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Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2231475190

Certificate GIA 2231475190

Diamond specifications and retailer prices

From $540 SGD
As of November 4, 2026
Save $1,544 SGD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,085 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2231475190. Listed at 14 retailers as of November 4, 2026, with prices from $540 to $2,085, a $1,544 spread on the same certified stone. NZ Jewellers lists it at $2,085. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2231475190
Dimensions5.08 × 5.06 × 3.15 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Inscription(s): GIA 2231475190
Top View
5.08 mm5.06 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231475190
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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 4
Current: $2,085 SGD|Low: $613 SGD|High: $2,085 SGD|Avg: $1,015 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$613 SGD
Retailer 7$649 SGD
Retailer 9$733 SGD
Retailer 8$738 SGD
Retailer 2$820 SGD
Retailer 4$892 SGD
Retailer 3$899 SGD
Retailer 6$1,533 SGD
NZ Jewellers$2,085 SGD

44 data points across 9 retailers

14 retailers$540 SGD to $2,085 SGD

A
Cheapest Retailer
-
$540 SGD
A
Retailer 2
-
$602 SGD
View
A
Retailer 3
-
$613 SGD
View
B+
Retailer 4
-
$627 SGD
View
Retailer 5
-
$649 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$649 SGD
View
B+
Retailer 7
-
$695 SGD
View
B+
Retailer 8
-
$733 SGD
View
B+
Retailer 9
-
$784 SGD
View
B+
Retailer 10
-
$820 SGD
View
B
Retailer 11
-
$892 SGD
View
B
Retailer 12
-
$899 SGD
View
B
Retailer 13
-
$1,533 SGD
View
Most Expensive
C
NZ Jewellers
5d9f9c32-6160-4e3e-9dce-60209f351591 · Nov 4
$2,085 SGD
$1,632 USD
View
13 more retailers have this diamond
Prices start from $540 SGDSave up to $1,544 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
$540 SGD