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Marquise|Natural|GIA

1.20ct J VS1 Marquise Natural Diamond

EX • J/VS1 • GIA 1563716556

Certificate GIA 1563716556

Diamond specifications and retailer prices

From $5,694 AUD
As of November 5, 2026
Save $4,436 AUD (44%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,130 AUD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-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 1563716556. Listed at 15 retailers as of November 5, 2026, with prices from $5,694 to $10,130, a $4,436 spread on the same certified stone. Helzberg Diamonds lists it at $10,130. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
J
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle37.57°
OriginNatural
Grading LabGIA
CertificateGIA 1563716556
Dimensions10.53 × 5.55 × 3.35 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.53 mm5.55 mm1.20 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563716556
Side View
Table 58.0%Crown 39.3°Girdle: MED-THKPavilion 37.57°Culet: NDepth 60.2%

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 5
Current: $10,130 AUD|Low: $5,694 AUD|High: $10,130 AUD|Avg: $7,122 AUD
Helzberg Diamonds
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 6, 2026
Retailer 3$5,694 AUD
Retailer 9$5,788 AUD
Retailer 4$5,851 AUD
Retailer 5$5,986 AUD
Retailer 7$6,169 AUD
Retailer 10$6,369 AUD
Retailer 13$6,877 AUD
Retailer 15$6,928 AUD
Retailer 14$7,137 AUD
Retailer 6$7,175 AUD
Retailer 8$7,264 AUD
Retailer 2$7,839 AUD
Retailer 12$9,530 AUD
Retailer 11$10,058 AUD
Helzberg Diamonds$10,130 AUD

11 data points across 15 retailers

15 retailers$5,694 AUD to $10,130 AUD

B+
Cheapest Retailer
-
$5,694 AUD
B+
Retailer 2
-
$5,788 AUD
View
B+
Retailer 3
-
$5,851 AUD
View
B+
Retailer 4
-
$5,986 AUD
View
B+
Retailer 5
-
$6,169 AUD
View
B+
Retailer 6
-
$6,369 AUD
View
B
Retailer 7
-
$6,877 AUD
View
B
Retailer 8
-
$6,928 AUD
View
B
Retailer 9
-
$7,137 AUD
View
B
Retailer 10
-
$7,175 AUD
View
B
Retailer 11
-
$7,264 AUD
View
B
Retailer 12
-
$7,839 AUD
View
B
Retailer 13
-
$9,530 AUD
View
B
Retailer 14
-
$10,058 AUD
View
Most Expensive
B
Helzberg Diamonds
XZRHLMJNHMLLM · Nov 6
$10,130 AUD
$6,960 USD
View
14 more retailers have this diamond
Prices start from $5,694 AUDSave up to $4,436 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+
1.20ct Marquise
$5,694 AUD