Round|Natural|GIA

0.50ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6495450286

Certificate GIA 6495450286

Diamond specifications and retailer prices

From $371 USD
HK$2,900 HKD
As of November 1, 2026
Save $1,444 USD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,815 USD 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 $371 to $1,815, a $1,444 spread on the same certified stone. NZ Jewellers lists it at $1,815. 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
Color
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: $613 USD|Low: $371 USD|High: $1,106 USD|Avg: $638 USD|-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 1, 2026
Retailer 7$371 USD
Retailer 11$437 USD
Retailer 10$485 USD
Retailer 3$510 USD
Retailer 5$583 USD
Retailer 1$613 USD
Retailer 4$651 USD
Retailer 9$680 USD
Retailer 6$731 USD
Retailer 2$758 USD
Retailer 8$1,095 USD

35 data points across 11 retailers

24 retailers$371 USD to $1,815 USD

A
Cheapest Retailer
-
$371 USD
HK$2,900 HKD
B+
Retailer 2
-
$437 USD
View
Final sale: no returns
B+
Retailer 3
-
$473 USD
View
A
Retailer 4
-
$485 USD
SGD 656 SGD
View
B+
Retailer 5
-
$488 USD
A$750 AUD
View
B+
Retailer 6
-
$504 USD
SGD 681 SGD
View
B+
Retailer 7
-
$510 USD
View
B+
Retailer 8
-
$510 USD
View
B+
Retailer 9
-
$515 USD
View
B+
Retailer 10
-
$546 USD
View
B+
Retailer 11
-
$546 USD
View
B+
Retailer 12
-
$583 USD
£459 GBP
View
B+
Retailer 13
-
$584 USD
£460 GBP
View
B+
Retailer 14
-
$605 USD
View
B+
Retailer 15
-
$613 USD
£482 GBP
View
B+
Retailer 16
-
$623 USD
View
B+
Retailer 17
-
$651 USD
€620 EUR
View
B
Retailer 18
-
$660 USD
View
B
Retailer 19
-
$669 USD
View
B
Retailer 20
-
$680 USD
View
B
Retailer 21
-
$731 USD
ZAR 11,806 ZAR
View
Retailer 22
-
$758 USD
A$1,167 AUD
View
Price last confirmed 28 days ago
B
Retailer 23
-
$1,095 USD
£862 GBP
View
Most Expensive
C
NZ Jewellers
2bf60d4b-caab-4a0c-94f0-101c968453b3 · Oct 30
$1,815 USD
View
23 more retailers have this diamond
Prices start from $371 USDSave up to $1,444 USD

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
$371 USD