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Round|Natural|GIA

1.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6512752915

Certificate GIA 6512752915

Diamond specifications and retailer prices

From €6,003 EUR
HK$52,200 HKD
As of October 29, 2026
Save €7,496 EUR (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €13,500 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6512752915. Listed at 19 retailers as of October 29, 2026, with prices from €6,003 to €13,500, a €7,496 spread on the same certified stone. NZ Jewellers lists it at €13,500. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6512752915
Dimensions7.41 × 7.36 × 4.47 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.41 mm7.36 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512752915
Side View
Table 59.0%Crown 34°Girdle: ThickPavilion 40.6°Culet: NoneDepth 60.5%

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 29
Current: €13,500 EUR|Low: €6,003 EUR|High: €13,500 EUR|Avg: €7,789 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
Retailer 18
Retailer 19
October 30, 2026
Retailer 10€6,003 EUR
Retailer 7€6,024 EUR
Retailer 11€6,320 EUR
Retailer 4€6,734 EUR
Retailer 6€6,749 EUR
Retailer 15€6,750 EUR
Retailer 14€7,191 EUR
Retailer 5€7,313 EUR
Retailer 19€7,425 EUR
Retailer 2€7,474 EUR
Retailer 16€7,654 EUR
Retailer 9€8,057 EUR
Retailer 3€8,438 EUR
Retailer 8€8,571 EUR
Retailer 12€8,843 EUR
Retailer 17€8,888 EUR
Retailer 18€9,741 EUR
Retailer 13€11,309 EUR
NZ Jewellers€13,500 EUR

40 data points across 19 retailers

19 retailers€6,003 EUR to €13,500 EUR

A
Cheapest Retailer
-
€6,003 EUR
HK$52,200 HKD
A
Retailer 2
-
€6,024 EUR
$6,705 USD
View
A
Retailer 3
-
€6,320 EUR
$7,034 USD
View
A
Retailer 4
-
€6,734 EUR
$7,495 USD
View
A
Retailer 5
-
€6,749 EUR
$7,512 USD
View
Final sale: no returns
A
Retailer 6
-
€6,750 EUR
$7,513 USD
View
A
Retailer 7
-
€7,191 EUR
$8,004 USD
View
B+
Retailer 8
-
€7,313 EUR
$8,139 USD
View
B+
Retailer 9
-
€7,425 EUR
$8,264 USD
View
A
Retailer 10
-
€7,474 EUR
£6,550 GBP
View
B+
Retailer 11
-
€7,654 EUR
A$13,107 AUD
View
B+
Retailer 12
-
€8,057 EUR
$8,967 USD
View
B+
Retailer 13
-
€8,438 EUR
$9,391 USD
View
B+
Retailer 14
-
€8,571 EUR
$9,540 USD
View
B+
Retailer 15
-
€8,843 EUR
View
Retailer 16
-
€8,888 EUR
$9,892 USD
View
Price last confirmed 7 days ago
Retailer 17
-
€9,741 EUR
ZAR 175,142 ZAR
View
Price last confirmed 7 days ago
B
Retailer 18
-
€11,309 EUR
£9,911 GBP
View
Most Expensive
B
NZ Jewellers
6ce93c74-746a-4bb5-80ce-0577f7010937 · Oct 30
€13,500 EUR
$15,025 USD
View
18 more retailers have this diamond
Prices start from €6,003 EURSave up to €7,496 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
€6,003 EUR