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 £961 GBP
$1,290 USD
As of November 2, 2026
Save £1,128 GBP (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £5,587 GBP 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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Price History

Last verified: Nov 2
Current: £5,587 GBP|Low: £961 GBP|High: £12,624 GBP|Avg: £3,676 GBP|-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£961 GBP
Retailer 9£995 GBP
Retailer 4£1,046 GBP
Retailer 13£1,115 GBP
Retailer 14£1,244 GBP
Retailer 16£1,316 GBP
Retailer 15£1,518 GBP
Retailer 10£1,571 GBP
Retailer 11£1,765 GBP
Retailer 2£1,793 GBP
Retailer 12£2,078 GBP
Retailer 3£2,090 GBP
Retailer 7£5,194 GBP
Adiamor£5,587 GBP
Retailer 6£10,629 GBP
Retailer 8£12,624 GBP

7 data points across 16 retailers

13 retailers£961 GBP to £2,090 GBP

A
Cheapest Retailer
-
£961 GBP
$1,290 USD
A
Retailer 2
-
£995 GBP
View
A
Retailer 3
-
£1,046 GBP
$1,403 USD
View
A
Retailer 4
-
£1,115 GBP
$1,496 USD
View
A
Retailer 5
-
£1,244 GBP
$1,670 USD
View
B+
Retailer 6
-
£1,316 GBP
HK$13,800 HKD
View
B+
Retailer 7
-
£1,518 GBP
$2,037 USD
View
B+
Retailer 8
-
£1,571 GBP
View
B+
Retailer 9
-
£1,765 GBP
$2,368 USD
View
B+
Retailer 10
-
£1,793 GBP
€2,291 EUR
View
B
Retailer 11
-
£2,078 GBP
$2,788 USD
View
B
Retailer 12
-
£2,090 GBP
$2,804 USD
View
Most Expensive
Adiamor
D-82829882 · Nov 2
£5,587 GBP
$7,498 USD
View
Price under review
12 more retailers have this diamond
Prices start from £961 GBPSave up to £1,128 GBP

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
£961 GBP