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Round|Natural|IGI

1.51ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 607320351

Shape and cutting style on the report: Round brilliant

Certificate IGI 607320351

Diamond specifications and retailer prices

From $6,020 NZD
As of November 5, 2026
Save $7,861 NZD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $13,881 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 607320351. Listed at 18 retailers as of November 5, 2026, with prices from $6,020 to $13,881, a $7,861 spread on the same certified stone. NZ Jewellers lists it at $13,881. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.2°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 607320351
Dimensions7.33 × 7.29 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.33 mm7.29 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 607320351
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

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: $13,881 NZD|Low: $6,020 NZD|High: $13,881 NZD|Avg: $8,594 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 6, 2026
Retailer 13$6,020 NZD
Retailer 4$7,011 NZD
Retailer 5$7,354 NZD
Retailer 3$7,543 NZD
Retailer 11$7,881 NZD
Retailer 6$7,968 NZD
Retailer 7$7,968 NZD
Retailer 15$8,103 NZD
Retailer 2$8,170 NZD
Retailer 16$8,233 NZD
Retailer 9$8,460 NZD
Retailer 12$8,957 NZD
Retailer 8$9,193 NZD
Retailer 10$9,720 NZD
Retailer 14$12,655 NZD
NZ Jewellers$13,881 NZD

24 data points across 16 retailers

18 retailers$6,020 NZD to $13,881 NZD

A
Cheapest Retailer
-
$6,020 NZD
A
Retailer 2
-
$7,011 NZD
View
A
Retailer 3
-
$7,046 NZD
View
A
Retailer 4
-
$7,354 NZD
View
Final sale: no returns
A
Retailer 5
-
$7,543 NZD
View
Retailer 6
-
$7,704 NZD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$7,881 NZD
View
A
Retailer 8
-
$7,968 NZD
View
A
Retailer 9
-
$7,968 NZD
View
A
Retailer 10
-
$8,103 NZD
View
A
Retailer 11
-
$8,170 NZD
View
A
Retailer 12
-
$8,233 NZD
View
A
Retailer 13
-
$8,460 NZD
View
A
Retailer 14
-
$8,957 NZD
View
A
Retailer 15
-
$9,193 NZD
View
A
Retailer 16
-
$9,720 NZD
View
B+
Retailer 17
-
$12,655 NZD
View
Most Expensive
B+
NZ Jewellers
9852cf93-507e-432a-9a62-756e764d9223 · Nov 5
$13,881 NZD
$7,803 USD
View
17 more retailers have this diamond
Prices start from $6,020 NZDSave up to $7,861 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
1.51ct Round
$6,020 NZD