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Round|Natural|GIA

1.30ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2566059521

Certificate GIA 2566059521

Diamond specifications and retailer prices

From $5,735 NZD
As of November 5, 2026
Save $7,373 NZD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $13,107 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566059521. Listed at 24 retailers as of November 5, 2026, with prices from $5,735 to $13,107, a $7,373 spread on the same certified stone. NZ Jewellers lists it at $13,107. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566059521
Dimensions6.92 × 6.94 × 4.34 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Pinpoint
Top View
6.92 mm6.94 mm1.30 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566059521
Side View
Table 59.0%Crown 34°Girdle: STK-STKPavilion 41.4°Culet: NoneDepth 62.5%

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 5
Current: $13,107 NZD|Low: $5,704 NZD|High: $13,107 NZD|Avg: $8,325 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 7, 2026
Retailer 3$5,735 NZD
Retailer 6$5,794 NZD
Retailer 21$6,047 NZD
Retailer 5$6,386 NZD
Retailer 16$6,619 NZD
Retailer 10$6,887 NZD
Retailer 7$7,152 NZD
Retailer 22$7,199 NZD
Retailer 15$7,315 NZD
Retailer 9$7,522 NZD
Retailer 11$7,522 NZD
Retailer 8$7,789 NZD
Retailer 18$7,885 NZD
Retailer 2$7,937 NZD
Retailer 12$7,968 NZD
Retailer 24$8,567 NZD
Retailer 13$8,603 NZD
Retailer 14$8,680 NZD
Retailer 17$9,106 NZD
Retailer 23$9,182 NZD
Retailer 19$11,431 NZD
Retailer 20$11,752 NZD
Retailer 4$12,546 NZD
NZ Jewellers$13,107 NZD

21 data points across 24 retailers

24 retailers$5,735 NZD to $13,107 NZD

A
Cheapest Retailer
-
$5,735 NZD
A
Retailer 2
-
$5,794 NZD
View
A
Retailer 3
-
$6,047 NZD
View
A
Retailer 4
-
$6,386 NZD
View
A
Retailer 5
-
$6,619 NZD
View
A
Retailer 6
-
$6,887 NZD
View
B+
Retailer 7
-
$7,152 NZD
View
B+
Retailer 8
-
$7,199 NZD
View
B+
Retailer 9
-
$7,315 NZD
View
B+
Retailer 10
-
$7,522 NZD
View
Retailer 11
-
$7,522 NZD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$7,789 NZD
View
B+
Retailer 13
-
$7,885 NZD
View
B+
Retailer 14
-
$7,937 NZD
View
B+
Retailer 15
-
$7,968 NZD
View
Retailer 16
-
$8,538 NZD
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$8,567 NZD
View
B+
Retailer 18
-
$8,603 NZD
View
B
Retailer 19
-
$8,680 NZD
View
B+
Retailer 20
-
$9,182 NZD
View
B
Retailer 21
-
$11,431 NZD
View
B
Retailer 22
-
$11,752 NZD
View
B
Retailer 23
-
$12,546 NZD
View
Most Expensive
B
NZ Jewellers
e1485e1c-57db-4148-8f5a-2c5d60bd4497 · Nov 5
$13,107 NZD
$7,266 USD
View
23 more retailers have this diamond
Prices start from $5,735 NZDSave up to $7,373 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
$5,735 NZD