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Radiant|Lab Grown|IGI

10.53ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG574321541

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

Certificate IGI LG574321541

Diamond specifications and retailer prices

From $1,841 AUD
$1,290 USD
As of November 2, 2026
Save $2,160 AUD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,699 AUD at Adiamor · As of November 2, 2026
View at Adiamor

About this 10.53ct lab-grown radiant diamond

This 10.53ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG574321541 or 574321541. Listed at 13 retailers as of November 1, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

10.53
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG574321541
Dimensions15.44 × 10.81 × 7.11 mm
L/W Ratio1.43
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
15.44 mm10.81 mm10.53 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG574321541
Side View
Table 64.5%Crown 44.7°Girdle: Slightly ThickPavilion 33.8°Culet: NoneDepth 65.8%

Caratlytics Score

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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 2
Current: $10,699 AUD|Low: $1,841 AUD|High: $24,172 AUD|Avg: $6,910 AUD|-51.7%
Adiamor
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
Retailer 16
November 3, 2026
Retailer 5$1,841 AUD
Retailer 10$1,905 AUD
Retailer 4$2,002 AUD
Retailer 13$2,135 AUD
Retailer 14$2,383 AUD
Retailer 16$2,520 AUD
Retailer 15$2,907 AUD
Retailer 2$3,008 AUD
Retailer 11$3,379 AUD
Retailer 9$3,432 AUD
Retailer 12$3,978 AUD
Retailer 3$4,001 AUD
Retailer 7$9,945 AUD
Adiamor$10,699 AUD
Retailer 6$20,353 AUD
Retailer 8$24,172 AUD

8 data points across 16 retailers

13 retailers$1,841 AUD to $4,001 AUD

A
Cheapest Retailer
-
$1,841 AUD
$1,290 USD
A
Retailer 2
-
$1,905 AUD
£1,051 GBP
View
A
Retailer 3
-
$2,002 AUD
$1,403 USD
View
A
Retailer 4
-
$2,135 AUD
$1,496 USD
View
A
Retailer 5
-
$2,383 AUD
$1,670 USD
View
B+
Retailer 6
-
$2,520 AUD
HK$13,800 HKD
View
B+
Retailer 7
-
$2,907 AUD
$2,037 USD
View
B+
Retailer 8
-
$3,008 AUD
£1,660 GBP
View
B+
Retailer 9
-
$3,379 AUD
$2,368 USD
View
B+
Retailer 10
-
$3,432 AUD
€2,291 EUR
View
B
Retailer 11
-
$3,978 AUD
$2,788 USD
View
B
Retailer 12
-
$4,001 AUD
$2,804 USD
View
Most Expensive
Adiamor
D-82829882 · Nov 2
$10,699 AUD
$7,498 USD
View
Price under review
12 more retailers have this diamond
Prices start from $1,841 AUDSave up to $2,160 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
10.53ct Radiant
$1,841 AUD