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Round|Natural|GIA

1.51ct K IF Round Natural Diamond

EX • K/IF • GIA 2458383140

Certificate GIA 2458383140

Diamond specifications and retailer prices

From $10,784 NZD
As of November 6, 2026
Save $6,112 NZD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $19,232 NZD at NZ Jewellers · As of September 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2458383140. Listed at 10 retailers as of November 4, 2026, with a 57% 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
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2458383140
Dimensions7.34 × 7.30 × 4.53 mm
L/W Ratio1.01
Top View
7.34 mm7.30 mm1.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2458383140
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°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 6
Current: $10,784 NZD|Low: $10,682 NZD|High: $17,145 NZD|Avg: $12,718 NZD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$10,784 NZD
Retailer 5$11,056 NZD
Retailer 6$11,205 NZD
Retailer 3$12,467 NZD
Retailer 2$14,030 NZD
Retailer 4$16,896 NZD

43 data points across 6 retailers

10 retailers$10,784 NZD to $16,896 NZD

A
Cheapest Retailer
-
$10,784 NZD
A
Retailer 2
-
$11,056 NZD
View
Retailer 3
-
$11,499 NZD
View
Price last confirmed 29 days ago
Retailer 4
-
$11,499 NZD
View
Price last confirmed 29 days ago
Retailer 5
-
$11,499 NZD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$12,467 NZD
View
Retailer 7
-
$13,269 NZD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$14,030 NZD
View
B+
Retailer 9
-
$16,896 NZD
View
Most Expensive
NZ Jewellers
e6627b81-6a3f-40e8-8d63-5a0c66b0ec63 · Sep 28
$19,232 NZD
$10,811 USD
View
Price last confirmed 39 days ago
9 more retailers have this diamond
Prices start from $10,784 NZDSave up to $6,112 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
$10,784 NZD