Princess|Natural|GIA

0.51ct I SI1 Princess Natural Diamond

GD • I/SI1

Diamond specifications and retailer prices

From $564 USD
As of November 5, 2026
Save $168 USD (23%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $732 USD 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 9 retailers as of November 5, 2026, with prices from $564 to $732, a $168 spread on the same certified stone. B2C Jewels lists it at $732. 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
I
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions4.42 × 4.30 × 3.20 mm
L/W Ratio1.03
Top View
4.42 mm4.30 mm0.51 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 73.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 74.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $732 USD|Low: $564 USD|High: $1,953 USD|Avg: $953 USD
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 26, 2026
Retailer 2$564 USD
Retailer 3$607 USD
Retailer 8$607 USD
Retailer 7$641 USD
Retailer 5$651 USD
B2C Jewels$732 USD
Retailer 6$1,604 USD
Retailer 4$1,953 USD

12 data points across 8 retailers

9 retailers$564 USD to $732 USD

Retailer 1
-
$564 USD
Price last confirmed 53 days ago
B
Retailer 2
-
$564 USD
View
B
Retailer 3
-
$607 USD
View
B
Retailer 4
-
$641 USD
View
Retailer 5
-
$651 USD
View
Price last confirmed 61 days ago
Most Expensive
C
B2C Jewels
35923281 · Nov 6
$732 USD
View
5 more retailers have this diamond
Prices start from $564 USDSave up to $168 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.

B
0.51ct Princess
$564 USD