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Round|Natural|GIA

1.50ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6531235342

Certificate GIA 6531235342

Diamond specifications and retailer prices

From €4,142 EUR
$4,627 USD
As of October 30, 2026
Save €5,024 EUR (55%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €9,166 EUR at NZ Jewellers · As of October 27, 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 6531235342. Listed at 22 retailers as of October 27, 2026, with prices from €4,142 to €9,166, a €5,024 spread on the same certified stone. NZ Jewellers lists it at €9,166. 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
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6531235342
Dimensions7.31 × 7.34 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Feather, Crystal, Needle, Natural
Top View
7.31 mm7.34 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6531235342
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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: Oct 30
Current: €9,166 EUR|Low: €3,781 EUR|High: €9,166 EUR|Avg: €5,373 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 14€3,781 EUR
Retailer 10€4,142 EUR
Retailer 7€4,207 EUR
Retailer 9€4,330 EUR
Retailer 11€4,385 EUR
Retailer 6€4,906 EUR
Retailer 8€4,964 EUR
Retailer 18€4,964 EUR
Retailer 19€4,964 EUR
Retailer 21€5,197 EUR
Retailer 15€5,222 EUR
Retailer 12€5,403 EUR
Retailer 3€5,550 EUR
Retailer 20€5,550 EUR
Retailer 2€5,659 EUR
Retailer 5€5,729 EUR
Retailer 16€5,729 EUR
Retailer 13€5,945 EUR
Retailer 4€7,940 EUR
Retailer 17€8,085 EUR
NZ Jewellers€9,166 EUR

32 data points across 21 retailers

22 retailers€4,142 EUR to €9,166 EUR

Retailer 1
-
€3,781 EUR
HK$33,000 HKD
Price last confirmed 51 days ago
A
Retailer 2
-
€4,142 EUR
$4,627 USD
View
Retailer 3
-
€4,207 EUR
$4,700 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
€4,330 EUR
$4,837 USD
View
A
Retailer 5
-
€4,385 EUR
$4,899 USD
View
A
Retailer 6
-
€4,510 EUR
A$7,752 AUD
View
B+
Retailer 7
-
€4,906 EUR
$5,481 USD
View
B+
Retailer 8
-
€4,964 EUR
$5,546 USD
View
B+
Retailer 9
-
€4,964 EUR
$5,546 USD
View
B+
Retailer 10
-
€4,964 EUR
$5,546 USD
View
B+
Retailer 11
-
€5,197 EUR
$5,806 USD
View
B+
Retailer 12
-
€5,222 EUR
£4,594 GBP
View
Retailer 13
-
€5,403 EUR
$6,036 USD
View
Price last confirmed 17 days ago
B+
Retailer 14
-
€5,550 EUR
$6,200 USD
View
B+
Retailer 15
-
€5,550 EUR
$6,200 USD
View
B+
Retailer 16
-
€5,659 EUR
View
B+
Retailer 17
-
€5,729 EUR
$6,400 USD
View
B+
Retailer 18
-
€5,729 EUR
$6,400 USD
View
B+
Retailer 19
-
€5,945 EUR
£5,230 GBP
View
B
Retailer 20
-
€7,940 EUR
$8,870 USD
View
B
Retailer 21
-
€8,085 EUR
£7,112 GBP
View
Most Expensive
B
NZ Jewellers
6a24d490-60d2-49bc-afd6-38d392c3b7e6 · Oct 27
€9,166 EUR
$10,240 USD
View
21 more retailers have this diamond
Prices start from €4,142 EURSave up to €5,024 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
€4,142 EUR