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 $325 USD
As of November 5, 2026
Save $256 USD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $581 USD at B2C Jewels · As of November 4, 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 4, 2026, with prices from $325 to $581, a $256 spread on the same certified stone. B2C Jewels lists it at $581. 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
Color
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

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $581 USD|Low: $325 USD|High: $1,707 USD|Avg: $545 USD
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 4$325 USD
Retailer 11$410 USD
Retailer 6$445 USD
Retailer 5$480 USD
Retailer 3$490 USD
Retailer 7$514 USD
Retailer 2$529 USD
Retailer 9$558 USD
B2C Jewels$581 USD
Retailer 10$715 USD
Retailer 8$1,707 USD

44 data points across 11 retailers

14 retailers$325 USD to $581 USD

A
Cheapest Retailer
-
$325 USD
B+
Retailer 2
-
$410 USD
View
Final sale: no returns
B+
Retailer 3
-
$445 USD
View
Retailer 4
-
$445 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$480 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$480 USD
View
B+
Retailer 7
-
$514 USD
View
Retailer 8
-
$514 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$529 USD
View
B+
Retailer 10
-
$558 USD
View
B
Retailer 11
-
$576 USD
View
Most Expensive
B
B2C Jewels
35668782 · Nov 4
$581 USD
View
11 more retailers have this diamond
Prices start from $325 USDSave up to $256 USD

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
$325 USD