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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2537064163

Certificate GIA 2537064163

Diamond specifications and retailer prices

From €4,769 EUR
As of November 1, 2026
Save €5,893 EUR (55%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €10,662 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2537064163. Listed at 27 retailers as of November 1, 2026, with prices from €4,769 to €10,662, a €5,893 spread on the same certified stone. NZ Jewellers lists it at €10,662. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2537064163
Dimensions7.33 × 7.39 × 4.50 mm
L/W Ratio1.01
Star length50%
Top View
7.33 mm7.39 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537064163
Side View
Table 57.0%Crown 32°Girdle: Medium to Slightly ThickPavilion 41.4°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €10,662 EUR|Low: €4,769 EUR|High: €10,662 EUR|Avg: €6,169 EUR
NZ Jewellers
Retailer 2
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Retailer 26
Retailer 27
November 6, 2026
Retailer 4€4,769 EUR
Retailer 7€4,831 EUR
Retailer 8€4,896 EUR
Retailer 14€5,037 EUR
Retailer 26€5,042 EUR
Retailer 9€5,103 EUR
Retailer 15€5,330 EUR
Retailer 3€5,365 EUR
Retailer 20€5,514 EUR
Retailer 17€5,644 EUR
Retailer 10€5,687 EUR
Retailer 5€5,775 EUR
Retailer 6€5,775 EUR
Retailer 11€5,775 EUR
Retailer 18€5,881 EUR
Retailer 25€5,882 EUR
Retailer 13€6,013 EUR
Retailer 27€6,187 EUR
Retailer 19€6,296 EUR
Retailer 2€6,520 EUR
Retailer 16€6,520 EUR
Retailer 12€6,664 EUR
Retailer 21€6,772 EUR
Retailer 22€7,778 EUR
Retailer 24€9,242 EUR
Retailer 23€9,366 EUR
NZ Jewellers€10,662 EUR

31 data points across 27 retailers

27 retailers€4,769 EUR to €10,662 EUR

A
Cheapest Retailer
-
€4,769 EUR
A
Retailer 2
-
€4,831 EUR
View
A
Retailer 3
-
€4,896 EUR
View
B+
Retailer 4
-
€5,037 EUR
View
B+
Retailer 5
-
€5,042 EUR
View
B+
Retailer 6
-
€5,103 EUR
View
B+
Retailer 7
-
€5,330 EUR
View
Final sale: no returns
B+
Retailer 8
-
€5,365 EUR
View
B+
Retailer 9
-
€5,514 EUR
View
B+
Retailer 10
-
€5,644 EUR
View
B+
Retailer 11
-
€5,687 EUR
View
Retailer 12
-
€5,775 EUR
View
Price last confirmed 9 days ago
B+
Retailer 13
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€5,775 EUR
View
B+
Retailer 14
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€5,775 EUR
View
Retailer 15
-
€5,881 EUR
View
Price last confirmed 23 days ago
B+
Retailer 16
-
€5,882 EUR
View
B+
Retailer 17
-
€6,013 EUR
View
Retailer 18
-
€6,187 EUR
View
Price last confirmed 16 days ago
B
Retailer 19
-
€6,296 EUR
View
B+
Retailer 20
-
€6,520 EUR
View
B
Retailer 21
-
€6,520 EUR
View
B
Retailer 22
-
€6,664 EUR
View
B+
Retailer 23
-
€6,772 EUR
View
B
Retailer 24
-
€7,778 EUR
View
B
Retailer 25
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€9,242 EUR
View
B
Retailer 26
-
€9,366 EUR
View
Most Expensive
B
NZ Jewellers
7b07b6b6-6dda-4fb1-b157-9c3c62e51643 · Nov 5
€10,662 EUR
$11,904 USD
View
26 more retailers have this diamond
Prices start from €4,769 EURSave up to €5,893 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
€4,769 EUR