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Round|Natural|GIA

0.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6422948574

Certificate GIA 6422948574

Diamond specifications and retailer prices

From $590 SGD
As of November 6, 2026
Save $2,012 SGD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,602 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 6422948574. Listed at 22 retailers as of November 4, 2026, with prices from $590 to $2,602, a $2,012 spread on the same certified stone. NZ Jewellers lists it at $2,602. 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 angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422948574
Dimensions5.13 × 5.10 × 3.11 mm
L/W Ratio1.01
Top View
5.13 mm5.10 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422948574
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: 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: $590 SGD|Low: $590 SGD|High: $1,938 SGD|Avg: $1,084 SGD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$590 SGD
Retailer 3$764 SGD
Retailer 9$820 SGD
Retailer 5$847 SGD
Retailer 6$1,006 SGD
Retailer 11$1,015 SGD
Retailer 4$1,066 SGD
Retailer 2$1,070 SGD
Retailer 7$1,073 SGD
Retailer 8$1,280 SGD
Retailer 10$1,915 SGD

28 data points across 11 retailers

22 retailers$590 SGD to $2,602 SGD

A
Cheapest Retailer
-
$590 SGD
A
Retailer 2
-
$688 SGD
View
A
Retailer 3
-
$764 SGD
View
Final sale: no returns
A
Retailer 4
-
$784 SGD
View
B+
Retailer 5
-
$820 SGD
View
B+
Retailer 6
-
$829 SGD
View
B+
Retailer 7
-
$847 SGD
View
B+
Retailer 8
-
$893 SGD
View
B+
Retailer 9
-
$957 SGD
View
B+
Retailer 10
-
$959 SGD
View
B+
Retailer 11
-
$998 SGD
View
B+
Retailer 12
-
$1,006 SGD
View
B+
Retailer 13
-
$1,015 SGD
View
B+
Retailer 14
-
$1,066 SGD
View
B
Retailer 15
-
$1,070 SGD
View
B+
Retailer 16
-
$1,073 SGD
View
B
Retailer 17
-
$1,142 SGD
View
Retailer 18
-
$1,247 SGD
View
Price last confirmed 32 days ago
B+
Retailer 19
-
$1,280 SGD
View
B
Retailer 20
-
$1,288 SGD
View
B
Retailer 21
-
$1,915 SGD
View
Most Expensive
B
NZ Jewellers
b6c2ede9-d08b-4312-aa26-450d9b06516b · Nov 4
$2,602 SGD
$2,030 USD
View
21 more retailers have this diamond
Prices start from $590 SGDSave up to $2,012 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
$590 SGD