Round|Natural|GIA

0.52ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6551507516

Certificate GIA 6551507516

Diamond specifications and retailer prices

From €400 EUR
$447 USD
As of October 29, 2026
Save €1,247 EUR (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,803 EUR 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
Color
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: €1,803 EUR|Low: €400 EUR|High: €1,803 EUR|Avg: €852 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10€400 EUR
Retailer 12€561 EUR
Retailer 4€581 EUR
Retailer 3€610 EUR
Retailer 5€686 EUR
Retailer 9€694 EUR
Retailer 2€698 EUR
Retailer 7€773 EUR
Retailer 11€864 EUR
Retailer 6€887 EUR
Retailer 8€1,335 EUR
NZ Jewellers€1,803 EUR

42 data points across 12 retailers

25 retailers€400 EUR to €1,647 EUR

A
Cheapest Retailer
-
€400 EUR
$447 USD
Final sale: no returns
A
Retailer 2
-
€539 EUR
$602 USD
View
A
Retailer 3
-
€542 EUR
$605 USD
View
A
Retailer 4
-
€552 EUR
A$949 AUD
View
Retailer 5
-
€561 EUR
$627 USD
View
Price last confirmed 16 days ago
Retailer 6
-
€561 EUR
$627 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
€581 EUR
$649 USD
View
Retailer 8
-
€601 EUR
$671 USD
View
Price last confirmed 40 days ago
B+
Retailer 9
-
€610 EUR
$682 USD
View
Retailer 10
-
€621 EUR
$694 USD
View
Price last confirmed 14 days ago
B+
Retailer 11
-
€636 EUR
$710 USD
View
B+
Retailer 12
-
€662 EUR
$740 USD
View
B+
Retailer 13
-
€662 EUR
$740 USD
View
B+
Retailer 14
-
€686 EUR
$767 USD
View
B+
Retailer 15
-
€689 EUR
$770 USD
View
B+
Retailer 16
-
€694 EUR
$775 USD
View
B+
Retailer 17
-
€698 EUR
£614 GBP
View
B+
Retailer 18
-
€726 EUR
$811 USD
View
B+
Retailer 19
-
€773 EUR
View
B
Retailer 20
-
€799 EUR
$892 USD
View
Retailer 21
-
€864 EUR
A$1,486 AUD
View
Price last confirmed 28 days ago
B+
Retailer 22
-
€887 EUR
ZAR 16,012 ZAR
View
Retailer 23
-
€1,335 EUR
£1,174 GBP
View
Price last confirmed 11 days ago
B
Retailer 24
-
€1,647 EUR
CA$2,555 CAD
View
Most Expensive
NZ Jewellers
183f5624-a2f2-4915-a51a-cbdbc147926a · Oct 17
€1,803 EUR
$2,014 USD
View
Price last confirmed 15 days ago
24 more retailers have this diamond
Prices start from €400 EURSave up to €1,247 EUR

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
€400 EUR