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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 1226746537

Certificate GIA 1226746537

Diamond specifications and retailer prices

From €5,580 EUR
$6,234 USD
As of October 30, 2026
Save €6,987 EUR (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €12,567 EUR at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1226746537. Listed at 19 retailers as of October 30, 2026, with prices from €5,580 to €12,567, a €6,987 spread on the same certified stone. NZ Jewellers lists it at €12,567. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1226746537
Dimensions7.35 × 7.31 × 4.52 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds, pinpoints and surface graining are not shown.
Key to symbols
Cloud, Feather, Crystal, Needle, Indented Natural
Top View
7.35 mm7.31 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1226746537
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.9%

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: Oct 30
Current: €12,567 EUR|Low: €5,459 EUR|High: €12,567 EUR|Avg: €7,606 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 9€5,580 EUR
Retailer 6€5,639 EUR
Retailer 3€6,284 EUR
Retailer 7€6,284 EUR
Retailer 10€6,807 EUR
Retailer 8€6,912 EUR
Retailer 2€7,045 EUR
Retailer 4€7,802 EUR
Retailer 11€7,854 EUR
Retailer 5€10,528 EUR
NZ Jewellers€12,567 EUR

38 data points across 11 retailers

19 retailers€5,580 EUR to €12,567 EUR

B+
Cheapest Retailer
-
€5,580 EUR
$6,234 USD
Retailer 2
-
€5,639 EUR
$6,300 USD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
€5,679 EUR
$6,345 USD
View
B+
Retailer 4
-
€5,848 EUR
A$10,051 AUD
View
B+
Retailer 5
-
€5,937 EUR
$6,633 USD
View
B+
Retailer 6
-
€6,284 EUR
$7,020 USD
View
B
Retailer 7
-
€6,284 EUR
$7,020 USD
View
Final sale: no returns
B
Retailer 8
-
€6,692 EUR
$7,476 USD
View
B+
Retailer 9
-
€6,807 EUR
$7,605 USD
View
B+
Retailer 10
-
€6,912 EUR
$7,722 USD
View
B+
Retailer 11
-
€7,045 EUR
£6,198 GBP
View
B
Retailer 12
-
€7,420 EUR
$8,290 USD
View
B
Retailer 13
-
€7,420 EUR
$8,290 USD
View
B
Retailer 14
-
€7,662 EUR
$8,560 USD
View
B
Retailer 15
-
€7,802 EUR
View
B
Retailer 16
-
€7,854 EUR
$8,775 USD
View
Retailer 17
-
€8,276 EUR
$9,246 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
€10,528 EUR
£9,261 GBP
View
Most Expensive
B
NZ Jewellers
bce9b288-bbd7-49aa-8d67-ae191e7ce395 · Oct 30
€12,567 EUR
$14,040 USD
View
18 more retailers have this diamond
Prices start from €5,580 EURSave up to €6,987 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
€5,580 EUR