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Round|Natural|GIA

1.30ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6555652660

Certificate GIA 6555652660

Diamond specifications and retailer prices

From $3,937 AUD
As of November 6, 2026
Save $4,180 AUD (51%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,833 AUD at NZ Jewellers · As of September 28, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555652660. Listed at 24 retailers as of November 6, 2026, with a 106% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555652660
Dimensions7.09 × 7.13 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.09 mm7.13 mm1.30 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555652660
Side View
Table 60.0%Crown 31.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.5%

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: $5,804 AUD|Low: $3,148 AUD|High: $8,117 AUD|Avg: $4,559 AUD|+33.6%
Retailer 1
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 6, 2026
Retailer 6$3,148 AUD
Retailer 2$3,334 AUD
Retailer 3$3,898 AUD
Retailer 5$3,937 AUD
Retailer 9$3,988 AUD
Retailer 4$4,225 AUD
Retailer 1$5,804 AUD
Retailer 10$5,909 AUD
Retailer 12$5,909 AUD
Retailer 11$6,113 AUD
Retailer 8$6,136 AUD
Retailer 7$6,589 AUD
Retailer 14$7,102 AUD
Retailer 13$8,117 AUD

32 data points across 14 retailers

24 retailers$3,937 AUD to $8,117 AUD

Retailer 1
-
$3,148 AUD
Price last confirmed 17 days ago
Retailer 2
-
$3,334 AUD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$3,937 AUD
View
A
Retailer 4
-
$3,988 AUD
View
Retailer 5
-
$4,225 AUD
View
Price last confirmed 56 days ago
Retailer 6
-
$4,225 AUD
View
Price last confirmed 39 days ago
Retailer 7
-
$4,225 AUD
View
Price last confirmed 17 days ago
Retailer 8
-
$4,225 AUD
View
Price last confirmed 21 days ago
Retailer 9
-
$4,293 AUD
View
Price last confirmed 16 days ago
Retailer 10
-
$4,387 AUD
View
Price last confirmed 38 days ago
Retailer 11
-
$4,423 AUD
View
Price last confirmed 16 days ago
Retailer 12
-
$4,432 AUD
View
Price last confirmed 19 days ago
Retailer 13
-
$4,874 AUD
View
Price last confirmed 60 days ago
Retailer 14
-
$4,874 AUD
View
Price last confirmed 38 days ago
B+
Retailer 15
-
$5,804 AUD
View
B+
Retailer 16
-
$5,909 AUD
View
B+
Retailer 17
-
$5,909 AUD
View
B+
Retailer 18
-
$6,113 AUD
View
B+
Retailer 19
-
$6,136 AUD
View
B+
Retailer 20
-
$6,589 AUD
View
Retailer 21
-
$7,102 AUD
View
Price last confirmed 20 days ago
B
Retailer 22
-
$8,117 AUD
View
Retailer 23
-
$8,833 AUD
View
Price last confirmed 57 days ago
Most Expensive
NZ Jewellers
13deafda-42a0-4da3-ba9c-91e2dc3d9be2 · Sep 28
$8,833 AUD
$6,069 USD
View
Price last confirmed 39 days ago
23 more retailers have this diamond
Prices start from $3,937 AUDSave up to $4,180 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
$3,937 AUD