CaratHunter
Plans
Marquise|Natural|GIA

1.51ct J VS1 Marquise Natural Diamond

EX • J/VS1 • GIA 5556598490

Certificate GIA 5556598490

Diamond specifications and retailer prices

From $10,582 AUD
$7,433 USD
As of November 2, 2026
Save $11,015 AUD (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,597 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise 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 stated by the retailer rather than the lab and certified by GIA 5556598490. Listed at 16 retailers as of October 30, 2026, with prices from $10,582 to $21,597, a $11,015 spread on the same certified stone. NZ Jewellers lists it at $21,597. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.77°
Pavilion angle39.86°
OriginNatural
Grading LabGIA
CertificateGIA 5556598490
Dimensions11.72 × 6.00 × 3.66 mm
L/W Ratio1.95
Culet sizeNone
Top View
11.72 mm6.00 mm1.51 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5556598490
Side View
Table 59.0%Crown 36.77°Girdle: STK-THKPavilion 39.86°Culet: NoneDepth 60.9%

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: Nov 2
Current: $21,597 AUD|Low: $9,898 AUD|High: $21,597 AUD|Avg: $13,167 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
November 2, 2026
Retailer 12$10,582 AUD
Retailer 4$10,701 AUD
Retailer 10$10,798 AUD
Retailer 5$11,219 AUD
Retailer 7$11,853 AUD
Retailer 8$12,063 AUD
Retailer 11$12,084 AUD
Retailer 6$12,515 AUD
Retailer 14$12,969 AUD
Retailer 15$12,969 AUD
Retailer 13$13,196 AUD
Retailer 3$13,396 AUD
Retailer 2$13,516 AUD
Retailer 9$17,997 AUD
NZ Jewellers$21,597 AUD

40 data points across 15 retailers

16 retailers$10,582 AUD to $21,597 AUD

B+
Cheapest Retailer
-
$10,582 AUD
$7,433 USD
B+
Retailer 2
-
$10,701 AUD
CA$10,440 CAD
View
B+
Retailer 3
-
$10,798 AUD
$7,585 USD
View
Final sale: no returns
B+
Retailer 4
-
$11,219 AUD
$7,881 USD
View
B+
Retailer 5
-
$11,853 AUD
$8,326 USD
View
B+
Retailer 6
-
$12,063 AUD
£6,672 GBP
View
B+
Retailer 7
-
$12,084 AUD
$8,488 USD
View
B
Retailer 8
-
$12,515 AUD
$8,791 USD
View
B+
Retailer 9
-
$12,969 AUD
$9,110 USD
View
B+
Retailer 10
-
$12,969 AUD
$9,110 USD
View
B+
Retailer 11
-
$13,050 AUD
$9,167 USD
View
B+
Retailer 12
-
$13,196 AUD
$9,270 USD
View
B
Retailer 13
-
$13,396 AUD
$9,410 USD
View
B+
Retailer 14
-
$13,516 AUD
€9,042 EUR
View
B
Retailer 15
-
$17,997 AUD
£9,954 GBP
View
Most Expensive
B
NZ Jewellers
c463a27a-51c5-41fc-ad75-6e2e60bd95b1 · Oct 30
$21,597 AUD
$15,171 USD
View
15 more retailers have this diamond
Prices start from $10,582 AUDSave up to $11,015 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 Marquise
$10,582 AUD