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Princess|Natural|GIA

1.51ct L SI1 Princess Natural Diamond

EX • L/SI1 • GIA 1557855378

Certificate GIA 1557855378

Diamond specifications and retailer prices

From $3,059 AUD
As of November 6, 2026
Save $922 AUD (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,981 AUD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1557855378. Listed at 3 retailers as of November 6, 2026, with prices from $3,059 to $3,981, a $922 spread on the same certified stone. GemTrove lists it at $3,981. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1557855378
Dimensions6.01 × 5.99 × 4.53 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint
Top View
6.01 mm5.99 mm1.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557855378
Side View
Table 68.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 75.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $3,981 AUD|Low: $3,059 AUD|High: $3,981 AUD|Avg: $3,487 AUD
GemTrove
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$3,059 AUD
Retailer 2$3,327 AUD
GemTrove$3,981 AUD

41 data points across 3 retailers

3 retailers$3,059 AUD to $3,981 AUD

A
Cheapest Retailer
-
$3,059 AUD
A
Retailer 2
-
$3,327 AUD
View
Most Expensive
B
GemTrove
GT-N-01307718-98 · Nov 6
$3,981 AUD
View
2 more retailers have this diamond
Prices start from $3,059 AUDSave up to $922 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
$3,059 AUD