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Round|Natural|GIA

1.51ct K I2 Round Natural Diamond

EX • K/I2 • GIA 1459159415

Certificate GIA 1459159415

Diamond specifications and retailer prices

From $3,024 NZD
As of November 5, 2026
Save $5,004 NZD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,028 NZD at NZ Jewellers · As of November 2, 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 I2 clarity (included), with a top-tier cut grade and certified by GIA 1459159415. Listed at 8 retailers as of November 2, 2026, with prices from $3,024 to $8,028, a $5,004 spread on the same certified stone. NZ Jewellers lists it at $8,028. 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
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1459159415
Dimensions7.31 × 7.26 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural, Needle, Natural
Top View
7.31 mm7.26 mm1.51 ctK / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1459159415
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: $8,028 NZD|Low: $3,024 NZD|High: $8,028 NZD|Avg: $4,176 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 7$3,024 NZD
Retailer 4$3,291 NZD
Retailer 6$3,319 NZD
Retailer 3$3,444 NZD
Retailer 5$3,798 NZD
Retailer 2$4,499 NZD
NZ Jewellers$8,028 NZD

22 data points across 7 retailers

8 retailers$3,024 NZD to $8,028 NZD

A
Cheapest Retailer
-
$3,024 NZD
A
Retailer 2
-
$3,291 NZD
View
Retailer 3
-
$3,319 NZD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$3,444 NZD
View
B+
Retailer 5
-
$3,472 NZD
View
B+
Retailer 6
-
$3,798 NZD
View
B+
Retailer 7
-
$4,499 NZD
View
Most Expensive
B
NZ Jewellers
8dacc919-c4f6-44da-8819-8264e09ba70f · Nov 2
$8,028 NZD
$4,513 USD
View
7 more retailers have this diamond
Prices start from $3,024 NZDSave up to $5,004 NZD

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
$3,024 NZD