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Round|Natural|IGI

1.00ct K I1 Round Natural Diamond

EX • K/I1 • IGI 524252181

Shape and cutting style on the report: Round brilliant

Certificate IGI 524252181

Diamond specifications and retailer prices

From $1,575 SGD
As of November 4, 2026
Save $2,569 SGD (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,144 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by IGI 524252181. Listed at 9 retailers as of November 4, 2026, with prices from $1,575 to $4,144, a $2,569 spread on the same certified stone. NZ Jewellers lists it at $4,144. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 524252181
Dimensions6.32 × 6.35 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.32 mm6.35 mm1.00 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 524252181
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.0%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $2,173 SGD|Low: $1,575 SGD|High: $2,468 SGD|Avg: $2,009 SGD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4$1,575 SGD
Retailer 2$1,806 SGD
Retailer 3$2,021 SGD
Retailer 1$2,173 SGD
Retailer 5$2,468 SGD

20 data points across 5 retailers

9 retailers$1,575 SGD to $4,144 SGD

B+
Cheapest Retailer
-
$1,575 SGD
B+
Retailer 2
-
$1,699 SGD
View
Retailer 3
-
$1,699 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,777 SGD
View
B+
Retailer 5
-
$1,806 SGD
View
B+
Retailer 6
-
$1,959 SGD
View
B
Retailer 7
-
$2,173 SGD
View
B
Retailer 8
-
$2,468 SGD
View
Most Expensive
C
NZ Jewellers
0ea78399-7f2c-40fd-8ce5-8b3d422b4430 · Nov 5
$4,144 SGD
$3,244 USD
View
8 more retailers have this diamond
Prices start from $1,575 SGDSave up to $2,569 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+
1.00ct Round
$1,575 SGD