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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 $2,623 USD
As of November 5, 2026
Save $3,009 USD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,632 USD 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 $2,623 to $5,632, a $3,009 spread on the same certified stone. NZ Jewellers lists it at $5,632. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,632 USD|Low: $2,623 USD|High: $5,943 USD|Avg: $3,515 USD|-5.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$2,623 USD
Retailer 7$2,712 USD
Retailer 4$2,929 USD
Retailer 6$2,929 USD
Retailer 5$3,042 USD
Retailer 3$3,379 USD
Retailer 2$3,754 USD
NZ Jewellers$5,632 USD

17 data points across 8 retailers

8 retailers$2,623 USD to $5,632 USD

B+
Cheapest Retailer
-
$2,623 USD
B+
Retailer 2
-
$2,712 USD
View
Retailer 3
-
$2,929 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$2,929 USD
View
B
Retailer 5
-
$3,042 USD
View
B
Retailer 6
-
$3,379 USD
View
B
Retailer 7
-
$3,754 USD
View
Most Expensive
C
NZ Jewellers
21a5dd8e-cfef-404e-aaf0-c8c8891507db · Nov 5
$5,632 USD
View
7 more retailers have this diamond
Prices start from $2,623 USDSave up to $3,009 USD

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
$2,623 USD