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Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2566398726

Certificate GIA 2566398726

Diamond specifications and retailer prices

From $4,212 NZD
As of November 4, 2026
Save $5,251 NZD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,464 NZD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566398726. Listed at 16 retailers as of November 2, 2026, with prices from $4,212 to $9,464, a $5,251 spread on the same certified stone. NZ Jewellers lists it at $9,464. 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

1.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566398726
Dimensions6.53 × 6.55 × 3.95 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.53 mm6.55 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566398726
Side View
Table 58.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.4%

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: $9,464 NZD|Low: $4,212 NZD|High: $10,156 NZD|Avg: $6,077 NZD|-6.8%
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 4, 2026
Retailer 2$4,212 NZD
Retailer 13$4,250 NZD
Retailer 10$4,739 NZD
Retailer 8$5,016 NZD
Retailer 4$5,121 NZD
Retailer 14$5,338 NZD
Retailer 7$5,363 NZD
Retailer 11$5,433 NZD
Retailer 9$5,550 NZD
Retailer 3$5,762 NZD
Retailer 5$5,956 NZD
Retailer 6$5,995 NZD
Retailer 12$6,198 NZD
Retailer 16$6,402 NZD
Retailer 15$9,281 NZD
NZ Jewellers$9,464 NZD

26 data points across 16 retailers

16 retailers$4,212 NZD to $9,464 NZD

A
Cheapest Retailer
-
$4,212 NZD
A
Retailer 2
-
$4,250 NZD
View
A
Retailer 3
-
$4,739 NZD
View
A
Retailer 4
-
$5,016 NZD
View
A
Retailer 5
-
$5,338 NZD
View
A
Retailer 6
-
$5,363 NZD
View
A
Retailer 7
-
$5,433 NZD
View
A
Retailer 8
-
$5,550 NZD
View
B+
Retailer 9
-
$5,762 NZD
View
B+
Retailer 10
-
$5,956 NZD
View
Retailer 11
-
$5,995 NZD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$6,198 NZD
View
B+
Retailer 13
-
$6,402 NZD
View
Retailer 14
-
$6,427 NZD
View
Price last confirmed 30 days ago
B
Retailer 15
-
$9,281 NZD
View
Most Expensive
B
NZ Jewellers
50fac8a4-b084-4287-902a-f994f3f5cc93 · Nov 2
$9,464 NZD
$5,320 USD
View
15 more retailers have this diamond
Prices start from $4,212 NZDSave up to $5,251 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
1.03ct Round
$4,212 NZD