CaratHunter
Plans
Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6485801399

Certificate GIA 6485801399

Diamond specifications and retailer prices

From $6,149 NZD
As of November 1, 2026
Save $11,461 NZD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $17,611 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6485801399. Listed at 20 retailers as of November 1, 2026, with prices from $6,149 to $17,611, a $11,461 spread on the same certified stone. Diamond Quarter lists it at $17,611. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6485801399
Dimensions6.91 × 6.94 × 4.35 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.91 mm6.94 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6485801399
Side View
Table 56.0%Crown 35.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 1
Current: $7,178 NZD|Low: $6,149 NZD|High: $13,058 NZD|Avg: $8,315 NZD|-1.8%
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
November 6, 2026
Retailer 10$6,149 NZD
Retailer 11$6,305 NZD
Retailer 2$6,977 NZD
Retailer 3$7,059 NZD
Retailer 1$7,178 NZD
Retailer 4$7,329 NZD
Retailer 12$7,715 NZD
Retailer 8$7,777 NZD
Retailer 5$8,143 NZD
Retailer 6$8,273 NZD
Retailer 13$9,180 NZD
Retailer 7$11,267 NZD
Retailer 9$12,970 NZD

37 data points across 13 retailers

20 retailers$6,149 NZD to $17,611 NZD

A
Cheapest Retailer
-
$6,149 NZD
A
Retailer 2
-
$6,305 NZD
View
B+
Retailer 3
-
$6,977 NZD
View
B+
Retailer 4
-
$7,059 NZD
View
B+
Retailer 5
-
$7,178 NZD
View
B+
Retailer 6
-
$7,329 NZD
View
Retailer 7
-
$7,715 NZD
View
Price last confirmed 56 days ago
Retailer 8
-
$7,715 NZD
View
Price last confirmed 19 days ago
Retailer 9
-
$7,715 NZD
View
Price last confirmed 21 days ago
Retailer 10
-
$7,715 NZD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$7,777 NZD
View
B+
Retailer 12
-
$8,143 NZD
View
B+
Retailer 13
-
$8,273 NZD
View
Retailer 14
-
$8,902 NZD
View
Price last confirmed 60 days ago
Retailer 15
-
$8,902 NZD
View
Price last confirmed 19 days ago
B
Retailer 16
-
$11,267 NZD
View
Retailer 17
-
$12,970 NZD
View
Price last confirmed 8 days ago
Retailer 18
-
$13,441 NZD
View
Price last confirmed 57 days ago
Retailer 19
-
$13,441 NZD
View
Price last confirmed 20 days ago
Most Expensive
B
Diamond Quarter
1.3SI2H649971CEN · Nov 5
$17,611 NZD
£7,687 GBP
View
19 more retailers have this diamond
Prices start from $6,149 NZDSave up to $11,461 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
$6,149 NZD