Round|Natural|GIA

1.30ct G SI1 Round Natural Diamond

EX • G/SI1

Diamond specifications and retailer prices

From $4,666 USD
As of November 2, 2026
Save $5,376 USD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,042 USD at NZ Jewellers · As of November 2, 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. Listed at 14 retailers as of November 2, 2026, with prices from $4,666 to $10,042, a $5,376 spread on the same certified stone. NZ Jewellers lists it at $10,042. 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
OriginNatural
Grading LabGIA
Dimensions6.95 × 7.00 × 4.33 mm
L/W Ratio1.01
Top View
6.95 mm7.00 mm1.30 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $10,042 USD|Low: $4,602 USD|High: $10,042 USD|Avg: $6,133 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
Retailer 15
November 2, 2026
Retailer 15$4,666 USD
Retailer 14$4,790 USD
Retailer 12$5,021 USD
Retailer 6$5,089 USD
Retailer 10$5,439 USD
Retailer 13$5,439 USD
Retailer 2$5,777 USD
Retailer 5$5,883 USD
Retailer 11$5,904 USD
Retailer 7$5,916 USD
Retailer 4$6,215 USD
Retailer 3$6,276 USD
Retailer 8$6,383 USD
Retailer 9$8,893 USD
NZ Jewellers$10,042 USD

25 data points across 15 retailers

14 retailers$4,666 USD to $10,042 USD

B+
Cheapest Retailer
-
$4,666 USD
B+
Retailer 2
-
$4,790 USD
View
B+
Retailer 3
-
$5,021 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,089 USD
CA$7,069 CAD
View
B+
Retailer 5
-
$5,439 USD
View
B+
Retailer 6
-
$5,439 USD
View
B
Retailer 7
-
$5,777 USD
£4,548 GBP
View
B
Retailer 8
-
$5,883 USD
View
B+
Retailer 9
-
$5,916 USD
View
B
Retailer 10
-
$6,215 USD
View
B
Retailer 11
-
$6,276 USD
View
B
Retailer 12
-
$6,383 USD
€6,079 EUR
View
B
Retailer 13
-
$8,893 USD
£7,002 GBP
View
Most Expensive
B
NZ Jewellers
5923ccf6-3b50-4d7c-9bdf-297e8ecbfbee · Nov 2
$10,042 USD
View
13 more retailers have this diamond
Prices start from $4,666 USDSave up to $5,376 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.

B+
1.30ct Round
$4,666 USD