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Princess|Natural|GIA

1.20ct I SI1 Princess Natural Diamond

EX • I/SI1 • GIA 1558308471

Certificate GIA 1558308471

Diamond specifications and retailer prices

From $2,955 NZD
As of November 6, 2026
Save $3,923 NZD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,877 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural princess diamond

This 1.2ct natural princess sits in the classic one-carat band, graded I 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 1558308471. Listed at 14 retailers as of November 4, 2026, with prices from $2,955 to $6,877, a $3,923 spread on the same certified stone. MOH London lists it at $6,877. 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

1.20
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558308471
Dimensions5.85 × 5.78 × 4.04 mm
L/W Ratio1.01
Girdle conditionPolished
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
5.85 mm5.78 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558308471
Side View
Table 71.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 70.0%

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: $6,877 NZD|Low: $2,955 NZD|High: $6,978 NZD|Avg: $4,162 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 12$2,955 NZD
Retailer 2$3,103 NZD
Retailer 14$3,633 NZD
Retailer 4$3,774 NZD
Retailer 3$3,815 NZD
Retailer 7$3,819 NZD
Retailer 6$4,037 NZD
Retailer 5$4,089 NZD
Retailer 8$4,106 NZD
Retailer 13$4,187 NZD
Retailer 10$4,277 NZD
Retailer 11$4,804 NZD
Retailer 9$4,889 NZD
MOH London$6,877 NZD

12 data points across 14 retailers

14 retailers$2,955 NZD to $6,877 NZD

A
Cheapest Retailer
-
$2,955 NZD
A
Retailer 2
-
$3,103 NZD
View
A
Retailer 3
-
$3,633 NZD
View
Final sale: no returns
A
Retailer 4
-
$3,774 NZD
View
A
Retailer 5
-
$3,815 NZD
View
A
Retailer 6
-
$3,819 NZD
View
B+
Retailer 7
-
$4,089 NZD
View
B+
Retailer 8
-
$4,106 NZD
View
B+
Retailer 9
-
$4,187 NZD
View
B+
Retailer 10
-
$4,277 NZD
View
Retailer 11
-
$4,659 NZD
View
Price last confirmed 52 days ago
B+
Retailer 12
-
$4,804 NZD
View
B+
Retailer 13
-
$4,889 NZD
View
Most Expensive
B
MOH London
D01739C8A · Nov 4
$6,877 NZD
£3,002 GBP
View
13 more retailers have this diamond
Prices start from $2,955 NZDSave up to $3,923 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
1.20ct Princess
$2,955 NZD