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Round|Natural|GIA

1.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6542368669

Certificate GIA 6542368669

Diamond specifications and retailer prices

From €5,382 EUR
A$9,250 AUD
As of October 31, 2026
Save €6,205 EUR (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €11,587 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 6542368669. Listed at 17 retailers as of October 30, 2026, with prices from €5,382 to €11,587, a €6,205 spread on the same certified stone. NZ Jewellers lists it at €11,587. 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
OriginNatural
Grading LabGIA
CertificateGIA 6542368669
Dimensions7.29 × 7.34 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.29 mm7.34 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542368669
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

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: Oct 31
Current: €11,587 EUR|Low: €3,820 EUR|High: €11,587 EUR|Avg: €6,998 EUR
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
October 31, 2026
Retailer 9€3,820 EUR
Retailer 15€5,473 EUR
Retailer 4€5,793 EUR
Retailer 14€5,793 EUR
Retailer 17€6,276 EUR
Retailer 16€6,373 EUR
Retailer 11€6,394 EUR
Retailer 2€6,487 EUR
Retailer 5€6,955 EUR
Retailer 6€6,955 EUR
Retailer 13€6,983 EUR
Retailer 10€7,162 EUR
Retailer 7€7,188 EUR
Retailer 3€7,241 EUR
Retailer 8€7,633 EUR
Retailer 12€9,707 EUR
NZ Jewellers€11,587 EUR

39 data points across 17 retailers

17 retailers€5,382 EUR to €11,587 EUR

B+
Cheapest Retailer
-
€5,382 EUR
A$9,250 AUD
B+
Retailer 2
-
€5,473 EUR
$6,115 USD
View
B+
Retailer 3
-
€5,793 EUR
$6,472 USD
View
B+
Retailer 4
-
€5,793 EUR
$6,472 USD
View
Final sale: no returns
B+
Retailer 5
-
€6,276 EUR
$7,012 USD
View
B+
Retailer 6
-
€6,373 EUR
$7,120 USD
View
B+
Retailer 7
-
€6,394 EUR
$7,143 USD
View
B+
Retailer 8
-
€6,487 EUR
£5,707 GBP
View
B+
Retailer 9
-
€6,955 EUR
$7,770 USD
View
B+
Retailer 10
-
€6,955 EUR
$7,770 USD
View
B+
Retailer 11
-
€6,983 EUR
$7,801 USD
View
B+
Retailer 12
-
€7,162 EUR
View
B
Retailer 13
-
€7,188 EUR
$8,030 USD
View
B
Retailer 14
-
€7,241 EUR
$8,090 USD
View
Retailer 15
-
€7,633 EUR
$8,528 USD
View
Price last confirmed 9 days ago
B
Retailer 16
-
€9,707 EUR
£8,539 GBP
View
Most Expensive
B
NZ Jewellers
3f48afd1-8abf-450b-a82f-d6648a2087b1 · Oct 30
€11,587 EUR
$12,945 USD
View
16 more retailers have this diamond
Prices start from €5,382 EURSave up to €6,205 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+
1.51ct Round
€5,382 EUR