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Round|Natural|GIA

1.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 5516507747

Certificate GIA 5516507747

Diamond specifications and retailer prices

From €2,412 EUR
As of November 5, 2026
Save €3,219 EUR (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,631 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5516507747. Listed at 13 retailers as of November 5, 2026, with prices from €2,412 to €5,631, a €3,219 spread on the same certified stone. NZ Jewellers lists it at €5,631. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5516507747
Dimensions7.26 × 7.29 × 4.48 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.26 mm7.29 mm1.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5516507747
Side View
Table 60.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.6%

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: €5,631 EUR|Low: €1,646 EUR|High: €5,631 EUR|Avg: €2,932 EUR|+19.4%
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€2,061 EUR
Retailer 10€2,412 EUR
Retailer 6€2,486 EUR
Retailer 9€2,486 EUR
Retailer 3€2,693 EUR
Retailer 11€2,693 EUR
Retailer 8€2,797 EUR
Retailer 12€2,820 EUR
Retailer 4€3,108 EUR
Retailer 5€3,129 EUR
Retailer 2€3,555 EUR
NZ Jewellers€5,631 EUR

41 data points across 12 retailers

13 retailers€2,412 EUR to €5,631 EUR

Retailer 1
-
€2,061 EUR
Price last confirmed 9 days ago
B+
Retailer 2
-
€2,412 EUR
View
B+
Retailer 3
-
€2,486 EUR
View
B+
Retailer 4
-
€2,486 EUR
View
Final sale: no returns
Retailer 5
-
€2,516 EUR
View
Price last confirmed 68 days ago
B+
Retailer 6
-
€2,693 EUR
View
Retailer 7
-
€2,693 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€2,797 EUR
View
B+
Retailer 9
-
€2,820 EUR
View
B
Retailer 10
-
€3,108 EUR
View
B
Retailer 11
-
€3,129 EUR
View
B
Retailer 12
-
€3,555 EUR
View
Most Expensive
C
NZ Jewellers
46d3eabe-5e72-44fe-9fa0-2accdc5cbdc9 · Nov 5
€5,631 EUR
$6,320 USD
View
12 more retailers have this diamond
Prices start from €2,412 EURSave up to €3,219 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+
1.50ct Round
€2,412 EUR