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Round|Natural|GIA

0.50ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 5403516956

Certificate GIA 5403516956

Diamond specifications and retailer prices

From $665 SGD
$520 USD
As of October 31, 2026
Save $1,594 SGD (71%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,259 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 5403516956. Listed at 26 retailers as of October 30, 2026, with prices from $665 to $2,259, a $1,594 spread on the same certified stone. NZ Jewellers lists it at $2,259. 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 angle33.5°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 5403516956
Dimensions5.09 × 5.01 × 3.12 mm
L/W Ratio1.02
Top View
5.09 mm5.01 mm0.50 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5403516956
Side View
Table 65.0%Crown 33.5°Girdle: STK-THKPavilion 42°Culet: NoneDepth 61.8%

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 31
Current: $1,664 SGD|Low: $453 SGD|High: $1,684 SGD|Avg: $924 SGD|-1.2%
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$533 SGD
Retailer 11$665 SGD
Retailer 8$776 SGD
Retailer 3$805 SGD
Retailer 9$869 SGD
Retailer 4$878 SGD
Retailer 10$972 SGD
Retailer 5$973 SGD
Retailer 2$1,083 SGD
Retailer 6$1,110 SGD
Retailer 1$1,664 SGD

39 data points across 11 retailers

26 retailers$665 SGD to $2,259 SGD

Retailer 1
-
$533 SGD
₹39,733 INR
Price last confirmed 8 days ago
B+
Retailer 2
-
$665 SGD
$520 USD
View
Final sale: no returns
Retailer 3
-
$720 SGD
$563 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$720 SGD
$563 USD
View
Price last confirmed 15 days ago
B+
Retailer 5
-
$720 SGD
$563 USD
View
B+
Retailer 6
-
$741 SGD
$580 USD
View
Retailer 7
-
$741 SGD
$580 USD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$776 SGD
$607 USD
View
Retailer 9
-
$776 SGD
$607 USD
View
Price last confirmed 17 days ago
Retailer 10
-
$831 SGD
$650 USD
View
Price last confirmed 35 days ago
B
Retailer 11
-
$831 SGD
$650 USD
View
B
Retailer 12
-
$831 SGD
$650 USD
View
B
Retailer 13
-
$869 SGD
£535 GBP
View
B
Retailer 14
-
$869 SGD
$680 USD
View
B
Retailer 15
-
$878 SGD
£541 GBP
View
B
Retailer 16
-
$889 SGD
$695 USD
View
B
Retailer 17
-
$972 SGD
$760 USD
View
B
Retailer 18
-
$973 SGD
€725 EUR
View
B
Retailer 19
-
$1,002 SGD
$784 USD
View
Retailer 20
-
$1,083 SGD
A$1,303 AUD
View
Price last confirmed 29 days ago
B
Retailer 21
-
$1,110 SGD
ZAR 14,021 ZAR
View
B
Retailer 22
-
$1,361 SGD
A$1,638 AUD
View
B
Retailer 23
-
$1,664 SGD
£1,025 GBP
View
Retailer 24
-
$2,259 SGD
$1,767 USD
View
Price last confirmed 38 days ago
Retailer 25
-
$2,259 SGD
$1,767 USD
View
Price last confirmed 15 days ago
Most Expensive
C
NZ Jewellers
1f09834f-6cc1-4e71-81e7-a4634a0af73d · Oct 30
$2,259 SGD
$1,767 USD
View
25 more retailers have this diamond
Prices start from $665 SGDSave up to $1,594 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.

B+
0.50ct Round
$665 SGD