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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 €1,459 EUR
As of November 6, 2026
Save €1,937 EUR (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,397 EUR 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 €1,459 to €3,397, a €1,937 spread on the same certified stone. MOH London lists it at €3,397. 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: €3,397 EUR|Low: €1,459 EUR|High: €3,447 EUR|Avg: €2,056 EUR|-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€1,459 EUR
Retailer 2€1,532 EUR
Retailer 14€1,794 EUR
Retailer 4€1,864 EUR
Retailer 3€1,884 EUR
Retailer 7€1,886 EUR
Retailer 6€1,994 EUR
Retailer 5€2,020 EUR
Retailer 8€2,028 EUR
Retailer 13€2,068 EUR
Retailer 10€2,112 EUR
Retailer 11€2,373 EUR
Retailer 9€2,414 EUR
MOH London€3,397 EUR

12 data points across 14 retailers

14 retailers€1,459 EUR to €3,397 EUR

A
Cheapest Retailer
-
€1,459 EUR
A
Retailer 2
-
€1,532 EUR
View
A
Retailer 3
-
€1,794 EUR
View
Final sale: no returns
A
Retailer 4
-
€1,864 EUR
View
A
Retailer 5
-
€1,884 EUR
View
A
Retailer 6
-
€1,886 EUR
View
B+
Retailer 7
-
€2,020 EUR
View
B+
Retailer 8
-
€2,028 EUR
View
B+
Retailer 9
-
€2,068 EUR
View
B+
Retailer 10
-
€2,112 EUR
View
Retailer 11
-
€2,301 EUR
View
Price last confirmed 52 days ago
B+
Retailer 12
-
€2,373 EUR
View
B+
Retailer 13
-
€2,414 EUR
View
Most Expensive
B
MOH London
D01739C8A · Nov 4
€3,397 EUR
£3,002 GBP
View
13 more retailers have this diamond
Prices start from €1,459 EURSave up to €1,937 EUR

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
€1,459 EUR