$3,315 CAD
Retailer 6$3,347 CAD
Retailer 8$4,784 CAD
Retailer 2$5,040 CAD
Retailer 14$5,139 CAD
Retailer 15$5,526 CAD
Rare Carat$5,692 CAD
Retailer 7$8,294 CAD
Retailer 5$10,602 CAD

7 data points across 15 retailers

5 retailers$2,301 CAD to $5,040 CAD

A
Cheapest Retailer
-
$2,301 CAD
$1,647 USD
A
Retailer 2
-
$2,407 CAD
$1,723 USD
View
Retailer 3
-
$4,784 CAD
A$5,269 AUD
View
Price last confirmed 24 days ago
B+
Retailer 4
-
$5,040 CAD
$3,608 USD
View
Most Expensive
Rare Carat
JK-271 · Oct 21
$5,692 CAD
$4,075 USD
View
Price last confirmed 11 days ago
4 more retailers have this diamond
Prices start from $2,301 CADSave up to $2,739 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 Radiant
$2,301 CAD