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Radiant|Lab Grown|IGI

1.00ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG626489530

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

Certificate IGI LG626489530

Diamond specifications and retailer prices

From €221 EUR
$248 USD
As of November 1, 2026
Save €900 EUR (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,121 EUR at MOH London · As of November 1, 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 LG626489530 or 626489530. Listed at 7 retailers as of November 1, 2026, with prices from €221 to €1,121, a €900 spread on the same certified stone. MOH London lists it at €1,121. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.8°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626489530
Dimensions7.01 × 4.76 × 3.25 mm
L/W Ratio1.47
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
7.01 mm4.76 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626489530
Side View
Table 68.0%Crown 49.8°Girdle: STK-THKPavilion 33.5°Culet: NoneDepth 68.3%

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 1
Current: €1,121 EUR|Low: €210 EUR|High: €1,127 EUR|Avg: €622 EUR|+9.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3€221 EUR
Retailer 6€430 EUR
Retailer 4€527 EUR
Retailer 2€533 EUR
Retailer 7€799 EUR
Retailer 5€1,051 EUR
MOH London€1,121 EUR

31 data points across 7 retailers

7 retailers€221 EUR to €1,121 EUR

A
Cheapest Retailer
-
€221 EUR
$248 USD
B+
Retailer 2
-
€430 EUR
$482 USD
View
B
Retailer 3
-
€527 EUR
$591 USD
View
B
Retailer 4
-
€533 EUR
£471 GBP
View
B
Retailer 5
-
€799 EUR
$896 USD
View
B
Retailer 6
-
€1,051 EUR
$1,179 USD
View
Most Expensive
B
MOH London
LG626489530 · Nov 1
€1,121 EUR
£990 GBP
View
6 more retailers have this diamond
Prices start from €221 EURSave up to €900 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
€221 EUR