Round|Natural|GIA

1.30ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2557511759

Certificate GIA 2557511759

Diamond specifications and retailer prices

From $4,582 NZD
As of November 2, 2026
Save $4,124 NZD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,657 NZD at NZ Jewellers · As of September 21, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557511759. Listed at 7 retailers as of November 2, 2026, with a 90% 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557511759
Dimensions6.94 × 6.97 × 4.35 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Needle
Top View
6.94 mm6.97 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557511759
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
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 2
Current: $8,706 NZD|Low: $4,582 NZD|High: $9,038 NZD|Avg: $6,271 NZD|-2.5%
Retailer 1
Retailer 2
Retailer 3
November 2, 2026
Retailer 2$4,582 NZD
Retailer 3$4,925 NZD
Retailer 1$8,706 NZD

29 data points across 3 retailers

7 retailers$4,582 NZD to $8,706 NZD

A
Cheapest Retailer
-
$4,582 NZD
Retailer 2
-
$4,925 NZD
View
Price last confirmed 31 days ago
Retailer 3
-
$5,022 NZD
View
Price last confirmed 29 days ago
Retailer 4
-
$5,098 NZD
View
Price last confirmed 44 days ago
Retailer 5
-
$5,242 NZD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$8,706 NZD
View
Most Expensive
NZ Jewellers
924f90dd-6eee-4f93-a134-8cc34929c8a4 · Sep 21
$10,657 NZD
$5,908 USD
View
Price last confirmed 46 days ago
6 more retailers have this diamond
Prices start from $4,582 NZDSave up to $4,124 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
$4,582 NZD