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Round|Natural|GIA

1.20ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2557507607

Certificate GIA 2557507607

Diamond specifications and retailer prices

From HK$21,284 HKD
As of November 6, 2026
Save HK$27,976 HKD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$49,260 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557507607. Listed at 15 retailers as of November 5, 2026, with prices from HK$21,284 to HK$49,260, a HK$27,976 spread on the same certified stone. NZ Jewellers lists it at HK$49,260. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557507607
Dimensions6.81 × 6.77 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.81 mm6.77 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557507607
Side View
Table 60.0%Crown 35.5°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$49,260 HKD|Low: HK$21,088 HKD|High: HK$50,656 HKD|Avg: HK$30,651 HKD|-2.8%
NZ Jewellers
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
Retailer 15
November 6, 2026
Retailer 15HK$21,284 HKD
Retailer 10HK$22,312 HKD
Retailer 11HK$22,476 HKD
Retailer 5HK$23,638 HKD
Retailer 6HK$23,912 HKD
Retailer 13HK$24,634 HKD
Retailer 14HK$24,869 HKD
Retailer 4HK$25,779 HKD
Retailer 8HK$26,650 HKD
Retailer 2HK$27,058 HKD
Retailer 7HK$33,515 HKD
Retailer 3HK$38,598 HKD
Retailer 12HK$42,717 HKD
Retailer 9HK$47,150 HKD
NZ JewellersHK$49,260 HKD

27 data points across 15 retailers

15 retailersHK$21,284 HKD to HK$49,260 HKD

A
Cheapest Retailer
-
HK$21,284 HKD
A
Retailer 2
-
HK$22,312 HKD
View
A
Retailer 3
-
HK$22,476 HKD
View
A
Retailer 4
-
HK$23,638 HKD
View
Final sale: no returns
A
Retailer 5
-
HK$23,912 HKD
View
A
Retailer 6
-
HK$24,634 HKD
View
A
Retailer 7
-
HK$24,869 HKD
View
A
Retailer 8
-
HK$25,779 HKD
View
A
Retailer 9
-
HK$26,650 HKD
View
A
Retailer 10
-
HK$27,058 HKD
View
B+
Retailer 11
-
HK$28,494 HKD
View
B+
Retailer 12
-
HK$38,598 HKD
View
B+
Retailer 13
-
HK$42,717 HKD
View
B
Retailer 14
-
HK$47,150 HKD
View
Most Expensive
B
NZ Jewellers
b5e2a5a0-232f-4fbd-9b97-2bc3c786694f · Nov 5
HK$49,260 HKD
$6,279 USD
View
14 more retailers have this diamond
Prices start from HK$21,284 HKDSave up to HK$27,976 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$21,284 HKD