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1.55ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 550261561

Shape and cutting style on the report: Round brilliant

Certificate IGI 550261561

Diamond specifications and retailer prices

From $6,387 SGD
As of November 5, 2026
14 retailers carry this diamond
Most expensive: $10,386 SGD at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 550261561. Listed at 14 retailers as of November 5, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 550261561
Dimensions7.46 × 7.41 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.46 mm7.41 mm1.55 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 550261561
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $6,387 SGD|Low: $4,336 SGD|High: $9,507 SGD|Avg: $5,840 SGD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 8$4,336 SGD
Retailer 2$4,388 SGD
Retailer 4$4,458 SGD
Retailer 10$4,675 SGD
Retailer 11$4,884 SGD
Retailer 5$5,027 SGD
Retailer 12$5,071 SGD
Retailer 9$5,628 SGD
Retailer 7$5,694 SGD
Retailer 6$5,947 SGD
Retailer 1$6,387 SGD
Retailer 3$8,179 SGD

14 data points across 12 retailers

14 retailers

Retailer 1
-
$4,336 SGD
Price last confirmed 11 days ago
Retailer 2
-
$4,388 SGD
View
Price last confirmed 12 days ago
Retailer 3
-
$4,675 SGD
View
Price last confirmed 9 days ago
Retailer 4
-
$4,884 SGD
View
Price last confirmed 12 days ago
Retailer 5
-
$5,027 SGD
View
Price last confirmed 10 days ago
Retailer 6
-
$5,071 SGD
View
Price last confirmed 11 days ago
Retailer 7
-
$5,628 SGD
View
Price last confirmed 11 days ago
Retailer 8
-
$5,694 SGD
View
Price last confirmed 11 days ago
Retailer 9
-
$5,947 SGD
View
Price last confirmed 10 days ago
Retailer 10
-
$5,961 SGD
View
Price last confirmed 49 days ago
B+
Retailer 11
-
$6,387 SGD
View
Retailer 12
-
$6,878 SGD
View
Price last confirmed 45 days ago
Retailer 13
-
$8,179 SGD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
15aa9913-ea3b-483c-baf7-91e048515c4a · Sep 19
$10,386 SGD
$8,131 USD
View
Price last confirmed 47 days ago
13 more retailers have this diamond
Prices start from $6,387 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.

B+
1.55ct Round
$6,387 SGD