Radiant|Lab Grown|IGI

1.25ct D FL Radiant Lab Grown Diamond

GD • D/FL

Diamond specifications and retailer prices

From $327 CAD
$234 USD
As of November 2, 2026
Save $2,214 CAD (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,541 CAD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.25ct lab-grown radiant diamond

This 1.25ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI. Listed at 5 retailers as of October 31, 2026, with prices from $327 to $2,541, a $2,214 spread on the same certified stone. Blue Nile lists it at $2,541. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
D
Color
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.48 × 5.12 × 3.74 mm
L/W Ratio1.46
Top View
7.48 mm5.12 mm1.25 ctD / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 67.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 73.0%

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: Nov 2
Current: $2,541 CAD|Low: $327 CAD|High: $3,679 CAD|Avg: $1,632 CAD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$327 CAD
Retailer 5$379 CAD
Retailer 3$742 CAD
Retailer 4$1,437 CAD
Blue Nile$2,541 CAD
Retailer 6$3,679 CAD

12 data points across 6 retailers

5 retailers$327 CAD to $2,541 CAD

A
Cheapest Retailer
-
$327 CAD
$234 USD
A
Retailer 2
-
$379 CAD
$271 USD
View
B+
Retailer 3
-
$742 CAD
$531 USD
View
B
Retailer 4
-
$1,437 CAD
$1,029 USD
View
Most Expensive
C
Blue Nile
30353582 · Oct 31
$2,541 CAD
$1,819 USD
View
4 more retailers have this diamond
Prices start from $327 CADSave up to $2,214 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
1.25ct Radiant
$327 CAD