Princess|Natural|IGI

0.51ct G SI2 Princess Natural Diamond

VG • G/SI2 • IGI 811673434

Shape and cutting style on the report: Princess cut

Certificate IGI 811673434

Diamond specifications and retailer prices

From €290 EUR
As of November 6, 2026
Save €230 EUR (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €520 EUR at B2C Jewels · As of November 6, 2026
View at B2C Jewels

About this 0.51ct natural princess diamond

This 0.51ct natural princess sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 811673434. Listed at 14 retailers as of November 6, 2026, with prices from €290 to €520, a €230 spread on the same certified stone. B2C Jewels lists it at €520. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle54.5°
Pavilion angle42.7°
OriginNatural
Grading LabIGI
CertificateIGI 811673434
Dimensions4.20 × 4.12 × 3.37 mm
L/W Ratio1.02
Top View
4.20 mm4.12 mm0.51 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 811673434
Side View
Table 74.0%Crown 54.5°Girdle: MED-VTKPavilion 42.7°Culet: NoneDepth 81.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €520 EUR|Low: €290 EUR|High: €1,529 EUR|Avg: €489 EUR
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2€290 EUR
Retailer 11€367 EUR
Retailer 6€399 EUR
Retailer 5€430 EUR
Retailer 3€439 EUR
Retailer 7€460 EUR
Retailer 4€474 EUR
Retailer 9€500 EUR
B2C Jewels€520 EUR
Retailer 10€640 EUR
Retailer 8€1,529 EUR

44 data points across 11 retailers

14 retailers€290 EUR to €520 EUR

A
Cheapest Retailer
-
€290 EUR
B+
Retailer 2
-
€367 EUR
View
Final sale: no returns
B+
Retailer 3
-
€399 EUR
View
Retailer 4
-
€399 EUR
View
Price last confirmed 9 days ago
Retailer 5
-
€430 EUR
View
Price last confirmed 9 days ago
B+
Retailer 6
-
€430 EUR
View
B+
Retailer 7
-
€460 EUR
View
Retailer 8
-
€460 EUR
View
Price last confirmed 11 days ago
B+
Retailer 9
-
€474 EUR
View
B+
Retailer 10
-
€500 EUR
View
B
Retailer 11
-
€516 EUR
View
Most Expensive
B
B2C Jewels
35668782 · Nov 6
€520 EUR
$581 USD
View
11 more retailers have this diamond
Prices start from €290 EURSave up to €230 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 Princess
€290 EUR