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Round|Natural|GIA

0.50ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 2566544023

Certificate GIA 2566544023

Diamond specifications and retailer prices

From $1,109 AUD
$779 USD
As of October 25, 2026
Save $1,137 AUD (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,841 AUD at NZ Jewellers · As of October 26, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2566544023. Listed at 16 retailers as of October 25, 2026, with a 102% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2566544023
Dimensions4.94 × 5.02 × 3.18 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeNone
Top View
4.94 mm5.02 mm0.50 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566544023
Side View
Table 56.0%Crown 37.5°Girdle: THN-THKPavilion 40.2°Culet: NoneDepth 63.9%

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 25
Current: $3,841 AUD|Low: $448 AUD|High: $3,841 AUD|Avg: $1,154 AUD
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
October 28, 2026
Retailer 9$491 AUD
Retailer 4$565 AUD
Retailer 6$599 AUD
Retailer 10$687 AUD
Retailer 7$787 AUD
Retailer 5$805 AUD
Retailer 8$896 AUD
Retailer 13$1,109 AUD
Retailer 16$1,109 AUD
Retailer 17$1,126 AUD
Retailer 14$1,152 AUD
Retailer 3$1,280 AUD
Retailer 18$1,305 AUD
Retailer 19$1,408 AUD
Retailer 2$1,445 AUD
Retailer 12$1,584 AUD
Retailer 11$1,847 AUD
Retailer 15$2,246 AUD
NZ Jewellers$3,841 AUD

10 data points across 19 retailers

16 retailers$1,109 AUD to $2,246 AUD

Retailer 1
-
$565 AUD
HK$3,100 HKD
Price last confirmed 20 days ago
Retailer 2
-
$687 AUD
SGD 652 SGD
View
Price last confirmed 21 days ago
Retailer 3
-
$787 AUD
£435 GBP
View
Price last confirmed 21 days ago
Retailer 4
-
$805 AUD
£445 GBP
View
Price last confirmed 21 days ago
Retailer 5
-
$896 AUD
$629 USD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$1,109 AUD
$779 USD
View
B+
Retailer 7
-
$1,109 AUD
$779 USD
View
B
Retailer 8
-
$1,126 AUD
$791 USD
View
B
Retailer 9
-
$1,152 AUD
$809 USD
View
B
Retailer 10
-
$1,280 AUD
$899 USD
View
B
Retailer 11
-
$1,305 AUD
$917 USD
View
B
Retailer 12
-
$1,408 AUD
$989 USD
View
B
Retailer 13
-
$1,445 AUD
£799 GBP
View
C
Retailer 14
-
$1,584 AUD
€1,060 EUR
View
C
Retailer 15
-
$2,246 AUD
£1,242 GBP
View
Most Expensive
NZ Jewellers
d221c8eb-9ae5-4f0b-84f8-42bdf8770de1 · Oct 26
$3,841 AUD
$2,698 USD
View
Price under review
15 more retailers have this diamond
Prices start from $1,109 AUDSave up to $1,137 AUD

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
$1,109 AUD