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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 $5,024 AUD
$3,529 USD
As of October 31, 2026
Save $4,923 AUD (49%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,623 AUD 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: $9,885 AUD|Low: $4,994 AUD|High: $10,293 AUD|Avg: $6,416 AUD
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
October 31, 2026
Retailer 2$5,024 AUD
Retailer 11$5,269 AUD
Retailer 9$5,470 AUD
Retailer 4$5,518 AUD
Retailer 16$5,602 AUD
Retailer 7$5,674 AUD
Retailer 6$5,885 AUD
Retailer 12$5,890 AUD
Retailer 10$5,913 AUD
Retailer 3$6,095 AUD
Retailer 8$6,547 AUD
Retailer 13$6,659 AUD
Retailer 5$6,726 AUD
Retailer 14$7,166 AUD
Retailer 15$9,855 AUD
NZ Jewellers$9,885 AUD

29 data points across 16 retailers

22 retailers$5,024 AUD to $9,947 AUD

A
Cheapest Retailer
-
$5,024 AUD
$3,529 USD
A
Retailer 2
-
$5,269 AUD
$3,701 USD
View
Final sale: no returns
A
Retailer 3
-
$5,470 AUD
$3,843 USD
View
A
Retailer 4
-
$5,518 AUD
$3,876 USD
View
A
Retailer 5
-
$5,602 AUD
$3,935 USD
View
Retailer 6
-
$5,674 AUD
$3,986 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$5,885 AUD
$4,134 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$5,890 AUD
£3,258 GBP
View
A
Retailer 9
-
$5,913 AUD
£3,271 GBP
View
A
Retailer 10
-
$6,095 AUD
$4,281 USD
View
Retailer 11
-
$6,097 AUD
$4,283 USD
View
Price last confirmed 30 days ago
Retailer 12
-
$6,097 AUD
$4,283 USD
View
Price last confirmed 32 days ago
Retailer 13
-
$6,547 AUD
$4,599 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$6,659 AUD
€4,455 EUR
View
B+
Retailer 15
-
$6,726 AUD
£3,720 GBP
View
B+
Retailer 16
-
$6,791 AUD
$4,770 USD
View
Retailer 17
-
$7,035 AUD
$4,942 USD
View
Price last confirmed 31 days ago
B+
Retailer 18
-
$7,166 AUD
ZAR 81,319 ZAR
View
B
Retailer 19
-
$9,855 AUD
£5,451 GBP
View
Retailer 20
-
$9,885 AUD
$6,944 USD
View
Price last confirmed 11 days ago
B
Retailer 21
-
$9,947 AUD
$6,987 USD
View
Most Expensive
NZ Jewellers
378d14ef-95a0-4c91-b5f4-1f59cae4dd14 · Sep 26
$10,623 AUD
$7,462 USD
View
Price last confirmed 34 days ago
21 more retailers have this diamond
Prices start from $5,024 AUDSave up to $4,923 AUD

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
$5,024 AUD