Round|Natural|GIA

0.53ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7558402243

Certificate GIA 7558402243

Diamond specifications and retailer prices

From £499 GBP
$669 USD
As of October 28, 2026
Save £681 GBP (58%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,018 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558402243. Listed at 24 retailers as of October 26, 2026, with a 136% 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

0.53
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7558402243
Dimensions5.17 × 5.20 × 3.19 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud
Top View
5.17 mm5.20 mm0.53 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558402243
Side View
Table 61.0%Crown 35°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £748 GBP|Low: £454 GBP|High: £1,192 GBP|Avg: £759 GBP|+5.5%
Retailer 1
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
Retailer 17
Retailer 18
October 30, 2026
Retailer 15£499 GBP
Retailer 5£537 GBP
Retailer 18£587 GBP
Retailer 8£591 GBP
Retailer 17£599 GBP
Retailer 3£661 GBP
Retailer 14£709 GBP
Retailer 2£716 GBP
Retailer 7£716 GBP
Retailer 6£720 GBP
Retailer 1£748 GBP
Retailer 4£790 GBP
Retailer 11£835 GBP
Retailer 9£905 GBP
Retailer 16£968 GBP
Retailer 13£991 GBP
Retailer 10£1,037 GBP
Retailer 12£1,180 GBP

39 data points across 18 retailers

24 retailers£499 GBP to £1,180 GBP

A
Cheapest Retailer
-
£499 GBP
$669 USD
Final sale: no returns
A
Retailer 2
-
£537 GBP
$719 USD
View
A
Retailer 3
-
£583 GBP
$781 USD
View
Retailer 4
-
£583 GBP
$781 USD
View
Price last confirmed 25 days ago
A
Retailer 5
-
£587 GBP
$786 USD
View
A
Retailer 6
-
£591 GBP
$792 USD
View
B+
Retailer 7
-
£599 GBP
$803 USD
View
B+
Retailer 8
-
£605 GBP
$811 USD
View
B+
Retailer 9
-
£661 GBP
$886 USD
View
B+
Retailer 10
-
£672 GBP
$901 USD
View
B+
Retailer 11
-
£709 GBP
$950 USD
View
B+
Retailer 12
-
£716 GBP
$960 USD
View
B+
Retailer 13
-
£716 GBP
$960 USD
View
B+
Retailer 14
-
£720 GBP
$965 USD
View
B+
Retailer 15
-
£739 GBP
$990 USD
View
B+
Retailer 16
-
£748 GBP
View
B
Retailer 17
-
£790 GBP
$1,058 USD
View
B+
Retailer 18
-
£835 GBP
€1,065 EUR
View
B
Retailer 19
-
£905 GBP
$1,213 USD
View
Retailer 20
-
£968 GBP
A$1,995 AUD
View
Price last confirmed 29 days ago
B
Retailer 21
-
£991 GBP
ZAR 21,447 ZAR
View
B
Retailer 22
-
£1,037 GBP
CA$1,929 CAD
View
B
Retailer 23
-
£1,180 GBP
View
Most Expensive
NZ Jewellers
d10c7149-3c27-467b-b93c-aaff63951093 · Oct 27
£2,018 GBP
$2,704 USD
View
Price under review
23 more retailers have this diamond
Prices start from £499 GBPSave up to £681 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
0.53ct Round
£499 GBP