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Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1242104470

Certificate GIA 1242104470

Diamond specifications and retailer prices

From HK$24,876 HKD
As of November 6, 2026
Save HK$29,291 HKD (54%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$54,167 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1242104470. Listed at 7 retailers as of November 1, 2026, with prices from HK$24,876 to HK$54,167, a HK$29,291 spread on the same certified stone. MOH London lists it at HK$54,167. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1242104470
Dimensions6.71 × 6.76 × 4.21 mm
L/W Ratio1.01
Key to symbols
Crystal, Pinpoint
Top View
6.71 mm6.76 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1242104470
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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$54,167 HKD|Low: HK$24,876 HKD|High: HK$54,167 HKD|Avg: HK$33,615 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5HK$24,876 HKD
Retailer 4HK$28,552 HKD
Retailer 7HK$30,009 HKD
Retailer 3HK$31,381 HKD
Retailer 2HK$32,212 HKD
Retailer 6HK$37,424 HKD
MOH LondonHK$54,167 HKD

8 data points across 7 retailers

7 retailersHK$24,876 HKD to HK$54,167 HKD

A
Cheapest Retailer
-
HK$24,876 HKD
A
Retailer 2
-
HK$28,552 HKD
View
B+
Retailer 3
-
HK$30,009 HKD
View
B+
Retailer 4
-
HK$31,381 HKD
View
B+
Retailer 5
-
HK$32,212 HKD
View
B+
Retailer 6
-
HK$37,424 HKD
View
Most Expensive
B
MOH London
49913240E · Nov 1
HK$54,167 HKD
£5,442 GBP
View
6 more retailers have this diamond
Prices start from HK$24,876 HKDSave up to HK$29,291 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 Round
HK$24,876 HKD