Round|Natural|GIA

0.52ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6551507516

Certificate GIA 6551507516

Diamond specifications and retailer prices

From £334 GBP
$447 USD
As of October 29, 2026
Save £1,039 GBP (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,503 GBP at NZ Jewellers · As of October 17, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551507516. Listed at 25 retailers as of October 29, 2026, with a 312% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551507516
Dimensions5.14 × 5.18 × 3.14 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud
Top View
5.14 mm5.18 mm0.52 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551507516
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 41°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 29
Current: £1,503 GBP|Low: £334 GBP|High: £1,503 GBP|Avg: £710 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10£334 GBP
Retailer 12£468 GBP
Retailer 4£484 GBP
Retailer 3£509 GBP
Retailer 2£572 GBP
Retailer 9£578 GBP
Retailer 5£587 GBP
Retailer 7£645 GBP
Retailer 11£721 GBP
Retailer 6£740 GBP
Retailer 8£1,113 GBP
NZ Jewellers£1,503 GBP

42 data points across 12 retailers

25 retailers£334 GBP to £1,373 GBP

A
Cheapest Retailer
-
£334 GBP
$447 USD
Final sale: no returns
A
Retailer 2
-
£449 GBP
$602 USD
View
A
Retailer 3
-
£452 GBP
$605 USD
View
A
Retailer 4
-
£460 GBP
A$949 AUD
View
Retailer 5
-
£468 GBP
$627 USD
View
Price last confirmed 15 days ago
Retailer 6
-
£468 GBP
$627 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
£484 GBP
$649 USD
View
Retailer 8
-
£501 GBP
$671 USD
View
Price last confirmed 39 days ago
B+
Retailer 9
-
£509 GBP
$682 USD
View
Retailer 10
-
£518 GBP
$694 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
£530 GBP
$710 USD
View
B+
Retailer 12
-
£552 GBP
$740 USD
View
B+
Retailer 13
-
£552 GBP
$740 USD
View
B+
Retailer 14
-
£572 GBP
$767 USD
View
B+
Retailer 15
-
£575 GBP
$770 USD
View
B+
Retailer 16
-
£578 GBP
$775 USD
View
B+
Retailer 17
-
£587 GBP
View
B+
Retailer 18
-
£605 GBP
$811 USD
View
B+
Retailer 19
-
£645 GBP
€823 EUR
View
B
Retailer 20
-
£666 GBP
$892 USD
View
Retailer 21
-
£721 GBP
A$1,486 AUD
View
Price last confirmed 27 days ago
B+
Retailer 22
-
£740 GBP
ZAR 16,012 ZAR
View
Retailer 23
-
£1,113 GBP
View
Price last confirmed 10 days ago
B
Retailer 24
-
£1,373 GBP
CA$2,555 CAD
View
Most Expensive
NZ Jewellers
183f5624-a2f2-4915-a51a-cbdbc147926a · Oct 17
£1,503 GBP
$2,014 USD
View
Price last confirmed 14 days ago
24 more retailers have this diamond
Prices start from £334 GBPSave up to £1,039 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
£334 GBP