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Round|Natural|GIA

1.30ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2554743014

Certificate GIA 2554743014

Diamond specifications and retailer prices

From $8,935 NZD
As of November 6, 2026
Save $11,422 NZD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $20,357 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554743014. Listed at 10 retailers as of November 5, 2026, with prices from $8,935 to $20,357, a $11,422 spread on the same certified stone. NZ Jewellers lists it at $20,357. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554743014
Dimensions6.91 × 6.96 × 4.32 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather, Indented Natural
Top View
6.91 mm6.96 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554743014
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.2%

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: $20,357 NZD|Low: $8,935 NZD|High: $21,219 NZD|Avg: $13,227 NZD|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$8,935 NZD
Retailer 4$10,021 NZD
Retailer 9$10,418 NZD
Retailer 7$10,531 NZD
Retailer 6$12,171 NZD
Retailer 2$12,272 NZD
Retailer 5$12,860 NZD
Retailer 3$17,882 NZD
NZ Jewellers$20,357 NZD

43 data points across 9 retailers

10 retailers$8,935 NZD to $20,357 NZD

A
Cheapest Retailer
-
$8,935 NZD
B+
Retailer 2
-
$10,021 NZD
View
Retailer 3
-
$10,418 NZD
View
Price last confirmed 22 days ago
B+
Retailer 4
-
$10,531 NZD
View
B+
Retailer 5
-
$12,027 NZD
View
B+
Retailer 6
-
$12,171 NZD
View
B+
Retailer 7
-
$12,272 NZD
View
B+
Retailer 8
-
$12,860 NZD
View
B
Retailer 9
-
$17,882 NZD
View
Most Expensive
B
NZ Jewellers
21da68a6-8e4a-4146-8fdd-64fd4e0fcf60 · Nov 5
$20,357 NZD
$11,285 USD
View
9 more retailers have this diamond
Prices start from $8,935 NZDSave up to $11,422 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
$8,935 NZD