Round|Natural|GIA

1.50ct D SI2 Round Natural Diamond

ID • D/SI2 • GIA 326

Certificate GIA 326

Diamond specifications and retailer prices

From €4,330 EUR
As of October 31, 2026
Save €902 EUR (17%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €7,215 EUR at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 4 retailers as of October 31, 2026, with a relatively tight 21% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 326
Dimensions7.41 × 7.46 × 4.47 mm
L/W Ratio1.01
Top View
7.41 mm7.46 mm1.50 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 326
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €7,215 EUR|Low: €3,735 EUR|High: €7,860 EUR|Avg: €5,059 EUR|-8.2%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 5€3,735 EUR
Retailer 9€3,819 EUR
Retailer 6€4,199 EUR
Retailer 2€4,330 EUR
Retailer 3€4,437 EUR
Retailer 7€4,845 EUR
Retailer 4€5,232 EUR
Helzberg Diamonds€7,215 EUR
Retailer 8€7,315 EUR

25 data points across 9 retailers

4 retailers€4,330 EUR to €5,232 EUR

A
Cheapest Retailer
-
€4,330 EUR
Retailer 2
-
€4,437 EUR
View
Price last confirmed 9 days ago
A
Retailer 3
-
€5,232 EUR
View
Most Expensive
Helzberg Diamonds
XZRIIKLGLJOLM · Oct 30
€7,215 EUR
$8,098 USD
View
Price last confirmed 7 days ago
3 more retailers have this diamond
Prices start from €4,330 EURSave up to €902 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
€4,330 EUR