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Round|Natural|GIA

1.51ct M I1 Round Natural Diamond

EX • M/I1 • GIA 6542317988

Certificate GIA 6542317988

Diamond specifications and retailer prices

From $3,364 AUD
As of November 6, 2026
Save $4,603 AUD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,967 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 6542317988. Listed at 7 retailers as of November 5, 2026, with prices from $3,364 to $7,967, a $4,603 spread on the same certified stone. NZ Jewellers lists it at $7,967. 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542317988
Dimensions7.24 × 7.29 × 4.56 mm
L/W Ratio1.01
Top View
7.24 mm7.29 mm1.51 ctM / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6542317988
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°CuletDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,967 AUD|Low: $3,327 AUD|High: $7,967 AUD|Avg: $5,382 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$3,364 AUD
Retailer 7$4,096 AUD
Retailer 5$4,573 AUD
Retailer 4$4,748 AUD
Retailer 6$5,275 AUD
Retailer 2$5,311 AUD
Retailer 8$5,441 AUD
Retailer 9$7,660 AUD
NZ Jewellers$7,967 AUD

23 data points across 9 retailers

7 retailers$3,364 AUD to $7,967 AUD

B+
Cheapest Retailer
-
$3,364 AUD
B
Retailer 2
-
$4,096 AUD
View
Retailer 3
-
$4,573 AUD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$4,748 AUD
View
B
Retailer 5
-
$5,275 AUD
View
B
Retailer 6
-
$5,311 AUD
View
Most Expensive
C
NZ Jewellers
a14c2c67-b725-417e-a55e-4250e00f81a8 · Nov 5
$7,967 AUD
$5,577 USD
View
6 more retailers have this diamond
Prices start from $3,364 AUDSave up to $4,603 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.

B+
1.51ct Round
$3,364 AUD