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Round|Natural|GIA

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7552962813

Certificate GIA 7552962813

Diamond specifications and retailer prices

From $2,888 AUD
As of November 4, 2026
Save $5,093 AUD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,981 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7552962813. Listed at 17 retailers as of November 4, 2026, with prices from $2,888 to $7,981, a $5,093 spread on the same certified stone. NZ Jewellers lists it at $7,981. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7552962813
Dimensions6.89 × 6.94 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.89 mm6.94 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7552962813
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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 4
Current: $7,981 AUD|Low: $2,413 AUD|High: $8,117 AUD|Avg: $3,779 AUD|+13.4%
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
November 6, 2026
Retailer 5$2,888 AUD
Retailer 12$3,014 AUD
Retailer 6$3,124 AUD
Retailer 13$3,128 AUD
Retailer 4$3,191 AUD
Retailer 3$3,193 AUD
Retailer 14$3,211 AUD
Retailer 8$3,400 AUD
Retailer 7$3,458 AUD
Retailer 15$3,618 AUD
Retailer 16$3,991 AUD
Retailer 2$4,016 AUD
Retailer 9$4,454 AUD
Retailer 10$4,660 AUD
Retailer 11$6,670 AUD
NZ Jewellers$7,981 AUD

23 data points across 16 retailers

17 retailers$2,888 AUD to $7,981 AUD

A
Cheapest Retailer
-
$2,888 AUD
A
Retailer 2
-
$3,014 AUD
View
A
Retailer 3
-
$3,124 AUD
View
A
Retailer 4
-
$3,128 AUD
View
B+
Retailer 5
-
$3,191 AUD
View
B+
Retailer 6
-
$3,193 AUD
View
Final sale: no returns
A
Retailer 7
-
$3,211 AUD
View
A
Retailer 8
-
$3,387 AUD
View
Retailer 9
-
$3,400 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,458 AUD
View
B+
Retailer 11
-
$3,618 AUD
View
B+
Retailer 12
-
$3,991 AUD
View
B+
Retailer 13
-
$4,016 AUD
View
B
Retailer 14
-
$4,454 AUD
View
B
Retailer 15
-
$4,660 AUD
View
B
Retailer 16
-
$6,670 AUD
View
Most Expensive
C
NZ Jewellers
b5b6782a-54cf-498b-a633-c457fc6742ca · Nov 5
$7,981 AUD
$5,587 USD
View
16 more retailers have this diamond
Prices start from $2,888 AUDSave up to $5,093 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
$2,888 AUD