Princess|Natural|GIA

0.51ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 1568179106

Certificate GIA 1568179106

Diamond specifications and retailer prices

From $500 USD
As of November 6, 2026
Save $470 USD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $970 USD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.51ct natural princess diamond

This 0.51ct natural princess sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568179106. Listed at 13 retailers as of November 6, 2026, with prices from $500 to $970, a $470 spread on the same certified stone. Frank Darling lists it at $970. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle21.65°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 1568179106
Dimensions4.38 × 4.37 × 3.14 mm
L/W Ratio1.00
Culet sizeNone
Top View
4.38 mm4.37 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1568179106
Side View
Table 73.0%Crown 21.65°Girdle: MED-THKPavilion 40°Culet: NoneDepth 71.9%

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 6
Current: $970 USD|Low: $500 USD|High: $986 USD|Avg: $699 USD|-1.6%
Frank Darling
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 13$500 USD
Retailer 3$543 USD
Retailer 7$560 USD
Retailer 5$580 USD
Retailer 10$591 USD
Retailer 6$634 USD
Retailer 9$638 USD
Retailer 11$707 USD
Retailer 4$761 USD
Retailer 2$765 USD
Retailer 12$822 USD
Retailer 8$897 USD
Frank Darling$970 USD

31 data points across 13 retailers

13 retailers$500 USD to $970 USD

A
Cheapest Retailer
-
$500 USD
A
Retailer 2
-
$543 USD
View
B+
Retailer 3
-
$560 USD
View
Retailer 4
-
$580 USD
View
Price last confirmed 30 days ago
B+
Retailer 5
-
$591 USD
View
B+
Retailer 6
-
$634 USD
View
B+
Retailer 7
-
$638 USD
View
B
Retailer 8
-
$707 USD
View
B
Retailer 9
-
$761 USD
View
B+
Retailer 10
-
$765 USD
View
B
Retailer 11
-
$822 USD
View
B
Retailer 12
-
$897 USD
View
Most Expensive
B
Frank Darling
2681613HK · Nov 6
$970 USD
View
12 more retailers have this diamond
Prices start from $500 USDSave up to $470 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
$500 USD