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Round|Natural|GIA

0.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6482247427

Certificate GIA 6482247427

Diamond specifications and retailer prices

From $399 SGD
As of November 6, 2026
Save $1,706 SGD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,105 SGD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct 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 6482247427. Listed at 10 retailers as of November 4, 2026, with prices from $399 to $2,105, a $1,706 spread on the same certified stone. NZ Jewellers lists it at $2,105. 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

0.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6482247427
Dimensions5.10 × 5.13 × 3.19 mm
L/W Ratio1.01
Star length50%
Top View
5.10 mm5.13 mm0.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6482247427
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: $2,105 SGD|Low: $399 SGD|High: $2,105 SGD|Avg: $837 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$399 SGD
Retailer 6$533 SGD
Retailer 9$549 SGD
Retailer 7$591 SGD
Retailer 8$591 SGD
Retailer 10$634 SGD
Retailer 3$671 SGD
Retailer 4$881 SGD
Retailer 5$1,266 SGD
NZ Jewellers$2,105 SGD

39 data points across 10 retailers

10 retailers$399 SGD to $2,105 SGD

A
Cheapest Retailer
-
$399 SGD
A
Retailer 2
-
$533 SGD
View
A
Retailer 3
-
$549 SGD
View
Retailer 4
-
$591 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$591 SGD
View
B+
Retailer 6
-
$634 SGD
View
B+
Retailer 7
-
$671 SGD
View
B+
Retailer 8
-
$881 SGD
View
B
Retailer 9
-
$1,266 SGD
View
Most Expensive
C
NZ Jewellers
e864780e-869e-4f09-b5b9-8bd65a40d5b6 · Nov 4
$2,105 SGD
$1,648 USD
View
9 more retailers have this diamond
Prices start from $399 SGDSave up to $1,706 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
0.51ct Round
$399 SGD