Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2507458479

Certificate GIA 2507458479

Diamond specifications and retailer prices

From $3,196 USD
As of November 6, 2026
Save $4,025 USD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,221 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 2507458479. Listed at 18 retailers as of November 5, 2026, with prices from $3,196 to $7,221, a $4,025 spread on the same certified stone. NZ Jewellers lists it at $7,221. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2507458479
Dimensions6.96 × 6.92 × 4.33 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.96 mm6.92 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507458479
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,221 USD|Low: $3,003 USD|High: $7,221 USD|Avg: $4,307 USD
NZ Jewellers
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
November 5, 2026
Retailer 3$3,196 USD
Retailer 12$3,239 USD
Retailer 11$3,333 USD
Retailer 4$3,466 USD
Retailer 13$3,753 USD
Retailer 5$3,755 USD
Retailer 6$3,755 USD
Retailer 10$3,899 USD
Retailer 8$4,175 USD
Retailer 2$4,291 USD
Retailer 7$4,384 USD
Retailer 14$4,690 USD
Retailer 9$6,913 USD
NZ Jewellers$7,221 USD

42 data points across 14 retailers

18 retailers$3,196 USD to $7,221 USD

A
Cheapest Retailer
-
$3,196 USD
A
Retailer 2
-
$3,239 USD
View
A
Retailer 3
-
$3,333 USD
View
A
Retailer 4
-
$3,443 USD
View
A
Retailer 5
-
$3,466 USD
View
Final sale: no returns
B+
Retailer 6
-
$3,753 USD
View
Retailer 7
-
$3,755 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,755 USD
View
B+
Retailer 9
-
$3,899 USD
View
B+
Retailer 10
-
$4,175 USD
View
B+
Retailer 11
-
$4,200 USD
View
B+
Retailer 12
-
$4,200 USD
View
B+
Retailer 13
-
$4,291 USD
View
B+
Retailer 14
-
$4,340 USD
View
B+
Retailer 15
-
$4,384 USD
View
Retailer 16
-
$4,690 USD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$6,913 USD
View
Most Expensive
B
NZ Jewellers
58c1d35b-c7d0-4655-956d-9e93b4bf05cb · Nov 5
$7,221 USD
View
17 more retailers have this diamond
Prices start from $3,196 USDSave up to $4,025 USD

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
$3,196 USD