CaratHunter
Plans
Round|Natural|GIA

1.51ct M IF Round Natural Diamond

EX • M/IF • GIA 1389319838

Certificate GIA 1389319838

Diamond specifications and retailer prices

From $5,085 AUD
As of November 5, 2026
Save $4,983 AUD (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,068 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 M colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1389319838. Listed at 11 retailers as of November 5, 2026, with prices from $5,085 to $10,068, a $4,983 spread on the same certified stone. NZ Jewellers lists it at $10,068. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
M
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1389319838
Dimensions7.25 × 7.31 × 4.53 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.25 mm7.31 mm1.51 ctM / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1389319838
Side View
Table 57.0%Crown 35.5°Girdle: NUL-NULPavilion 40.6°CuletDepth 62.2%

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: $10,068 AUD|Low: $5,085 AUD|High: $26,180 AUD|Avg: $8,089 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$5,085 AUD
Retailer 3$5,293 AUD
Retailer 11$5,507 AUD
Retailer 2$5,720 AUD
Retailer 8$5,778 AUD
Retailer 9$5,778 AUD
Retailer 10$5,778 AUD
Retailer 5$6,343 AUD
Retailer 7$6,668 AUD
Retailer 6$7,053 AUD
NZ Jewellers$10,068 AUD
Retailer 4$26,180 AUD

29 data points across 12 retailers

11 retailers$5,085 AUD to $10,068 AUD

A
Cheapest Retailer
-
$5,085 AUD
A
Retailer 2
-
$5,293 AUD
View
A
Retailer 3
-
$5,507 AUD
View
A
Retailer 4
-
$5,720 AUD
View
A
Retailer 5
-
$5,778 AUD
View
Retailer 6
-
$5,778 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$5,778 AUD
View
A
Retailer 8
-
$6,343 AUD
View
B+
Retailer 9
-
$6,668 AUD
View
B+
Retailer 10
-
$7,053 AUD
View
Most Expensive
B
NZ Jewellers
011e2740-c3eb-4817-b549-ee0ae43ff5be · Nov 5
$10,068 AUD
$7,048 USD
View
10 more retailers have this diamond
Prices start from $5,085 AUDSave up to $4,983 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
$5,085 AUD