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Radiant|Lab Grown|IGI

1.16ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG574321917

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

Certificate IGI LG574321917

Diamond specifications and retailer prices

From $364 AUD
As of November 2, 2026
Save $1,300 AUD (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,664 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.16ct lab-grown radiant diamond

This 1.16ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG574321917 or 574321917. Listed at 6 retailers as of November 2, 2026, with prices from $364 to $1,664, a $1,300 spread on the same certified stone. MOH London lists it at $1,664. 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

1.16
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG574321917
Dimensions7.42 × 5.07 × 3.49 mm
L/W Ratio1.46
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
7.42 mm5.07 mm1.16 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG574321917
Side View
Table 65.5%Crown 43.6°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 68.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $1,664 AUD|Low: $180 AUD|High: $1,684 AUD|Avg: $619 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 6$180 AUD
Retailer 3$364 AUD
Retailer 4$387 AUD
Retailer 2$399 AUD
Retailer 7$520 AUD
Retailer 5$815 AUD
MOH London$1,664 AUD

39 data points across 7 retailers

6 retailers$364 AUD to $1,664 AUD

A
Cheapest Retailer
-
$364 AUD
A
Retailer 2
-
$387 AUD
View
A
Retailer 3
-
$399 AUD
View
A
Retailer 4
-
$520 AUD
View
Retailer 5
-
$815 AUD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
LG574321917 · Nov 2
$1,664 AUD
£900 GBP
View
5 more retailers have this diamond
Prices start from $364 AUDSave up to $1,300 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
1.16ct Radiant
$364 AUD