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Radiant|Lab Grown|IGI

1.15ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG574325826

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

Certificate IGI LG574325826

Diamond specifications and retailer prices

From $218 AUD
As of November 6, 2026
Save $1,877 AUD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,096 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG574325826 or 574325826. Listed at 12 retailers as of November 2, 2026, with prices from $218 to $2,096, a $1,877 spread on the same certified stone. Do Amore Diamonds lists it at $2,096. 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 angle44.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG574325826
Dimensions7.39 × 5.14 × 3.42 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.39 mm5.14 mm1.15 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG574325826
Side View
Table 65.0%Crown 44.7°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,096 AUD|Low: $172 AUD|High: $2,096 AUD|Avg: $767 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 4, 2026
Retailer 11$218 AUD
Retailer 15$245 AUD
Retailer 14$253 AUD
Retailer 8$386 AUD
Retailer 6$483 AUD
Retailer 13$498 AUD
Retailer 3$562 AUD
Retailer 2$640 AUD
Retailer 7$688 AUD
Retailer 10$917 AUD
Retailer 12$959 AUD
Retailer 4$998 AUD
Retailer 5$1,004 AUD
Retailer 9$1,393 AUD
Do Amore Diamonds$2,096 AUD

39 data points across 15 retailers

12 retailers$218 AUD to $2,096 AUD

A
Cheapest Retailer
-
$218 AUD
A
Retailer 2
-
$245 AUD
View
Final sale: no returns
A
Retailer 3
-
$253 AUD
View
A
Retailer 4
-
$386 AUD
View
B+
Retailer 5
-
$498 AUD
View
B+
Retailer 6
-
$640 AUD
View
Retailer 7
-
$680 AUD
View
Price last confirmed 59 days ago
B+
Retailer 8
-
$764 AUD
View
B+
Retailer 9
-
$917 AUD
View
B+
Retailer 10
-
$959 AUD
View
B
Retailer 11
-
$1,393 AUD
View
Most Expensive
B
Do Amore Diamonds
27-0866E438A · Nov 2
$2,096 AUD
$1,440 USD
View
11 more retailers have this diamond
Prices start from $218 AUDSave up to $1,877 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
$218 AUD