Radiant|Lab Grown|IGI

1.25ct D FL Radiant Lab Grown Diamond

GD • D/FL

Diamond specifications and retailer prices

From €209 EUR
$234 USD
As of October 30, 2026
Save €1,419 EUR (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,628 EUR 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 30, 2026, with prices from €209 to €1,628, a €1,419 spread on the same certified stone. Blue Nile lists it at €1,628. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,628 EUR|Low: €209 EUR|High: €2,358 EUR|Avg: €1,046 EUR
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2€209 EUR
Retailer 5€243 EUR
Retailer 3€475 EUR
Retailer 4€921 EUR
Blue Nile€1,628 EUR
Retailer 6€2,358 EUR

12 data points across 6 retailers

5 retailers€209 EUR to €1,628 EUR

A
Cheapest Retailer
-
€209 EUR
$234 USD
A
Retailer 2
-
€243 EUR
$271 USD
View
B+
Retailer 3
-
€475 EUR
$531 USD
View
B
Retailer 4
-
€921 EUR
$1,029 USD
View
Most Expensive
C
Blue Nile
30353582 · Oct 31
€1,628 EUR
$1,819 USD
View
4 more retailers have this diamond
Prices start from €209 EURSave up to €1,419 EUR

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
€209 EUR