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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 HK$12,838 HKD
As of November 6, 2026
Save HK$17,043 HKD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$29,880 HKD 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 HK$12,838 to HK$29,880, a HK$17,043 spread on the same certified stone. MOH London lists it at HK$29,880. 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: HK$29,880 HKD|Low: HK$12,838 HKD|High: HK$30,318 HKD|Avg: HK$18,084 HKD|-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 12HK$12,838 HKD
Retailer 2HK$13,480 HKD
Retailer 14HK$15,785 HKD
Retailer 4HK$16,396 HKD
Retailer 3HK$16,576 HKD
Retailer 7HK$16,592 HKD
Retailer 6HK$17,540 HKD
Retailer 5HK$17,767 HKD
Retailer 8HK$17,838 HKD
Retailer 13HK$18,191 HKD
Retailer 10HK$18,582 HKD
Retailer 11HK$20,871 HKD
Retailer 9HK$21,239 HKD
MOH LondonHK$29,880 HKD

12 data points across 14 retailers

14 retailersHK$12,838 HKD to HK$29,880 HKD

A
Cheapest Retailer
-
HK$12,838 HKD
A
Retailer 2
-
HK$13,480 HKD
View
A
Retailer 3
-
HK$15,785 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$16,396 HKD
View
A
Retailer 5
-
HK$16,576 HKD
View
A
Retailer 6
-
HK$16,592 HKD
View
B+
Retailer 7
-
HK$17,767 HKD
View
B+
Retailer 8
-
HK$17,838 HKD
View
B+
Retailer 9
-
HK$18,191 HKD
View
B+
Retailer 10
-
HK$18,582 HKD
View
Retailer 11
-
HK$20,244 HKD
View
Price last confirmed 52 days ago
B+
Retailer 12
-
HK$20,871 HKD
View
B+
Retailer 13
-
HK$21,239 HKD
View
Most Expensive
B
MOH London
D01739C8A · Nov 4
HK$29,880 HKD
£3,002 GBP
View
13 more retailers have this diamond
Prices start from HK$12,838 HKDSave up to HK$17,043 HKD

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
HK$12,838 HKD