Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 3555551384

Certificate GIA 3555551384

Diamond specifications and retailer prices

From HK$19,562 HKD
As of November 6, 2026
Save HK$27,078 HKD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$46,640 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 3555551384. Listed at 9 retailers as of November 5, 2026, with prices from HK$19,562 to HK$46,640, a HK$27,078 spread on the same certified stone. NZ Jewellers lists it at HK$46,640. 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 angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 3555551384
Dimensions6.68 × 6.73 × 4.26 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
6.68 mm6.73 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3555551384
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 63.5%

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$46,640 HKD|Low: HK$19,562 HKD|High: HK$49,642 HKD|Avg: HK$31,666 HKD|-6.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3HK$19,562 HKD
Retailer 6HK$23,222 HKD
Retailer 9HK$23,881 HKD
Retailer 8HK$26,773 HKD
Retailer 4HK$27,141 HKD
Retailer 2HK$27,439 HKD
Retailer 7HK$31,209 HKD
Retailer 5HK$44,650 HKD
NZ JewellersHK$46,640 HKD

41 data points across 9 retailers

9 retailersHK$19,562 HKD to HK$46,640 HKD

A
Cheapest Retailer
-
HK$19,562 HKD
A
Retailer 2
-
HK$23,222 HKD
View
A
Retailer 3
-
HK$23,881 HKD
View
A
Retailer 4
-
HK$26,773 HKD
View
A
Retailer 5
-
HK$27,141 HKD
View
A
Retailer 6
-
HK$27,439 HKD
View
B+
Retailer 7
-
HK$31,209 HKD
View
B+
Retailer 8
-
HK$44,650 HKD
View
Most Expensive
B
NZ Jewellers
b7335a54-dc7a-46d8-b154-9af7e0d6ced2 · Nov 5
HK$46,640 HKD
$5,951 USD
View
8 more retailers have this diamond
Prices start from HK$19,562 HKDSave up to HK$27,078 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$19,562 HKD