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Radiant|Lab Grown|IGI

1.50ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG512225938

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

Certificate IGI LG512225938

Diamond specifications and retailer prices

From $2,293 CAD
As of November 6, 2026
Save $1,958 CAD (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,071 CAD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512225938 or 512225938. Listed at 13 retailers as of November 6, 2026, with a 85% 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

1.50
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512225938
Dimensions7.52 × 5.83 × 3.95 mm
L/W Ratio1.29
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
7.52 mm5.83 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512225938
Side View
Table 66.0%Crown 42.4°Girdle: STK-THKPavilion 35°Culet: NoneDepth 67.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,796 CAD|Low: $2,239 CAD|High: $7,829 CAD|Avg: $4,126 CAD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$2,293 CAD
Retailer 5$2,332 CAD
Retailer 9$2,611 CAD
Retailer 7$2,705 CAD
Retailer 10$2,947 CAD
Retailer 1$3,796 CAD
Retailer 8$4,251 CAD
Retailer 4$4,664 CAD
Retailer 2$7,440 CAD
Retailer 3$7,705 CAD

44 data points across 10 retailers

13 retailers$2,293 CAD to $4,251 CAD

B
Cheapest Retailer
-
$2,293 CAD
B
Retailer 2
-
$2,332 CAD
View
B
Retailer 3
-
$2,538 CAD
View
B
Retailer 4
-
$2,611 CAD
View
Final sale: no returns
Retailer 5
-
$2,705 CAD
View
Price last confirmed 26 days ago
B
Retailer 6
-
$2,705 CAD
View
B
Retailer 7
-
$2,947 CAD
View
B
Retailer 8
-
$3,796 CAD
View
B
Retailer 9
-
$4,251 CAD
View
Retailer 10
-
$4,664 CAD
View
Price under review
Most Expensive
NZ Jewellers
58615348-14eb-4e0a-924d-935e33d6be81 · Nov 6
$5,071 CAD
$3,605 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,293 CADSave up to $1,958 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
1.50ct Radiant
$2,293 CAD