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Round|Natural|GIA

0.51ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 6525636856

Certificate GIA 6525636856

Diamond specifications and retailer prices

From €199 EUR
As of November 6, 2026
Save €1,014 EUR (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,213 EUR at NZ Jewellers · As of November 4, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525636856. Listed at 13 retailers as of November 4, 2026, with prices from €199 to €1,213, a €1,014 spread on the same certified stone. NZ Jewellers lists it at €1,213. 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
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6525636856
Dimensions5.12 × 5.08 × 3.20 mm
L/W Ratio1.01
Key to symbols
Crystal
Top View
5.12 mm5.08 mm0.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6525636856
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.7%

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: Nov 6
Current: €1,213 EUR|Low: €199 EUR|High: €1,221 EUR|Avg: €412 EUR|+13.7%
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
November 6, 2026
Retailer 2€199 EUR
Retailer 5€239 EUR
Retailer 11€267 EUR
Retailer 4€298 EUR
Retailer 13€300 EUR
Retailer 8€337 EUR
Retailer 12€352 EUR
Retailer 10€360 EUR
Retailer 7€383 EUR
Retailer 3€453 EUR
Retailer 9€459 EUR
Retailer 6€529 EUR
NZ Jewellers€1,213 EUR

19 data points across 13 retailers

13 retailers€199 EUR to €1,213 EUR

A
Cheapest Retailer
-
€199 EUR
A
Retailer 2
-
€239 EUR
View
A
Retailer 3
-
€267 EUR
View
Retailer 4
-
€298 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€300 EUR
View
A
Retailer 6
-
€337 EUR
View
A
Retailer 7
-
€352 EUR
View
A
Retailer 8
-
€360 EUR
View
B+
Retailer 9
-
€383 EUR
View
B+
Retailer 10
-
€453 EUR
View
B+
Retailer 11
-
€459 EUR
View
B+
Retailer 12
-
€529 EUR
View
Most Expensive
C
NZ Jewellers
3b2466e1-a7bf-4887-844f-bb91cdcbcbbe · Nov 4
€1,213 EUR
$1,361 USD
View
12 more retailers have this diamond
Prices start from €199 EURSave up to €1,014 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
€199 EUR