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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 $506 AUD
As of November 6, 2026
Save $883 AUD (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,390 AUD at MOH London · As of November 4, 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 November 4, 2026, with prices from $506 to $1,390, a $883 spread on the same certified stone. MOH London lists it at $1,390. 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
Colour
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: Nov 6
Current: $1,390 AUD|Low: $442 AUD|High: $1,410 AUD|Avg: $704 AUD|+0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$506 AUD
Retailer 3$522 AUD
Retailer 6$531 AUD
Retailer 7$536 AUD
Retailer 4$669 AUD
Retailer 5$767 AUD
MOH London$1,390 AUD

37 data points across 7 retailers

7 retailers$506 AUD to $1,390 AUD

A
Cheapest Retailer
-
$506 AUD
A
Retailer 2
-
$522 AUD
View
A
Retailer 3
-
$531 AUD
View
A
Retailer 4
-
$536 AUD
View
A
Retailer 5
-
$669 AUD
View
B+
Retailer 6
-
$767 AUD
View
Most Expensive
B
MOH London
LG758503995 · Nov 4
$1,390 AUD
£752 GBP
View
6 more retailers have this diamond
Prices start from $506 AUDSave up to $883 AUD

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
$506 AUD