Radiant|Lab Grown|IGI

1.15ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG758503995

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

Certificate IGI LG758503995

Diamond specifications and retailer prices

From €322 EUR
£284 GBP
As of October 31, 2026
Save €536 EUR (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €858 EUR at MOH London · As of October 25, 2026
View at MOH London

About this 1.15ct lab-grown radiant diamond

This 1.15ct 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 LG758503995 or 758503995. Listed at 7 retailers as of October 25, 2026, with prices from €322 to €858, a €536 spread on the same certified stone. MOH London lists it at €858. 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

1.15
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758503995
Dimensions8.03 × 5.17 × 3.15 mm
L/W Ratio1.55
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.03 mm5.17 mm1.15 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758503995
Side View
Table 65.0%Crown 39.3°Girdle: MediumPavilion 30.9°Culet: NoneDepth 60.9%

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: Oct 31
Current: €858 EUR|Low: €272 EUR|High: €867 EUR|Avg: €433 EUR|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2€322 EUR
Retailer 6€327 EUR
Retailer 4€329 EUR
Retailer 7€329 EUR
Retailer 3€434 EUR
Retailer 5€472 EUR
MOH London€858 EUR

31 data points across 7 retailers

7 retailers€322 EUR to €858 EUR

A
Cheapest Retailer
-
€322 EUR
£284 GBP
A
Retailer 2
-
€327 EUR
$365 USD
View
Retailer 3
-
€329 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
€329 EUR
$368 USD
View
Retailer 5
-
€434 EUR
$485 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
€472 EUR
$527 USD
View
Most Expensive
B
MOH London
LG758503995 · Oct 25
€858 EUR
£755 GBP
View
6 more retailers have this diamond
Prices start from €322 EURSave up to €536 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
1.15ct Radiant
€322 EUR