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Round|Natural|GIA

1.30ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 6422450481

Certificate GIA 6422450481

Diamond specifications and retailer prices

From $5,956 NZD
As of November 6, 2026
Save $11,215 NZD (65%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $17,171 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6422450481. Listed at 21 retailers as of November 5, 2026, with prices from $5,956 to $17,171, a $11,215 spread on the same certified stone. Diamond Quarter lists it at $17,171. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6422450481
Dimensions7.00 × 6.93 × 4.25 mm
L/W Ratio1.01
Top View
7.00 mm6.93 mm1.30 ctH / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6422450481
Side View
Table 64.0%Crown 32.5°Girdle: STK-THKPavilion 41.6°Culet: NoneDepth 61.0%

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: $7,652 NZD|Low: $5,910 NZD|High: $13,933 NZD|Avg: $8,191 NZD|-7.0%
Retailer 1
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
Retailer 19
Retailer 20
November 6, 2026
Retailer 18$5,956 NZD
Retailer 9$6,139 NZD
Retailer 17$6,196 NZD
Retailer 8$6,687 NZD
Retailer 7$6,867 NZD
Retailer 2$6,873 NZD
Retailer 11$7,246 NZD
Retailer 20$7,246 NZD
Retailer 1$7,652 NZD
Retailer 12$8,051 NZD
Retailer 3$8,172 NZD
Retailer 19$8,172 NZD
Retailer 5$8,361 NZD
Retailer 4$8,442 NZD
Retailer 13$8,513 NZD
Retailer 15$8,982 NZD
Retailer 10$9,047 NZD
Retailer 14$9,757 NZD
Retailer 16$12,703 NZD
Retailer 6$13,933 NZD

33 data points across 20 retailers

21 retailers$5,956 NZD to $17,171 NZD

A
Cheapest Retailer
-
$5,956 NZD
A
Retailer 2
-
$6,139 NZD
View
A
Retailer 3
-
$6,196 NZD
View
B+
Retailer 4
-
$6,687 NZD
View
Final sale: no returns
B+
Retailer 5
-
$6,867 NZD
View
B+
Retailer 6
-
$6,873 NZD
View
B+
Retailer 7
-
$7,246 NZD
View
B+
Retailer 8
-
$7,246 NZD
View
B+
Retailer 9
-
$7,652 NZD
View
B+
Retailer 10
-
$8,051 NZD
View
B
Retailer 11
-
$8,141 NZD
View
B
Retailer 12
-
$8,172 NZD
View
B
Retailer 13
-
$8,172 NZD
View
B
Retailer 14
-
$8,361 NZD
View
B
Retailer 15
-
$8,442 NZD
View
Retailer 16
-
$8,513 NZD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$8,982 NZD
View
B
Retailer 18
-
$9,757 NZD
View
B
Retailer 19
-
$12,703 NZD
View
C
Retailer 20
-
$13,933 NZD
View
Most Expensive
C
Diamond Quarter
1.3SI1H6481D415N · Nov 5
$17,171 NZD
£7,495 GBP
View
20 more retailers have this diamond
Prices start from $5,956 NZDSave up to $11,215 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
$5,956 NZD