Round|Natural|IGI

1.51ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 737595418

Shape and cutting style on the report: Round brilliant

Certificate IGI 737595418

Diamond specifications and retailer prices

From $6,262 NZD
$3,529 USD
As of October 31, 2026
Save $6,136 NZD (49%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,240 NZD at NZ Jewellers · As of September 26, 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 737595418. Listed at 22 retailers as of October 30, 2026, with a 98% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 737595418
Dimensions7.25 × 7.29 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.25 mm7.29 mm1.51 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737595418
Side View
Table 58.0%Crown 36.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: Oct 31
Current: $12,321 NZD|Low: $6,224 NZD|High: $12,828 NZD|Avg: $7,992 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 1, 2026
Retailer 16$6,262 NZD
Retailer 11$6,458 NZD
Retailer 4$6,567 NZD
Retailer 13$6,684 NZD
Retailer 3$6,818 NZD
Retailer 7$7,072 NZD
Retailer 10$7,319 NZD
Retailer 6$7,335 NZD
Retailer 12$7,370 NZD
Retailer 9$7,377 NZD
Retailer 2$8,018 NZD
Retailer 14$8,146 NZD
Retailer 8$8,160 NZD
Retailer 15$8,747 NZD
Retailer 5$12,283 NZD
NZ Jewellers$12,321 NZD

26 data points across 16 retailers

22 retailers$6,262 NZD to $12,397 NZD

A
Cheapest Retailer
-
$6,262 NZD
$3,529 USD
A
Retailer 2
-
$6,458 NZD
$3,640 USD
View
A
Retailer 3
-
$6,567 NZD
$3,701 USD
View
Final sale: no returns
A
Retailer 4
-
$6,684 NZD
$3,767 USD
View
A
Retailer 5
-
$6,818 NZD
$3,843 USD
View
Retailer 6
-
$7,072 NZD
$3,986 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$7,319 NZD
£3,248 GBP
View
Retailer 8
-
$7,335 NZD
$4,134 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$7,370 NZD
£3,271 GBP
View
A
Retailer 10
-
$7,377 NZD
$4,158 USD
View
Retailer 11
-
$7,599 NZD
$4,283 USD
View
Price last confirmed 31 days ago
Retailer 12
-
$7,599 NZD
$4,283 USD
View
Price last confirmed 33 days ago
A
Retailer 13
-
$8,018 NZD
€4,304 EUR
View
A
Retailer 14
-
$8,146 NZD
£3,615 GBP
View
Retailer 15
-
$8,160 NZD
$4,599 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
$8,463 NZD
$4,770 USD
View
B+
Retailer 17
-
$8,747 NZD
ZAR 79,639 ZAR
View
Retailer 18
-
$8,769 NZD
$4,942 USD
View
Price last confirmed 33 days ago
B
Retailer 19
-
$12,283 NZD
£5,451 GBP
View
Retailer 20
-
$12,321 NZD
$6,944 USD
View
Price last confirmed 12 days ago
B
Retailer 21
-
$12,397 NZD
$6,987 USD
View
Most Expensive
NZ Jewellers
378d14ef-95a0-4c91-b5f4-1f59cae4dd14 · Sep 26
$13,240 NZD
$7,462 USD
View
Price last confirmed 36 days ago
21 more retailers have this diamond
Prices start from $6,262 NZDSave up to $6,136 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
$6,262 NZD