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Round|Natural|GIA

1.30ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2554743014

Certificate GIA 2554743014

Diamond specifications and retailer prices

From $7,209 AUD
As of November 6, 2026
Save $9,216 AUD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $16,424 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554743014. Listed at 10 retailers as of November 5, 2026, with prices from $7,209 to $16,424, a $9,216 spread on the same certified stone. NZ Jewellers lists it at $16,424. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554743014
Dimensions6.91 × 6.96 × 4.32 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather, Indented Natural
Top View
6.91 mm6.96 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554743014
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.2%

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: $16,424 AUD|Low: $7,209 AUD|High: $17,120 AUD|Avg: $10,672 AUD|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$7,209 AUD
Retailer 4$8,085 AUD
Retailer 9$8,405 AUD
Retailer 7$8,497 AUD
Retailer 6$9,820 AUD
Retailer 2$9,901 AUD
Retailer 5$10,376 AUD
Retailer 3$14,427 AUD
NZ Jewellers$16,424 AUD

43 data points across 9 retailers

10 retailers$7,209 AUD to $16,424 AUD

A
Cheapest Retailer
-
$7,209 AUD
B+
Retailer 2
-
$8,085 AUD
View
Retailer 3
-
$8,405 AUD
View
Price last confirmed 22 days ago
B+
Retailer 4
-
$8,497 AUD
View
B+
Retailer 5
-
$9,703 AUD
View
B+
Retailer 6
-
$9,820 AUD
View
B+
Retailer 7
-
$9,901 AUD
View
B+
Retailer 8
-
$10,376 AUD
View
B
Retailer 9
-
$14,427 AUD
View
Most Expensive
B
NZ Jewellers
21da68a6-8e4a-4146-8fdd-64fd4e0fcf60 · Nov 5
$16,424 AUD
$11,285 USD
View
9 more retailers have this diamond
Prices start from $7,209 AUDSave up to $9,216 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
$7,209 AUD