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Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1

Diamond specifications and retailer prices

From $8,279 NZD
$4,666 USD
As of November 2, 2026
Save $9,539 NZD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,818 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 14 retailers as of October 30, 2026, with prices from $8,279 to $17,818, a $9,539 spread on the same certified stone. NZ Jewellers lists it at $17,818. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions6.95 × 7.00 × 4.33 mm
L/W Ratio1.01
Top View
6.95 mm7.00 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $17,818 NZD|Low: $8,165 NZD|High: $17,818 NZD|Avg: $10,881 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 2, 2026
Retailer 15$8,279 NZD
Retailer 14$8,499 NZD
Retailer 12$8,909 NZD
Retailer 6$9,030 NZD
Retailer 10$9,650 NZD
Retailer 13$9,650 NZD
Retailer 2$10,249 NZD
Retailer 5$10,438 NZD
Retailer 11$10,475 NZD
Retailer 7$10,497 NZD
Retailer 4$11,027 NZD
Retailer 3$11,136 NZD
Retailer 8$11,325 NZD
Retailer 9$15,778 NZD
NZ Jewellers$17,818 NZD

25 data points across 15 retailers

14 retailers$8,279 NZD to $17,818 NZD

B+
Cheapest Retailer
-
$8,279 NZD
$4,666 USD
B+
Retailer 2
-
$8,499 NZD
$4,790 USD
View
B+
Retailer 3
-
$8,909 NZD
$5,021 USD
View
Final sale: no returns
B+
Retailer 4
-
$9,030 NZD
CA$7,069 CAD
View
B+
Retailer 5
-
$9,650 NZD
$5,439 USD
View
B+
Retailer 6
-
$9,650 NZD
$5,439 USD
View
B
Retailer 7
-
$10,249 NZD
£4,548 GBP
View
B
Retailer 8
-
$10,438 NZD
$5,883 USD
View
B+
Retailer 9
-
$10,497 NZD
$5,916 USD
View
B
Retailer 10
-
$11,027 NZD
$6,215 USD
View
B
Retailer 11
-
$11,136 NZD
$6,276 USD
View
B
Retailer 12
-
$11,325 NZD
€6,079 EUR
View
B
Retailer 13
-
$15,778 NZD
£7,002 GBP
View
Most Expensive
B
NZ Jewellers
5923ccf6-3b50-4d7c-9bdf-297e8ecbfbee · Oct 30
$17,818 NZD
$10,042 USD
View
13 more retailers have this diamond
Prices start from $8,279 NZDSave up to $9,539 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.

B+
1.30ct Round
$8,279 NZD