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Round|Natural|GIA

0.51ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7553393622

Certificate GIA 7553393622

Diamond specifications and retailer prices

From €566 EUR
$635 USD
As of October 27, 2026
Save €1,336 EUR (70%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,903 EUR at NZ Jewellers · As of October 27, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7553393622. Listed at 24 retailers as of October 27, 2026, with prices from €566 to €1,903, a €1,336 spread on the same certified stone. NZ Jewellers lists it at €1,903. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7553393622
Dimensions5.08 × 5.10 × 3.21 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Cloud
Top View
5.08 mm5.10 mm0.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7553393622
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.1%

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 27
Current: €811 EUR|Low: €423 EUR|High: €1,418 EUR|Avg: €796 EUR|+1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 8€423 EUR
Retailer 10€592 EUR
Retailer 2€644 EUR
Retailer 4€718 EUR
Retailer 5€740 EUR
Retailer 3€789 EUR
Retailer 1€811 EUR
Retailer 9€912 EUR
Retailer 6€934 EUR
Retailer 7€1,409 EUR

35 data points across 10 retailers

24 retailers€566 EUR to €1,903 EUR

A
Cheapest Retailer
-
€566 EUR
$635 USD
A
Retailer 2
-
€572 EUR
$642 USD
View
Retailer 3
-
€592 EUR
$664 USD
View
Price last confirmed 8 days ago
Retailer 4
-
€592 EUR
$664 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€604 EUR
$677 USD
View
B+
Retailer 6
-
€634 EUR
$711 USD
View
B+
Retailer 7
-
€644 EUR
$722 USD
View
Retailer 8
-
€648 EUR
$727 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€672 EUR
$754 USD
View
B+
Retailer 10
-
€695 EUR
$780 USD
View
B+
Retailer 11
-
€695 EUR
$780 USD
View
Retailer 12
-
€718 EUR
$805 USD
View
Price last confirmed 5 days ago
B+
Retailer 13
-
€722 EUR
$810 USD
View
B+
Retailer 14
-
€726 EUR
$815 USD
View
B+
Retailer 15
-
€740 EUR
£654 GBP
View
B+
Retailer 16
-
€769 EUR
$862 USD
View
B+
Retailer 17
-
€789 EUR
£697 GBP
View
B+
Retailer 18
-
€811 EUR
View
B+
Retailer 19
-
€845 EUR
$948 USD
View
Price last confirmed 7 days ago
Retailer 20
-
€912 EUR
A$1,574 AUD
View
Price last confirmed 29 days ago
Retailer 21
-
€934 EUR
ZAR 16,926 ZAR
View
Price last confirmed 7 days ago
B
Retailer 22
-
€1,409 EUR
£1,244 GBP
View
B
Retailer 23
-
€1,743 EUR
CA$2,715 CAD
View
Most Expensive
B
NZ Jewellers
345bfcde-ed97-42b4-ac88-7a1a1bb92407 · Oct 27
€1,903 EUR
$2,134 USD
View
23 more retailers have this diamond
Prices start from €566 EURSave up to €1,336 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
€566 EUR