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Round|Natural|GIA

1.50ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6452477908

Certificate GIA 6452477908

Diamond specifications and retailer prices

From €4,711 EUR
As of November 6, 2026
Save €5,823 EUR (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €10,534 EUR at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6452477908. Listed at 23 retailers as of November 5, 2026, with prices from €4,711 to €10,534, a €5,823 spread on the same certified stone. Diamond Quarter lists it at €10,534. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6452477908
Dimensions7.33 × 7.28 × 4.51 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.33 mm7.28 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452477908
Side View
Table 62.0%Crown 33°Girdle: ThickPavilion 41.6°Culet: NoneDepth 61.7%

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: €6,862 EUR|Low: €4,711 EUR|High: €10,526 EUR|Avg: €6,583 EUR|+1.7%
Retailer 1
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
November 6, 2026
Retailer 15€4,711 EUR
Retailer 4€4,990 EUR
Retailer 9€5,262 EUR
Retailer 6€5,302 EUR
Retailer 16€5,616 EUR
Retailer 2€5,702 EUR
Retailer 8€5,702 EUR
Retailer 17€5,702 EUR
Retailer 12€5,936 EUR
Retailer 3€6,108 EUR
Retailer 5€6,579 EUR
Retailer 10€6,780 EUR
Retailer 1€6,862 EUR
Retailer 11€6,936 EUR
Retailer 18€6,936 EUR
Retailer 13€7,678 EUR
Retailer 14€9,248 EUR
Retailer 7€10,526 EUR

34 data points across 18 retailers

23 retailers€4,711 EUR to €10,534 EUR

A
Cheapest Retailer
-
€4,711 EUR
Retailer 2
-
€4,897 EUR
View
Price last confirmed 83 days ago
B+
Retailer 3
-
€4,973 EUR
View
B+
Retailer 4
-
€4,990 EUR
View
B+
Retailer 5
-
€5,262 EUR
View
Final sale: no returns
B+
Retailer 6
-
€5,302 EUR
View
B+
Retailer 7
-
€5,616 EUR
View
B+
Retailer 8
-
€5,702 EUR
View
Retailer 9
-
€5,702 EUR
View
Price last confirmed 9 days ago
B+
Retailer 10
-
€5,702 EUR
View
B+
Retailer 11
-
€5,936 EUR
View
Retailer 12
-
€6,108 EUR
View
Price last confirmed 16 days ago
B+
Retailer 13
-
€6,257 EUR
View
B
Retailer 14
-
€6,439 EUR
View
B
Retailer 15
-
€6,579 EUR
View
B+
Retailer 16
-
€6,780 EUR
View
B+
Retailer 17
-
€6,862 EUR
View
Retailer 18
-
€6,936 EUR
View
Price last confirmed 15 days ago
B+
Retailer 19
-
€6,936 EUR
View
B
Retailer 20
-
€7,678 EUR
View
B
Retailer 21
-
€9,248 EUR
View
B
Retailer 22
-
€10,526 EUR
View
Most Expensive
B
Diamond Quarter
1.5SI1H6408683CN · Nov 5
€10,534 EUR
£9,261 GBP
View
22 more retailers have this diamond
Prices start from €4,711 EURSave up to €5,823 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
€4,711 EUR