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Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2507458479

Certificate GIA 2507458479

Diamond specifications and retailer prices

From $4,096 SGD
As of November 6, 2026
Save $5,158 SGD (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,254 SGD 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 $4,096 to $9,254, a $5,158 spread on the same certified stone. NZ Jewellers lists it at $9,254. 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 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: $9,254 SGD|Low: $3,849 SGD|High: $9,254 SGD|Avg: $5,520 SGD
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$4,096 SGD
Retailer 12$4,151 SGD
Retailer 11$4,272 SGD
Retailer 4$4,442 SGD
Retailer 13$4,810 SGD
Retailer 5$4,812 SGD
Retailer 6$4,812 SGD
Retailer 10$4,997 SGD
Retailer 8$5,351 SGD
Retailer 2$5,499 SGD
Retailer 7$5,619 SGD
Retailer 14$6,011 SGD
Retailer 9$8,860 SGD
NZ Jewellers$9,254 SGD

42 data points across 14 retailers

18 retailers$4,096 SGD to $9,254 SGD

A
Cheapest Retailer
-
$4,096 SGD
A
Retailer 2
-
$4,151 SGD
View
A
Retailer 3
-
$4,272 SGD
View
A
Retailer 4
-
$4,413 SGD
View
A
Retailer 5
-
$4,442 SGD
View
Final sale: no returns
B+
Retailer 6
-
$4,810 SGD
View
Retailer 7
-
$4,812 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,812 SGD
View
B+
Retailer 9
-
$4,997 SGD
View
B+
Retailer 10
-
$5,351 SGD
View
B+
Retailer 11
-
$5,383 SGD
View
B+
Retailer 12
-
$5,383 SGD
View
B+
Retailer 13
-
$5,499 SGD
View
B+
Retailer 14
-
$5,562 SGD
View
B+
Retailer 15
-
$5,619 SGD
View
Retailer 16
-
$6,011 SGD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$8,860 SGD
View
Most Expensive
B
NZ Jewellers
58c1d35b-c7d0-4655-956d-9e93b4bf05cb · Nov 5
$9,254 SGD
$7,221 USD
View
17 more retailers have this diamond
Prices start from $4,096 SGDSave up to $5,158 SGD

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
$4,096 SGD