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Round|Natural|IGI

1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • IGI 801639013

Shape and cutting style on the report: Round brilliant

Certificate IGI 801639013

Diamond specifications and retailer prices

From $3,528 NZD
$1,985 USD
As of November 1, 2026
Save $4,880 NZD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,408 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 IGI 801639013. Listed at 16 retailers as of November 1, 2026, with prices from $3,528 to $8,408, a $4,880 spread on the same certified stone. NZ Jewellers lists it at $8,408. 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
FluorescenceFaint
Crown angle35.1°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 801639013
Dimensions6.40 × 6.43 × 4.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.40 mm6.43 mm1.03 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 801639013
Side View
Table 56.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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 1
Current: $8,408 NZD|Low: $3,528 NZD|High: $8,408 NZD|Avg: $4,698 NZD
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 2, 2026
Retailer 6$3,528 NZD
Retailer 5$3,633 NZD
Retailer 7$3,711 NZD
Retailer 3$3,805 NZD
Retailer 2$3,869 NZD
Retailer 4$4,022 NZD
Retailer 14$4,022 NZD
Retailer 15$4,034 NZD
Retailer 16$4,207 NZD
Retailer 13$4,269 NZD
Retailer 9$4,465 NZD
Retailer 8$4,641 NZD
Retailer 12$4,943 NZD
Retailer 10$5,001 NZD
Retailer 11$7,047 NZD
NZ Jewellers$8,408 NZD

8 data points across 16 retailers

16 retailers$3,528 NZD to $8,408 NZD

A
Cheapest Retailer
-
$3,528 NZD
$1,985 USD
A
Retailer 2
-
$3,633 NZD
$2,044 USD
View
A
Retailer 3
-
$3,711 NZD
$2,088 USD
View
Final sale: no returns
A
Retailer 4
-
$3,805 NZD
$2,141 USD
View
A
Retailer 5
-
$3,869 NZD
£1,714 GBP
View
A
Retailer 6
-
$4,022 NZD
$2,263 USD
View
A
Retailer 7
-
$4,022 NZD
$2,263 USD
View
A
Retailer 8
-
$4,034 NZD
$2,270 USD
View
A
Retailer 9
-
$4,207 NZD
$2,367 USD
View
A
Retailer 10
-
$4,269 NZD
$2,402 USD
View
A
Retailer 11
-
$4,465 NZD
£1,978 GBP
View
B+
Retailer 12
-
$4,641 NZD
$2,611 USD
View
B+
Retailer 13
-
$4,943 NZD
ZAR 44,933 ZAR
View
B+
Retailer 14
-
$5,001 NZD
€2,680 EUR
View
B+
Retailer 15
-
$7,047 NZD
£3,122 GBP
View
Most Expensive
B
NZ Jewellers
e1337ce9-913f-49c0-85d2-36b6ab1b47f3 · Nov 2
$8,408 NZD
$4,731 USD
View
15 more retailers have this diamond
Prices start from $3,528 NZDSave up to $4,880 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
$3,528 NZD