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Round|Natural|GIA

1.30ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 6431543544

Certificate GIA 6431543544

Diamond specifications and retailer prices

From $4,649 NZD
As of October 31, 2026
Save $9,220 NZD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $13,869 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 very-good cut grade and certified by GIA 6431543544. Listed at 18 retailers as of October 31, 2026, with prices from $4,649 to $13,869, a $9,220 spread on the same certified stone. Diamond Quarter lists it at $13,869. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.30
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6431543544
Dimensions6.99 × 6.91 × 4.30 mm
L/W Ratio1.01
Top View
6.99 mm6.91 mm1.30 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6431543544
Side View
Table 54.0%Crown 34.5°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 61.9%

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: Oct 31
Current: $5,866 NZD|Low: $4,636 NZD|High: $10,811 NZD|Avg: $6,386 NZD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$4,649 NZD
Retailer 7$4,687 NZD
Retailer 8$5,736 NZD
Retailer 1$5,866 NZD
Retailer 9$5,902 NZD
Retailer 2$6,530 NZD
Retailer 3$6,579 NZD
Retailer 5$6,786 NZD
Retailer 4$10,668 NZD

32 data points across 9 retailers

18 retailers$4,649 NZD to $13,869 NZD

A
Cheapest Retailer
-
$4,649 NZD
A
Retailer 2
-
$4,687 NZD
View
A
Retailer 3
-
$5,511 NZD
View
A
Retailer 4
-
$5,736 NZD
View
A
Retailer 5
-
$5,866 NZD
View
B+
Retailer 6
-
$5,902 NZD
View
Final sale: no returns
Retailer 7
-
$6,056 NZD
View
Price last confirmed 109 days ago
B+
Retailer 8
-
$6,397 NZD
View
B+
Retailer 9
-
$6,530 NZD
View
A
Retailer 10
-
$6,579 NZD
View
B+
Retailer 11
-
$6,642 NZD
View
B+
Retailer 12
-
$6,656 NZD
View
A
Retailer 13
-
$6,786 NZD
View
B+
Retailer 14
-
$7,380 NZD
View
B
Retailer 15
-
$9,261 NZD
View
B
Retailer 16
-
$10,668 NZD
View
B
Retailer 17
-
$11,144 NZD
View
Most Expensive
B
Diamond Quarter
1.3SI2G64442BA8N · Nov 5
$13,869 NZD
£6,054 GBP
View
17 more retailers have this diamond
Prices start from $4,649 NZDSave up to $9,220 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
$4,649 NZD