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Princess|Natural|GIA

0.51ct K SI2 Princess Natural Diamond

EX • K/SI2 • GIA 2185392329

Certificate GIA 2185392329

Diamond specifications and retailer prices

From $624 USD
As of November 5, 2026
Save $702 USD (53%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,326 USD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural princess diamond

This 0.51ct natural princess sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2185392329. Listed at 4 retailers as of November 4, 2026, with prices from $624 to $1,326, a $702 spread on the same certified stone. MOH London lists it at $1,326. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2185392329
Dimensions4.34 × 4.21 × 3.06 mm
L/W Ratio1.03
Top View
4.34 mm4.21 mm0.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 2185392329
Side View
Table 70.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 72.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,326 USD|Low: $624 USD|High: $1,344 USD|Avg: $878 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$624 USD
Retailer 3$705 USD
Retailer 2$847 USD
MOH London$1,326 USD

44 data points across 4 retailers

4 retailers$624 USD to $1,326 USD

B+
Cheapest Retailer
-
$624 USD
B
Retailer 2
-
$705 USD
View
B
Retailer 3
-
$847 USD
View
Most Expensive
B
MOH London
00F1A4ECA · Nov 4
$1,326 USD
£1,044 GBP
View
3 more retailers have this diamond
Prices start from $624 USDSave up to $702 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
$624 USD