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1.30ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6412546405

Certificate GIA 6412546405

Diamond specifications and retailer prices

From $4,479 NZD
As of November 6, 2026
Save $8,774 NZD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,253 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 6412546405. Listed at 12 retailers as of November 5, 2026, with prices from $4,479 to $13,253, a $8,774 spread on the same certified stone. Diamond Quarter lists it at $13,253. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6412546405
Dimensions6.97 × 6.91 × 4.37 mm
L/W Ratio1.01
Top View
6.97 mm6.91 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6412546405
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 63.0%

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: $5,509 NZD|Low: $4,432 NZD|High: $10,151 NZD|Avg: $6,122 NZD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$4,479 NZD
Retailer 9$4,843 NZD
Retailer 10$5,332 NZD
Retailer 11$5,482 NZD
Retailer 1$5,509 NZD
Retailer 3$6,061 NZD
Retailer 5$6,140 NZD
Retailer 4$6,232 NZD
Retailer 2$6,265 NZD
Retailer 6$6,987 NZD
Retailer 7$10,044 NZD

32 data points across 11 retailers

12 retailers$4,479 NZD to $13,253 NZD

A
Cheapest Retailer
-
$4,479 NZD
A
Retailer 2
-
$4,843 NZD
View
A
Retailer 3
-
$5,332 NZD
View
A
Retailer 4
-
$5,482 NZD
View
A
Retailer 5
-
$5,509 NZD
View
A
Retailer 6
-
$6,061 NZD
View
A
Retailer 7
-
$6,140 NZD
View
A
Retailer 8
-
$6,232 NZD
View
A
Retailer 9
-
$6,265 NZD
View
A
Retailer 10
-
$6,987 NZD
View
B+
Retailer 11
-
$10,044 NZD
View
Most Expensive
B
Diamond Quarter
1.3SI2G6405A8E7N · Nov 5
$13,253 NZD
£5,785 GBP
View
11 more retailers have this diamond
Prices start from $4,479 NZDSave up to $8,774 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
$4,479 NZD