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Round|Natural|GIA

1.50ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 6501366436

Certificate GIA 6501366436

Diamond specifications and retailer prices

From €1,916 EUR
As of November 6, 2026
Save €3,206 EUR (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,121 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6501366436. Listed at 15 retailers as of November 5, 2026, with prices from €1,916 to €5,121, a €3,206 spread on the same certified stone. NZ Jewellers lists it at €5,121. 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

1.50
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6501366436
Dimensions7.26 × 7.30 × 4.57 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.26 mm7.30 mm1.50 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6501366436
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: €5,121 EUR|Low: €1,892 EUR|High: €5,121 EUR|Avg: €2,703 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
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 11€1,916 EUR
Retailer 2€1,940 EUR
Retailer 6€2,194 EUR
Retailer 4€2,406 EUR
Retailer 3€2,449 EUR
Retailer 13€2,449 EUR
Retailer 15€2,449 EUR
Retailer 14€2,544 EUR
Retailer 12€2,575 EUR
Retailer 8€2,667 EUR
Retailer 5€2,826 EUR
Retailer 10€2,984 EUR
Retailer 9€2,989 EUR
Retailer 7€3,705 EUR
NZ Jewellers€5,121 EUR

35 data points across 15 retailers

15 retailers€1,916 EUR to €5,121 EUR

A
Cheapest Retailer
-
€1,916 EUR
A
Retailer 2
-
€1,940 EUR
View
A
Retailer 3
-
€2,194 EUR
View
B+
Retailer 4
-
€2,406 EUR
View
Retailer 5
-
€2,449 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€2,449 EUR
View
B+
Retailer 7
-
€2,449 EUR
View
B+
Retailer 8
-
€2,544 EUR
View
B+
Retailer 9
-
€2,575 EUR
View
B+
Retailer 10
-
€2,667 EUR
View
B+
Retailer 11
-
€2,826 EUR
View
B+
Retailer 12
-
€2,984 EUR
View
B+
Retailer 13
-
€2,989 EUR
View
B
Retailer 14
-
€3,705 EUR
View
Most Expensive
C
NZ Jewellers
7b91fc11-c002-403c-bb64-d19130b7a9df · Nov 5
€5,121 EUR
$5,748 USD
View
14 more retailers have this diamond
Prices start from €1,916 EURSave up to €3,206 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
1.50ct Round
€1,916 EUR