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1.30ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 723579389

Shape and cutting style on the report: Round brilliant

Certificate IGI 723579389

Diamond specifications and retailer prices

From $1,164 USD
As of November 5, 2026
Save $2,429 USD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,593 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 723579389. Listed at 13 retailers as of November 5, 2026, with prices from $1,164 to $3,593, a $2,429 spread on the same certified stone. NZ Jewellers lists it at $3,593. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 723579389
Dimensions7.01 × 6.95 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.01 mm6.95 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 723579389
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

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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: $3,593 USD|Low: $1,164 USD|High: $3,593 USD|Avg: $1,758 USD
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
November 6, 2026
Retailer 7$1,164 USD
Retailer 4$1,365 USD
Retailer 10$1,365 USD
Retailer 2$1,429 USD
Retailer 3$1,473 USD
Retailer 11$1,473 USD
Retailer 5$1,531 USD
Retailer 13$1,541 USD
Retailer 12$1,700 USD
Retailer 6$1,720 USD
Retailer 9$2,001 USD
Retailer 8$2,574 USD
NZ Jewellers$3,593 USD

41 data points across 13 retailers

13 retailers$1,164 USD to $3,593 USD

A
Cheapest Retailer
-
$1,164 USD
A
Retailer 2
-
$1,365 USD
View
A
Retailer 3
-
$1,365 USD
View
A
Retailer 4
-
$1,429 USD
View
Retailer 5
-
$1,473 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,473 USD
View
A
Retailer 7
-
$1,531 USD
View
A
Retailer 8
-
$1,541 USD
View
B+
Retailer 9
-
$1,700 USD
View
A
Retailer 10
-
$1,720 USD
View
A
Retailer 11
-
$2,001 USD
View
B+
Retailer 12
-
$2,574 USD
View
Most Expensive
B
NZ Jewellers
8466b8dc-a2a6-4b65-bbc3-0a714fdfbfd0 · Nov 5
$3,593 USD
View
12 more retailers have this diamond
Prices start from $1,164 USDSave up to $2,429 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.

A
1.30ct Round
$1,164 USD