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Round|Natural|GIA

1.51ct K I1 Round Natural Diamond

EX • K/I1 • GIA 5563465369

Certificate GIA 5563465369

Diamond specifications and retailer prices

From $2,211 AUD
As of November 6, 2026
Save $4,003 AUD (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,214 AUD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 5563465369. Listed at 10 retailers as of November 5, 2026, with prices from $2,211 to $6,214, a $4,003 spread on the same certified stone. NZ Jewellers lists it at $6,214. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563465369
Dimensions7.36 × 7.39 × 4.53 mm
L/W Ratio1.00
Top View
7.36 mm7.39 mm1.51 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563465369
Side View
Table 58.0%CrownGirdle: Med. - Sli. ThickPavilionCulet: NoneDepth 61.4%

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 6
Current: $6,214 AUD|Low: $2,211 AUD|High: $7,004 AUD|Avg: $3,522 AUD|-11.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6$2,211 AUD
Retailer 7$2,578 AUD
Retailer 4$2,684 AUD
Retailer 10$2,947 AUD
Retailer 3$2,973 AUD
Retailer 9$3,067 AUD
Retailer 5$3,110 AUD
Retailer 8$3,430 AUD
Retailer 2$4,027 AUD
NZ Jewellers$6,214 AUD

25 data points across 10 retailers

10 retailers$2,211 AUD to $6,214 AUD

A
Cheapest Retailer
-
$2,211 AUD
A
Retailer 2
-
$2,578 AUD
View
A
Retailer 3
-
$2,684 AUD
View
A
Retailer 4
-
$2,947 AUD
View
A
Retailer 5
-
$2,973 AUD
View
Retailer 6
-
$3,067 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,110 AUD
View
A
Retailer 8
-
$3,430 AUD
View
B+
Retailer 9
-
$4,027 AUD
View
Most Expensive
B
NZ Jewellers
ee241b01-f8a3-445a-b375-e8702bda0781 · Nov 5
$6,214 AUD
$4,350 USD
View
9 more retailers have this diamond
Prices start from $2,211 AUDSave up to $4,003 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
$2,211 AUD