Round|Natural|GIA

1.30ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2546175239

Certificate GIA 2546175239

Diamond specifications and retailer prices

From $2,039 USD
As of November 5, 2026
Save $1,867 USD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,150 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2546175239. Listed at 10 retailers as of November 4, 2026, with a 92% 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
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2546175239
Dimensions6.94 × 6.89 × 4.32 mm
L/W Ratio1.01
Star length50%
Top View
6.94 mm6.89 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546175239
Side View
Table 59.0%Crown 36°GirdlePavilion 41°Culet: NoneDepth 62.4%

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 5
Current: $2,565 USD|Low: $2,039 USD|High: $4,447 USD|Avg: $3,127 USD|-14.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4$2,039 USD
Retailer 5$2,561 USD
Retailer 1$2,565 USD
Retailer 2$2,861 USD
Retailer 6$3,017 USD
Retailer 3$3,906 USD

38 data points across 6 retailers

10 retailers$2,039 USD to $3,906 USD

A
Cheapest Retailer
-
$2,039 USD
Retailer 2
-
$2,463 USD
View
Price last confirmed 29 days ago
Retailer 3
-
$2,463 USD
View
Price last confirmed 29 days ago
Retailer 4
-
$2,561 USD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$2,565 USD
View
Retailer 6
-
$2,577 USD
View
Price last confirmed 38 days ago
Retailer 7
-
$2,842 USD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$2,861 USD
View
B
Retailer 9
-
$3,906 USD
View
Most Expensive
NZ Jewellers
5673da98-dce3-4db0-af28-f02d05cbee02 · Sep 26
$5,150 USD
View
Price last confirmed 40 days ago
9 more retailers have this diamond
Prices start from $2,039 USDSave up to $1,867 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
$2,039 USD