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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 $1,233 USD
As of November 4, 2026
Save $2,011 USD (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,244 USD 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 $1,233 to $3,244, a $2,011 spread on the same certified stone. NZ Jewellers lists it at $3,244. 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
Color
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: $1,701 USD|Low: $1,233 USD|High: $1,932 USD|Avg: $1,573 USD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4$1,233 USD
Retailer 2$1,414 USD
Retailer 3$1,582 USD
Retailer 1$1,701 USD
Retailer 5$1,932 USD

20 data points across 5 retailers

9 retailers$1,233 USD to $3,244 USD

B+
Cheapest Retailer
-
$1,233 USD
B+
Retailer 2
-
$1,330 USD
View
Retailer 3
-
$1,330 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,391 USD
View
B+
Retailer 5
-
$1,414 USD
View
B+
Retailer 6
-
$1,534 USD
View
B
Retailer 7
-
$1,701 USD
View
B
Retailer 8
-
$1,932 USD
View
Most Expensive
C
NZ Jewellers
0ea78399-7f2c-40fd-8ce5-8b3d422b4430 · Nov 5
$3,244 USD
View
8 more retailers have this diamond
Prices start from $1,233 USDSave up to $2,011 USD

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
$1,233 USD