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Radiant|Lab Grown|IGI

1.51ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG564374360

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

Certificate IGI LG564374360

Diamond specifications and retailer prices

From $1,038 AUD
£562 GBP
As of November 5, 2026
1 retailer carries this diamond
Only listing: $1,038 AUD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG564374360 or 564374360. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.51
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.2°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564374360
Dimensions7.92 × 5.61 × 3.78 mm
L/W Ratio1.41
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
7.92 mm5.61 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG564374360
Side View
Table 65.0%Crown 51.2°Girdle: Slightly ThickPavilion 33.9°Culet: NoneDepth 67.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $1,175 AUD|Low: $199 AUD|High: $2,285 AUD|Avg: $1,125 AUD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
June 25, 2026
Retailer 2$199 AUD
Retailer 5$445 AUD
Retailer 7$525 AUD
Retailer 4$589 AUD
Retailer 1$1,175 AUD
Retailer 6$1,300 AUD
Retailer 3$2,285 AUD

23 data points across 7 retailers

1 retailer

B
Diamond Quarter
1.51SI1FLG60D045N · Nov 5
$1,038 AUD
£562 GBP
View

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.

B
1.51ct Radiant
$1,038 AUD