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Round|Natural|IGI

1.02ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 523201854

Shape and cutting style on the report: Round brilliant

Certificate IGI 523201854

Diamond specifications and retailer prices

From $3,702 NZD
As of November 5, 2026
Save $4,867 NZD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,569 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 523201854. Listed at 17 retailers as of November 5, 2026, with prices from $3,702 to $8,569, a $4,867 spread on the same certified stone. NZ Jewellers lists it at $8,569. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 523201854
Dimensions6.58 × 6.60 × 3.92 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.58 mm6.60 mm1.02 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 523201854
Side View
Table 63.0%Crown 33.5°Girdle: UNDPavilion 41.8°Culet: NoneDepth 59.5%

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 5
Current: $8,569 NZD|Low: $3,467 NZD|High: $8,569 NZD|Avg: $4,852 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
November 5, 2026
Retailer 4$3,702 NZD
Retailer 3$3,782 NZD
Retailer 12$3,826 NZD
Retailer 7$4,099 NZD
Retailer 9$4,099 NZD
Retailer 6$4,100 NZD
Retailer 13$4,289 NZD
Retailer 11$4,504 NZD
Retailer 14$4,730 NZD
Retailer 2$4,766 NZD
Retailer 8$5,002 NZD
Retailer 10$5,086 NZD
Retailer 5$5,790 NZD
Retailer 15$7,219 NZD
NZ Jewellers$8,569 NZD

32 data points across 15 retailers

17 retailers$3,702 NZD to $8,569 NZD

A
Cheapest Retailer
-
$3,702 NZD
A
Retailer 2
-
$3,782 NZD
View
Final sale: no returns
A
Retailer 3
-
$3,826 NZD
View
Retailer 4
-
$3,914 NZD
View
Price last confirmed 108 days ago
A
Retailer 5
-
$4,099 NZD
View
A
Retailer 6
-
$4,100 NZD
View
A
Retailer 7
-
$4,289 NZD
View
Retailer 8
-
$4,346 NZD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$4,504 NZD
View
A
Retailer 10
-
$4,730 NZD
View
A
Retailer 11
-
$4,766 NZD
View
A
Retailer 12
-
$5,002 NZD
View
A
Retailer 13
-
$5,086 NZD
View
B+
Retailer 14
-
$5,790 NZD
View
B+
Retailer 15
-
$5,910 NZD
View
Retailer 16
-
$7,219 NZD
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
febe5186-67f9-4d15-8985-5c828efecf8f · Nov 5
$8,569 NZD
$4,817 USD
View
16 more retailers have this diamond
Prices start from $3,702 NZDSave up to $4,867 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
1.02ct Round
$3,702 NZD