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Round|Natural|GIA

1.51ct I I1 Round Natural Diamond

EX • I/I1 • GIA 6552108596

Certificate GIA 6552108596

Diamond specifications and retailer prices

From $4,676 AUD
HK$25,600 HKD
As of November 1, 2026
Save $2,192 AUD (32%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,568 AUD at NZ Jewellers · As of October 17, 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 I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6552108596. Listed at 8 retailers as of November 1, 2026, with a 47% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552108596
Dimensions7.28 × 7.33 × 4.54 mm
L/W Ratio1.01
Top View
7.28 mm7.33 mm1.51 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552108596
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.2%

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: $5,637 AUD|Low: $4,548 AUD|High: $9,909 AUD|Avg: $6,492 AUD|-12.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5$4,676 AUD
Retailer 10$5,013 AUD
Retailer 3$5,097 AUD
Retailer 7$5,225 AUD
Retailer 6$5,231 AUD
Retailer 1$5,637 AUD
Retailer 2$6,645 AUD
Retailer 4$6,868 AUD
Retailer 9$7,870 AUD
Retailer 8$9,383 AUD

25 data points across 10 retailers

8 retailers$4,676 AUD to $6,868 AUD

A
Cheapest Retailer
-
$4,676 AUD
HK$25,600 HKD
A
Retailer 2
-
$5,097 AUD
$3,572 USD
View
Final sale: no returns
A
Retailer 3
-
$5,225 AUD
$3,662 USD
View
B+
Retailer 4
-
$5,231 AUD
$3,666 USD
View
B+
Retailer 5
-
$5,637 AUD
$3,951 USD
View
B+
Retailer 6
-
$6,868 AUD
€4,584 EUR
View
Retailer 7
-
$9,383 AUD
$6,576 USD
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
a6b90b78-ca4d-4cee-973f-84374f6b6915 · Oct 17
$10,568 AUD
$7,406 USD
View
Price last confirmed 16 days ago
7 more retailers have this diamond
Prices start from $4,676 AUDSave up to $2,192 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 Round
$4,676 AUD