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 $1,290 USD
As of November 2, 2026
Save $1,514 USD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,498 USD 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
Color
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: $7,498 USD|Low: $1,290 USD|High: $16,940 USD|Avg: $4,934 USD|-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 2, 2026
Retailer 5$1,290 USD
Retailer 2$1,335 USD
Retailer 4$1,403 USD
Retailer 13$1,496 USD
Retailer 14$1,670 USD
Retailer 16$1,766 USD
Retailer 15$2,037 USD
Retailer 9$2,108 USD
Retailer 10$2,368 USD
Retailer 11$2,407 USD
Retailer 12$2,788 USD
Retailer 3$2,804 USD
Retailer 7$6,970 USD
Adiamor$7,498 USD
Retailer 6$14,264 USD
Retailer 8$16,940 USD

7 data points across 16 retailers

13 retailers$1,290 USD to $2,804 USD

A
Cheapest Retailer
-
$1,290 USD
A
Retailer 2
-
$1,335 USD
£1,051 GBP
View
A
Retailer 3
-
$1,403 USD
View
A
Retailer 4
-
$1,496 USD
View
A
Retailer 5
-
$1,670 USD
View
B+
Retailer 6
-
$1,766 USD
HK$13,800 HKD
View
B+
Retailer 7
-
$2,037 USD
View
B+
Retailer 8
-
$2,108 USD
£1,660 GBP
View
B+
Retailer 9
-
$2,368 USD
View
B+
Retailer 10
-
$2,407 USD
€2,292 EUR
View
B
Retailer 11
-
$2,788 USD
View
B
Retailer 12
-
$2,804 USD
View
Most Expensive
Adiamor
D-82829882 · Nov 2
$7,498 USD
View
Price under review
12 more retailers have this diamond
Prices start from $1,290 USDSave up to $1,514 USD

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
$1,290 USD