CaratHunter
Plans
Round|Natural|GIA

0.50ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6495450286

Certificate GIA 6495450286

Diamond specifications and retailer prices

From $659 NZD
HK$2,900 HKD
As of November 1, 2026
Save $2,562 NZD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,220 NZD 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6495450286. Listed at 24 retailers as of October 30, 2026, with prices from $659 to $3,220, a $2,562 spread on the same certified stone. NZ Jewellers lists it at $3,220. 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
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31°
Pavilion angle42.2°
OriginNatural
Grading LabGIA
CertificateGIA 6495450286
Dimensions5.09 × 5.03 × 3.11 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Top View
5.09 mm5.03 mm0.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6495450286
Side View
Table 64.0%Crown 31°Girdle: STK-THKPavilion 42.2°Culet: NoneDepth 61.5%

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 1
Current: $1,087 NZD|Low: $659 NZD|High: $1,963 NZD|Avg: $1,106 NZD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$659 NZD
Retailer 11$775 NZD
Retailer 10$861 NZD
Retailer 3$905 NZD
Retailer 4$1,034 NZD
Retailer 1$1,087 NZD
Retailer 5$1,155 NZD
Retailer 9$1,207 NZD
Retailer 6$1,297 NZD
Retailer 2$1,346 NZD
Retailer 8$1,942 NZD

35 data points across 11 retailers

24 retailers$659 NZD to $3,220 NZD

A
Cheapest Retailer
-
$659 NZD
HK$2,900 HKD
B+
Retailer 2
-
$775 NZD
$437 USD
View
Final sale: no returns
B+
Retailer 3
-
$839 NZD
$473 USD
View
A
Retailer 4
-
$861 NZD
SGD 656 SGD
View
B+
Retailer 5
-
$865 NZD
A$750 AUD
View
B+
Retailer 6
-
$894 NZD
SGD 681 SGD
View
B+
Retailer 7
-
$905 NZD
$510 USD
View
B+
Retailer 8
-
$905 NZD
$510 USD
View
B+
Retailer 9
-
$914 NZD
$515 USD
View
B+
Retailer 10
-
$969 NZD
$546 USD
View
B+
Retailer 11
-
$969 NZD
$546 USD
View
B+
Retailer 12
-
$1,034 NZD
£459 GBP
View
B+
Retailer 13
-
$1,037 NZD
£460 GBP
View
B+
Retailer 14
-
$1,073 NZD
$605 USD
View
B+
Retailer 15
-
$1,087 NZD
£482 GBP
View
B+
Retailer 16
-
$1,105 NZD
$623 USD
View
B+
Retailer 17
-
$1,155 NZD
€620 EUR
View
B
Retailer 18
-
$1,171 NZD
$660 USD
View
B
Retailer 19
-
$1,187 NZD
$669 USD
View
B
Retailer 20
-
$1,207 NZD
$680 USD
View
B
Retailer 21
-
$1,297 NZD
ZAR 11,806 ZAR
View
Retailer 22
-
$1,346 NZD
A$1,167 AUD
View
Price last confirmed 29 days ago
B
Retailer 23
-
$1,942 NZD
£862 GBP
View
Most Expensive
C
NZ Jewellers
2bf60d4b-caab-4a0c-94f0-101c968453b3 · Oct 30
$3,220 NZD
$1,815 USD
View
23 more retailers have this diamond
Prices start from $659 NZDSave up to $2,562 NZD

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
0.50ct Round
$659 NZD