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Round|Natural|GIA

1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 3555313511

Certificate GIA 3555313511

Diamond specifications and retailer prices

From $6,133 NZD
$3,451 USD
As of November 1, 2026
Save $6,011 NZD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,144 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555313511. Listed at 14 retailers as of November 1, 2026, with prices from $6,133 to $12,144, a $6,011 spread on the same certified stone. NZ Jewellers lists it at $12,144. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3555313511
Dimensions6.44 × 6.48 × 4.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.44 mm6.48 mm1.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555313511
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,858 NZD|Low: $5,897 NZD|High: $11,798 NZD|Avg: $7,712 NZD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9$6,133 NZD
Retailer 6$6,432 NZD
Retailer 8$6,656 NZD
Retailer 2$6,707 NZD
Retailer 7$7,474 NZD
Retailer 1$7,858 NZD
Retailer 5$7,979 NZD
Retailer 4$8,568 NZD
Retailer 3$11,658 NZD

44 data points across 9 retailers

14 retailers$6,133 NZD to $12,144 NZD

B+
Cheapest Retailer
-
$6,133 NZD
$3,451 USD
B+
Retailer 2
-
$6,325 NZD
$3,559 USD
View
B+
Retailer 3
-
$6,432 NZD
$3,619 USD
View
Final sale: no returns
B+
Retailer 4
-
$6,656 NZD
$3,745 USD
View
B+
Retailer 5
-
$6,707 NZD
£2,971 GBP
View
B+
Retailer 6
-
$6,971 NZD
$3,922 USD
View
B+
Retailer 7
-
$6,971 NZD
$3,922 USD
View
Retailer 8
-
$7,474 NZD
A$6,470 AUD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
$7,858 NZD
€4,211 EUR
View
B+
Retailer 10
-
$7,979 NZD
£3,535 GBP
View
B
Retailer 11
-
$8,042 NZD
$4,525 USD
View
B
Retailer 12
-
$8,568 NZD
ZAR 77,882 ZAR
View
B
Retailer 13
-
$11,658 NZD
£5,165 GBP
View
Most Expensive
B
NZ Jewellers
d7a31d5f-94ce-4b5e-be25-37c40f38f9f7 · Nov 2
$12,144 NZD
$6,833 USD
View
13 more retailers have this diamond
Prices start from $6,133 NZDSave up to $6,011 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.

B+
1.03ct Round
$6,133 NZD