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Round|Natural|GIA

1.51ct K IF Round Natural Diamond

VG • K/IF • GIA 2566514069

Certificate GIA 2566514069

Diamond specifications and retailer prices

From $4,717 AUD
As of November 6, 2026
Save $4,146 AUD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,862 AUD at With Clarity · As of November 4, 2026
View at With Clarity

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 very-good cut grade and certified by GIA 2566514069. Listed at 8 retailers as of November 4, 2026, with prices from $4,717 to $8,862, a $4,146 spread on the same certified stone. With Clarity lists it at $8,862. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
K
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle37°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566514069
Dimensions7.19 × 7.17 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Natural
Top View
7.19 mm7.17 mm1.51 ctK / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2566514069
Side View
Table 58.0%Crown 37°Girdle: ThickPavilion 40.6°Culet: NDepth 63.8%

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: $5,935 AUD|Low: $4,663 AUD|High: $8,862 AUD|Avg: $6,237 AUD|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
November 6, 2026
Retailer 4$4,717 AUD
Retailer 3$4,945 AUD
Retailer 7$5,615 AUD
Retailer 5$5,635 AUD
Retailer 1$5,935 AUD
Retailer 6$6,314 AUD
Retailer 2$7,075 AUD
With Clarity$8,862 AUD

11 data points across 8 retailers

8 retailers$4,717 AUD to $8,862 AUD

A
Cheapest Retailer
-
$4,717 AUD
A
Retailer 2
-
$4,945 AUD
View
A
Retailer 3
-
$5,615 AUD
View
A
Retailer 4
-
$5,635 AUD
View
A
Retailer 5
-
$5,935 AUD
View
B+
Retailer 6
-
$6,314 AUD
View
A
Retailer 7
-
$7,075 AUD
View
Most Expensive
B+
With Clarity
2566514069 · Nov 4
$8,862 AUD
$6,204 USD
View
7 more retailers have this diamond
Prices start from $4,717 AUDSave up to $4,146 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.

A
1.51ct Round
$4,717 AUD