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Round|Natural|GIA

1.30ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6545554111

Certificate GIA 6545554111

Diamond specifications and retailer prices

From $4,620 AUD
As of November 5, 2026
Save $2,405 AUD (34%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,025 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545554111. Listed at 6 retailers as of November 5, 2026, with prices from $4,620 to $7,025, a $2,405 spread on the same certified stone. 77 Diamonds lists it at $7,025. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545554111
Dimensions6.93 × 6.97 × 4.33 mm
L/W Ratio1.01
Top View
6.93 mm6.97 mm1.30 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545554111
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.4%

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 5
Current: $7,025 AUD|Low: $4,594 AUD|High: $7,406 AUD|Avg: $5,839 AUD|-4.3%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$4,620 AUD
Retailer 5$4,735 AUD
Retailer 4$5,141 AUD
Retailer 6$6,293 AUD
Retailer 2$6,641 AUD
77 Diamonds$7,025 AUD

42 data points across 6 retailers

6 retailers$4,620 AUD to $7,025 AUD

A
Cheapest Retailer
-
$4,620 AUD
A
Retailer 2
-
$4,735 AUD
View
Retailer 3
-
$5,141 AUD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
$6,293 AUD
View
B+
Retailer 5
-
$6,641 AUD
View
Most Expensive
B+
77 Diamonds
RBMB58EQVQ2R · Nov 6
$7,025 AUD
£3,872 GBP
View
5 more retailers have this diamond
Prices start from $4,620 AUDSave up to $2,405 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
$4,620 AUD