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0.51ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 831666593

Shape and cutting style on the report: Round brilliant

Certificate IGI 831666593

Diamond specifications and retailer prices

From $510 SGD
As of November 5, 2026
Save $1,445 SGD (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,954 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 IGI 831666593. Listed at 15 retailers as of November 4, 2026, with prices from $510 to $1,954, a $1,445 spread on the same certified stone. NZ Jewellers lists it at $1,954. 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 angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 831666593
Dimensions5.13 × 5.16 × 3.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.13 mm5.16 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 831666593
Side View
Table 58.0%Crown 34.5°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.2%

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: $1,954 SGD|Low: $336 SGD|High: $1,954 SGD|Avg: $718 SGD
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
November 6, 2026
Retailer 7$336 SGD
Retailer 4$510 SGD
Retailer 12$524 SGD
Retailer 5$549 SGD
Retailer 6$549 SGD
Retailer 15$589 SGD
Retailer 2$639 SGD
Retailer 10$664 SGD
Retailer 8$677 SGD
Retailer 3$754 SGD
Retailer 13$779 SGD
Retailer 11$791 SGD
Retailer 9$917 SGD
Retailer 14$1,175 SGD
NZ Jewellers$1,954 SGD

26 data points across 15 retailers

15 retailers$510 SGD to $1,954 SGD

Retailer 1
-
$336 SGD
Price last confirmed 15 days ago
A
Retailer 2
-
$510 SGD
View
B+
Retailer 3
-
$524 SGD
View
Retailer 4
-
$549 SGD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$549 SGD
View
A
Retailer 6
-
$589 SGD
View
A
Retailer 7
-
$639 SGD
View
B+
Retailer 8
-
$664 SGD
View
A
Retailer 9
-
$677 SGD
View
B+
Retailer 10
-
$754 SGD
View
B+
Retailer 11
-
$779 SGD
View
B+
Retailer 12
-
$791 SGD
View
B
Retailer 13
-
$917 SGD
View
B
Retailer 14
-
$1,175 SGD
View
Most Expensive
B
NZ Jewellers
2fa79e66-87a0-4b32-8206-804d353d6a58 · Nov 4
$1,954 SGD
$1,530 USD
View
14 more retailers have this diamond
Prices start from $510 SGDSave up to $1,445 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
$510 SGD