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Round|Natural|GIA

0.50ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1425876033

Certificate GIA 1425876033

Diamond specifications and retailer prices

From $617 SGD
As of November 6, 2026
Save $1,443 SGD (70%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,635 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1425876033. Listed at 23 retailers as of November 6, 2026, with a 234% 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1425876033
Dimensions5.14 × 5.11 × 3.11 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Etch Channel, Cavity
Top View
5.14 mm5.11 mm0.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1425876033
Side View
Table 60.0%Crown 31.5°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $617 SGD|Low: $617 SGD|High: $1,959 SGD|Avg: $1,044 SGD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$617 SGD
Retailer 9$775 SGD
Retailer 6$830 SGD
Retailer 8$840 SGD
Retailer 2$992 SGD
Retailer 3$1,019 SGD
Retailer 5$1,030 SGD
Retailer 4$1,121 SGD
Retailer 7$1,939 SGD

34 data points across 9 retailers

23 retailers$617 SGD to $2,060 SGD

A
Cheapest Retailer
-
$617 SGD
A
Retailer 2
-
$775 SGD
View
Final sale: no returns
A
Retailer 3
-
$794 SGD
View
A
Retailer 4
-
$803 SGD
View
A
Retailer 5
-
$830 SGD
View
Retailer 6
-
$840 SGD
View
Price last confirmed 39 days ago
Retailer 7
-
$840 SGD
View
Price last confirmed 8 days ago
Retailer 8
-
$840 SGD
View
Price last confirmed 20 days ago
Retailer 9
-
$840 SGD
View
Price last confirmed 21 days ago
Retailer 10
-
$872 SGD
View
Price last confirmed 22 days ago
Retailer 11
-
$969 SGD
View
Price last confirmed 40 days ago
B+
Retailer 12
-
$969 SGD
View
B+
Retailer 13
-
$969 SGD
View
B+
Retailer 14
-
$992 SGD
View
B+
Retailer 15
-
$1,008 SGD
View
B+
Retailer 16
-
$1,019 SGD
View
B+
Retailer 17
-
$1,030 SGD
View
B+
Retailer 18
-
$1,121 SGD
View
B
Retailer 19
-
$1,939 SGD
View
B
Retailer 20
-
$2,060 SGD
View
Retailer 21
-
$2,635 SGD
View
Price last confirmed 43 days ago
Retailer 22
-
$2,635 SGD
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
3a51d64f-d5e4-44fb-8da0-0e9cd6c55249 · Oct 30
$2,635 SGD
$2,063 USD
View
Price last confirmed 7 days ago
22 more retailers have this diamond
Prices start from $617 SGDSave up to $1,443 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
$617 SGD