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Round|Natural|GIA

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6552711170

Certificate GIA 6552711170

Diamond specifications and retailer prices

From $3,209 NZD
As of November 4, 2026
Save $4,184 NZD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,183 NZD at NZ Jewellers · As of October 3, 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 6552711170. Listed at 21 retailers as of November 4, 2026, with a 130% 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552711170
Dimensions6.87 × 6.92 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.87 mm6.92 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552711170
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,010 NZD|Low: $3,188 NZD|High: $7,786 NZD|Avg: $4,401 NZD|-4.6%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 2$3,209 NZD
Retailer 8$3,337 NZD
Retailer 15$3,362 NZD
Retailer 5$3,462 NZD
Retailer 9$3,469 NZD
Retailer 12$3,504 NZD
Retailer 16$3,513 NZD
Retailer 4$3,552 NZD
Retailer 1$4,010 NZD
Retailer 3$4,086 NZD
Retailer 6$4,358 NZD
Retailer 7$4,374 NZD
Retailer 10$4,529 NZD
Retailer 11$4,881 NZD
Retailer 13$5,116 NZD
Retailer 14$7,393 NZD

32 data points across 16 retailers

21 retailers$3,209 NZD to $7,393 NZD

A
Cheapest Retailer
-
$3,209 NZD
Retailer 2
-
$3,337 NZD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$3,362 NZD
View
A
Retailer 4
-
$3,462 NZD
View
A
Retailer 5
-
$3,469 NZD
View
A
Retailer 6
-
$3,504 NZD
View
Final sale: no returns
A
Retailer 7
-
$3,513 NZD
View
A
Retailer 8
-
$3,552 NZD
View
A
Retailer 9
-
$4,010 NZD
View
A
Retailer 10
-
$4,086 NZD
View
Retailer 11
-
$4,232 NZD
View
Price last confirmed 21 days ago
Retailer 12
-
$4,358 NZD
View
Price last confirmed 21 days ago
Retailer 13
-
$4,374 NZD
View
Price last confirmed 21 days ago
Retailer 14
-
$4,392 NZD
View
Price last confirmed 29 days ago
Retailer 15
-
$4,428 NZD
View
Price last confirmed 22 days ago
A
Retailer 16
-
$4,529 NZD
View
B+
Retailer 17
-
$4,881 NZD
View
Retailer 18
-
$4,883 NZD
View
Price last confirmed 21 days ago
B+
Retailer 19
-
$5,116 NZD
View
B
Retailer 20
-
$7,393 NZD
View
Most Expensive
NZ Jewellers
6436d4c8-9028-4492-ac5c-9710bee4c788 · Oct 3
$9,183 NZD
$5,162 USD
View
Price last confirmed 34 days ago
20 more retailers have this diamond
Prices start from $3,209 NZDSave up to $4,184 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
$3,209 NZD