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Radiant|Lab Grown|IGI

1.00ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG813649516

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

Certificate IGI LG813649516

Diamond specifications and retailer prices

From €117 EUR
As of November 6, 2026
Save €1,092 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,209 EUR at MOH London · As of November 5, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG813649516 or 813649516. Listed at 10 retailers as of November 5, 2026, with prices from €117 to €1,209, a €1,092 spread on the same certified stone. MOH London lists it at €1,209. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813649516
Dimensions7.02 × 4.79 × 3.45 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.02 mm4.79 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813649516
Side View
Table 62.0%Crown 46.6°Girdle: MediumPavilion 42.6°Culet: NoneDepth 72.0%

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 6
Current: €1,209 EUR|Low: €116 EUR|High: €1,256 EUR|Avg: €452 EUR|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3€117 EUR
Retailer 6€136 EUR
Retailer 2€187 EUR
Retailer 7€264 EUR
Retailer 8€434 EUR
Retailer 4€467 EUR
Retailer 5€493 EUR
Retailer 10€493 EUR
Retailer 9€499 EUR
MOH London€1,209 EUR

30 data points across 10 retailers

10 retailers€117 EUR to €1,209 EUR

A
Cheapest Retailer
-
€117 EUR
A
Retailer 2
-
€136 EUR
View
A
Retailer 3
-
€187 EUR
View
A
Retailer 4
-
€264 EUR
View
B+
Retailer 5
-
€434 EUR
View
B+
Retailer 6
-
€467 EUR
View
B+
Retailer 7
-
€493 EUR
View
B+
Retailer 8
-
€493 EUR
View
Retailer 9
-
€499 EUR
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG813649516 · Nov 5
€1,209 EUR
£1,063 GBP
View
9 more retailers have this diamond
Prices start from €117 EURSave up to €1,092 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
€117 EUR