Round|Natural|GIA

1.30ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1246015499

Certificate GIA 1246015499

Diamond specifications and retailer prices

From $2,176 USD
As of November 2, 2026
Save $1,201 USD (36%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,474 USD at NZ Jewellers · As of September 26, 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 1246015499. Listed at 9 retailers as of November 2, 2026, with a 55% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1246015499
Dimensions6.93 × 6.96 × 4.32 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.93 mm6.96 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246015499
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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 2
Current: $3,377 USD|Low: $2,176 USD|High: $5,323 USD|Avg: $3,434 USD|-4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$2,176 USD
Retailer 3$2,692 USD
Retailer 5$3,066 USD
Retailer 7$3,229 USD
Retailer 1$3,377 USD
Retailer 6$4,588 USD
Retailer 4$5,025 USD

26 data points across 7 retailers

9 retailers$2,176 USD to $3,377 USD

A
Cheapest Retailer
-
$2,176 USD
A
Retailer 2
-
$2,692 USD
View
Retailer 3
-
$3,066 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$3,142 USD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$3,229 USD
View
A
Retailer 6
-
$3,377 USD
View
Retailer 7
-
$4,588 USD
View
Price last confirmed 16 days ago
Retailer 8
-
$5,025 USD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
a421a3f2-41b9-4ff9-9ed6-b40949d7198a · Sep 26
$5,474 USD
View
Price last confirmed 40 days ago
8 more retailers have this diamond
Prices start from $2,176 USDSave up to $1,201 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
$2,176 USD