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Round|Natural|GIA

0.50ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6495450286

Certificate GIA 6495450286

Diamond specifications and retailer prices

From $475 SGD
HK$2,900 HKD
As of November 1, 2026
Save $1,846 SGD (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,320 SGD 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 $475 to $2,320, a $1,846 spread on the same certified stone. NZ Jewellers lists it at $2,320. 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: $783 SGD|Low: $475 SGD|High: $1,414 SGD|Avg: $797 SGD|-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$475 SGD
Retailer 11$559 SGD
Retailer 10$621 SGD
Retailer 3$652 SGD
Retailer 4$745 SGD
Retailer 1$783 SGD
Retailer 5$832 SGD
Retailer 9$869 SGD
Retailer 6$934 SGD
Retailer 2$970 SGD
Retailer 8$1,400 SGD

35 data points across 11 retailers

24 retailers$475 SGD to $2,320 SGD

A
Cheapest Retailer
-
$475 SGD
HK$2,900 HKD
B+
Retailer 2
-
$559 SGD
$437 USD
View
Final sale: no returns
B+
Retailer 3
-
$605 SGD
$473 USD
View
A
Retailer 4
-
$621 SGD
View
B+
Retailer 5
-
$624 SGD
A$750 AUD
View
B+
Retailer 6
-
$644 SGD
View
B+
Retailer 7
-
$652 SGD
$510 USD
View
B+
Retailer 8
-
$652 SGD
$510 USD
View
B+
Retailer 9
-
$658 SGD
$515 USD
View
B+
Retailer 10
-
$698 SGD
$546 USD
View
B+
Retailer 11
-
$698 SGD
$546 USD
View
B+
Retailer 12
-
$745 SGD
£459 GBP
View
B+
Retailer 13
-
$747 SGD
£460 GBP
View
B+
Retailer 14
-
$773 SGD
$605 USD
View
B+
Retailer 15
-
$783 SGD
£482 GBP
View
B+
Retailer 16
-
$796 SGD
$623 USD
View
B+
Retailer 17
-
$832 SGD
€620 EUR
View
B
Retailer 18
-
$844 SGD
$660 USD
View
B
Retailer 19
-
$855 SGD
$669 USD
View
B
Retailer 20
-
$869 SGD
$680 USD
View
B
Retailer 21
-
$934 SGD
ZAR 11,806 ZAR
View
Retailer 22
-
$970 SGD
A$1,167 AUD
View
Price last confirmed 29 days ago
B
Retailer 23
-
$1,400 SGD
£862 GBP
View
Most Expensive
C
NZ Jewellers
2bf60d4b-caab-4a0c-94f0-101c968453b3 · Oct 30
$2,320 SGD
$1,815 USD
View
23 more retailers have this diamond
Prices start from $475 SGDSave up to $1,846 SGD

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
$475 SGD