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1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1559762644

Certificate GIA 1559762644

Diamond specifications and retailer prices

From €4,313 EUR
$4,818 USD
As of October 30, 2026
Save €5,234 EUR (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €9,547 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559762644. Listed at 20 retailers as of October 30, 2026, with prices from €4,313 to €9,547, a €5,234 spread on the same certified stone. NZ Jewellers lists it at €9,547. 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

1.51
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1559762644
Dimensions7.28 × 7.33 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.28 mm7.33 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559762644
Side View
Table 59.0%Crown 36°Girdle: STK-STKPavilion 41°Culet: NoneDepth 62.4%

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: €9,547 EUR|Low: €4,313 EUR|High: €9,547 EUR|Avg: €6,118 EUR|+17.3%
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
October 31, 2026
Retailer 8€4,313 EUR
Retailer 6€4,510 EUR
Retailer 14€4,534 EUR
Retailer 5€4,774 EUR
Retailer 3€5,172 EUR
Retailer 12€5,172 EUR
Retailer 13€5,172 EUR
Retailer 2€5,439 EUR
Retailer 4€5,967 EUR
Retailer 7€6,238 EUR
Retailer 9€6,915 EUR
Retailer 10€8,455 EUR
Retailer 11€8,912 EUR
NZ Jewellers€9,547 EUR

26 data points across 14 retailers

20 retailers€4,313 EUR to €9,547 EUR

A
Cheapest Retailer
-
€4,313 EUR
$4,818 USD
A
Retailer 2
-
€4,510 EUR
$5,039 USD
View
A
Retailer 3
-
€4,534 EUR
$5,065 USD
View
B+
Retailer 4
-
€4,774 EUR
$5,333 USD
View
Final sale: no returns
B+
Retailer 5
-
€5,105 EUR
$5,703 USD
View
B+
Retailer 6
-
€5,172 EUR
$5,778 USD
View
B+
Retailer 7
-
€5,172 EUR
$5,778 USD
View
B+
Retailer 8
-
€5,172 EUR
$5,778 USD
View
B+
Retailer 9
-
€5,198 EUR
$5,807 USD
View
B+
Retailer 10
-
€5,439 EUR
£4,785 GBP
View
B+
Retailer 11
-
€5,550 EUR
$6,200 USD
View
B+
Retailer 12
-
€5,550 EUR
$6,200 USD
View
B+
Retailer 13
-
€5,729 EUR
$6,400 USD
View
B+
Retailer 14
-
€5,967 EUR
$6,666 USD
View
B+
Retailer 15
-
€6,238 EUR
View
Retailer 16
-
€6,295 EUR
$7,033 USD
View
Price last confirmed 17 days ago
B+
Retailer 17
-
€6,915 EUR
£6,083 GBP
View
B
Retailer 18
-
€8,455 EUR
£7,438 GBP
View
B
Retailer 19
-
€8,912 EUR
£7,840 GBP
View
Most Expensive
B
NZ Jewellers
acae055a-3203-40ce-bc1b-966d8c4cac9b · Oct 30
€9,547 EUR
$10,666 USD
View
19 more retailers have this diamond
Prices start from €4,313 EURSave up to €5,234 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
1.51ct Round
€4,313 EUR