Radiant|Lab Grown|IGI

1.04ct F SI1 Radiant Lab Grown Diamond

F/SI1 • IGI LG620453443

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

Certificate IGI LG620453443

Diamond specifications and retailer prices

From €334 EUR
$375 USD
As of November 1, 2026
Save €117 EUR (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €452 EUR at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.04ct lab-grown radiant diamond

This 1.04ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included) and certified by IGI LG620453443 or 620453443. Listed at 3 retailers as of October 31, 2026, with prices from €334 to €452, a €117 spread on the same certified stone. Diamond Quarter lists it at €452. 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

1.04
Carat
F
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620453443
Dimensions7.18 × 5.05 × 3.27 mm
L/W Ratio1.42
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
7.18 mm5.05 mm1.04 ctF / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620453443
Side View
Table 62.0%Crown 40.8°Girdle: MediumPavilion 34.2°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €334 EUR|Low: €329 EUR|High: €425 EUR|Avg: €398 EUR|+1.6%
Retailer 1
Retailer 2
September 23, 2026
Retailer 1€334 EUR
Retailer 2€425 EUR

5 data points across 2 retailers

3 retailers€334 EUR to €452 EUR

B+
Cheapest Retailer
-
€334 EUR
$375 USD
B
Retailer 2
-
€425 EUR
£375 GBP
View
Most Expensive
B
Diamond Quarter
1.04SI1FLG43A79AN · Oct 31
€452 EUR
£399 GBP
View
2 more retailers have this diamond
Prices start from €334 EURSave up to €117 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.

B+
1.04ct Radiant
€334 EUR