Round|Natural|GIA

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7493732351

Shape and cutting style on the report: Round brilliant

Certificate GIA 7493732351

Diamond specifications and retailer prices

From $4,006 NZD
As of November 6, 2026
Save $7,187 NZD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,193 NZD 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7493732351. Listed at 14 retailers as of November 5, 2026, with prices from $4,006 to $11,193, a $7,187 spread on the same certified stone. NZ Jewellers lists it at $11,193. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7493732351
Dimensions7.04 × 7.00 × 4.28 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Feather, Twinning Wisp
Top View
7.04 mm7.00 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7493732351
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,193 NZD|Low: $3,962 NZD|High: $11,193 NZD|Avg: $5,922 NZD
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 11$4,006 NZD
Retailer 12$4,342 NZD
Retailer 14$4,556 NZD
Retailer 13$4,767 NZD
Retailer 4$4,849 NZD
Retailer 6$4,849 NZD
Retailer 3$5,036 NZD
Retailer 15$5,212 NZD
Retailer 5$5,596 NZD
Retailer 2$5,634 NZD
Retailer 10$5,687 NZD
Retailer 7$6,215 NZD
Retailer 8$6,534 NZD
Retailer 9$8,928 NZD
NZ Jewellers$11,193 NZD

43 data points across 15 retailers

14 retailers$4,006 NZD to $11,193 NZD

A
Cheapest Retailer
-
$4,006 NZD
A
Retailer 2
-
$4,342 NZD
View
B+
Retailer 3
-
$4,556 NZD
View
B+
Retailer 4
-
$4,767 NZD
View
B+
Retailer 5
-
$4,849 NZD
View
Retailer 6
-
$4,849 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$5,036 NZD
View
B+
Retailer 8
-
$5,596 NZD
View
B+
Retailer 9
-
$5,634 NZD
View
B+
Retailer 10
-
$5,687 NZD
View
Retailer 11
-
$6,215 NZD
View
Price last confirmed 14 days ago
B+
Retailer 12
-
$6,534 NZD
View
B
Retailer 13
-
$8,928 NZD
View
Most Expensive
B
NZ Jewellers
d9853eb9-a014-4d35-b548-87f36da0af22 · Nov 5
$11,193 NZD
$6,292 USD
View
13 more retailers have this diamond
Prices start from $4,006 NZDSave up to $7,187 NZD

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
$4,006 NZD