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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 $3,384 USD
As of November 5, 2026
Save $4,419 USD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,803 USD 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 $3,384 to $7,803, a $4,419 spread on the same certified stone. NZ Jewellers lists it at $7,803. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,803 USD|Low: $3,384 USD|High: $7,803 USD|Avg: $4,812 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
Retailer 16
November 5, 2026
Retailer 9$3,384 USD
Retailer 16$3,941 USD
Retailer 3$4,134 USD
Retailer 15$4,240 USD
Retailer 12$4,449 USD
Retailer 5$4,479 USD
Retailer 6$4,479 USD
Retailer 13$4,555 USD
Retailer 10$4,593 USD
Retailer 14$4,628 USD
Retailer 4$4,770 USD
Retailer 2$5,035 USD
Retailer 7$5,168 USD
Retailer 8$5,323 USD
Retailer 11$7,114 USD
NZ Jewellers$7,803 USD

24 data points across 16 retailers

18 retailers$3,384 USD to $7,803 USD

A
Cheapest Retailer
-
$3,384 USD
A
Retailer 2
-
$3,941 USD
View
A
Retailer 3
-
$3,961 USD
View
A
Retailer 4
-
$4,134 USD
View
Final sale: no returns
A
Retailer 5
-
$4,240 USD
View
Retailer 6
-
$4,331 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$4,449 USD
View
A
Retailer 8
-
$4,479 USD
View
A
Retailer 9
-
$4,479 USD
View
A
Retailer 10
-
$4,555 USD
View
A
Retailer 11
-
$4,593 USD
View
A
Retailer 12
-
$4,628 USD
View
A
Retailer 13
-
$4,770 USD
View
A
Retailer 14
-
$5,035 USD
View
A
Retailer 15
-
$5,168 USD
View
A
Retailer 16
-
$5,323 USD
View
B+
Retailer 17
-
$7,114 USD
View
Most Expensive
B+
NZ Jewellers
9852cf93-507e-432a-9a62-756e764d9223 · Nov 5
$7,803 USD
View
17 more retailers have this diamond
Prices start from $3,384 USDSave up to $4,419 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
1.51ct Round
$3,384 USD