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Round|Natural|GIA

0.52ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1539595120

Certificate GIA 1539595120

Diamond specifications and retailer prices

From £416 GBP
As of November 6, 2026
Save £1,213 GBP (74%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,773 GBP at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 0.52ct natural round diamond

This 0.52ct natural round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1539595120. Listed at 20 retailers as of November 5, 2026, with a 292% 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

0.52
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1539595120
Dimensions5.14 × 5.11 × 3.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
5.14 mm5.11 mm0.52 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1539595120
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.5%

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: Nov 6
Current: £1,773 GBP|Low: £416 GBP|High: £1,773 GBP|Avg: £748 GBP|+1.1%
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
Retailer 20
November 6, 2026
Retailer 2£416 GBP
Retailer 6£418 GBP
Retailer 4£516 GBP
Retailer 8£520 GBP
Retailer 5£528 GBP
Retailer 10£536 GBP
Retailer 16£554 GBP
Retailer 18£562 GBP
Retailer 9£565 GBP
Retailer 14£585 GBP
Retailer 12£652 GBP
Retailer 17£668 GBP
Retailer 15£675 GBP
Retailer 11£678 GBP
Retailer 13£720 GBP
Retailer 7£768 GBP
Retailer 19£790 GBP
Retailer 20£1,025 GBP
Retailer 3£1,629 GBP
NZ Jewellers£1,773 GBP

19 data points across 20 retailers

20 retailers£416 GBP to £1,629 GBP

A
Cheapest Retailer
-
£416 GBP
A
Retailer 2
-
£418 GBP
View
A
Retailer 3
-
£516 GBP
View
Final sale: no returns
A
Retailer 4
-
£520 GBP
View
A
Retailer 5
-
£528 GBP
View
Retailer 6
-
£536 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£554 GBP
View
A
Retailer 8
-
£562 GBP
View
Retailer 9
-
£565 GBP
View
Price last confirmed 15 days ago
A
Retailer 10
-
£585 GBP
View
Retailer 11
-
£652 GBP
View
Price last confirmed 17 days ago
B+
Retailer 12
-
£668 GBP
View
B+
Retailer 13
-
£675 GBP
View
B+
Retailer 14
-
£678 GBP
View
B+
Retailer 15
-
£720 GBP
View
B+
Retailer 16
-
£768 GBP
View
B+
Retailer 17
-
£790 GBP
View
B+
Retailer 18
-
£1,025 GBP
View
B
Retailer 19
-
£1,629 GBP
View
Most Expensive
NZ Jewellers
2dedaf05-7e34-4784-8f10-31fa1a57c9ef · Oct 20
£1,773 GBP
$2,386 USD
View
Price last confirmed 17 days ago
19 more retailers have this diamond
Prices start from £416 GBPSave up to £1,213 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
0.52ct Round
£416 GBP