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Radiant|Lab Grown|IGI

1.00ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG529265219

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

Certificate IGI LG529265219

Diamond specifications and retailer prices

From €118 EUR
As of November 2, 2026
Save €1,103 EUR (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,222 EUR at MOH London · As of November 2, 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 LG529265219 or 529265219. Listed at 15 retailers as of November 2, 2026, with prices from €118 to €1,222, a €1,103 spread on the same certified stone. MOH London lists it at €1,222. 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 angle39.3°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529265219
Dimensions7.05 × 5.10 × 3.34 mm
L/W Ratio1.38
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
7.05 mm5.10 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529265219
Side View
Table 62.0%Crown 39.3°Girdle: MED-STKPavilion 33.6°Culet: NoneDepth 65.5%

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 2
Current: €1,222 EUR|Low: €113 EUR|High: €1,235 EUR|Avg: €355 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 6€118 EUR
Retailer 9€132 EUR
Retailer 8€146 EUR
Retailer 7€195 EUR
Retailer 2€246 EUR
Retailer 3€259 EUR
Retailer 4€278 EUR
Retailer 10€366 EUR
Retailer 5€496 EUR
MOH London€1,222 EUR

41 data points across 10 retailers

15 retailers€118 EUR to €1,222 EUR

A
Cheapest Retailer
-
€118 EUR
A
Retailer 2
-
€137 EUR
View
Retailer 3
-
€146 EUR
View
Price last confirmed 13 days ago
A
Retailer 4
-
€146 EUR
View
A
Retailer 5
-
€172 EUR
View
B+
Retailer 6
-
€195 EUR
View
A
Retailer 7
-
€246 EUR
View
A
Retailer 8
-
€252 EUR
View
A
Retailer 9
-
€259 EUR
View
A
Retailer 10
-
€278 EUR
View
B+
Retailer 11
-
€366 EUR
View
B
Retailer 12
-
€470 EUR
View
B+
Retailer 13
-
€496 EUR
View
B
Retailer 14
-
€562 EUR
View
Most Expensive
B
MOH London
LG529265219 · Nov 2
€1,222 EUR
£1,074 GBP
View
14 more retailers have this diamond
Prices start from €118 EURSave up to €1,103 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
€118 EUR