Round|Natural|GIA

1.51ct K IF Round Natural Diamond

EX • K/IF • GIA 2458383140

Certificate GIA 2458383140

Diamond specifications and retailer prices

From $6,062 USD
As of November 6, 2026
Save $3,436 USD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,811 USD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,062 USD|Low: $6,005 USD|High: $9,638 USD|Avg: $7,149 USD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$6,062 USD
Retailer 5$6,215 USD
Retailer 6$6,299 USD
Retailer 3$7,008 USD
Retailer 2$7,887 USD
Retailer 4$9,498 USD

43 data points across 6 retailers

10 retailers$6,062 USD to $9,498 USD

A
Cheapest Retailer
-
$6,062 USD
A
Retailer 2
-
$6,215 USD
View
Retailer 3
-
$6,464 USD
View
Price last confirmed 29 days ago
Retailer 4
-
$6,464 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$6,464 USD
View
Price last confirmed 38 days ago
B+
Retailer 6
-
$7,008 USD
View
Retailer 7
-
$7,459 USD
View
Price last confirmed 38 days ago
B+
Retailer 8
-
$7,887 USD
View
B+
Retailer 9
-
$9,498 USD
View
Most Expensive
NZ Jewellers
e6627b81-6a3f-40e8-8d63-5a0c66b0ec63 · Sep 28
$10,811 USD
View
Price last confirmed 39 days ago
9 more retailers have this diamond
Prices start from $6,062 USDSave up to $3,436 USD

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
$6,062 USD