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Round|Natural|GIA

1.30ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7451297901

Certificate GIA 7451297901

Diamond specifications and retailer prices

From $7,502 NZD
As of November 4, 2026
Save $11,236 NZD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,738 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7451297901. Listed at 14 retailers as of November 4, 2026, with prices from $7,502 to $18,738, a $11,236 spread on the same certified stone. Diamond Quarter lists it at $18,738. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7451297901
Dimensions7.06 × 7.01 × 4.28 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.06 mm7.01 mm1.30 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7451297901
Side View
Table 60.0%Crown 33°Girdle: ThickPavilion 41.4°Culet: NoneDepth 60.9%

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: Nov 4
Current: $9,323 NZD|Low: $6,615 NZD|High: $15,302 NZD|Avg: $9,616 NZD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4$7,585 NZD
Retailer 6$7,630 NZD
Retailer 5$7,939 NZD
Retailer 9$8,006 NZD
Retailer 3$9,115 NZD
Retailer 1$9,323 NZD
Retailer 7$10,477 NZD
Retailer 8$11,296 NZD
Retailer 2$15,079 NZD

38 data points across 9 retailers

14 retailers$7,502 NZD to $18,738 NZD

A
Cheapest Retailer
-
$7,502 NZD
A
Retailer 2
-
$7,585 NZD
View
A
Retailer 3
-
$7,630 NZD
View
A
Retailer 4
-
$7,939 NZD
View
Final sale: no returns
A
Retailer 5
-
$8,006 NZD
View
A
Retailer 6
-
$9,115 NZD
View
A
Retailer 7
-
$9,323 NZD
View
B+
Retailer 8
-
$9,651 NZD
View
B+
Retailer 9
-
$9,651 NZD
View
B+
Retailer 10
-
$9,976 NZD
View
Retailer 11
-
$10,477 NZD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$15,079 NZD
View
Retailer 13
-
$15,878 NZD
View
Price last confirmed 20 days ago
Most Expensive
B
Diamond Quarter
1.3SI2D7401BFFEN · Nov 5
$18,738 NZD
£8,179 GBP
View
13 more retailers have this diamond
Prices start from $7,502 NZDSave up to $11,236 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
$7,502 NZD