Round|Natural|GIA

0.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2407006099

Certificate GIA 2407006099

Diamond specifications and retailer prices

From €630 EUR
₹67,058 INR
As of October 31, 2026
Save €1,368 EUR (68%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,723 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 2407006099. Listed at 23 retailers as of October 29, 2026, with a 217% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2407006099
Dimensions5.22 × 5.18 × 3.14 mm
L/W Ratio1.01
Top View
5.22 mm5.18 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2407006099
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.3%

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: €630 EUR|Low: €629 EUR|High: €1,610 EUR|Avg: €1,044 EUR|-1.3%
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
October 31, 2026
Retailer 1€630 EUR
Retailer 6€642 EUR
Retailer 2€801 EUR
Retailer 11€846 EUR
Retailer 3€850 EUR
Retailer 5€902 EUR
Retailer 10€950 EUR
Retailer 13€1,003 EUR
Retailer 7€1,012 EUR
Retailer 9€1,096 EUR
Retailer 4€1,306 EUR
Retailer 8€1,340 EUR
Retailer 12€1,593 EUR

34 data points across 13 retailers

23 retailers€630 EUR to €1,998 EUR

A
Cheapest Retailer
-
€630 EUR
₹67,058 INR
A
Retailer 2
-
€642 EUR
HK$5,600 HKD
View
B+
Retailer 3
-
€801 EUR
$895 USD
View
Final sale: no returns
B+
Retailer 4
-
€846 EUR
$945 USD
View
B+
Retailer 5
-
€850 EUR
$950 USD
View
B+
Retailer 6
-
€868 EUR
$970 USD
View
B+
Retailer 7
-
€868 EUR
$970 USD
View
B+
Retailer 8
-
€887 EUR
SGD 1,339 SGD
View
B+
Retailer 9
-
€902 EUR
$1,008 USD
View
B+
Retailer 10
-
€950 EUR
$1,061 USD
View
B+
Retailer 11
-
€988 EUR
$1,104 USD
View
B+
Retailer 12
-
€1,002 EUR
$1,119 USD
View
B+
Retailer 13
-
€1,003 EUR
$1,120 USD
View
B+
Retailer 14
-
€1,012 EUR
£890 GBP
View
B+
Retailer 15
-
€1,052 EUR
A$1,808 AUD
View
B+
Retailer 16
-
€1,096 EUR
View
B+
Retailer 17
-
€1,134 EUR
$1,266 USD
View
B
Retailer 18
-
€1,209 EUR
$1,351 USD
View
Retailer 19
-
€1,306 EUR
A$2,244 AUD
View
Price last confirmed 27 days ago
B
Retailer 20
-
€1,340 EUR
ZAR 24,194 ZAR
View
B
Retailer 21
-
€1,593 EUR
£1,401 GBP
View
B
Retailer 22
-
€1,998 EUR
£1,757 GBP
View
Most Expensive
NZ Jewellers
14d9a984-1a28-47c7-adb8-407b0354cc33 · Oct 30
€2,723 EUR
$3,042 USD
View
Price under review
22 more retailers have this diamond
Prices start from €630 EURSave up to €1,368 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
€630 EUR