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Radiant|Lab Grown|IGI

1.02ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG494172716

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

Certificate IGI LG494172716

Diamond specifications and retailer prices

From €403 EUR
As of November 1, 2026
Save €1,088 EUR (73%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,491 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.02ct lab-grown radiant diamond

This 1.02ct 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 LG494172716 or 494172716. Listed at 5 retailers as of November 1, 2026, with prices from €403 to €1,491, a €1,088 spread on the same certified stone. MOH London lists it at €1,491. 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

1.02
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494172716
Dimensions6.67 × 5.07 × 3.34 mm
L/W Ratio1.32
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.67 mm5.07 mm1.02 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494172716
Side View
Table 65.0%Crown 42.7°Girdle: Slightly ThickPavilion 31.1°Culet: NoneDepth 65.9%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: €1,491 EUR|Low: €403 EUR|High: €1,513 EUR|Avg: €731 EUR|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4€403 EUR
Retailer 6€409 EUR
Retailer 2€577 EUR
Retailer 5€603 EUR
Retailer 3€660 EUR
Retailer 7€1,000 EUR
MOH London€1,491 EUR

43 data points across 7 retailers

5 retailers€403 EUR to €1,491 EUR

B+
Cheapest Retailer
-
€403 EUR
B+
Retailer 2
-
€577 EUR
View
B
Retailer 3
-
€603 EUR
View
B
Retailer 4
-
€660 EUR
View
Most Expensive
B
MOH London
LG494172716 · Nov 5
€1,491 EUR
£1,311 GBP
View
4 more retailers have this diamond
Prices start from €403 EURSave up to €1,088 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+
1.02ct Radiant
€403 EUR