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Round|Natural|GIA

1.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6561676300

Certificate GIA 6561676300

Diamond specifications and retailer prices

From €1,996 EUR
As of November 6, 2026
Save €3,606 EUR (64%) 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 6561676300. Listed at 13 retailers as of November 5, 2026, with prices from €1,996 to €5,601, a €3,606 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 angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6561676300
Dimensions7.24 × 7.30 × 4.62 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather, Needle, Natural
Top View
7.24 mm7.30 mm1.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561676300
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.5%

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 6
Current: €5,601 EUR|Low: €1,996 EUR|High: €5,601 EUR|Avg: €2,995 EUR|+15.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 11€1,996 EUR
Retailer 9€2,399 EUR
Retailer 4€2,410 EUR
Retailer 5€2,573 EUR
Retailer 8€2,679 EUR
Retailer 10€2,782 EUR
Retailer 3€2,797 EUR
Retailer 6€2,806 EUR
Retailer 13€3,001 EUR
Retailer 12€3,092 EUR
Retailer 7€3,111 EUR
Retailer 2€3,536 EUR
NZ Jewellers€5,601 EUR

12 data points across 13 retailers

13 retailers€1,996 EUR to €5,601 EUR

A
Cheapest Retailer
-
€1,996 EUR
B+
Retailer 2
-
€2,399 EUR
View
B+
Retailer 3
-
€2,410 EUR
View
B+
Retailer 4
-
€2,573 EUR
View
B+
Retailer 5
-
€2,679 EUR
View
B+
Retailer 6
-
€2,782 EUR
View
Retailer 7
-
€2,797 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€2,806 EUR
View
B+
Retailer 9
-
€3,001 EUR
View
B+
Retailer 10
-
€3,092 EUR
View
B+
Retailer 11
-
€3,111 EUR
View
B
Retailer 12
-
€3,536 EUR
View
Most Expensive
C
NZ Jewellers
16af0689-024b-484a-978b-e88b7ce78d30 · Nov 5
€5,601 EUR
$6,287 USD
View
12 more retailers have this diamond
Prices start from €1,996 EURSave up to €3,606 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.

A
1.51ct Round
€1,996 EUR