Round|Natural|GIA

0.53ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1503730081

Certificate GIA 1503730081

Diamond specifications and retailer prices

From £280 GBP
As of November 6, 2026
Save £923 GBP (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,211 GBP at NZ Jewellers · As of September 15, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1503730081. Listed at 17 retailers as of November 4, 2026, with a 329% 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1503730081
Dimensions5.18 × 5.14 × 3.24 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Top View
5.18 mm5.14 mm0.53 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1503730081
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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: Nov 6
Current: £1,203 GBP|Low: £280 GBP|High: £1,207 GBP|Avg: £509 GBP|-0.4%
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
November 6, 2026
Retailer 2£280 GBP
Retailer 12£356 GBP
Retailer 6£363 GBP
Retailer 4£383 GBP
Retailer 9£386 GBP
Retailer 11£413 GBP
Retailer 13£413 GBP
Retailer 5£443 GBP
Retailer 7£473 GBP
Retailer 14£477 GBP
Retailer 3£481 GBP
Retailer 8£516 GBP
Retailer 10£885 GBP
NZ Jewellers£1,203 GBP

36 data points across 14 retailers

17 retailers£280 GBP to £1,203 GBP

A
Cheapest Retailer
-
£280 GBP
A
Retailer 2
-
£356 GBP
View
Final sale: no returns
A
Retailer 3
-
£363 GBP
View
A
Retailer 4
-
£383 GBP
View
Retailer 5
-
£386 GBP
View
Price last confirmed 53 days ago
A
Retailer 6
-
£386 GBP
View
B+
Retailer 7
-
£413 GBP
View
Retailer 8
-
£413 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£443 GBP
View
Retailer 10
-
£446 GBP
View
Price last confirmed 53 days ago
B+
Retailer 11
-
£473 GBP
View
B+
Retailer 12
-
£477 GBP
View
B+
Retailer 13
-
£481 GBP
View
B+
Retailer 14
-
£516 GBP
View
B
Retailer 15
-
£885 GBP
View
B
Retailer 16
-
£1,203 GBP
View
Most Expensive
NZ Jewellers
04b950a9-cda4-405a-b4d7-e1cae3d12a90 · Sep 15
£1,211 GBP
$1,630 USD
View
Price last confirmed 52 days ago
16 more retailers have this diamond
Prices start from £280 GBPSave up to £923 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
£280 GBP