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Round|Natural|GIA

0.50ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 1289573368

Certificate GIA 1289573368

Diamond specifications and retailer prices

From $532 SGD
$416 USD
As of October 31, 2026
Save $1,875 SGD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,407 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 1289573368. Listed at 22 retailers as of October 30, 2026, with prices from $532 to $2,407, a $1,875 spread on the same certified stone. NZ Jewellers lists it at $2,407. 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 angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1289573368
Dimensions5.18 × 5.16 × 3.07 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Culet sizeNone
Key to symbols
Pinpoint
Top View
5.18 mm5.16 mm0.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1289573368
Side View
Table 61.0%Crown 32.5°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 59.3%

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: Oct 31
Current: $1,028 SGD|Low: $532 SGD|High: $1,794 SGD|Avg: $1,007 SGD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$532 SGD
Retailer 3$567 SGD
Retailer 6$869 SGD
Retailer 2$886 SGD
Retailer 5$931 SGD
Retailer 10$1,005 SGD
Retailer 1$1,028 SGD
Retailer 9$1,154 SGD
Retailer 7$1,185 SGD
Retailer 4$1,773 SGD

34 data points across 10 retailers

22 retailers$532 SGD to $2,407 SGD

A
Cheapest Retailer
-
$532 SGD
$416 USD
Final sale: no returns
A
Retailer 2
-
$567 SGD
₹42,258 INR
View
Retailer 3
-
$767 SGD
$600 USD
View
Price last confirmed 45 days ago
B+
Retailer 4
-
$767 SGD
$600 USD
View
B+
Retailer 5
-
$786 SGD
$615 USD
View
B
Retailer 6
-
$827 SGD
$647 USD
View
B
Retailer 7
-
$827 SGD
$647 USD
View
B
Retailer 8
-
$869 SGD
$680 USD
View
B
Retailer 9
-
$886 SGD
$693 USD
View
B
Retailer 10
-
$886 SGD
$693 USD
View
Retailer 11
-
$886 SGD
$693 USD
View
Price last confirmed 40 days ago
B
Retailer 12
-
$909 SGD
$711 USD
View
B
Retailer 13
-
$931 SGD
£573 GBP
View
B
Retailer 14
-
$936 SGD
$732 USD
View
Retailer 15
-
$1,005 SGD
£619 GBP
View
Price last confirmed 32 days ago
B
Retailer 16
-
$1,028 SGD
€766 EUR
View
B
Retailer 17
-
$1,062 SGD
$831 USD
View
Retailer 18
-
$1,154 SGD
A$1,389 AUD
View
Price last confirmed 28 days ago
B
Retailer 19
-
$1,185 SGD
ZAR 14,972 ZAR
View
B
Retailer 20
-
$1,773 SGD
£1,092 GBP
View
Retailer 21
-
$2,407 SGD
$1,883 USD
View
Price last confirmed 41 days ago
Most Expensive
C
NZ Jewellers
e42d89bc-f602-48c9-aa84-0795d9f5997c · Oct 30
$2,407 SGD
$1,883 USD
View
21 more retailers have this diamond
Prices start from $532 SGDSave up to $1,875 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
$532 SGD