Radiant|Lab Grown|IGI

1.00ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG649405924

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

Certificate IGI LG649405924

Diamond specifications and retailer prices

From €206 EUR
$230 USD
As of November 1, 2026
Save €649 EUR (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €855 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG649405924 or 649405924. Listed at 12 retailers as of October 29, 2026, with prices from €206 to €855, a €649 spread on the same certified stone. MOH London lists it at €855. 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

1.00
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405924
Dimensions7.18 × 4.93 × 3.23 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm4.93 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405924
Side View
Table 66.0%Crown 43.6°Girdle: MediumPavilion 32.7°Culet: NoneDepth 65.5%

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: Nov 1
Current: €855 EUR|Low: €206 EUR|High: €861 EUR|Avg: €402 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6€206 EUR
Retailer 4€303 EUR
Retailer 2€322 EUR
Retailer 5€383 EUR
Retailer 3€403 EUR
MOH London€855 EUR

42 data points across 6 retailers

12 retailers€206 EUR to €855 EUR

A
Cheapest Retailer
-
€206 EUR
$230 USD
A
Retailer 2
-
€303 EUR
$339 USD
View
A
Retailer 3
-
€322 EUR
£283 GBP
View
Retailer 4
-
€345 EUR
$385 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
€349 EUR
$390 USD
View
Retailer 6
-
€354 EUR
$395 USD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
€376 EUR
$420 USD
View
B+
Retailer 8
-
€383 EUR
$428 USD
View
B+
Retailer 9
-
€403 EUR
$450 USD
View
B+
Retailer 10
-
€407 EUR
$455 USD
View
B
Retailer 11
-
€733 EUR
£645 GBP
View
Most Expensive
B
MOH London
LG649405924 · Oct 29
€855 EUR
£752 GBP
View
11 more retailers have this diamond
Prices start from €206 EURSave up to €649 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
1.00ct Radiant
€206 EUR