Round|Natural|GIA

0.50ct J I1 Round Natural Diamond

EX • J/I1 • GIA 6522437125

Certificate GIA 6522437125

Diamond specifications and retailer prices

From €380 EUR
$425 USD
As of October 30, 2026
Save €472 EUR (55%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,885 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6522437125. Listed at 9 retailers as of October 30, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
J
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6522437125
Dimensions5.17 × 5.15 × 3.11 mm
L/W Ratio1.00
Top View
5.17 mm5.15 mm0.50 ctJ / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522437125
Side View
Table 58.0%Crown 33°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,885 EUR|Low: €158 EUR|High: €1,885 EUR|Avg: €554 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
Retailer 13
Retailer 14
November 1, 2026
Retailer 3€158 EUR
Retailer 5€183 EUR
Retailer 14€225 EUR
Retailer 4€287 EUR
Retailer 6€354 EUR
Retailer 10€380 EUR
Retailer 12€544 EUR
Retailer 7€586 EUR
Retailer 8€586 EUR
Retailer 13€628 EUR
Retailer 9€666 EUR
Retailer 11€689 EUR
Retailer 2€852 EUR
NZ Jewellers€1,885 EUR

10 data points across 14 retailers

9 retailers€380 EUR to €852 EUR

B+
Cheapest Retailer
-
€380 EUR
$425 USD
B
Retailer 2
-
€544 EUR
$608 USD
View
B
Retailer 3
-
€586 EUR
$655 USD
View
B
Retailer 4
-
€586 EUR
$655 USD
View
B
Retailer 5
-
€628 EUR
$702 USD
View
B
Retailer 6
-
€666 EUR
$744 USD
View
B
Retailer 7
-
€689 EUR
$770 USD
View
B
Retailer 8
-
€852 EUR
View
Most Expensive
NZ Jewellers
f83ec209-1cb8-485c-b255-0c4d99b20dd6 · Oct 30
€1,885 EUR
$2,106 USD
View
Price under review
8 more retailers have this diamond
Prices start from €380 EURSave up to €472 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.

B+
0.50ct Round
€380 EUR