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Marquise|Natural|GIA

1.51ct I I1 Marquise Natural Diamond

ID • I/I1 • GIA 6552376192

Certificate GIA 6552376192

Diamond specifications and retailer prices

From $5,954 AUD
HK$32,600 HKD
As of November 1, 2026
Save $7,447 AUD (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $13,401 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 I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552376192. Listed at 9 retailers as of October 30, 2026, with prices from $5,954 to $13,401, a $7,447 spread on the same certified stone. NZ Jewellers lists it at $13,401. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552376192
Dimensions13.58 × 5.69 × 3.30 mm
L/W Ratio2.39
Top View
13.58 mm5.69 mm1.51 ctI / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552376192
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 58.1%

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: Nov 1
Current: $13,401 AUD|Low: $5,899 AUD|High: $14,382 AUD|Avg: $8,935 AUD|-6.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5$5,954 AUD
Retailer 9$6,988 AUD
Retailer 8$7,056 AUD
Retailer 2$8,012 AUD
Retailer 4$8,012 AUD
Retailer 7$8,012 AUD
Retailer 3$9,064 AUD
Retailer 6$9,245 AUD
Retailer 10$10,670 AUD
NZ Jewellers$13,401 AUD

29 data points across 10 retailers

9 retailers$5,954 AUD to $13,401 AUD

A
Cheapest Retailer
-
$5,954 AUD
HK$32,600 HKD
A
Retailer 2
-
$6,988 AUD
$4,897 USD
View
A
Retailer 3
-
$7,056 AUD
$4,945 USD
View
B+
Retailer 4
-
$8,012 AUD
$5,615 USD
View
B+
Retailer 5
-
$8,012 AUD
$5,615 USD
View
B+
Retailer 6
-
$8,012 AUD
$5,615 USD
View
B+
Retailer 7
-
$9,064 AUD
€6,050 EUR
View
B+
Retailer 8
-
$9,245 AUD
$6,479 USD
View
Most Expensive
B+
NZ Jewellers
695716ef-e3a1-4f4f-b050-a857ec33c5d1 · Oct 30
$13,401 AUD
$9,392 USD
View
8 more retailers have this diamond
Prices start from $5,954 AUDSave up to $7,447 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 Marquise
$5,954 AUD