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Round|Natural|GIA

1.50ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2557356180

Certificate GIA 2557356180

Diamond specifications and retailer prices

From €2,820 EUR
As of November 6, 2026
Save €3,918 EUR (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €6,737 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557356180. Listed at 7 retailers as of November 5, 2026, with prices from €2,820 to €6,737, a €3,918 spread on the same certified stone. NZ Jewellers lists it at €6,737. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2557356180
Dimensions7.24 × 7.28 × 4.50 mm
L/W Ratio1.01
Key to symbols
Feather, Crystal, Needle, Pinpoint
Top View
7.24 mm7.28 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557356180
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.0%

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: €6,737 EUR|Low: €2,820 EUR|High: €7,202 EUR|Avg: €4,668 EUR|-6.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2€2,820 EUR
Retailer 3€3,555 EUR
Retailer 6€3,867 EUR
Retailer 7€3,867 EUR
Retailer 4€4,381 EUR
Retailer 5€6,142 EUR
NZ Jewellers€6,737 EUR

33 data points across 7 retailers

7 retailers€2,820 EUR to €6,737 EUR

A
Cheapest Retailer
-
€2,820 EUR
A
Retailer 2
-
€3,555 EUR
View
A
Retailer 3
-
€3,867 EUR
View
A
Retailer 4
-
€3,867 EUR
View
A
Retailer 5
-
€4,381 EUR
View
B+
Retailer 6
-
€6,142 EUR
View
Most Expensive
B
NZ Jewellers
790f15a6-c248-4e9e-9255-f1ed77dfcb14 · Nov 5
€6,737 EUR
$7,522 USD
View
6 more retailers have this diamond
Prices start from €2,820 EURSave up to €3,918 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
€2,820 EUR