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Round|Natural|GIA

1.30ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6555290226

Certificate GIA 6555290226

Diamond specifications and retailer prices

From $2,047 AUD
As of November 6, 2026
Save $4,623 AUD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,670 AUD 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 L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555290226. Listed at 14 retailers as of November 5, 2026, with prices from $2,047 to $6,670, a $4,623 spread on the same certified stone. NZ Jewellers lists it at $6,670. 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
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555290226
Dimensions6.94 × 6.99 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.94 mm6.99 mm1.30 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555290226
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 6
Current: $6,670 AUD|Low: $2,047 AUD|High: $6,928 AUD|Avg: $3,217 AUD|-3.7%
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
November 5, 2026
Retailer 4$2,047 AUD
Retailer 7$2,066 AUD
Retailer 9$2,494 AUD
Retailer 10$2,661 AUD
Retailer 14$2,734 AUD
Retailer 6$2,804 AUD
Retailer 11$2,861 AUD
Retailer 8$2,980 AUD
Retailer 3$3,003 AUD
Retailer 5$3,080 AUD
Retailer 12$3,156 AUD
Retailer 2$3,506 AUD
Retailer 13$3,958 AUD
NZ Jewellers$6,670 AUD

31 data points across 14 retailers

14 retailers$2,047 AUD to $6,670 AUD

A
Cheapest Retailer
-
$2,047 AUD
A
Retailer 2
-
$2,066 AUD
View
A
Retailer 3
-
$2,494 AUD
View
A
Retailer 4
-
$2,661 AUD
View
A
Retailer 5
-
$2,734 AUD
View
A
Retailer 6
-
$2,804 AUD
View
B+
Retailer 7
-
$2,861 AUD
View
B+
Retailer 8
-
$2,980 AUD
View
B+
Retailer 9
-
$3,003 AUD
View
B+
Retailer 10
-
$3,080 AUD
View
B+
Retailer 11
-
$3,156 AUD
View
B+
Retailer 12
-
$3,506 AUD
View
B+
Retailer 13
-
$3,958 AUD
View
Most Expensive
B
NZ Jewellers
8dc4c868-ae52-4f66-9208-630c9148b8d2 · Nov 5
$6,670 AUD
$4,669 USD
View
13 more retailers have this diamond
Prices start from $2,047 AUDSave up to $4,623 AUD

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
$2,047 AUD