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Round|Natural|GIA

1.51ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 7378520825

Certificate GIA 7378520825

Diamond specifications and retailer prices

From $8,492 AUD
$5,965 USD
As of October 25, 2026
Save $10,352 AUD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $18,844 AUD at NZ Jewellers · As of October 30, 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 GIA 7378520825. Listed at 19 retailers as of October 25, 2026, with prices from $8,492 to $18,844, a $10,352 spread on the same certified stone. NZ Jewellers lists it at $18,844. 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°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7378520825
Dimensions7.32 × 7.27 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.32 mm7.27 mm1.51 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7378520825
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $18,844 AUD|Low: $8,492 AUD|High: $18,844 AUD|Avg: $12,069 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
October 30, 2026
Retailer 10$8,492 AUD
Retailer 13$8,902 AUD
Retailer 11$9,421 AUD
Retailer 12$9,446 AUD
Retailer 4$10,365 AUD
Retailer 6$10,551 AUD
Retailer 9$10,864 AUD
Retailer 3$11,729 AUD
Retailer 2$12,313 AUD
Retailer 5$12,414 AUD
Retailer 8$13,719 AUD
Retailer 7$15,787 AUD
NZ Jewellers$18,844 AUD

39 data points across 13 retailers

19 retailers$8,492 AUD to $18,844 AUD

B+
Cheapest Retailer
-
$8,492 AUD
$5,965 USD
B+
Retailer 2
-
$8,902 AUD
$6,253 USD
View
B+
Retailer 3
-
$9,421 AUD
$6,618 USD
View
Final sale: no returns
B+
Retailer 4
-
$9,446 AUD
$6,635 USD
View
B
Retailer 5
-
$10,207 AUD
$7,170 USD
View
B
Retailer 6
-
$10,365 AUD
$7,281 USD
View
B+
Retailer 7
-
$10,551 AUD
£5,836 GBP
View
Retailer 8
-
$10,864 AUD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$11,289 AUD
$7,930 USD
View
B
Retailer 10
-
$11,289 AUD
$7,930 USD
View
B
Retailer 11
-
$11,424 AUD
$8,025 USD
View
B
Retailer 12
-
$11,674 AUD
$8,200 USD
View
Retailer 13
-
$11,729 AUD
£6,488 GBP
View
Price last confirmed 31 days ago
B
Retailer 14
-
$11,777 AUD
$8,273 USD
View
B
Retailer 15
-
$12,313 AUD
€8,237 EUR
View
Retailer 16
-
$12,414 AUD
$8,720 USD
View
Price last confirmed 8 days ago
B
Retailer 17
-
$13,719 AUD
ZAR 155,683 ZAR
View
B
Retailer 18
-
$15,787 AUD
£8,732 GBP
View
Most Expensive
B
NZ Jewellers
8de93124-6029-4362-80eb-6637eadb1a3e · Oct 30
$18,844 AUD
$13,237 USD
View
18 more retailers have this diamond
Prices start from $8,492 AUDSave up to $10,352 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.

B+
1.51ct Round
$8,492 AUD