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0.52ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2566520575

Certificate GIA 2566520575

Diamond specifications and retailer prices

From £422 GBP
As of November 5, 2026
Save £1,351 GBP (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,773 GBP at NZ Jewellers · As of November 4, 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 2566520575. Listed at 23 retailers as of November 4, 2026, with prices from £422 to £1,773, a £1,351 spread on the same certified stone. NZ Jewellers lists it at £1,773. 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°
OriginNatural
Grading LabGIA
CertificateGIA 2566520575
Dimensions5.21 × 5.20 × 3.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.21 mm5.20 mm0.52 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566520575
Side View
Table 56.0%Crown 35°Girdle: THN-MEDPavilion 41°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: Nov 5
Current: £1,773 GBP|Low: £422 GBP|High: £1,791 GBP|Avg: £727 GBP|-1.0%
NZ Jewellers
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Retailer 23
November 6, 2026
Retailer 20£422 GBP
Retailer 14£428 GBP
Retailer 7£522 GBP
Retailer 10£528 GBP
Retailer 8£533 GBP
Retailer 15£542 GBP
Retailer 22£545 GBP
Retailer 21£560 GBP
Retailer 12£565 GBP
Retailer 23£568 GBP
Retailer 6£587 GBP
Retailer 13£591 GBP
Retailer 5£652 GBP
Retailer 17£675 GBP
Retailer 16£684 GBP
Retailer 19£684 GBP
Retailer 2£727 GBP
Retailer 18£737 GBP
Retailer 9£774 GBP
Retailer 3£799 GBP
Retailer 11£1,035 GBP
Retailer 4£1,647 GBP
NZ Jewellers£1,773 GBP

17 data points across 23 retailers

23 retailers£422 GBP to £1,773 GBP

A
Cheapest Retailer
-
£422 GBP
A
Retailer 2
-
£428 GBP
View
A
Retailer 3
-
£522 GBP
View
Final sale: no returns
A
Retailer 4
-
£528 GBP
View
A
Retailer 5
-
£533 GBP
View
Retailer 6
-
£542 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
£545 GBP
View
A
Retailer 8
-
£560 GBP
View
A
Retailer 9
-
£565 GBP
View
A
Retailer 10
-
£568 GBP
View
A
Retailer 11
-
£587 GBP
View
A
Retailer 12
-
£591 GBP
View
A
Retailer 13
-
£652 GBP
View
B+
Retailer 14
-
£675 GBP
View
B+
Retailer 15
-
£684 GBP
View
B+
Retailer 16
-
£684 GBP
View
B+
Retailer 17
-
£727 GBP
View
B+
Retailer 18
-
£737 GBP
View
B+
Retailer 19
-
£774 GBP
View
B+
Retailer 20
-
£799 GBP
View
B+
Retailer 21
-
£1,035 GBP
View
B
Retailer 22
-
£1,647 GBP
View
Most Expensive
B
NZ Jewellers
457a20ad-d49e-447b-9015-4b6ae0a4b7aa · Nov 4
£1,773 GBP
$2,386 USD
View
22 more retailers have this diamond
Prices start from £422 GBPSave up to £1,351 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
£422 GBP