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Princess|Natural|GIA

1.51ct H SI1 Princess Natural Diamond

EX • H/SI1 • GIA 5553323732

Certificate GIA 5553323732

Diamond specifications and retailer prices

From $6,375 NZD
As of November 6, 2026
Save $2,159 NZD (25%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,534 NZD 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553323732. Listed at 7 retailers as of November 6, 2026, with prices from $6,375 to $8,534, a $2,159 spread on the same certified stone. GemTrove lists it at $8,534. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553323732
Dimensions6.09 × 6.08 × 4.55 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.09 mm6.08 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553323732
Side View
Table 71.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 74.8%

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: $6,375 NZD|Low: $5,920 NZD|High: $8,671 NZD|Avg: $7,188 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$6,375 NZD
Retailer 3$6,698 NZD
Retailer 4$6,873 NZD
Retailer 7$6,992 NZD
Retailer 6$7,180 NZD
Retailer 2$7,210 NZD
Retailer 5$7,962 NZD

46 data points across 7 retailers

7 retailers$6,375 NZD to $8,534 NZD

A
Cheapest Retailer
-
$6,375 NZD
Retailer 2
-
$6,698 NZD
View
Price last confirmed 7 days ago
Retailer 3
-
$6,992 NZD
View
Price last confirmed 7 days ago
Retailer 4
-
$7,180 NZD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$7,210 NZD
View
Retailer 6
-
$7,962 NZD
View
Price last confirmed 8 days ago
Most Expensive
B+
GemTrove
GT-N-01307689-98 · Nov 6
$8,534 NZD
A$7,278 AUD
View
6 more retailers have this diamond
Prices start from $6,375 NZDSave up to $2,159 NZD

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
$6,375 NZD