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Round|Natural|GIA

0.50ct I SI1 Round Natural Diamond

ID • I/SI1 • GIA 029

Certificate GIA 029

Diamond specifications and retailer prices

From $499 SGD
As of November 6, 2026
Save $1,625 SGD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,124 SGD at NZ Jewellers · As of October 26, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 17 retailers as of November 4, 2026, with a 325% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.50
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 029
Dimensions5.13 × 5.14 × 3.14 mm
L/W Ratio1.00
Top View
5.13 mm5.14 mm0.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 029
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.9%

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 6
Current: $2,124 SGD|Low: $479 SGD|High: $2,162 SGD|Avg: $872 SGD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2$499 SGD
Retailer 12$572 SGD
Retailer 13$579 SGD
Retailer 3$623 SGD
Retailer 9$677 SGD
Retailer 6$711 SGD
Retailer 8$729 SGD
Retailer 7$782 SGD
Retailer 11$912 SGD
Retailer 10$940 SGD
Retailer 4$1,133 SGD
Retailer 5$1,192 SGD
NZ Jewellers$2,124 SGD

18 data points across 13 retailers

17 retailers$499 SGD to $2,124 SGD

A
Cheapest Retailer
-
$499 SGD
A
Retailer 2
-
$572 SGD
View
A
Retailer 3
-
$579 SGD
View
A
Retailer 4
-
$623 SGD
View
Final sale: no returns
A
Retailer 5
-
$677 SGD
View
Retailer 6
-
$677 SGD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$711 SGD
View
A
Retailer 8
-
$729 SGD
View
Retailer 9
-
$729 SGD
View
Price last confirmed 12 days ago
A
Retailer 10
-
$782 SGD
View
Retailer 11
-
$782 SGD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$912 SGD
View
Retailer 13
-
$940 SGD
View
Price last confirmed 11 days ago
Retailer 14
-
$1,133 SGD
View
Price last confirmed 16 days ago
B+
Retailer 15
-
$1,192 SGD
View
B
Retailer 16
-
$2,124 SGD
View
Most Expensive
NZ Jewellers
f485ba37-cdda-491a-a342-b36c0c4ed4cc · Oct 26
$2,124 SGD
$1,663 USD
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from $499 SGDSave up to $1,625 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
$499 SGD