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Round|Natural|GIA

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2567153963

Certificate GIA 2567153963

Diamond specifications and retailer prices

From $2,732 NZD
As of November 6, 2026
Save $5,445 NZD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,178 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 2567153963. Listed at 16 retailers as of November 5, 2026, with prices from $2,732 to $8,178, a $5,445 spread on the same certified stone. NZ Jewellers lists it at $8,178. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2567153963
Dimensions6.91 × 6.97 × 4.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle
Top View
6.91 mm6.97 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567153963
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.3%

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: $2,732 NZD|Low: $2,732 NZD|High: $6,934 NZD|Avg: $4,541 NZD|-9.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1$2,732 NZD
Retailer 3$3,510 NZD
Retailer 4$3,914 NZD
Retailer 5$3,962 NZD
Retailer 2$4,011 NZD
Retailer 10$4,168 NZD
Retailer 7$4,234 NZD
Retailer 6$4,664 NZD
Retailer 8$4,775 NZD
Retailer 9$6,833 NZD

31 data points across 10 retailers

16 retailers$2,732 NZD to $8,178 NZD

A
Cheapest Retailer
-
$2,732 NZD
A
Retailer 2
-
$3,510 NZD
View
A
Retailer 3
-
$3,533 NZD
View
A
Retailer 4
-
$3,912 NZD
View
A
Retailer 5
-
$3,914 NZD
View
A
Retailer 6
-
$3,940 NZD
View
A
Retailer 7
-
$3,962 NZD
View
A
Retailer 8
-
$4,011 NZD
View
Retailer 9
-
$4,056 NZD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$4,091 NZD
View
A
Retailer 11
-
$4,168 NZD
View
A
Retailer 12
-
$4,234 NZD
View
A
Retailer 13
-
$4,664 NZD
View
B+
Retailer 14
-
$4,775 NZD
View
B
Retailer 15
-
$6,833 NZD
View
Most Expensive
B
NZ Jewellers
971c76ed-7970-4c2e-8b78-b3f5b9ec9263 · Nov 5
$8,178 NZD
$4,597 USD
View
15 more retailers have this diamond
Prices start from $2,732 NZDSave up to $5,445 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
$2,732 NZD