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Round|Natural|GIA

0.53ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7451507528

Certificate GIA 7451507528

Diamond specifications and retailer prices

From £301 GBP
₹38,468 INR
As of October 31, 2026
Save £970 GBP (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,272 GBP at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7451507528. Listed at 14 retailers as of October 30, 2026, with prices from £301 to £1,272, a £970 spread on the same certified stone. NZ Jewellers lists it at £1,272. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7451507528
Dimensions5.22 × 5.19 × 3.19 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
5.22 mm5.19 mm0.53 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7451507528
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.4%

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 31
Current: £1,272 GBP|Low: £301 GBP|High: £1,285 GBP|Avg: £569 GBP|-0.6%
NZ Jewellers
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
October 31, 2026
Retailer 2£301 GBP
Retailer 12£408 GBP
Retailer 10£418 GBP
Retailer 11£440 GBP
Retailer 13£440 GBP
Retailer 3£471 GBP
Retailer 8£489 GBP
Retailer 14£506 GBP
Retailer 5£512 GBP
Retailer 7£551 GBP
Retailer 4£614 GBP
Retailer 9£623 GBP
Retailer 6£954 GBP
NZ Jewellers£1,272 GBP

43 data points across 14 retailers

14 retailers£301 GBP to £1,272 GBP

A
Cheapest Retailer
-
£301 GBP
₹38,468 INR
Retailer 2
-
£408 GBP
$547 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£418 GBP
$560 USD
View
Price last confirmed 11 days ago
Retailer 4
-
£440 GBP
$589 USD
View
Price last confirmed 17 days ago
Retailer 5
-
£440 GBP
$589 USD
View
Price last confirmed 16 days ago
Retailer 6
-
£471 GBP
$631 USD
View
Price last confirmed 11 days ago
Retailer 7
-
£489 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
£506 GBP
$678 USD
View
Price last confirmed 14 days ago
Retailer 9
-
£512 GBP
$686 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
£551 GBP
€703 EUR
View
Retailer 11
-
£614 GBP
A$1,265 AUD
View
Price last confirmed 27 days ago
Retailer 12
-
£623 GBP
ZAR 13,480 ZAR
View
Price last confirmed 11 days ago
Retailer 13
-
£954 GBP
View
Price last confirmed 21 days ago
Most Expensive
B
NZ Jewellers
d5a7c412-9451-4ff2-b352-e1252ee17ba5 · Oct 30
£1,272 GBP
$1,704 USD
View
13 more retailers have this diamond
Prices start from £301 GBPSave up to £970 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
£301 GBP