Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6562025542

Certificate GIA 6562025542

Diamond specifications and retailer prices

From $3,366 USD
As of November 4, 2026
Save $1,662 USD (33%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,177 USD at NZ Jewellers · As of September 21, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562025542. Listed at 8 retailers as of November 4, 2026, with a 49% 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562025542
Dimensions6.88 × 6.93 × 4.34 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.88 mm6.93 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562025542
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 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 4
Current: $4,240 USD|Low: $3,353 USD|High: $7,496 USD|Avg: $4,694 USD|-2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$3,366 USD
Retailer 3$3,832 USD
Retailer 6$4,045 USD
Retailer 1$4,240 USD
Retailer 2$5,028 USD
Retailer 5$7,397 USD

20 data points across 6 retailers

8 retailers$3,366 USD to $5,028 USD

A
Cheapest Retailer
-
$3,366 USD
A
Retailer 2
-
$3,832 USD
View
A
Retailer 3
-
$4,045 USD
View
A
Retailer 4
-
$4,240 USD
View
Retailer 5
-
$4,694 USD
View
Price last confirmed 50 days ago
B+
Retailer 6
-
$5,028 USD
View
Retailer 7
-
$7,397 USD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
e7bd5ec2-8a92-4cee-b5ab-a9b2110a59a8 · Sep 21
$8,177 USD
View
Price last confirmed 45 days ago
7 more retailers have this diamond
Prices start from $3,366 USDSave up to $1,662 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
$3,366 USD