Radiant|Lab Grown|IGI

1.33ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG670436829

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

Certificate IGI LG670436829

Diamond specifications and retailer prices

From €430 EUR
$482 USD
As of October 30, 2026
Save €1,451 EUR (77%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €1,881 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG670436829 or 670436829. Listed at 6 retailers as of October 30, 2026, with prices from €430 to €1,881, a €1,451 spread on the same certified stone. Brilliant Earth lists it at €1,881. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle30.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670436829
Dimensions7.76 × 5.41 × 3.66 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.76 mm5.41 mm1.33 ctF / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670436829
Side View
Table 66.0%Crown 30.2°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 67.7%

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: €1,881 EUR|Low: €430 EUR|High: €2,247 EUR|Avg: €1,117 EUR|-16.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4€430 EUR
Retailer 2€543 EUR
Retailer 5€836 EUR
Retailer 6€876 EUR
Retailer 3€1,453 EUR
Retailer 7€1,542 EUR
Brilliant Earth€1,881 EUR

12 data points across 7 retailers

6 retailers€430 EUR to €1,881 EUR

A
Cheapest Retailer
-
€430 EUR
$482 USD
A
Retailer 2
-
€543 EUR
View
B+
Retailer 3
-
€853 EUR
$957 USD
View
B+
Retailer 4
-
€876 EUR
$983 USD
View
Retailer 5
-
€1,453 EUR
$1,630 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
13874950A · Oct 31
€1,881 EUR
$2,110 USD
View
5 more retailers have this diamond
Prices start from €430 EURSave up to €1,451 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
1.33ct Radiant
€430 EUR