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Round|Natural|GIA

1.51ct K I1 Round Natural Diamond

EX • K/I1 • GIA 2416348482

Certificate GIA 2416348482

Diamond specifications and retailer prices

From $3,346 AUD
As of November 6, 2026
Save $4,484 AUD (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,830 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 2416348482. Listed at 9 retailers as of November 5, 2026, with prices from $3,346 to $7,830, a $4,484 spread on the same certified stone. NZ Jewellers lists it at $7,830. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2416348482
Dimensions7.35 × 7.30 × 4.58 mm
L/W Ratio1.01
Top View
7.35 mm7.30 mm1.51 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2416348482
Side View
Table 56.0%CrownGirdlePavilionCulet: NoneDepth 62.6%

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 6
Current: $7,830 AUD|Low: $3,327 AUD|High: $7,830 AUD|Avg: $4,770 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4$3,346 AUD
Retailer 3$3,718 AUD
Retailer 11$4,026 AUD
Retailer 9$4,134 AUD
Retailer 5$4,494 AUD
Retailer 7$4,494 AUD
Retailer 6$4,667 AUD
Retailer 8$5,185 AUD
Retailer 2$5,221 AUD
Retailer 10$5,447 AUD
NZ Jewellers$7,830 AUD

18 data points across 11 retailers

9 retailers$3,346 AUD to $7,830 AUD

B+
Cheapest Retailer
-
$3,346 AUD
B+
Retailer 2
-
$4,026 AUD
View
B+
Retailer 3
-
$4,134 AUD
View
B+
Retailer 4
-
$4,494 AUD
View
Retailer 5
-
$4,494 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,667 AUD
View
B+
Retailer 7
-
$5,185 AUD
View
B+
Retailer 8
-
$5,221 AUD
View
Most Expensive
B
NZ Jewellers
904d0a97-e942-4d7a-b8f6-165c807bffa8 · Nov 5
$7,830 AUD
$5,481 USD
View
8 more retailers have this diamond
Prices start from $3,346 AUDSave up to $4,484 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+
1.51ct Round
$3,346 AUD