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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 $2,081 USD
As of November 5, 2026
Save $2,736 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,817 USD 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 $2,081 to $4,817, a $2,736 spread on the same certified stone. NZ Jewellers lists it at $4,817. 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
Color
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: $4,817 USD|Low: $1,949 USD|High: $4,817 USD|Avg: $2,728 USD
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$2,081 USD
Retailer 3$2,126 USD
Retailer 11$2,151 USD
Retailer 2$2,304 USD
Retailer 7$2,304 USD
Retailer 6$2,305 USD
Retailer 12$2,411 USD
Retailer 9$2,532 USD
Retailer 10$2,654 USD
Retailer 13$2,659 USD
Retailer 15$2,805 USD
Retailer 8$2,859 USD
Retailer 5$3,255 USD
Retailer 14$4,058 USD
NZ Jewellers$4,817 USD

32 data points across 15 retailers

17 retailers$2,081 USD to $4,817 USD

A
Cheapest Retailer
-
$2,081 USD
A
Retailer 2
-
$2,126 USD
View
Final sale: no returns
A
Retailer 3
-
$2,151 USD
View
Retailer 4
-
$2,200 USD
View
Price last confirmed 108 days ago
A
Retailer 5
-
$2,304 USD
View
A
Retailer 6
-
$2,305 USD
View
A
Retailer 7
-
$2,411 USD
View
Retailer 8
-
$2,443 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
$2,532 USD
View
A
Retailer 10
-
$2,654 USD
View
A
Retailer 11
-
$2,659 USD
View
Retailer 12
-
$2,805 USD
View
Price last confirmed 10 days ago
A
Retailer 13
-
$2,859 USD
View
B+
Retailer 14
-
$3,255 USD
View
B+
Retailer 15
-
$3,322 USD
View
Retailer 16
-
$4,058 USD
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
febe5186-67f9-4d15-8985-5c828efecf8f · Nov 5
$4,817 USD
View
16 more retailers have this diamond
Prices start from $2,081 USDSave up to $2,736 USD

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
$2,081 USD