Round|Natural|GIA

1.51ct K I1 Round Natural Diamond

EX • K/I1 • GIA 5563465369

Certificate GIA 5563465369

Diamond specifications and retailer prices

From $1,548 USD
As of November 6, 2026
Save $2,802 USD (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,350 USD 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 5563465369. Listed at 10 retailers as of November 5, 2026, with prices from $1,548 to $4,350, a $2,802 spread on the same certified stone. NZ Jewellers lists it at $4,350. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563465369
Dimensions7.36 × 7.39 × 4.53 mm
L/W Ratio1.00
Top View
7.36 mm7.39 mm1.51 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563465369
Side View
Table 58.0%CrownGirdle: Med. - Sli. ThickPavilionCulet: NoneDepth 61.4%

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: $4,350 USD|Low: $1,548 USD|High: $4,903 USD|Avg: $2,466 USD|-11.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6$1,548 USD
Retailer 7$1,805 USD
Retailer 4$1,879 USD
Retailer 10$2,063 USD
Retailer 3$2,081 USD
Retailer 9$2,147 USD
Retailer 5$2,177 USD
Retailer 8$2,401 USD
Retailer 2$2,819 USD
NZ Jewellers$4,350 USD

25 data points across 10 retailers

10 retailers$1,548 USD to $4,350 USD

A
Cheapest Retailer
-
$1,548 USD
A
Retailer 2
-
$1,805 USD
View
A
Retailer 3
-
$1,879 USD
View
A
Retailer 4
-
$2,063 USD
View
A
Retailer 5
-
$2,081 USD
View
Retailer 6
-
$2,147 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$2,177 USD
View
A
Retailer 8
-
$2,401 USD
View
B+
Retailer 9
-
$2,819 USD
View
Most Expensive
B
NZ Jewellers
ee241b01-f8a3-445a-b375-e8702bda0781 · Nov 5
$4,350 USD
View
9 more retailers have this diamond
Prices start from $1,548 USDSave up to $2,802 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
$1,548 USD