CaratHunter
Plans
Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6521400356

Certificate GIA 6521400356

Diamond specifications and retailer prices

From $4,759 NZD
As of November 4, 2026
Save $5,893 NZD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,552 NZD at NZ Jewellers · As of September 19, 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 6521400356. Listed at 19 retailers as of November 4, 2026, with a 124% 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

1.03
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6521400356
Dimensions6.47 × 6.44 × 4.00 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.47 mm6.44 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521400356
Side View
Table 57.0%Crown 35°Girdle: MD-STKPavilion 40.8°Culet: NoneDepth 62.0%

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: $11,127 NZD|Low: $4,735 NZD|High: $11,552 NZD|Avg: $7,137 NZD|-3.7%
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
November 6, 2026
Retailer 12$4,759 NZD
Retailer 6$5,669 NZD
Retailer 11$5,746 NZD
Retailer 14$5,893 NZD
Retailer 13$6,137 NZD
Retailer 5$6,386 NZD
Retailer 2$6,569 NZD
Retailer 7$6,632 NZD
Retailer 3$6,644 NZD
Retailer 15$6,842 NZD
Retailer 4$7,370 NZD
Retailer 10$7,452 NZD
Retailer 8$7,795 NZD
Retailer 9$10,652 NZD
NZ Jewellers$11,127 NZD

40 data points across 15 retailers

19 retailers$4,759 NZD to $10,652 NZD

A
Cheapest Retailer
-
$4,759 NZD
A
Retailer 2
-
$5,669 NZD
View
A
Retailer 3
-
$5,746 NZD
View
B+
Retailer 4
-
$5,893 NZD
View
Final sale: no returns
B+
Retailer 5
-
$6,137 NZD
View
Retailer 6
-
$6,386 NZD
View
Price last confirmed 15 days ago
Retailer 7
-
$6,386 NZD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$6,569 NZD
View
Retailer 9
-
$6,632 NZD
View
Price last confirmed 10 days ago
Retailer 10
-
$6,634 NZD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$6,644 NZD
View
Retailer 12
-
$6,842 NZD
View
Price last confirmed 29 days ago
Retailer 13
-
$7,370 NZD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$7,452 NZD
View
Retailer 15
-
$7,651 NZD
View
Price last confirmed 45 days ago
B+
Retailer 16
-
$7,795 NZD
View
B
Retailer 17
-
$10,652 NZD
View
Retailer 18
-
$11,127 NZD
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
4099b7e5-b132-43e6-bac6-add96e1d642a · Sep 19
$11,552 NZD
$6,494 USD
View
Price last confirmed 47 days ago
18 more retailers have this diamond
Prices start from $4,759 NZDSave up to $5,893 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
$4,759 NZD