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1.30ct G SI2 Round Natural Diamond

EX • G/SI2 • IGI 750555450

Shape and cutting style on the report: Round brilliant

Certificate IGI 750555450

Diamond specifications and retailer prices

From $2,545 USD
As of November 1, 2026
Save $3,578 USD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,123 USD 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 750555450. Listed at 14 retailers as of November 1, 2026, with prices from $2,545 to $6,123, a $3,578 spread on the same certified stone. NZ Jewellers lists it at $6,123. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 750555450
Dimensions6.98 × 7.04 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.98 mm7.04 mm1.30 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 750555450
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

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 1
Current: $6,123 USD|Low: $2,478 USD|High: $6,123 USD|Avg: $3,397 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
Retailer 16
Retailer 17
November 6, 2026
Retailer 13$2,545 USD
Retailer 15$2,623 USD
Retailer 7$2,668 USD
Retailer 2$2,686 USD
Retailer 14$2,702 USD
Retailer 17$2,800 USD
Retailer 3$2,929 USD
Retailer 5$2,929 USD
Retailer 16$3,041 USD
Retailer 6$3,071 USD
Retailer 4$3,379 USD
Retailer 11$3,390 USD
Retailer 10$3,402 USD
Retailer 8$3,510 USD
Retailer 9$4,286 USD
Retailer 12$4,898 USD
NZ Jewellers$6,123 USD

39 data points across 17 retailers

14 retailers$2,545 USD to $6,123 USD

A
Cheapest Retailer
-
$2,545 USD
A
Retailer 2
-
$2,623 USD
View
A
Retailer 3
-
$2,686 USD
View
A
Retailer 4
-
$2,702 USD
View
Final sale: no returns
A
Retailer 5
-
$2,800 USD
View
A
Retailer 6
-
$2,929 USD
View
Retailer 7
-
$2,929 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$3,041 USD
View
A
Retailer 9
-
$3,071 USD
View
A
Retailer 10
-
$3,379 USD
View
A
Retailer 11
-
$3,390 USD
View
A
Retailer 12
-
$3,402 USD
View
B+
Retailer 13
-
$4,898 USD
View
Most Expensive
B
NZ Jewellers
b75a2182-7de8-495a-a9b5-de4bb379f4b0 · Nov 5
$6,123 USD
View
13 more retailers have this diamond
Prices start from $2,545 USDSave up to $3,578 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
$2,545 USD