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Round|Natural|GIA

0.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2557722338

Certificate GIA 2557722338

Diamond specifications and retailer prices

From $596 SGD
As of November 4, 2026
Save $2,088 SGD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,684 SGD at NZ Jewellers · As of November 4, 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 2557722338. Listed at 20 retailers as of November 4, 2026, with prices from $596 to $2,684, a $2,088 spread on the same certified stone. NZ Jewellers lists it at $2,684. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557722338
Dimensions5.06 × 5.09 × 3.18 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.06 mm5.09 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557722338
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.6%

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 4
Current: $1,101 SGD|Low: $596 SGD|High: $1,999 SGD|Avg: $1,198 SGD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7$596 SGD
Retailer 6$1,019 SGD
Retailer 2$1,039 SGD
Retailer 1$1,101 SGD
Retailer 3$1,137 SGD
Retailer 8$1,285 SGD
Retailer 4$1,320 SGD
Retailer 5$1,974 SGD

38 data points across 8 retailers

20 retailers$596 SGD to $2,684 SGD

A
Cheapest Retailer
-
$596 SGD
Final sale: no returns
A
Retailer 2
-
$775 SGD
View
A
Retailer 3
-
$800 SGD
View
A
Retailer 4
-
$807 SGD
View
Retailer 5
-
$834 SGD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$834 SGD
View
B+
Retailer 7
-
$895 SGD
View
B+
Retailer 8
-
$918 SGD
View
B+
Retailer 9
-
$947 SGD
View
B
Retailer 10
-
$1,019 SGD
View
B+
Retailer 11
-
$1,023 SGD
View
B+
Retailer 12
-
$1,039 SGD
View
B+
Retailer 13
-
$1,083 SGD
View
B+
Retailer 14
-
$1,101 SGD
View
B+
Retailer 15
-
$1,137 SGD
View
Retailer 16
-
$1,285 SGD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$1,320 SGD
View
B
Retailer 18
-
$1,974 SGD
View
B
Retailer 19
-
$2,456 SGD
View
Most Expensive
B
NZ Jewellers
c7a7a72c-47a7-450f-9917-1a85d6288ba6 · Nov 4
$2,684 SGD
$2,094 USD
View
19 more retailers have this diamond
Prices start from $596 SGDSave up to $2,088 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
$596 SGD