Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2507458479

Certificate GIA 2507458479

Diamond specifications and retailer prices

From $5,765 NZD
As of November 6, 2026
Save $7,261 NZD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $13,026 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507458479. Listed at 18 retailers as of November 5, 2026, with prices from $5,765 to $13,026, a $7,261 spread on the same certified stone. NZ Jewellers lists it at $13,026. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2507458479
Dimensions6.96 × 6.92 × 4.33 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.96 mm6.92 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507458479
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.6%

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: $13,026 NZD|Low: $5,417 NZD|High: $13,026 NZD|Avg: $7,769 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
November 6, 2026
Retailer 3$5,765 NZD
Retailer 12$5,843 NZD
Retailer 11$6,012 NZD
Retailer 4$6,252 NZD
Retailer 13$6,770 NZD
Retailer 5$6,774 NZD
Retailer 6$6,774 NZD
Retailer 2$6,967 NZD
Retailer 9$7,531 NZD
Retailer 7$7,741 NZD
Retailer 8$7,908 NZD
Retailer 14$8,460 NZD
Retailer 10$12,470 NZD
NZ Jewellers$13,026 NZD

43 data points across 14 retailers

18 retailers$5,765 NZD to $13,026 NZD

A
Cheapest Retailer
-
$5,765 NZD
A
Retailer 2
-
$5,843 NZD
View
A
Retailer 3
-
$6,012 NZD
View
A
Retailer 4
-
$6,211 NZD
View
A
Retailer 5
-
$6,252 NZD
View
Final sale: no returns
B+
Retailer 6
-
$6,770 NZD
View
Retailer 7
-
$6,774 NZD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$6,774 NZD
View
B+
Retailer 9
-
$6,967 NZD
View
B+
Retailer 10
-
$7,531 NZD
View
B+
Retailer 11
-
$7,576 NZD
View
B+
Retailer 12
-
$7,576 NZD
View
B+
Retailer 13
-
$7,741 NZD
View
B+
Retailer 14
-
$7,829 NZD
View
B+
Retailer 15
-
$7,908 NZD
View
Retailer 16
-
$8,460 NZD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$12,470 NZD
View
Most Expensive
B
NZ Jewellers
58c1d35b-c7d0-4655-956d-9e93b4bf05cb · Nov 5
$13,026 NZD
$7,221 USD
View
17 more retailers have this diamond
Prices start from $5,765 NZDSave up to $7,261 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
$5,765 NZD