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Round|Natural|GIA

1.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6233939765

Certificate GIA 6233939765

Diamond specifications and retailer prices

From €5,218 EUR
As of November 6, 2026
Save €6,524 EUR (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €11,742 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 6233939765. Listed at 26 retailers as of November 5, 2026, with prices from €5,218 to €11,742, a €6,524 spread on the same certified stone. NZ Jewellers lists it at €11,742. 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 angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6233939765
Dimensions7.22 × 7.28 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.22 mm7.28 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6233939765
Side View
Table 61.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.7%

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: Nov 6
Current: €7,181 EUR|Low: €5,092 EUR|High: €9,835 EUR|Avg: €7,040 EUR|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8€5,218 EUR
Retailer 7€5,601 EUR
Retailer 2€6,470 EUR
Retailer 6€6,769 EUR
Retailer 1€7,181 EUR
Retailer 4€7,193 EUR
Retailer 3€8,565 EUR
Retailer 5€9,757 EUR

43 data points across 8 retailers

26 retailers€5,218 EUR to €11,742 EUR

B+
Cheapest Retailer
-
€5,218 EUR
B+
Retailer 2
-
€5,299 EUR
View
B+
Retailer 3
-
€5,546 EUR
View
B+
Retailer 4
-
€5,601 EUR
View
Final sale: no returns
B+
Retailer 5
-
€5,623 EUR
View
B+
Retailer 6
-
€5,831 EUR
View
Retailer 7
-
€5,871 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€5,889 EUR
View
B+
Retailer 9
-
€6,251 EUR
View
B+
Retailer 10
-
€6,360 EUR
View
B+
Retailer 11
-
€6,470 EUR
View
B
Retailer 12
-
€6,480 EUR
View
B
Retailer 13
-
€6,711 EUR
View
Retailer 14
-
€6,769 EUR
View
Price last confirmed 16 days ago
B+
Retailer 15
-
€7,040 EUR
View
B+
Retailer 16
-
€7,040 EUR
View
B+
Retailer 17
-
€7,077 EUR
View
B+
Retailer 18
-
€7,181 EUR
View
B+
Retailer 19
-
€7,193 EUR
View
B
Retailer 20
-
€7,273 EUR
View
B
Retailer 21
-
€7,338 EUR
View
B
Retailer 22
-
€7,730 EUR
View
Retailer 23
-
€7,735 EUR
View
Price last confirmed 15 days ago
B
Retailer 24
-
€8,565 EUR
View
B
Retailer 25
-
€9,757 EUR
View
Most Expensive
B
NZ Jewellers
88894d16-2cac-4304-82c2-a7849fbcd248 · Nov 5
€11,742 EUR
$13,110 USD
View
25 more retailers have this diamond
Prices start from €5,218 EURSave up to €6,524 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
€5,218 EUR