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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 $3,597 NZD
As of November 4, 2026
Save $6,342 NZD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,939 NZD 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 $3,597 to $9,939, a $6,342 spread on the same certified stone. NZ Jewellers lists it at $9,939. 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: $9,939 NZD|Low: $3,005 NZD|High: $10,108 NZD|Avg: $4,706 NZD|+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$3,597 NZD
Retailer 12$3,753 NZD
Retailer 6$3,890 NZD
Retailer 13$3,896 NZD
Retailer 4$3,974 NZD
Retailer 3$3,976 NZD
Retailer 14$3,999 NZD
Retailer 8$4,234 NZD
Retailer 7$4,307 NZD
Retailer 15$4,506 NZD
Retailer 16$4,970 NZD
Retailer 2$5,000 NZD
Retailer 9$5,547 NZD
Retailer 10$5,803 NZD
Retailer 11$8,306 NZD
NZ Jewellers$9,939 NZD

23 data points across 16 retailers

17 retailers$3,597 NZD to $9,939 NZD

A
Cheapest Retailer
-
$3,597 NZD
A
Retailer 2
-
$3,753 NZD
View
A
Retailer 3
-
$3,890 NZD
View
A
Retailer 4
-
$3,896 NZD
View
B+
Retailer 5
-
$3,974 NZD
View
B+
Retailer 6
-
$3,976 NZD
View
Final sale: no returns
A
Retailer 7
-
$3,999 NZD
View
A
Retailer 8
-
$4,218 NZD
View
Retailer 9
-
$4,234 NZD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$4,307 NZD
View
B+
Retailer 11
-
$4,506 NZD
View
B+
Retailer 12
-
$4,970 NZD
View
B+
Retailer 13
-
$5,000 NZD
View
B
Retailer 14
-
$5,547 NZD
View
B
Retailer 15
-
$5,803 NZD
View
B
Retailer 16
-
$8,306 NZD
View
Most Expensive
C
NZ Jewellers
b5b6782a-54cf-498b-a633-c457fc6742ca · Nov 5
$9,939 NZD
$5,587 USD
View
16 more retailers have this diamond
Prices start from $3,597 NZDSave up to $6,342 NZD

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
$3,597 NZD