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Round|Natural|GIA

1.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 7508361844

Certificate GIA 7508361844

Diamond specifications and retailer prices

From €2,399 EUR
As of November 4, 2026
Save €3,202 EUR (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,601 EUR 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7508361844. Listed at 13 retailers as of November 4, 2026, with prices from €2,399 to €5,601, a €3,202 spread on the same certified stone. NZ Jewellers lists it at €5,601. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7508361844
Dimensions7.30 × 7.35 × 4.62 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Feather, Twinning Wisp, Crystal, Needle
Top View
7.30 mm7.35 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7508361844
Side View
Table 56.0%Crown 34.5°Girdle: STK-MEDPavilion 41.6°Culet: NoneDepth 63.0%

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 4
Current: €5,601 EUR|Low: €2,399 EUR|High: €5,601 EUR|Avg: €3,122 EUR
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 7€2,399 EUR
Retailer 9€2,474 EUR
Retailer 11€2,679 EUR
Retailer 12€2,679 EUR
Retailer 6€2,782 EUR
Retailer 4€2,806 EUR
Retailer 5€2,934 EUR
Retailer 8€3,061 EUR
Retailer 10€3,092 EUR
Retailer 3€3,188 EUR
Retailer 2€3,536 EUR
NZ Jewellers€5,601 EUR

35 data points across 12 retailers

13 retailers€2,399 EUR to €5,601 EUR

B+
Cheapest Retailer
-
€2,399 EUR
B+
Retailer 2
-
€2,474 EUR
View
Retailer 3
-
€2,679 EUR
View
Price last confirmed 60 days ago
Retailer 4
-
€2,679 EUR
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€2,679 EUR
View
B+
Retailer 6
-
€2,782 EUR
View
B+
Retailer 7
-
€2,806 EUR
View
B+
Retailer 8
-
€2,934 EUR
View
B
Retailer 9
-
€3,061 EUR
View
Retailer 10
-
€3,092 EUR
View
Price last confirmed 60 days ago
B
Retailer 11
-
€3,092 EUR
View
B
Retailer 12
-
€3,536 EUR
View
Most Expensive
C
NZ Jewellers
c14ff665-9328-4d6b-9dba-aea7e48398d8 · Nov 5
€5,601 EUR
$6,287 USD
View
12 more retailers have this diamond
Prices start from €2,399 EURSave up to €3,202 EUR

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
€2,399 EUR