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Marquise|Natural|GIA

1.01ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6551019703

Certificate GIA 6551019703

Diamond specifications and retailer prices

From $3,357 AUD
$2,353 USD
As of November 1, 2026
Save $5,294 AUD (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,651 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551019703. Listed at 19 retailers as of October 30, 2026, with prices from $3,357 to $8,651, a $5,294 spread on the same certified stone. NZ Jewellers lists it at $8,651. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
OriginNatural
Grading LabGIA
CertificateGIA 6551019703
Dimensions9.62 × 5.25 × 3.33 mm
L/W Ratio1.83
Top View
9.62 mm5.25 mm1.01 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551019703
Side View
Table 62.0%Crown 31.5°Girdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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: Nov 1
Current: $8,651 AUD|Low: $3,482 AUD|High: $8,651 AUD|Avg: $4,932 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
November 2, 2026
Retailer 12$3,482 AUD
Retailer 10$3,748 AUD
Retailer 11$3,748 AUD
Retailer 14$3,893 AUD
Retailer 4$3,918 AUD
Retailer 3$4,096 AUD
Retailer 2$4,146 AUD
Retailer 13$4,326 AUD
Retailer 5$4,353 AUD
Retailer 8$4,388 AUD
Retailer 7$4,844 AUD
Retailer 6$6,024 AUD
Retailer 9$6,921 AUD
NZ Jewellers$8,651 AUD

44 data points across 14 retailers

19 retailers$3,357 AUD to $8,651 AUD

B+
Cheapest Retailer
-
$3,357 AUD
$2,353 USD
B+
Retailer 2
-
$3,482 AUD
$2,440 USD
View
B+
Retailer 3
-
$3,522 AUD
$2,468 USD
View
B
Retailer 4
-
$3,748 AUD
$2,627 USD
View
B
Retailer 5
-
$3,748 AUD
$2,627 USD
View
Retailer 6
-
$3,748 AUD
$2,627 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$3,804 AUD
$2,666 USD
View
B
Retailer 8
-
$3,893 AUD
$2,728 USD
View
B
Retailer 9
-
$3,918 AUD
$2,746 USD
View
B
Retailer 10
-
$4,096 AUD
CA$3,987 CAD
View
B+
Retailer 11
-
$4,146 AUD
£2,288 GBP
View
B
Retailer 12
-
$4,326 AUD
$3,032 USD
View
B
Retailer 13
-
$4,353 AUD
$3,051 USD
View
B
Retailer 14
-
$4,388 AUD
£2,421 GBP
View
Retailer 15
-
$4,806 AUD
$3,368 USD
View
Price last confirmed 18 days ago
B
Retailer 16
-
$4,844 AUD
€3,233 EUR
View
B
Retailer 17
-
$6,024 AUD
$4,222 USD
View
B
Retailer 18
-
$6,921 AUD
£3,819 GBP
View
Most Expensive
C
NZ Jewellers
5db5acdd-5caa-4f36-935e-76b7791b331d · Oct 30
$8,651 AUD
$6,063 USD
View
18 more retailers have this diamond
Prices start from $3,357 AUDSave up to $5,294 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+
1.01ct Marquise
$3,357 AUD