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0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6551872090

Certificate GIA 6551872090

Diamond specifications and retailer prices

From $420 SGD
As of November 5, 2026
Save $1,646 SGD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,067 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6551872090. Listed at 19 retailers as of November 4, 2026, with prices from $420 to $2,067, a $1,646 spread on the same certified stone. NZ Jewellers lists it at $2,067. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551872090
Dimensions5.10 × 5.08 × 3.20 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
5.10 mm5.08 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551872090
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.8%

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 5
Current: $2,067 SGD|Low: $420 SGD|High: $2,088 SGD|Avg: $762 SGD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 13$420 SGD
Retailer 8$498 SGD
Retailer 17$505 SGD
Retailer 7$510 SGD
Retailer 5$539 SGD
Retailer 9$581 SGD
Retailer 10$581 SGD
Retailer 19$622 SGD
Retailer 14$658 SGD
Retailer 2$674 SGD
Retailer 6$676 SGD
Retailer 12$697 SGD
Retailer 3$706 SGD
Retailer 4$750 SGD
Retailer 11$811 SGD
Retailer 15$835 SGD
Retailer 16$922 SGD
Retailer 18$1,244 SGD
NZ Jewellers$2,067 SGD

20 data points across 19 retailers

19 retailers$420 SGD to $2,067 SGD

A
Cheapest Retailer
-
$420 SGD
A
Retailer 2
-
$498 SGD
View
Final sale: no returns
A
Retailer 3
-
$505 SGD
View
A
Retailer 4
-
$510 SGD
View
A
Retailer 5
-
$539 SGD
View
Retailer 6
-
$581 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$581 SGD
View
A
Retailer 8
-
$622 SGD
View
A
Retailer 9
-
$658 SGD
View
A
Retailer 10
-
$674 SGD
View
A
Retailer 11
-
$676 SGD
View
A
Retailer 12
-
$697 SGD
View
A
Retailer 13
-
$706 SGD
View
A
Retailer 14
-
$750 SGD
View
B+
Retailer 15
-
$811 SGD
View
B+
Retailer 16
-
$835 SGD
View
B+
Retailer 17
-
$922 SGD
View
B
Retailer 18
-
$1,244 SGD
View
Most Expensive
B
NZ Jewellers
40e9093a-c60a-43a0-ac9e-4bf6456f55ad · Nov 4
$2,067 SGD
$1,618 USD
View
18 more retailers have this diamond
Prices start from $420 SGDSave up to $1,646 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
$420 SGD