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Round|Natural|GIA

1.51ct K I1 Round Natural Diamond

EX • K/I1 • GIA 1468555297

Certificate GIA 1468555297

Diamond specifications and retailer prices

From $3,116 AUD
As of November 5, 2026
Save $5,860 AUD (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,975 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 1468555297. Listed at 9 retailers as of November 5, 2026, with prices from $3,116 to $8,975, a $5,860 spread on the same certified stone. NZ Jewellers lists it at $8,975. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1468555297
Dimensions7.37 × 7.34 × 4.55 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle
Top View
7.37 mm7.34 mm1.51 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1468555297
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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 5
Current: $8,975 AUD|Low: $3,108 AUD|High: $8,975 AUD|Avg: $4,698 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$3,116 AUD
Retailer 4$3,126 AUD
Retailer 5$3,768 AUD
Retailer 7$4,293 AUD
Retailer 9$4,293 AUD
Retailer 6$4,458 AUD
Retailer 8$4,953 AUD
Retailer 2$4,987 AUD
NZ Jewellers$8,975 AUD

43 data points across 9 retailers

9 retailers$3,116 AUD to $8,975 AUD

A
Cheapest Retailer
-
$3,116 AUD
A
Retailer 2
-
$3,126 AUD
View
A
Retailer 3
-
$3,768 AUD
View
B+
Retailer 4
-
$4,293 AUD
View
Retailer 5
-
$4,293 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,458 AUD
View
B+
Retailer 7
-
$4,953 AUD
View
B+
Retailer 8
-
$4,987 AUD
View
Most Expensive
B
NZ Jewellers
c3ee069b-1669-4af4-a292-c4b1d417094f · Nov 5
$8,975 AUD
$6,283 USD
View
8 more retailers have this diamond
Prices start from $3,116 AUDSave up to $5,860 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
$3,116 AUD