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Princess|Natural|GIA

1.51ct I SI2 Princess Natural Diamond

ID • I/SI2 • GIA 5231741661

Certificate GIA 5231741661

Diamond specifications and retailer prices

From $5,515 AUD
As of November 6, 2026
Save $5,062 AUD (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,576 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5231741661. Listed at 8 retailers as of November 4, 2026, with prices from $5,515 to $10,576, a $5,062 spread on the same certified stone. MOH London lists it at $10,576. 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

1.51
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5231741661
Dimensions6.12 × 6.11 × 4.55 mm
L/W Ratio1.00
Top View
6.12 mm6.11 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5231741661
Side View
Table 72.0%CrownGirdle: VTK-VTKPavilionCulet: NoneDepth 74.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $10,576 AUD|Low: $5,432 AUD|High: $10,732 AUD|Avg: $7,288 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 4$5,515 AUD
Retailer 5$6,161 AUD
Retailer 2$6,536 AUD
Retailer 3$7,492 AUD
MOH London$10,576 AUD

42 data points across 5 retailers

8 retailers$5,515 AUD to $10,576 AUD

A
Cheapest Retailer
-
$5,515 AUD
A
Retailer 2
-
$6,161 AUD
View
B+
Retailer 3
-
$6,535 AUD
View
B+
Retailer 4
-
$6,535 AUD
View
A
Retailer 5
-
$6,536 AUD
View
B+
Retailer 6
-
$6,753 AUD
View
B+
Retailer 7
-
$7,492 AUD
View
Most Expensive
B
MOH London
00E3EA893 · Nov 4
$10,576 AUD
£5,722 GBP
View
7 more retailers have this diamond
Prices start from $5,515 AUDSave up to $5,062 AUD

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
1.51ct Princess
$5,515 AUD