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Round|Natural|GIA

1.51ct K IF Round Natural Diamond

EX • K/IF • GIA 2494357452

Certificate GIA 2494357452

Diamond specifications and retailer prices

From $8,395 AUD
As of November 5, 2026
Save $7,548 AUD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $15,943 AUD 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2494357452. Listed at 8 retailers as of November 5, 2026, with prices from $8,395 to $15,943, a $7,548 spread on the same certified stone. NZ Jewellers lists it at $15,943. 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 angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2494357452
Dimensions7.30 × 7.34 × 4.56 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.30 mm7.34 mm1.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2494357452
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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: $15,943 AUD|Low: $8,052 AUD|High: $15,943 AUD|Avg: $11,345 AUD|+4.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5$8,395 AUD
Retailer 10$9,145 AUD
Retailer 8$9,532 AUD
Retailer 6$9,680 AUD
Retailer 11$9,680 AUD
Retailer 2$10,345 AUD
Retailer 7$10,999 AUD
Retailer 9$12,119 AUD
Retailer 4$14,005 AUD
Retailer 3$14,772 AUD
NZ Jewellers$15,943 AUD

25 data points across 11 retailers

8 retailers$8,395 AUD to $15,943 AUD

A
Cheapest Retailer
-
$8,395 AUD
B+
Retailer 2
-
$9,532 AUD
View
B+
Retailer 3
-
$9,680 AUD
View
B+
Retailer 4
-
$10,345 AUD
View
B+
Retailer 5
-
$10,999 AUD
View
B+
Retailer 6
-
$12,119 AUD
View
B
Retailer 7
-
$14,005 AUD
View
Most Expensive
B
NZ Jewellers
82e85d4d-80a4-4ba5-a299-c3de78db5479 · Nov 5
$15,943 AUD
$11,161 USD
View
7 more retailers have this diamond
Prices start from $8,395 AUDSave up to $7,548 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
$8,395 AUD