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Princess|Natural|GIA

1.51ct D SI1 Princess Natural Diamond

EX • D/SI1 • GIA 1555500862

Certificate GIA 1555500862

Diamond specifications and retailer prices

From $10,151 NZD
$5,721 USD
As of November 1, 2026
Save $9,568 NZD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $19,719 NZD at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555500862. Listed at 12 retailers as of November 1, 2026, with prices from $10,151 to $19,719, a $9,568 spread on the same certified stone. MOH London lists it at $19,719. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555500862
Dimensions6.30 × 6.28 × 4.58 mm
L/W Ratio1.00
Key to symbols
Crystal, Needle
Top View
6.30 mm6.28 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555500862
Side View
Table 69.0%CrownGirdle: ThickPavilionCulet: NoneDepth 72.9%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $19,719 NZD|Low: $10,151 NZD|High: $22,779 NZD|Avg: $16,438 NZD|-12.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9$10,151 NZD
Retailer 11$11,180 NZD
Retailer 7$11,833 NZD
Retailer 8$13,110 NZD
Retailer 5$13,343 NZD
Retailer 10$14,017 NZD
Retailer 12$14,017 NZD
Retailer 3$14,496 NZD
Retailer 4$15,215 NZD
Retailer 2$15,457 NZD
Retailer 6$17,383 NZD
MOH London$19,719 NZD

44 data points across 12 retailers

12 retailers$10,151 NZD to $19,719 NZD

B+
Cheapest Retailer
-
$10,151 NZD
$5,721 USD
B+
Retailer 2
-
$11,180 NZD
$6,301 USD
View
B+
Retailer 3
-
$11,833 NZD
$6,669 USD
View
B+
Retailer 4
-
$13,110 NZD
$7,389 USD
View
B+
Retailer 5
-
$13,343 NZD
£5,921 GBP
View
B+
Retailer 6
-
$14,017 NZD
$7,900 USD
View
B+
Retailer 7
-
$14,017 NZD
$7,900 USD
View
B+
Retailer 8
-
$14,496 NZD
$8,170 USD
View
Retailer 9
-
$15,215 NZD
A$13,193 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$15,457 NZD
€8,297 EUR
View
B
Retailer 11
-
$17,383 NZD
ZAR 158,273 ZAR
View
Most Expensive
B
MOH London
27FACA8C5 · Nov 1
$19,719 NZD
£8,751 GBP
View
11 more retailers have this diamond
Prices start from $10,151 NZDSave up to $9,568 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.

B+
1.51ct Princess
$10,151 NZD