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Round|Natural|GIA

1.51ct M I1 Round Natural Diamond

EX • M/I1 • GIA 5533800291

Certificate GIA 5533800291

Diamond specifications and retailer prices

From $4,666 NZD
As of November 5, 2026
Save $5,353 NZD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,019 NZD 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 5533800291. Listed at 8 retailers as of November 5, 2026, with prices from $4,666 to $10,019, a $5,353 spread on the same certified stone. NZ Jewellers lists it at $10,019. 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
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5533800291
Dimensions7.34 × 7.29 × 4.55 mm
L/W Ratio1.01
Top View
7.34 mm7.29 mm1.51 ctM / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5533800291
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 62.2%

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 5
Current: $10,019 NZD|Low: $4,666 NZD|High: $10,572 NZD|Avg: $6,253 NZD|-5.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$4,666 NZD
Retailer 7$4,824 NZD
Retailer 4$5,210 NZD
Retailer 6$5,210 NZD
Retailer 5$5,411 NZD
Retailer 3$6,011 NZD
Retailer 2$6,678 NZD
NZ Jewellers$10,019 NZD

17 data points across 8 retailers

8 retailers$4,666 NZD to $10,019 NZD

B+
Cheapest Retailer
-
$4,666 NZD
B+
Retailer 2
-
$4,824 NZD
View
Retailer 3
-
$5,210 NZD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$5,210 NZD
View
B
Retailer 5
-
$5,411 NZD
View
B
Retailer 6
-
$6,011 NZD
View
B
Retailer 7
-
$6,678 NZD
View
Most Expensive
C
NZ Jewellers
21a5dd8e-cfef-404e-aaf0-c8c8891507db · Nov 5
$10,019 NZD
$5,632 USD
View
7 more retailers have this diamond
Prices start from $4,666 NZDSave up to $5,353 NZD

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
$4,666 NZD