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Round|Natural|GIA

0.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 7508375094

Certificate GIA 7508375094

Diamond specifications and retailer prices

From €575 EUR
₹61,169 INR
As of October 31, 2026
Save €1,843 EUR (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,418 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7508375094. Listed at 22 retailers as of October 30, 2026, with prices from €575 to €2,418, a €1,843 spread on the same certified stone. NZ Jewellers lists it at €2,418. 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

0.51
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7508375094
Dimensions5.24 × 5.21 × 3.10 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Key to symbols
Crystal
Top View
5.24 mm5.21 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7508375094
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.3%

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 31
Current: €2,418 EUR|Low: €573 EUR|High: €2,418 EUR|Avg: €1,190 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 2€575 EUR
Retailer 11€598 EUR
Retailer 7€761 EUR
Retailer 4€896 EUR
Retailer 10€917 EUR
Retailer 6€1,005 EUR
Retailer 3€1,159 EUR
Retailer 5€1,190 EUR
Retailer 9€1,414 EUR
Retailer 8€1,825 EUR
NZ Jewellers€2,418 EUR

32 data points across 11 retailers

22 retailers€575 EUR to €2,418 EUR

A
Cheapest Retailer
-
€575 EUR
₹61,169 INR
A
Retailer 2
-
€598 EUR
$668 USD
View
Final sale: no returns
A
Retailer 3
-
€688 EUR
$769 USD
View
B+
Retailer 4
-
€761 EUR
$850 USD
View
Retailer 5
-
€771 EUR
$861 USD
View
Price last confirmed 37 days ago
B+
Retailer 6
-
€771 EUR
$861 USD
View
B+
Retailer 7
-
€771 EUR
$861 USD
View
B+
Retailer 8
-
€799 EUR
SGD 1,207 SGD
View
B+
Retailer 9
-
€801 EUR
$895 USD
View
B+
Retailer 10
-
€888 EUR
$992 USD
View
Retailer 11
-
€890 EUR
$994 USD
View
Price last confirmed 40 days ago
B+
Retailer 12
-
€890 EUR
$994 USD
View
B+
Retailer 13
-
€896 EUR
£788 GBP
View
B+
Retailer 14
-
€917 EUR
$1,025 USD
View
B+
Retailer 15
-
€1,005 EUR
View
B+
Retailer 16
-
€1,026 EUR
$1,146 USD
View
Retailer 17
-
€1,159 EUR
A$1,993 AUD
View
Price last confirmed 27 days ago
B+
Retailer 18
-
€1,190 EUR
ZAR 21,482 ZAR
View
B
Retailer 19
-
€1,414 EUR
£1,244 GBP
View
B
Retailer 20
-
€1,690 EUR
£1,487 GBP
View
B
Retailer 21
-
€1,825 EUR
£1,605 GBP
View
Most Expensive
B
NZ Jewellers
f266f9c6-4012-4e18-82c2-692075b4d4b4 · Oct 30
€2,418 EUR
$2,701 USD
View
21 more retailers have this diamond
Prices start from €575 EURSave up to €1,843 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
0.51ct Round
€575 EUR