CaratHunter
Plans
Round|Natural|GIA

0.51ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 3445208614

Certificate GIA 3445208614

Diamond specifications and retailer prices

From €525 EUR
₹55,850 INR
As of October 31, 2026
Save €1,764 EUR (77%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,289 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 3445208614. Listed at 25 retailers as of October 30, 2026, with prices from €525 to €2,289, a €1,764 spread on the same certified stone. NZ Jewellers lists it at €2,289. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3445208614
Dimensions5.11 × 5.08 × 3.17 mm
L/W Ratio1.01
Top View
5.11 mm5.08 mm0.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3445208614
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: €2,105 EUR|Low: €524 EUR|High: €2,105 EUR|Avg: €895 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
November 1, 2026
Retailer 12€525 EUR
Retailer 13€538 EUR
Retailer 11€656 EUR
Retailer 6€671 EUR
Retailer 3€697 EUR
Retailer 4€721 EUR
Retailer 5€774 EUR
Retailer 10€789 EUR
Retailer 9€874 EUR
Retailer 7€882 EUR
Retailer 15€914 EUR
Retailer 2€944 EUR
Retailer 14€1,127 EUR
Retailer 8€1,337 EUR
NZ Jewellers€2,105 EUR

22 data points across 15 retailers

25 retailers€525 EUR to €2,289 EUR

A
Cheapest Retailer
-
€525 EUR
₹55,850 INR
A
Retailer 2
-
€538 EUR
HK$4,700 HKD
View
A
Retailer 3
-
€652 EUR
$728 USD
View
A
Retailer 4
-
€656 EUR
$733 USD
View
A
Retailer 5
-
€671 EUR
$750 USD
View
A
Retailer 6
-
€673 EUR
$752 USD
View
Final sale: no returns
A
Retailer 7
-
€697 EUR
$779 USD
View
A
Retailer 8
-
€721 EUR
$805 USD
View
A
Retailer 9
-
€729 EUR
$815 USD
View
B+
Retailer 10
-
€744 EUR
SGD 1,123 SGD
View
A
Retailer 11
-
€774 EUR
$865 USD
View
A
Retailer 12
-
€789 EUR
$882 USD
View
B+
Retailer 13
-
€842 EUR
$941 USD
View
B+
Retailer 14
-
€849 EUR
$948 USD
View
B+
Retailer 15
-
€874 EUR
£769 GBP
View
B+
Retailer 16
-
€882 EUR
$985 USD
View
B+
Retailer 17
-
€914 EUR
View
B+
Retailer 18
-
€944 EUR
£831 GBP
View
Retailer 19
-
€1,097 EUR
A$1,886 AUD
View
Price last confirmed 28 days ago
B+
Retailer 20
-
€1,127 EUR
ZAR 20,333 ZAR
View
B
Retailer 21
-
€1,209 EUR
$1,351 USD
View
B
Retailer 22
-
€1,337 EUR
£1,176 GBP
View
B
Retailer 23
-
€1,550 EUR
£1,364 GBP
View
B
Retailer 24
-
€2,105 EUR
$2,352 USD
View
Most Expensive
B
NZ Jewellers
a4d76a40-ae3d-4304-8117-21b1a1fc8f31 · Oct 30
€2,289 EUR
$2,557 USD
View
24 more retailers have this diamond
Prices start from €525 EURSave up to €1,764 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
€525 EUR