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Princess|Natural|GIA

1.51ct D SI2 Princess Natural Diamond

EX • D/SI2 • GIA 1555264306

Certificate GIA 1555264306

Diamond specifications and retailer prices

From $5,430 AUD
As of November 6, 2026
Save $6,078 AUD (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,507 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555264306. Listed at 12 retailers as of November 4, 2026, with prices from $5,430 to $11,507, a $6,078 spread on the same certified stone. MOH London lists it at $11,507. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555264306
Dimensions6.43 × 6.43 × 4.51 mm
L/W Ratio1.00
Top View
6.43 mm6.43 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555264306
Side View
Table 73.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 70.2%

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: $11,507 AUD|Low: $5,430 AUD|High: $12,104 AUD|Avg: $7,580 AUD|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$5,430 AUD
Retailer 2$5,774 AUD
Retailer 5$6,668 AUD
Retailer 4$7,133 AUD
Retailer 10$7,158 AUD
Retailer 7$7,461 AUD
Retailer 9$7,508 AUD
Retailer 8$7,642 AUD
Retailer 3$8,152 AUD
MOH London$11,507 AUD

33 data points across 10 retailers

12 retailers$5,430 AUD to $11,507 AUD

A
Cheapest Retailer
-
$5,430 AUD
A
Retailer 2
-
$5,774 AUD
View
A
Retailer 3
-
$6,668 AUD
View
A
Retailer 4
-
$6,895 AUD
View
A
Retailer 5
-
$7,133 AUD
View
Retailer 6
-
$7,158 AUD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$7,250 AUD
View
A
Retailer 8
-
$7,461 AUD
View
Retailer 9
-
$7,508 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$7,642 AUD
View
B+
Retailer 11
-
$8,152 AUD
View
Most Expensive
B+
MOH London
BC0D39D5D · Nov 4
$11,507 AUD
£6,343 GBP
View
11 more retailers have this diamond
Prices start from $5,430 AUDSave up to $6,078 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
$5,430 AUD