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Round|Natural|GIA

0.51ct E I1 Round Natural Diamond

VG • E/I1 • GIA 6442672642

Certificate GIA 6442672642

Diamond specifications and retailer prices

From €390 EUR
HK$3,400 HKD
As of October 30, 2026
Save €1,037 EUR (73%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,427 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 I1 clarity (included), with a very-good cut grade and certified by GIA 6442672642. Listed at 7 retailers as of October 30, 2026, with prices from €390 to €1,427, a €1,037 spread on the same certified stone. NZ Jewellers lists it at €1,427. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6442672642
Dimensions4.95 × 5.02 × 3.19 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
4.95 mm5.02 mm0.51 ctE / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6442672642
Side View
Table 58.0%Crown 37.5°Girdle: VTN-THKPavilion 40.2°Culet: NoneDepth 63.9%

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 30
Current: €1,427 EUR|Low: €390 EUR|High: €1,449 EUR|Avg: €666 EUR|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8€390 EUR
Retailer 3€455 EUR
Retailer 4€490 EUR
Retailer 5€490 EUR
Retailer 7€511 EUR
Retailer 6€525 EUR
Retailer 9€584 EUR
Retailer 2€683 EUR
Retailer 10€696 EUR
NZ Jewellers€1,427 EUR

29 data points across 10 retailers

7 retailers€390 EUR to €1,427 EUR

A
Cheapest Retailer
-
€390 EUR
HK$3,400 HKD
A
Retailer 2
-
€455 EUR
$508 USD
View
A
Retailer 3
-
€490 EUR
$547 USD
View
A
Retailer 4
-
€490 EUR
$547 USD
View
B+
Retailer 5
-
€525 EUR
$587 USD
View
B
Retailer 6
-
€683 EUR
View
Most Expensive
B
NZ Jewellers
96e868c5-1df9-49b9-98a8-9ec458d2872e · Oct 30
€1,427 EUR
$1,594 USD
View
6 more retailers have this diamond
Prices start from €390 EURSave up to €1,037 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
€390 EUR