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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2527673497

Certificate GIA 2527673497

Diamond specifications and retailer prices

From €4,173 EUR
As of November 6, 2026
Save €4,870 EUR (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €9,043 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 2527673497. Listed at 25 retailers as of November 5, 2026, with prices from €4,173 to €9,043, a €4,870 spread on the same certified stone. NZ Jewellers lists it at €9,043. 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 angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2527673497
Dimensions7.31 × 7.26 × 4.51 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.31 mm7.26 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2527673497
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.8%

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: €9,043 EUR|Low: €3,978 EUR|High: €9,043 EUR|Avg: €5,709 EUR|+4.1%
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
Retailer 22
Retailer 23
November 6, 2026
Retailer 10€4,173 EUR
Retailer 2€4,211 EUR
Retailer 16€4,577 EUR
Retailer 18€4,627 EUR
Retailer 9€4,715 EUR
Retailer 5€4,973 EUR
Retailer 8€4,991 EUR
Retailer 4€5,038 EUR
Retailer 20€5,187 EUR
Retailer 15€5,191 EUR
Retailer 6€5,338 EUR
Retailer 7€5,406 EUR
Retailer 23€5,406 EUR
Retailer 13€5,530 EUR
Retailer 3€5,546 EUR
Retailer 11€5,586 EUR
Retailer 19€5,745 EUR
Retailer 12€6,238 EUR
Retailer 17€6,596 EUR
Retailer 14€7,924 EUR
Retailer 21€7,944 EUR
Retailer 22€8,145 EUR
NZ Jewellers€9,043 EUR

17 data points across 23 retailers

25 retailers€4,173 EUR to €9,043 EUR

A
Cheapest Retailer
-
€4,173 EUR
A
Retailer 2
-
€4,211 EUR
View
A
Retailer 3
-
€4,545 EUR
View
Retailer 4
-
€4,577 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
-
€4,627 EUR
View
B+
Retailer 6
-
€4,715 EUR
View
A
Retailer 7
-
€4,973 EUR
View
A
Retailer 8
-
€4,991 EUR
View
Final sale: no returns
B+
Retailer 9
-
€5,038 EUR
View
B+
Retailer 10
-
€5,187 EUR
View
Retailer 11
-
€5,191 EUR
View
Price last confirmed 9 days ago
B+
Retailer 12
-
€5,338 EUR
View
Retailer 13
-
€5,344 EUR
View
Price last confirmed 29 days ago
B+
Retailer 14
-
€5,406 EUR
View
B+
Retailer 15
-
€5,406 EUR
View
B+
Retailer 16
-
€5,530 EUR
View
B+
Retailer 17
-
€5,546 EUR
View
B+
Retailer 18
-
€5,586 EUR
View
B+
Retailer 19
-
€5,745 EUR
View
B
Retailer 20
-
€6,238 EUR
View
B
Retailer 21
-
€6,596 EUR
View
B
Retailer 22
-
€7,924 EUR
View
B
Retailer 23
-
€7,944 EUR
View
B
Retailer 24
-
€8,145 EUR
View
Most Expensive
B
NZ Jewellers
0328da95-e06d-4905-b7d6-a1d383768632 · Nov 5
€9,043 EUR
$10,096 USD
View
24 more retailers have this diamond
Prices start from €4,173 EURSave up to €4,870 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
€4,173 EUR