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0.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2416308574

Certificate GIA 2416308574

Diamond specifications and retailer prices

From €853 EUR
$953 USD
As of October 29, 2026
Save €1,634 EUR (66%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,487 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 2416308574. Listed at 21 retailers as of October 29, 2026, with prices from €853 to €2,487, a €1,634 spread on the same certified stone. NZ Jewellers lists it at €2,487. 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 angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2416308574
Dimensions5.13 × 5.10 × 3.20 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.13 mm5.10 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2416308574
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: 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 29
Current: €1,156 EUR|Low: €711 EUR|High: €1,890 EUR|Avg: €1,179 EUR|+5.0%
Retailer 1
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
October 31, 2026
Retailer 12€853 EUR
Retailer 4€889 EUR
Retailer 15€907 EUR
Retailer 7€924 EUR
Retailer 14€960 EUR
Retailer 11€1,052 EUR
Retailer 6€1,066 EUR
Retailer 5€1,119 EUR
Retailer 3€1,150 EUR
Retailer 1€1,156 EUR
Retailer 9€1,323 EUR
Retailer 13€1,333 EUR
Retailer 8€1,574 EUR
Retailer 2€1,657 EUR
Retailer 10€1,878 EUR

42 data points across 15 retailers

21 retailers€853 EUR to €2,487 EUR

B+
Cheapest Retailer
-
€853 EUR
$953 USD
Final sale: no returns
B+
Retailer 2
-
€889 EUR
$993 USD
View
Retailer 3
-
€900 EUR
$1,005 USD
View
Price last confirmed 77 days ago
B+
Retailer 4
-
€903 EUR
$1,009 USD
View
B+
Retailer 5
-
€907 EUR
$1,013 USD
View
B+
Retailer 6
-
€924 EUR
$1,032 USD
View
B+
Retailer 7
-
€960 EUR
$1,072 USD
View
B+
Retailer 8
-
€1,052 EUR
$1,175 USD
View
B+
Retailer 9
-
€1,066 EUR
$1,191 USD
View
B+
Retailer 10
-
€1,119 EUR
$1,250 USD
View
B+
Retailer 11
-
€1,119 EUR
$1,250 USD
View
B+
Retailer 12
-
€1,150 EUR
$1,285 USD
View
B
Retailer 13
-
€1,155 EUR
$1,290 USD
View
B+
Retailer 14
-
€1,156 EUR
£1,017 GBP
View
B
Retailer 15
-
€1,323 EUR
View
Retailer 16
-
€1,333 EUR
A$2,291 AUD
View
Price last confirmed 28 days ago
B
Retailer 17
-
€1,574 EUR
ZAR 28,405 ZAR
View
B
Retailer 18
-
€1,657 EUR
CA$2,570 CAD
View
B
Retailer 19
-
€1,873 EUR
£1,648 GBP
View
B
Retailer 20
-
€1,878 EUR
£1,652 GBP
View
Most Expensive
B
NZ Jewellers
2aa3a95a-b3b7-4812-a5cc-6ae810084756 · Oct 30
€2,487 EUR
$2,778 USD
View
20 more retailers have this diamond
Prices start from €853 EURSave up to €1,634 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+
0.51ct Round
€853 EUR