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Round|Natural|GIA

1.30ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2564101820

Certificate GIA 2564101820

Diamond specifications and retailer prices

From $7,717 NZD
As of November 6, 2026
Save $10,378 NZD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $18,095 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564101820. Listed at 16 retailers as of November 5, 2026, with prices from $7,717 to $18,095, a $10,378 spread on the same certified stone. NZ Jewellers lists it at $18,095. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2564101820
Dimensions6.97 × 7.01 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.97 mm7.01 mm1.30 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2564101820
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.1%

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: $7,717 NZD|Low: $7,717 NZD|High: $16,110 NZD|Avg: $10,952 NZD|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1$7,717 NZD
Retailer 8$8,521 NZD
Retailer 2$8,621 NZD
Retailer 11$10,077 NZD
Retailer 9$10,209 NZD
Retailer 4$10,620 NZD
Retailer 3$10,750 NZD
Retailer 6$11,008 NZD
Retailer 7$11,947 NZD
Retailer 5$12,634 NZD
Retailer 10$15,894 NZD

38 data points across 11 retailers

16 retailers$7,717 NZD to $18,095 NZD

A
Cheapest Retailer
-
$7,717 NZD
A
Retailer 2
-
$8,521 NZD
View
A
Retailer 3
-
$8,621 NZD
View
Final sale: no returns
B+
Retailer 4
-
$9,435 NZD
View
B+
Retailer 5
-
$10,077 NZD
View
B+
Retailer 6
-
$10,209 NZD
View
B+
Retailer 7
-
$10,620 NZD
View
Retailer 8
-
$10,750 NZD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
$10,819 NZD
View
Retailer 10
-
$10,819 NZD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$10,819 NZD
View
B+
Retailer 12
-
$11,008 NZD
View
B
Retailer 13
-
$11,947 NZD
View
B+
Retailer 14
-
$12,634 NZD
View
B
Retailer 15
-
$15,894 NZD
View
Most Expensive
B
NZ Jewellers
35f05874-dbfd-4f90-be40-5e164d6b2531 · Nov 5
$18,095 NZD
$10,172 USD
View
15 more retailers have this diamond
Prices start from $7,717 NZDSave up to $10,378 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
$7,717 NZD