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Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 3555882902

Certificate GIA 3555882902

Diamond specifications and retailer prices

From €1,852 EUR
As of November 5, 2026
Save €5,425 EUR (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €7,277 EUR at NZ Jewellers · As of November 2, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555882902. Listed at 13 retailers as of November 2, 2026, with prices from €1,852 to €7,277, a €5,425 spread on the same certified stone. NZ Jewellers lists it at €7,277. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3555882902
Dimensions7.24 × 7.29 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.24 mm7.29 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555882902
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 5
Current: €7,277 EUR|Low: €1,759 EUR|High: €7,313 EUR|Avg: €3,017 EUR|-0.5%
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
November 5, 2026
Retailer 6€1,759 EUR
Retailer 2€1,852 EUR
Retailer 12€2,275 EUR
Retailer 4€2,519 EUR
Retailer 11€2,693 EUR
Retailer 13€2,713 EUR
Retailer 3€2,814 EUR
Retailer 7€2,913 EUR
Retailer 5€3,527 EUR
Retailer 9€3,785 EUR
Retailer 14€3,852 EUR
Retailer 8€4,177 EUR
Retailer 10€4,177 EUR
NZ Jewellers€7,277 EUR

30 data points across 14 retailers

13 retailers€1,852 EUR to €7,277 EUR

A
Cheapest Retailer
-
€1,852 EUR
A
Retailer 2
-
€2,275 EUR
View
A
Retailer 3
-
€2,519 EUR
View
A
Retailer 4
-
€2,693 EUR
View
A
Retailer 5
-
€2,713 EUR
View
A
Retailer 6
-
€2,814 EUR
View
A
Retailer 7
-
€2,913 EUR
View
B+
Retailer 8
-
€3,527 EUR
View
B+
Retailer 9
-
€3,785 EUR
View
B+
Retailer 10
-
€3,852 EUR
View
B+
Retailer 11
-
€4,177 EUR
View
B+
Retailer 12
-
€4,177 EUR
View
Most Expensive
B
NZ Jewellers
17da86bd-d81d-4784-8543-95fe10cd3d01 · Nov 2
€7,277 EUR
$8,168 USD
View
12 more retailers have this diamond
Prices start from €1,852 EURSave up to €5,425 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
€1,852 EUR