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Round|Natural|GIA

1.30ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2557290174

Certificate GIA 2557290174

Diamond specifications and retailer prices

From $4,871 NZD
As of November 1, 2026
Save $5,920 NZD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,440 NZD at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557290174. Listed at 17 retailers as of November 1, 2026, with a 122% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557290174
Dimensions6.97 × 6.93 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.97 mm6.93 mm1.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557290174
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°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 1
Current: $11,440 NZD|Low: $4,871 NZD|High: $11,440 NZD|Avg: $7,078 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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 4$4,871 NZD
Retailer 8$4,981 NZD
Retailer 18$5,529 NZD
Retailer 3$5,785 NZD
Retailer 11$5,866 NZD
Retailer 16$5,956 NZD
Retailer 7$6,195 NZD
Retailer 15$6,454 NZD
Retailer 2$6,701 NZD
Retailer 12$6,712 NZD
Retailer 10$6,884 NZD
Retailer 9$7,062 NZD
Retailer 13$7,152 NZD
Retailer 5$7,446 NZD
Retailer 17$7,479 NZD
Retailer 6$9,575 NZD
Retailer 14$10,791 NZD
NZ Jewellers$11,440 NZD

35 data points across 18 retailers

17 retailers$4,871 NZD to $10,791 NZD

A
Cheapest Retailer
-
$4,871 NZD
Retailer 2
-
$4,981 NZD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$5,529 NZD
View
A
Retailer 4
-
$5,785 NZD
View
A
Retailer 5
-
$5,866 NZD
View
A
Retailer 6
-
$6,454 NZD
View
A
Retailer 7
-
$6,701 NZD
View
A
Retailer 8
-
$6,712 NZD
View
A
Retailer 9
-
$6,797 NZD
View
Retailer 10
-
$6,884 NZD
View
Price last confirmed 11 days ago
Retailer 11
-
$7,062 NZD
View
Price last confirmed 18 days ago
A
Retailer 12
-
$7,152 NZD
View
A
Retailer 13
-
$7,446 NZD
View
A
Retailer 14
-
$7,479 NZD
View
Retailer 15
-
$9,575 NZD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
$10,791 NZD
View
Most Expensive
NZ Jewellers
71d4321b-7637-42c8-8781-0a3c146a2eb5 · Oct 30
$11,440 NZD
$6,342 USD
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from $4,871 NZDSave up to $5,920 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
$4,871 NZD