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Round|Natural|GIA

1.20ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5543335043

Certificate GIA 5543335043

Diamond specifications and retailer prices

From HK$21,786 HKD
As of November 6, 2026
Save HK$27,913 HKD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$50,614 HKD at Queensmith · As of October 28, 2026
View at Queensmith

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 5543335043. Listed at 20 retailers as of November 5, 2026, with a 128% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5543335043
Dimensions6.82 × 6.78 × 4.23 mm
L/W Ratio1.01
Top View
6.82 mm6.78 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543335043
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

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$50,614 HKD|Low: HK$21,786 HKD|High: HK$50,813 HKD|Avg: HK$33,178 HKD|+2.6%
Queensmith
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 4HK$21,786 HKD
Retailer 2HK$22,531 HKD
Retailer 11HK$25,356 HKD
Retailer 15HK$25,826 HKD
Retailer 8HK$27,293 HKD
Retailer 3HK$28,525 HKD
Retailer 7HK$28,525 HKD
Retailer 12HK$29,341 HKD
Retailer 14HK$29,623 HKD
Retailer 9HK$30,228 HKD
Retailer 5HK$32,918 HKD
Retailer 10HK$33,209 HKD
Retailer 13HK$47,581 HKD
Retailer 6HK$49,699 HKD
QueensmithHK$50,614 HKD

25 data points across 15 retailers

20 retailersHK$21,786 HKD to HK$49,699 HKD

A
Cheapest Retailer
-
HK$21,786 HKD
A
Retailer 2
-
HK$22,531 HKD
View
A
Retailer 3
-
HK$25,356 HKD
View
A
Retailer 4
-
HK$25,826 HKD
View
A
Retailer 5
-
HK$26,328 HKD
View
Final sale: no returns
A
Retailer 6
-
HK$26,689 HKD
View
A
Retailer 7
-
HK$27,293 HKD
View
Retailer 8
-
HK$28,525 HKD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
HK$28,525 HKD
View
A
Retailer 10
-
HK$29,341 HKD
View
B+
Retailer 11
-
HK$29,623 HKD
View
B+
Retailer 12
-
HK$29,663 HKD
View
B+
Retailer 13
-
HK$30,228 HKD
View
B+
Retailer 14
-
HK$30,557 HKD
View
B+
Retailer 15
-
HK$32,918 HKD
View
B+
Retailer 16
-
HK$33,209 HKD
View
B
Retailer 17
-
HK$47,581 HKD
View
B
Retailer 18
-
HK$49,699 HKD
View
Retailer 19
-
HK$49,699 HKD
View
Price last confirmed 20 days ago
Most Expensive
Queensmith
5543335043 · Oct 28
HK$50,614 HKD
£5,080 GBP
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from HK$21,786 HKDSave up to HK$27,913 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$21,786 HKD