Round|Natural|GIA

0.53ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2566506833

Certificate GIA 2566506833

Diamond specifications and retailer prices

From £419 GBP
As of October 30, 2026
Save £139 GBP (25%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,354 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566506833. Listed at 18 retailers as of October 30, 2026, with a 33% 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566506833
Dimensions5.21 × 5.24 × 3.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.21 mm5.24 mm0.53 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566506833
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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 30
Current: £1,354 GBP|Low: £305 GBP|High: £1,366 GBP|Avg: £593 GBP|-0.8%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 4£318 GBP
Retailer 17£361 GBP
Retailer 10£371 GBP
Retailer 12£392 GBP
Retailer 11£409 GBP
Retailer 13£419 GBP
Retailer 16£447 GBP
Retailer 9£454 GBP
Retailer 3£458 GBP
Retailer 5£499 GBP
Retailer 14£514 GBP
Retailer 15£523 GBP
Retailer 18£553 GBP
Retailer 2£558 GBP
Retailer 7£585 GBP
Retailer 8£603 GBP
Retailer 19£986 GBP
Retailer 6£1,243 GBP
NZ Jewellers£1,354 GBP

18 data points across 19 retailers

18 retailers£419 GBP to £558 GBP

Retailer 1
-
£318 GBP
Price last confirmed 9 days ago
Retailer 2
-
£361 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
£371 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
£409 GBP
View
Price last confirmed 16 days ago
A
Retailer 5
-
£419 GBP
View
Retailer 6
-
£447 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£454 GBP
View
Price last confirmed 10 days ago
Retailer 8
-
£458 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
£499 GBP
View
Price last confirmed 10 days ago
Retailer 10
-
£514 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
£523 GBP
View
Price last confirmed 8 days ago
Retailer 12
-
£553 GBP
View
Price last confirmed 8 days ago
B+
Retailer 13
-
£558 GBP
View
Retailer 14
-
£585 GBP
View
Price last confirmed 11 days ago
Retailer 15
-
£603 GBP
View
Price last confirmed 11 days ago
Retailer 16
-
£986 GBP
View
Price last confirmed 8 days ago
Retailer 17
-
£1,243 GBP
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
376305ba-98fc-48c7-bf96-6bafcd8db557 · Oct 27
£1,354 GBP
$1,823 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from £419 GBPSave up to £139 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
£419 GBP